diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_power.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_power.c | 4465 |
1 files changed, 357 insertions, 4108 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index 6a5695008f7c..1d9bd5808849 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -9,26 +9,27 @@ #include "i915_irq.h" #include "intel_cdclk.h" #include "intel_combo_phy.h" -#include "intel_combo_phy_regs.h" -#include "intel_crt.h" #include "intel_de.h" #include "intel_display_power.h" +#include "intel_display_power_map.h" #include "intel_display_power_well.h" #include "intel_display_types.h" #include "intel_dmc.h" -#include "intel_dpio_phy.h" -#include "intel_dpll.h" -#include "intel_hotplug.h" #include "intel_mchbar_regs.h" #include "intel_pch_refclk.h" #include "intel_pcode.h" #include "intel_pm.h" -#include "intel_pps.h" #include "intel_snps_phy.h" -#include "intel_tc.h" -#include "intel_vga.h" #include "vlv_sideband.h" +#define for_each_power_domain_well(__dev_priv, __power_well, __domain) \ + for_each_power_well(__dev_priv, __power_well) \ + for_each_if(test_bit((__domain), (__power_well)->domains.bits)) + +#define for_each_power_domain_well_reverse(__dev_priv, __power_well, __domain) \ + for_each_power_well_reverse(__dev_priv, __power_well) \ + for_each_if(test_bit((__domain), (__power_well)->domains.bits)) + const char * intel_display_power_domain_str(enum intel_display_power_domain domain) { @@ -43,14 +44,14 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) return "PIPE_C"; case POWER_DOMAIN_PIPE_D: return "PIPE_D"; - case POWER_DOMAIN_PIPE_A_PANEL_FITTER: - return "PIPE_A_PANEL_FITTER"; - case POWER_DOMAIN_PIPE_B_PANEL_FITTER: - return "PIPE_B_PANEL_FITTER"; - case POWER_DOMAIN_PIPE_C_PANEL_FITTER: - return "PIPE_C_PANEL_FITTER"; - case POWER_DOMAIN_PIPE_D_PANEL_FITTER: - return "PIPE_D_PANEL_FITTER"; + case POWER_DOMAIN_PIPE_PANEL_FITTER_A: + return "PIPE_PANEL_FITTER_A"; + case POWER_DOMAIN_PIPE_PANEL_FITTER_B: + return "PIPE_PANEL_FITTER_B"; + case POWER_DOMAIN_PIPE_PANEL_FITTER_C: + return "PIPE_PANEL_FITTER_C"; + case POWER_DOMAIN_PIPE_PANEL_FITTER_D: + return "PIPE_PANEL_FITTER_D"; case POWER_DOMAIN_TRANSCODER_A: return "TRANSCODER_A"; case POWER_DOMAIN_TRANSCODER_B: @@ -67,42 +68,54 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) return "TRANSCODER_DSI_C"; case POWER_DOMAIN_TRANSCODER_VDSC_PW2: return "TRANSCODER_VDSC_PW2"; - case POWER_DOMAIN_PORT_DDI_A_LANES: - return "PORT_DDI_A_LANES"; - case POWER_DOMAIN_PORT_DDI_B_LANES: - return "PORT_DDI_B_LANES"; - case POWER_DOMAIN_PORT_DDI_C_LANES: - return "PORT_DDI_C_LANES"; - case POWER_DOMAIN_PORT_DDI_D_LANES: - return "PORT_DDI_D_LANES"; - case POWER_DOMAIN_PORT_DDI_E_LANES: - return "PORT_DDI_E_LANES"; - case POWER_DOMAIN_PORT_DDI_F_LANES: - return "PORT_DDI_F_LANES"; - case POWER_DOMAIN_PORT_DDI_G_LANES: - return "PORT_DDI_G_LANES"; - case POWER_DOMAIN_PORT_DDI_H_LANES: - return "PORT_DDI_H_LANES"; - case POWER_DOMAIN_PORT_DDI_I_LANES: - return "PORT_DDI_I_LANES"; - case POWER_DOMAIN_PORT_DDI_A_IO: - return "PORT_DDI_A_IO"; - case POWER_DOMAIN_PORT_DDI_B_IO: - return "PORT_DDI_B_IO"; - case POWER_DOMAIN_PORT_DDI_C_IO: - return "PORT_DDI_C_IO"; - case POWER_DOMAIN_PORT_DDI_D_IO: - return "PORT_DDI_D_IO"; - case POWER_DOMAIN_PORT_DDI_E_IO: - return "PORT_DDI_E_IO"; - case POWER_DOMAIN_PORT_DDI_F_IO: - return "PORT_DDI_F_IO"; - case POWER_DOMAIN_PORT_DDI_G_IO: - return "PORT_DDI_G_IO"; - case POWER_DOMAIN_PORT_DDI_H_IO: - return "PORT_DDI_H_IO"; - case POWER_DOMAIN_PORT_DDI_I_IO: - return "PORT_DDI_I_IO"; + case POWER_DOMAIN_PORT_DDI_LANES_A: + return "PORT_DDI_LANES_A"; + case POWER_DOMAIN_PORT_DDI_LANES_B: + return "PORT_DDI_LANES_B"; + case POWER_DOMAIN_PORT_DDI_LANES_C: + return "PORT_DDI_LANES_C"; + case POWER_DOMAIN_PORT_DDI_LANES_D: + return "PORT_DDI_LANES_D"; + case POWER_DOMAIN_PORT_DDI_LANES_E: + return "PORT_DDI_LANES_E"; + case POWER_DOMAIN_PORT_DDI_LANES_F: + return "PORT_DDI_LANES_F"; + case POWER_DOMAIN_PORT_DDI_LANES_TC1: + return "PORT_DDI_LANES_TC1"; + case POWER_DOMAIN_PORT_DDI_LANES_TC2: + return "PORT_DDI_LANES_TC2"; + case POWER_DOMAIN_PORT_DDI_LANES_TC3: + return "PORT_DDI_LANES_TC3"; + case POWER_DOMAIN_PORT_DDI_LANES_TC4: + return "PORT_DDI_LANES_TC4"; + case POWER_DOMAIN_PORT_DDI_LANES_TC5: + return "PORT_DDI_LANES_TC5"; + case POWER_DOMAIN_PORT_DDI_LANES_TC6: + return "PORT_DDI_LANES_TC6"; + case POWER_DOMAIN_PORT_DDI_IO_A: + return "PORT_DDI_IO_A"; + case POWER_DOMAIN_PORT_DDI_IO_B: + return "PORT_DDI_IO_B"; + case POWER_DOMAIN_PORT_DDI_IO_C: + return "PORT_DDI_IO_C"; + case POWER_DOMAIN_PORT_DDI_IO_D: + return "PORT_DDI_IO_D"; + case POWER_DOMAIN_PORT_DDI_IO_E: + return "PORT_DDI_IO_E"; + case POWER_DOMAIN_PORT_DDI_IO_F: + return "PORT_DDI_IO_F"; + case POWER_DOMAIN_PORT_DDI_IO_TC1: + return "PORT_DDI_IO_TC1"; + case POWER_DOMAIN_PORT_DDI_IO_TC2: + return "PORT_DDI_IO_TC2"; + case POWER_DOMAIN_PORT_DDI_IO_TC3: + return "PORT_DDI_IO_TC3"; + case POWER_DOMAIN_PORT_DDI_IO_TC4: + return "PORT_DDI_IO_TC4"; + case POWER_DOMAIN_PORT_DDI_IO_TC5: + return "PORT_DDI_IO_TC5"; + case POWER_DOMAIN_PORT_DDI_IO_TC6: + return "PORT_DDI_IO_TC6"; case POWER_DOMAIN_PORT_DSI: return "PORT_DSI"; case POWER_DOMAIN_PORT_CRT: @@ -127,28 +140,32 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) return "AUX_E"; case POWER_DOMAIN_AUX_F: return "AUX_F"; - case POWER_DOMAIN_AUX_G: - return "AUX_G"; - case POWER_DOMAIN_AUX_H: - return "AUX_H"; - case POWER_DOMAIN_AUX_I: - return "AUX_I"; + case POWER_DOMAIN_AUX_USBC1: + return "AUX_USBC1"; + case POWER_DOMAIN_AUX_USBC2: + return "AUX_USBC2"; + case POWER_DOMAIN_AUX_USBC3: + return "AUX_USBC3"; + case POWER_DOMAIN_AUX_USBC4: + return "AUX_USBC4"; + case POWER_DOMAIN_AUX_USBC5: + return "AUX_USBC5"; + case POWER_DOMAIN_AUX_USBC6: + return "AUX_USBC6"; case POWER_DOMAIN_AUX_IO_A: return "AUX_IO_A"; - case POWER_DOMAIN_AUX_C_TBT: - return "AUX_C_TBT"; - case POWER_DOMAIN_AUX_D_TBT: - return "AUX_D_TBT"; - case POWER_DOMAIN_AUX_E_TBT: - return "AUX_E_TBT"; - case POWER_DOMAIN_AUX_F_TBT: - return "AUX_F_TBT"; - case POWER_DOMAIN_AUX_G_TBT: - return "AUX_G_TBT"; - case POWER_DOMAIN_AUX_H_TBT: - return "AUX_H_TBT"; - case POWER_DOMAIN_AUX_I_TBT: - return "AUX_I_TBT"; + case POWER_DOMAIN_AUX_TBT1: + return "AUX_TBT1"; + case POWER_DOMAIN_AUX_TBT2: + return "AUX_TBT2"; + case POWER_DOMAIN_AUX_TBT3: + return "AUX_TBT3"; + case POWER_DOMAIN_AUX_TBT4: + return "AUX_TBT4"; + case POWER_DOMAIN_AUX_TBT5: + return "AUX_TBT5"; + case POWER_DOMAIN_AUX_TBT6: + return "AUX_TBT6"; case POWER_DOMAIN_GMBUS: return "GMBUS"; case POWER_DOMAIN_INIT: @@ -190,7 +207,7 @@ bool __intel_display_power_is_enabled(struct drm_i915_private *dev_priv, is_enabled = true; - for_each_power_domain_well_reverse(dev_priv, power_well, BIT_ULL(domain)) { + for_each_power_domain_well_reverse(dev_priv, power_well, domain) { if (intel_power_well_is_always_on(power_well)) continue; @@ -235,604 +252,6 @@ bool intel_display_power_is_enabled(struct drm_i915_private *dev_priv, return ret; } -/* - * Starting with Haswell, we have a "Power Down Well" that can be turned off - * when not needed anymore. We have 4 registers that can request the power well - * to be enabled, and it will only be disabled if none of the registers is - * requesting it to be enabled. - */ -static void hsw_power_well_post_enable(struct drm_i915_private *dev_priv, - u8 irq_pipe_mask, bool has_vga) -{ - if (has_vga) - intel_vga_reset_io_mem(dev_priv); - - if (irq_pipe_mask) - gen8_irq_power_well_post_enable(dev_priv, irq_pipe_mask); -} - -static void hsw_power_well_pre_disable(struct drm_i915_private *dev_priv, - u8 irq_pipe_mask) -{ - if (irq_pipe_mask) - gen8_irq_power_well_pre_disable(dev_priv, irq_pipe_mask); -} - -#define ICL_AUX_PW_TO_CH(pw_idx) \ - ((pw_idx) - ICL_PW_CTL_IDX_AUX_A + AUX_CH_A) - -#define ICL_TBT_AUX_PW_TO_CH(pw_idx) \ - ((pw_idx) - ICL_PW_CTL_IDX_AUX_TBT1 + AUX_CH_C) - -static enum aux_ch icl_aux_pw_to_ch(const struct i915_power_well *power_well) -{ - int pw_idx = power_well->desc->hsw.idx; - - return power_well->desc->hsw.is_tc_tbt ? ICL_TBT_AUX_PW_TO_CH(pw_idx) : - ICL_AUX_PW_TO_CH(pw_idx); -} - -static struct intel_digital_port * -aux_ch_to_digital_port(struct drm_i915_private *dev_priv, - enum aux_ch aux_ch) -{ - struct intel_digital_port *dig_port = NULL; - struct intel_encoder *encoder; - - for_each_intel_encoder(&dev_priv->drm, encoder) { - /* We'll check the MST primary port */ - if (encoder->type == INTEL_OUTPUT_DP_MST) - continue; - - dig_port = enc_to_dig_port(encoder); - if (!dig_port) - continue; - - if (dig_port->aux_ch != aux_ch) { - dig_port = NULL; - continue; - } - - break; - } - - return dig_port; -} - -static enum phy icl_aux_pw_to_phy(struct drm_i915_private *i915, - const struct i915_power_well *power_well) -{ - enum aux_ch aux_ch = icl_aux_pw_to_ch(power_well); - struct intel_digital_port *dig_port = aux_ch_to_digital_port(i915, aux_ch); - - return intel_port_to_phy(i915, dig_port->base.port); -} - -static void hsw_wait_for_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well, - bool timeout_expected) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - int enable_delay = power_well->desc->hsw.fixed_enable_delay; - - /* - * For some power wells we're not supposed to watch the status bit for - * an ack, but rather just wait a fixed amount of time and then - * proceed. This is only used on DG2. - */ - if (IS_DG2(dev_priv) && enable_delay) { - usleep_range(enable_delay, 2 * enable_delay); - return; - } - - /* Timeout for PW1:10 us, AUX:not specified, other PWs:20 us. */ - if (intel_de_wait_for_set(dev_priv, regs->driver, - HSW_PWR_WELL_CTL_STATE(pw_idx), 1)) { - drm_dbg_kms(&dev_priv->drm, "%s power well enable timeout\n", - intel_power_well_name(power_well)); - - drm_WARN_ON(&dev_priv->drm, !timeout_expected); - - } -} - -static u32 hsw_power_well_requesters(struct drm_i915_private *dev_priv, - const struct i915_power_well_regs *regs, - int pw_idx) -{ - u32 req_mask = HSW_PWR_WELL_CTL_REQ(pw_idx); - u32 ret; - - ret = intel_de_read(dev_priv, regs->bios) & req_mask ? 1 : 0; - ret |= intel_de_read(dev_priv, regs->driver) & req_mask ? 2 : 0; - if (regs->kvmr.reg) - ret |= intel_de_read(dev_priv, regs->kvmr) & req_mask ? 4 : 0; - ret |= intel_de_read(dev_priv, regs->debug) & req_mask ? 8 : 0; - - return ret; -} - -static void hsw_wait_for_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - bool disabled; - u32 reqs; - - /* - * Bspec doesn't require waiting for PWs to get disabled, but still do - * this for paranoia. The known cases where a PW will be forced on: - * - a KVMR request on any power well via the KVMR request register - * - a DMC request on PW1 and MISC_IO power wells via the BIOS and - * DEBUG request registers - * Skip the wait in case any of the request bits are set and print a - * diagnostic message. - */ - wait_for((disabled = !(intel_de_read(dev_priv, regs->driver) & - HSW_PWR_WELL_CTL_STATE(pw_idx))) || - (reqs = hsw_power_well_requesters(dev_priv, regs, pw_idx)), 1); - if (disabled) - return; - - drm_dbg_kms(&dev_priv->drm, - "%s forced on (bios:%d driver:%d kvmr:%d debug:%d)\n", - intel_power_well_name(power_well), - !!(reqs & 1), !!(reqs & 2), !!(reqs & 4), !!(reqs & 8)); -} - -static void gen9_wait_for_power_well_fuses(struct drm_i915_private *dev_priv, - enum skl_power_gate pg) -{ - /* Timeout 5us for PG#0, for other PGs 1us */ - drm_WARN_ON(&dev_priv->drm, - intel_de_wait_for_set(dev_priv, SKL_FUSE_STATUS, - SKL_FUSE_PG_DIST_STATUS(pg), 1)); -} - -static void hsw_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - u32 val; - - if (power_well->desc->hsw.has_fuses) { - enum skl_power_gate pg; - - pg = DISPLAY_VER(dev_priv) >= 11 ? ICL_PW_CTL_IDX_TO_PG(pw_idx) : - SKL_PW_CTL_IDX_TO_PG(pw_idx); - - /* Wa_16013190616:adlp */ - if (IS_ALDERLAKE_P(dev_priv) && pg == SKL_PG1) - intel_de_rmw(dev_priv, GEN8_CHICKEN_DCPR_1, 0, DISABLE_FLR_SRC); - - /* - * For PW1 we have to wait both for the PW0/PG0 fuse state - * before enabling the power well and PW1/PG1's own fuse - * state after the enabling. For all other power wells with - * fuses we only have to wait for that PW/PG's fuse state - * after the enabling. - */ - if (pg == SKL_PG1) - gen9_wait_for_power_well_fuses(dev_priv, SKL_PG0); - } - - val = intel_de_read(dev_priv, regs->driver); - intel_de_write(dev_priv, regs->driver, - val | HSW_PWR_WELL_CTL_REQ(pw_idx)); - - hsw_wait_for_power_well_enable(dev_priv, power_well, false); - - if (power_well->desc->hsw.has_fuses) { - enum skl_power_gate pg; - - pg = DISPLAY_VER(dev_priv) >= 11 ? ICL_PW_CTL_IDX_TO_PG(pw_idx) : - SKL_PW_CTL_IDX_TO_PG(pw_idx); - gen9_wait_for_power_well_fuses(dev_priv, pg); - } - - hsw_power_well_post_enable(dev_priv, - power_well->desc->hsw.irq_pipe_mask, - power_well->desc->hsw.has_vga); -} - -static void hsw_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - u32 val; - - hsw_power_well_pre_disable(dev_priv, - power_well->desc->hsw.irq_pipe_mask); - - val = intel_de_read(dev_priv, regs->driver); - intel_de_write(dev_priv, regs->driver, - val & ~HSW_PWR_WELL_CTL_REQ(pw_idx)); - hsw_wait_for_power_well_disable(dev_priv, power_well); -} - -static void -icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well); - u32 val; - - drm_WARN_ON(&dev_priv->drm, !IS_ICELAKE(dev_priv)); - - val = intel_de_read(dev_priv, regs->driver); - intel_de_write(dev_priv, regs->driver, - val | HSW_PWR_WELL_CTL_REQ(pw_idx)); - - if (DISPLAY_VER(dev_priv) < 12) { - val = intel_de_read(dev_priv, ICL_PORT_CL_DW12(phy)); - intel_de_write(dev_priv, ICL_PORT_CL_DW12(phy), - val | ICL_LANE_ENABLE_AUX); - } - - hsw_wait_for_power_well_enable(dev_priv, power_well, false); - - /* Display WA #1178: icl */ - if (pw_idx >= ICL_PW_CTL_IDX_AUX_A && pw_idx <= ICL_PW_CTL_IDX_AUX_B && - !intel_bios_is_port_edp(dev_priv, (enum port)phy)) { - val = intel_de_read(dev_priv, ICL_AUX_ANAOVRD1(pw_idx)); - val |= ICL_AUX_ANAOVRD1_ENABLE | ICL_AUX_ANAOVRD1_LDO_BYPASS; - intel_de_write(dev_priv, ICL_AUX_ANAOVRD1(pw_idx), val); - } -} - -static void -icl_combo_phy_aux_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well); - u32 val; - - drm_WARN_ON(&dev_priv->drm, !IS_ICELAKE(dev_priv)); - - val = intel_de_read(dev_priv, ICL_PORT_CL_DW12(phy)); - intel_de_write(dev_priv, ICL_PORT_CL_DW12(phy), - val & ~ICL_LANE_ENABLE_AUX); - - val = intel_de_read(dev_priv, regs->driver); - intel_de_write(dev_priv, regs->driver, - val & ~HSW_PWR_WELL_CTL_REQ(pw_idx)); - - hsw_wait_for_power_well_disable(dev_priv, power_well); -} - -#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) - -static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well, - struct intel_digital_port *dig_port) -{ - if (drm_WARN_ON(&dev_priv->drm, !dig_port)) - return; - - if (DISPLAY_VER(dev_priv) == 11 && intel_tc_cold_requires_aux_pw(dig_port)) - return; - - drm_WARN_ON(&dev_priv->drm, !intel_tc_port_ref_held(dig_port)); -} - -#else - -static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well, - struct intel_digital_port *dig_port) -{ -} - -#endif - -#define TGL_AUX_PW_TO_TC_PORT(pw_idx) ((pw_idx) - TGL_PW_CTL_IDX_AUX_TC1) - -static void icl_tc_cold_exit(struct drm_i915_private *i915) -{ - int ret, tries = 0; - - while (1) { - ret = snb_pcode_write_timeout(i915, ICL_PCODE_EXIT_TCCOLD, 0, - 250, 1); - if (ret != -EAGAIN || ++tries == 3) - break; - msleep(1); - } - - /* Spec states that TC cold exit can take up to 1ms to complete */ - if (!ret) - msleep(1); - - /* TODO: turn failure into a error as soon i915 CI updates ICL IFWI */ - drm_dbg_kms(&i915->drm, "TC cold block %s\n", ret ? "failed" : - "succeeded"); -} - -static void -icl_tc_phy_aux_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum aux_ch aux_ch = icl_aux_pw_to_ch(power_well); - struct intel_digital_port *dig_port = aux_ch_to_digital_port(dev_priv, aux_ch); - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - bool is_tbt = power_well->desc->hsw.is_tc_tbt; - bool timeout_expected; - u32 val; - - icl_tc_port_assert_ref_held(dev_priv, power_well, dig_port); - - val = intel_de_read(dev_priv, DP_AUX_CH_CTL(aux_ch)); - val &= ~DP_AUX_CH_CTL_TBT_IO; - if (is_tbt) - val |= DP_AUX_CH_CTL_TBT_IO; - intel_de_write(dev_priv, DP_AUX_CH_CTL(aux_ch), val); - - val = intel_de_read(dev_priv, regs->driver); - intel_de_write(dev_priv, regs->driver, - val | HSW_PWR_WELL_CTL_REQ(power_well->desc->hsw.idx)); - - /* - * An AUX timeout is expected if the TBT DP tunnel is down, - * or need to enable AUX on a legacy TypeC port as part of the TC-cold - * exit sequence. - */ - timeout_expected = is_tbt || intel_tc_cold_requires_aux_pw(dig_port); - if (DISPLAY_VER(dev_priv) == 11 && intel_tc_cold_requires_aux_pw(dig_port)) - icl_tc_cold_exit(dev_priv); - - hsw_wait_for_power_well_enable(dev_priv, power_well, timeout_expected); - - if (DISPLAY_VER(dev_priv) >= 12 && !is_tbt) { - enum tc_port tc_port; - - tc_port = TGL_AUX_PW_TO_TC_PORT(power_well->desc->hsw.idx); - intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), - HIP_INDEX_VAL(tc_port, 0x2)); - - if (intel_de_wait_for_set(dev_priv, DKL_CMN_UC_DW_27(tc_port), - DKL_CMN_UC_DW27_UC_HEALTH, 1)) - drm_warn(&dev_priv->drm, - "Timeout waiting TC uC health\n"); - } -} - -static void -icl_aux_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well); - - if (intel_phy_is_tc(dev_priv, phy)) - return icl_tc_phy_aux_power_well_enable(dev_priv, power_well); - else if (IS_ICELAKE(dev_priv)) - return icl_combo_phy_aux_power_well_enable(dev_priv, - power_well); - else - return hsw_power_well_enable(dev_priv, power_well); -} - -static void -icl_aux_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well); - - if (intel_phy_is_tc(dev_priv, phy)) - return hsw_power_well_disable(dev_priv, power_well); - else if (IS_ICELAKE(dev_priv)) - return icl_combo_phy_aux_power_well_disable(dev_priv, - power_well); - else - return hsw_power_well_disable(dev_priv, power_well); -} - -/* - * We should only use the power well if we explicitly asked the hardware to - * enable it, so check if it's enabled and also check if we've requested it to - * be enabled. - */ -static bool hsw_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - enum i915_power_well_id id = power_well->desc->id; - int pw_idx = power_well->desc->hsw.idx; - u32 mask = HSW_PWR_WELL_CTL_REQ(pw_idx) | - HSW_PWR_WELL_CTL_STATE(pw_idx); - u32 val; - - val = intel_de_read(dev_priv, regs->driver); - - /* - * On GEN9 big core due to a DMC bug the driver's request bits for PW1 - * and the MISC_IO PW will be not restored, so check instead for the - * BIOS's own request bits, which are forced-on for these power wells - * when exiting DC5/6. - */ - if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv) && - (id == SKL_DISP_PW_1 || id == SKL_DISP_PW_MISC_IO)) - val |= intel_de_read(dev_priv, regs->bios); - - return (val & mask) == mask; -} - -static void assert_can_enable_dc9(struct drm_i915_private *dev_priv) -{ - drm_WARN_ONCE(&dev_priv->drm, - (intel_de_read(dev_priv, DC_STATE_EN) & DC_STATE_EN_DC9), - "DC9 already programmed to be enabled.\n"); - drm_WARN_ONCE(&dev_priv->drm, - intel_de_read(dev_priv, DC_STATE_EN) & - DC_STATE_EN_UPTO_DC5, - "DC5 still not disabled to enable DC9.\n"); - drm_WARN_ONCE(&dev_priv->drm, - intel_de_read(dev_priv, HSW_PWR_WELL_CTL2) & - HSW_PWR_WELL_CTL_REQ(SKL_PW_CTL_IDX_PW_2), - "Power well 2 on.\n"); - drm_WARN_ONCE(&dev_priv->drm, intel_irqs_enabled(dev_priv), - "Interrupts not disabled yet.\n"); - - /* - * TODO: check for the following to verify the conditions to enter DC9 - * state are satisfied: - * 1] Check relevant display engine registers to verify if mode set - * disable sequence was followed. - * 2] Check if display uninitialize sequence is initialized. - */ -} - -static void assert_can_disable_dc9(struct drm_i915_private *dev_priv) -{ - drm_WARN_ONCE(&dev_priv->drm, intel_irqs_enabled(dev_priv), - "Interrupts not disabled yet.\n"); - drm_WARN_ONCE(&dev_priv->drm, - intel_de_read(dev_priv, DC_STATE_EN) & - DC_STATE_EN_UPTO_DC5, - "DC5 still not disabled.\n"); - - /* - * TODO: check for the following to verify DC9 state was indeed - * entered before programming to disable it: - * 1] Check relevant display engine registers to verify if mode - * set disable sequence was followed. - * 2] Check if display uninitialize sequence is initialized. - */ -} - -static void gen9_write_dc_state(struct drm_i915_private *dev_priv, - u32 state) -{ - int rewrites = 0; - int rereads = 0; - u32 v; - - intel_de_write(dev_priv, DC_STATE_EN, state); - - /* It has been observed that disabling the dc6 state sometimes - * doesn't stick and dmc keeps returning old value. Make sure - * the write really sticks enough times and also force rewrite until - * we are confident that state is exactly what we want. - */ - do { - v = intel_de_read(dev_priv, DC_STATE_EN); - - if (v != state) { - intel_de_write(dev_priv, DC_STATE_EN, state); - rewrites++; - rereads = 0; - } else if (rereads++ > 5) { - break; - } - - } while (rewrites < 100); - - if (v != state) - drm_err(&dev_priv->drm, - "Writing dc state to 0x%x failed, now 0x%x\n", - state, v); - - /* Most of the times we need one retry, avoid spam */ - if (rewrites > 1) - drm_dbg_kms(&dev_priv->drm, - "Rewrote dc state to 0x%x %d times\n", - state, rewrites); -} - -static u32 gen9_dc_mask(struct drm_i915_private *dev_priv) -{ - u32 mask; - - mask = DC_STATE_EN_UPTO_DC5; - - if (DISPLAY_VER(dev_priv) >= 12) - mask |= DC_STATE_EN_DC3CO | DC_STATE_EN_UPTO_DC6 - | DC_STATE_EN_DC9; - else if (DISPLAY_VER(dev_priv) == 11) - mask |= DC_STATE_EN_UPTO_DC6 | DC_STATE_EN_DC9; - else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) - mask |= DC_STATE_EN_DC9; - else - mask |= DC_STATE_EN_UPTO_DC6; - - return mask; -} - -static void gen9_sanitize_dc_state(struct drm_i915_private *dev_priv) -{ - u32 val; - - if (!HAS_DISPLAY(dev_priv)) - return; - - val = intel_de_read(dev_priv, DC_STATE_EN) & gen9_dc_mask(dev_priv); - - drm_dbg_kms(&dev_priv->drm, - "Resetting DC state tracking from %02x to %02x\n", - dev_priv->dmc.dc_state, val); - dev_priv->dmc.dc_state = val; -} - -/** - * gen9_set_dc_state - set target display C power state - * @dev_priv: i915 device instance - * @state: target DC power state - * - DC_STATE_DISABLE - * - DC_STATE_EN_UPTO_DC5 - * - DC_STATE_EN_UPTO_DC6 - * - DC_STATE_EN_DC9 - * - * Signal to DMC firmware/HW the target DC power state passed in @state. - * DMC/HW can turn off individual display clocks and power rails when entering - * a deeper DC power state (higher in number) and turns these back when exiting - * that state to a shallower power state (lower in number). The HW will decide - * when to actually enter a given state on an on-demand basis, for instance - * depending on the active state of display pipes. The state of display - * registers backed by affected power rails are saved/restored as needed. - * - * Based on the above enabling a deeper DC power state is asynchronous wrt. - * enabling it. Disabling a deeper power state is synchronous: for instance - * setting %DC_STATE_DISABLE won't complete until all HW resources are turned - * back on and register state is restored. This is guaranteed by the MMIO write - * to DC_STATE_EN blocking until the state is restored. - */ -static void gen9_set_dc_state(struct drm_i915_private *dev_priv, u32 state) -{ - u32 val; - u32 mask; - - if (!HAS_DISPLAY(dev_priv)) - return; - - if (drm_WARN_ON_ONCE(&dev_priv->drm, - state & ~dev_priv->dmc.allowed_dc_mask)) - state &= dev_priv->dmc.allowed_dc_mask; - - val = intel_de_read(dev_priv, DC_STATE_EN); - mask = gen9_dc_mask(dev_priv); - drm_dbg_kms(&dev_priv->drm, "Setting DC state from %02x to %02x\n", - val & mask, state); - - /* Check if DMC is ignoring our DC state requests */ - if ((val & mask) != dev_priv->dmc.dc_state) - drm_err(&dev_priv->drm, "DC state mismatch (0x%x -> 0x%x)\n", - dev_priv->dmc.dc_state, val & mask); - - val &= ~mask; - val |= state; - - gen9_write_dc_state(dev_priv, val); - - dev_priv->dmc.dc_state = val & mask; -} - static u32 sanitize_target_dc_state(struct drm_i915_private *dev_priv, u32 target_dc_state) @@ -858,53 +277,6 @@ sanitize_target_dc_state(struct drm_i915_private *dev_priv, return target_dc_state; } -static void tgl_enable_dc3co(struct drm_i915_private *dev_priv) -{ - drm_dbg_kms(&dev_priv->drm, "Enabling DC3CO\n"); - gen9_set_dc_state(dev_priv, DC_STATE_EN_DC3CO); -} - -static void tgl_disable_dc3co(struct drm_i915_private *dev_priv) -{ - u32 val; - - drm_dbg_kms(&dev_priv->drm, "Disabling DC3CO\n"); - val = intel_de_read(dev_priv, DC_STATE_EN); - val &= ~DC_STATE_DC3CO_STATUS; - intel_de_write(dev_priv, DC_STATE_EN, val); - gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); - /* - * Delay of 200us DC3CO Exit time B.Spec 49196 - */ - usleep_range(200, 210); -} - -static void bxt_enable_dc9(struct drm_i915_private *dev_priv) -{ - assert_can_enable_dc9(dev_priv); - - drm_dbg_kms(&dev_priv->drm, "Enabling DC9\n"); - /* - * Power sequencer reset is not needed on - * platforms with South Display Engine on PCH, - * because PPS registers are always on. - */ - if (!HAS_PCH_SPLIT(dev_priv)) - intel_pps_reset_all(dev_priv); - gen9_set_dc_state(dev_priv, DC_STATE_EN_DC9); -} - -static void bxt_disable_dc9(struct drm_i915_private *dev_priv) -{ - assert_can_disable_dc9(dev_priv); - - drm_dbg_kms(&dev_priv->drm, "Disabling DC9\n"); - - gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); - - intel_pps_unlock_regs_wa(dev_priv); -} - /** * intel_display_power_set_target_dc_state - Set target dc state. * @dev_priv: i915 device @@ -949,916 +321,15 @@ unlock: mutex_unlock(&power_domains->lock); } -static void assert_can_enable_dc5(struct drm_i915_private *dev_priv) -{ - enum i915_power_well_id high_pg; - - /* Power wells at this level and above must be disabled for DC5 entry */ - if (DISPLAY_VER(dev_priv) == 12) - high_pg = ICL_DISP_PW_3; - else - high_pg = SKL_DISP_PW_2; - - drm_WARN_ONCE(&dev_priv->drm, - intel_display_power_well_is_enabled(dev_priv, high_pg), - "Power wells above platform's DC5 limit still enabled.\n"); - - drm_WARN_ONCE(&dev_priv->drm, - (intel_de_read(dev_priv, DC_STATE_EN) & - DC_STATE_EN_UPTO_DC5), - "DC5 already programmed to be enabled.\n"); - assert_rpm_wakelock_held(&dev_priv->runtime_pm); - - assert_dmc_loaded(dev_priv); -} - -static void gen9_enable_dc5(struct drm_i915_private *dev_priv) -{ - assert_can_enable_dc5(dev_priv); - - drm_dbg_kms(&dev_priv->drm, "Enabling DC5\n"); - - /* Wa Display #1183: skl,kbl,cfl */ - if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv)) - intel_de_write(dev_priv, GEN8_CHICKEN_DCPR_1, - intel_de_read(dev_priv, GEN8_CHICKEN_DCPR_1) | SKL_SELECT_ALTERNATE_DC_EXIT); - - gen9_set_dc_state(dev_priv, DC_STATE_EN_UPTO_DC5); -} - -static void assert_can_enable_dc6(struct drm_i915_private *dev_priv) -{ - drm_WARN_ONCE(&dev_priv->drm, - intel_de_read(dev_priv, UTIL_PIN_CTL) & UTIL_PIN_ENABLE, - "Backlight is not disabled.\n"); - drm_WARN_ONCE(&dev_priv->drm, - (intel_de_read(dev_priv, DC_STATE_EN) & - DC_STATE_EN_UPTO_DC6), - "DC6 already programmed to be enabled.\n"); - - assert_dmc_loaded(dev_priv); -} - -static void skl_enable_dc6(struct drm_i915_private *dev_priv) -{ - assert_can_enable_dc6(dev_priv); - - drm_dbg_kms(&dev_priv->drm, "Enabling DC6\n"); - - /* Wa Display #1183: skl,kbl,cfl */ - if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv)) - intel_de_write(dev_priv, GEN8_CHICKEN_DCPR_1, - intel_de_read(dev_priv, GEN8_CHICKEN_DCPR_1) | SKL_SELECT_ALTERNATE_DC_EXIT); - - gen9_set_dc_state(dev_priv, DC_STATE_EN_UPTO_DC6); -} - -static void hsw_power_well_sync_hw(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - const struct i915_power_well_regs *regs = power_well->desc->ops->regs; - int pw_idx = power_well->desc->hsw.idx; - u32 mask = HSW_PWR_WELL_CTL_REQ(pw_idx); - u32 bios_req = intel_de_read(dev_priv, regs->bios); - - /* Take over the request bit if set by BIOS. */ - if (bios_req & mask) { - u32 drv_req = intel_de_read(dev_priv, regs->driver); - - if (!(drv_req & mask)) - intel_de_write(dev_priv, regs->driver, drv_req | mask); - intel_de_write(dev_priv, regs->bios, bios_req & ~mask); - } -} - -static void bxt_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - bxt_ddi_phy_init(dev_priv, power_well->desc->bxt.phy); -} - -static void bxt_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - bxt_ddi_phy_uninit(dev_priv, power_well->desc->bxt.phy); -} - -static bool bxt_dpio_cmn_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - return bxt_ddi_phy_is_enabled(dev_priv, power_well->desc->bxt.phy); -} - -static void bxt_verify_ddi_phy_power_wells(struct drm_i915_private *dev_priv) -{ - struct i915_power_well *power_well; - - power_well = lookup_power_well(dev_priv, BXT_DISP_PW_DPIO_CMN_A); - if (intel_power_well_refcount(power_well) > 0) - bxt_ddi_phy_verify_state(dev_priv, power_well->desc->bxt.phy); - - power_well = lookup_power_well(dev_priv, VLV_DISP_PW_DPIO_CMN_BC); - if (intel_power_well_refcount(power_well) > 0) - bxt_ddi_phy_verify_state(dev_priv, power_well->desc->bxt.phy); - - if (IS_GEMINILAKE(dev_priv)) { - power_well = lookup_power_well(dev_priv, - GLK_DISP_PW_DPIO_CMN_C); - if (intel_power_well_refcount(power_well) > 0) - bxt_ddi_phy_verify_state(dev_priv, - power_well->desc->bxt.phy); - } -} - -static bool gen9_dc_off_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - return ((intel_de_read(dev_priv, DC_STATE_EN) & DC_STATE_EN_DC3CO) == 0 && - (intel_de_read(dev_priv, DC_STATE_EN) & DC_STATE_EN_UPTO_DC5_DC6_MASK) == 0); -} - -static void gen9_assert_dbuf_enabled(struct drm_i915_private *dev_priv) -{ - u8 hw_enabled_dbuf_slices = intel_enabled_dbuf_slices_mask(dev_priv); - u8 enabled_dbuf_slices = dev_priv->dbuf.enabled_slices; - - drm_WARN(&dev_priv->drm, - hw_enabled_dbuf_slices != enabled_dbuf_slices, - "Unexpected DBuf power power state (0x%08x, expected 0x%08x)\n", - hw_enabled_dbuf_slices, - enabled_dbuf_slices); -} - -static void gen9_disable_dc_states(struct drm_i915_private *dev_priv) -{ - struct intel_cdclk_config cdclk_config = {}; - - if (dev_priv->dmc.target_dc_state == DC_STATE_EN_DC3CO) { - tgl_disable_dc3co(dev_priv); - return; - } - - gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); - - if (!HAS_DISPLAY(dev_priv)) - return; - - intel_cdclk_get_cdclk(dev_priv, &cdclk_config); - /* Can't read out voltage_level so can't use intel_cdclk_changed() */ - drm_WARN_ON(&dev_priv->drm, - intel_cdclk_needs_modeset(&dev_priv->cdclk.hw, - &cdclk_config)); - - gen9_assert_dbuf_enabled(dev_priv); - - if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) - bxt_verify_ddi_phy_power_wells(dev_priv); - - if (DISPLAY_VER(dev_priv) >= 11) - /* - * DMC retains HW context only for port A, the other combo - * PHY's HW context for port B is lost after DC transitions, - * so we need to restore it manually. - */ - intel_combo_phy_init(dev_priv); -} - -static void gen9_dc_off_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - gen9_disable_dc_states(dev_priv); -} - -static void gen9_dc_off_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - if (!intel_dmc_has_payload(dev_priv)) - return; - - switch (dev_priv->dmc.target_dc_state) { - case DC_STATE_EN_DC3CO: - tgl_enable_dc3co(dev_priv); - break; - case DC_STATE_EN_UPTO_DC6: - skl_enable_dc6(dev_priv); - break; - case DC_STATE_EN_UPTO_DC5: - gen9_enable_dc5(dev_priv); - break; - } -} - -static void i9xx_power_well_sync_hw_noop(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ -} - -static void i9xx_always_on_power_well_noop(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ -} - -static bool i9xx_always_on_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - return true; -} - -static void i830_pipes_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - if ((intel_de_read(dev_priv, PIPECONF(PIPE_A)) & PIPECONF_ENABLE) == 0) - i830_enable_pipe(dev_priv, PIPE_A); - if ((intel_de_read(dev_priv, PIPECONF(PIPE_B)) & PIPECONF_ENABLE) == 0) - i830_enable_pipe(dev_priv, PIPE_B); -} - -static void i830_pipes_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - i830_disable_pipe(dev_priv, PIPE_B); - i830_disable_pipe(dev_priv, PIPE_A); -} - -static bool i830_pipes_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - return intel_de_read(dev_priv, PIPECONF(PIPE_A)) & PIPECONF_ENABLE && - intel_de_read(dev_priv, PIPECONF(PIPE_B)) & PIPECONF_ENABLE; -} - -static void i830_pipes_power_well_sync_hw(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - if (intel_power_well_refcount(power_well) > 0) - i830_pipes_power_well_enable(dev_priv, power_well); - else - i830_pipes_power_well_disable(dev_priv, power_well); -} - -static void vlv_set_power_well(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well, bool enable) -{ - int pw_idx = power_well->desc->vlv.idx; - u32 mask; - u32 state; - u32 ctrl; - - mask = PUNIT_PWRGT_MASK(pw_idx); - state = enable ? PUNIT_PWRGT_PWR_ON(pw_idx) : - PUNIT_PWRGT_PWR_GATE(pw_idx); - - vlv_punit_get(dev_priv); - -#define COND \ - ((vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_STATUS) & mask) == state) - - if (COND) - goto out; - - ctrl = vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_CTRL); - ctrl &= ~mask; - ctrl |= state; - vlv_punit_write(dev_priv, PUNIT_REG_PWRGT_CTRL, ctrl); - - if (wait_for(COND, 100)) - drm_err(&dev_priv->drm, - "timeout setting power well state %08x (%08x)\n", - state, - vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_CTRL)); - -#undef COND - -out: - vlv_punit_put(dev_priv); -} - -static void vlv_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - vlv_set_power_well(dev_priv, power_well, true); -} - -static void vlv_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - vlv_set_power_well(dev_priv, power_well, false); -} - -static bool vlv_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - int pw_idx = power_well->desc->vlv.idx; - bool enabled = false; - u32 mask; - u32 state; - u32 ctrl; - - mask = PUNIT_PWRGT_MASK(pw_idx); - ctrl = PUNIT_PWRGT_PWR_ON(pw_idx); - - vlv_punit_get(dev_priv); - - state = vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_STATUS) & mask; - /* - * We only ever set the power-on and power-gate states, anything - * else is unexpected. - */ - drm_WARN_ON(&dev_priv->drm, state != PUNIT_PWRGT_PWR_ON(pw_idx) && - state != PUNIT_PWRGT_PWR_GATE(pw_idx)); - if (state == ctrl) - enabled = true; - - /* - * A transient state at this point would mean some unexpected party - * is poking at the power controls too. - */ - ctrl = vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_CTRL) & mask; - drm_WARN_ON(&dev_priv->drm, ctrl != state); - - vlv_punit_put(dev_priv); - - return enabled; -} - -static void vlv_init_display_clock_gating(struct drm_i915_private *dev_priv) -{ - u32 val; - - /* - * On driver load, a pipe may be active and driving a DSI display. - * Preserve DPOUNIT_CLOCK_GATE_DISABLE to avoid the pipe getting stuck - * (and never recovering) in this case. intel_dsi_post_disable() will - * clear it when we turn off the display. - */ - val = intel_de_read(dev_priv, DSPCLK_GATE_D); - val &= DPOUNIT_CLOCK_GATE_DISABLE; - val |= VRHUNIT_CLOCK_GATE_DISABLE; - intel_de_write(dev_priv, DSPCLK_GATE_D, val); - - /* - * Disable trickle feed and enable pnd deadline calculation - */ - intel_de_write(dev_priv, MI_ARB_VLV, - MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE); - intel_de_write(dev_priv, CBR1_VLV, 0); - - drm_WARN_ON(&dev_priv->drm, RUNTIME_INFO(dev_priv)->rawclk_freq == 0); - intel_de_write(dev_priv, RAWCLK_FREQ_VLV, - DIV_ROUND_CLOSEST(RUNTIME_INFO(dev_priv)->rawclk_freq, - 1000)); -} - -static void vlv_display_power_well_init(struct drm_i915_private *dev_priv) -{ - struct intel_encoder *encoder; - enum pipe pipe; - - /* - * Enable the CRI clock source so we can get at the - * display and the reference clock for VGA - * hotplug / manual detection. Supposedly DSI also - * needs the ref clock up and running. - * - * CHV DPLL B/C have some issues if VGA mode is enabled. - */ - for_each_pipe(dev_priv, pipe) { - u32 val = intel_de_read(dev_priv, DPLL(pipe)); - - val |= DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS; - if (pipe != PIPE_A) - val |= DPLL_INTEGRATED_CRI_CLK_VLV; - - intel_de_write(dev_priv, DPLL(pipe), val); - } - - vlv_init_display_clock_gating(dev_priv); - - spin_lock_irq(&dev_priv->irq_lock); - valleyview_enable_display_irqs(dev_priv); - spin_unlock_irq(&dev_priv->irq_lock); - - /* - * During driver initialization/resume we can avoid restoring the - * part of the HW/SW state that will be inited anyway explicitly. - */ - if (dev_priv->power_domains.initializing) - return; - - intel_hpd_init(dev_priv); - intel_hpd_poll_disable(dev_priv); - - /* Re-enable the ADPA, if we have one */ - for_each_intel_encoder(&dev_priv->drm, encoder) { - if (encoder->type == INTEL_OUTPUT_ANALOG) - intel_crt_reset(&encoder->base); - } - - intel_vga_redisable_power_on(dev_priv); - - intel_pps_unlock_regs_wa(dev_priv); -} - -static void vlv_display_power_well_deinit(struct drm_i915_private *dev_priv) -{ - spin_lock_irq(&dev_priv->irq_lock); - valleyview_disable_display_irqs(dev_priv); - spin_unlock_irq(&dev_priv->irq_lock); - - /* make sure we're done processing display irqs */ - intel_synchronize_irq(dev_priv); - - intel_pps_reset_all(dev_priv); - - /* Prevent us from re-enabling polling on accident in late suspend */ - if (!dev_priv->drm.dev->power.is_suspended) - intel_hpd_poll_enable(dev_priv); -} - -static void vlv_display_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - vlv_set_power_well(dev_priv, power_well, true); - - vlv_display_power_well_init(dev_priv); -} - -static void vlv_display_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - vlv_display_power_well_deinit(dev_priv); - - vlv_set_power_well(dev_priv, power_well, false); -} - -static void vlv_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - /* since ref/cri clock was enabled */ - udelay(1); /* >10ns for cmnreset, >0ns for sidereset */ - - vlv_set_power_well(dev_priv, power_well, true); - - /* - * From VLV2A0_DP_eDP_DPIO_driver_vbios_notes_10.docx - - * 6. De-assert cmn_reset/side_reset. Same as VLV X0. - * a. GUnit 0x2110 bit[0] set to 1 (def 0) - * b. The other bits such as sfr settings / modesel may all - * be set to 0. - * - * This should only be done on init and resume from S3 with - * both PLLs disabled, or we risk losing DPIO and PLL - * synchronization. - */ - intel_de_write(dev_priv, DPIO_CTL, - intel_de_read(dev_priv, DPIO_CTL) | DPIO_CMNRST); -} - -static void vlv_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum pipe pipe; - - for_each_pipe(dev_priv, pipe) - assert_pll_disabled(dev_priv, pipe); - - /* Assert common reset */ - intel_de_write(dev_priv, DPIO_CTL, - intel_de_read(dev_priv, DPIO_CTL) & ~DPIO_CMNRST); - - vlv_set_power_well(dev_priv, power_well, false); -} - #define POWER_DOMAIN_MASK (GENMASK_ULL(POWER_DOMAIN_NUM - 1, 0)) -#define BITS_SET(val, bits) (((val) & (bits)) == (bits)) - -static void assert_chv_phy_status(struct drm_i915_private *dev_priv) -{ - struct i915_power_well *cmn_bc = - lookup_power_well(dev_priv, VLV_DISP_PW_DPIO_CMN_BC); - struct i915_power_well *cmn_d = - lookup_power_well(dev_priv, CHV_DISP_PW_DPIO_CMN_D); - u32 phy_control = dev_priv->chv_phy_control; - u32 phy_status = 0; - u32 phy_status_mask = 0xffffffff; - - /* - * The BIOS can leave the PHY is some weird state - * where it doesn't fully power down some parts. - * Disable the asserts until the PHY has been fully - * reset (ie. the power well has been disabled at - * least once). - */ - if (!dev_priv->chv_phy_assert[DPIO_PHY0]) - phy_status_mask &= ~(PHY_STATUS_CMN_LDO(DPIO_PHY0, DPIO_CH0) | - PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH0, 0) | - PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH0, 1) | - PHY_STATUS_CMN_LDO(DPIO_PHY0, DPIO_CH1) | - PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH1, 0) | - PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH1, 1)); - - if (!dev_priv->chv_phy_assert[DPIO_PHY1]) - phy_status_mask &= ~(PHY_STATUS_CMN_LDO(DPIO_PHY1, DPIO_CH0) | - PHY_STATUS_SPLINE_LDO(DPIO_PHY1, DPIO_CH0, 0) | - PHY_STATUS_SPLINE_LDO(DPIO_PHY1, DPIO_CH0, 1)); - - if (intel_power_well_is_enabled(dev_priv, cmn_bc)) { - phy_status |= PHY_POWERGOOD(DPIO_PHY0); - - /* this assumes override is only used to enable lanes */ - if ((phy_control & PHY_CH_POWER_DOWN_OVRD_EN(DPIO_PHY0, DPIO_CH0)) == 0) - phy_control |= PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH0); - - if ((phy_control & PHY_CH_POWER_DOWN_OVRD_EN(DPIO_PHY0, DPIO_CH1)) == 0) - phy_control |= PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH1); - - /* CL1 is on whenever anything is on in either channel */ - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH0) | - PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH1))) - phy_status |= PHY_STATUS_CMN_LDO(DPIO_PHY0, DPIO_CH0); - - /* - * The DPLLB check accounts for the pipe B + port A usage - * with CL2 powered up but all the lanes in the second channel - * powered down. - */ - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY0, DPIO_CH1)) && - (intel_de_read(dev_priv, DPLL(PIPE_B)) & DPLL_VCO_ENABLE) == 0) - phy_status |= PHY_STATUS_CMN_LDO(DPIO_PHY0, DPIO_CH1); - - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0x3, DPIO_PHY0, DPIO_CH0))) - phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH0, 0); - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0xc, DPIO_PHY0, DPIO_CH0))) - phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH0, 1); - - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0x3, DPIO_PHY0, DPIO_CH1))) - phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH1, 0); - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0xc, DPIO_PHY0, DPIO_CH1))) - phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY0, DPIO_CH1, 1); - } - - if (intel_power_well_is_enabled(dev_priv, cmn_d)) { - phy_status |= PHY_POWERGOOD(DPIO_PHY1); - - /* this assumes override is only used to enable lanes */ - if ((phy_control & PHY_CH_POWER_DOWN_OVRD_EN(DPIO_PHY1, DPIO_CH0)) == 0) - phy_control |= PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY1, DPIO_CH0); - - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0xf, DPIO_PHY1, DPIO_CH0))) - phy_status |= PHY_STATUS_CMN_LDO(DPIO_PHY1, DPIO_CH0); - - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0x3, DPIO_PHY1, DPIO_CH0))) - phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY1, DPIO_CH0, 0); - if (BITS_SET(phy_control, - PHY_CH_POWER_DOWN_OVRD(0xc, DPIO_PHY1, DPIO_CH0))) - phy_status |= PHY_STATUS_SPLINE_LDO(DPIO_PHY1, DPIO_CH0, 1); - } - - phy_status &= phy_status_mask; - - /* - * The PHY may be busy with some initial calibration and whatnot, - * so the power state can take a while to actually change. - */ - if (intel_de_wait_for_register(dev_priv, DISPLAY_PHY_STATUS, - phy_status_mask, phy_status, 10)) - drm_err(&dev_priv->drm, - "Unexpected PHY_STATUS 0x%08x, expected 0x%08x (PHY_CONTROL=0x%08x)\n", - intel_de_read(dev_priv, DISPLAY_PHY_STATUS) & phy_status_mask, - phy_status, dev_priv->chv_phy_control); -} - -#undef BITS_SET - -static void chv_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum dpio_phy phy; - enum pipe pipe; - u32 tmp; - - drm_WARN_ON_ONCE(&dev_priv->drm, - power_well->desc->id != VLV_DISP_PW_DPIO_CMN_BC && - power_well->desc->id != CHV_DISP_PW_DPIO_CMN_D); - - if (power_well->desc->id == VLV_DISP_PW_DPIO_CMN_BC) { - pipe = PIPE_A; - phy = DPIO_PHY0; - } else { - pipe = PIPE_C; - phy = DPIO_PHY1; - } - - /* since ref/cri clock was enabled */ - udelay(1); /* >10ns for cmnreset, >0ns for sidereset */ - vlv_set_power_well(dev_priv, power_well, true); - - /* Poll for phypwrgood signal */ - if (intel_de_wait_for_set(dev_priv, DISPLAY_PHY_STATUS, - PHY_POWERGOOD(phy), 1)) - drm_err(&dev_priv->drm, "Display PHY %d is not power up\n", - phy); - - vlv_dpio_get(dev_priv); - - /* Enable dynamic power down */ - tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW28); - tmp |= DPIO_DYNPWRDOWNEN_CH0 | DPIO_CL1POWERDOWNEN | - DPIO_SUS_CLK_CONFIG_GATE_CLKREQ; - vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW28, tmp); - - if (power_well->desc->id == VLV_DISP_PW_DPIO_CMN_BC) { - tmp = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW6_CH1); - tmp |= DPIO_DYNPWRDOWNEN_CH1; - vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW6_CH1, tmp); - } else { - /* - * Force the non-existing CL2 off. BXT does this - * too, so maybe it saves some power even though - * CL2 doesn't exist? - */ - tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW30); - tmp |= DPIO_CL2_LDOFUSE_PWRENB; - vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW30, tmp); - } - - vlv_dpio_put(dev_priv); - - dev_priv->chv_phy_control |= PHY_COM_LANE_RESET_DEASSERT(phy); - intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, - dev_priv->chv_phy_control); - - drm_dbg_kms(&dev_priv->drm, - "Enabled DPIO PHY%d (PHY_CONTROL=0x%08x)\n", - phy, dev_priv->chv_phy_control); - - assert_chv_phy_status(dev_priv); -} - -static void chv_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum dpio_phy phy; - - drm_WARN_ON_ONCE(&dev_priv->drm, - power_well->desc->id != VLV_DISP_PW_DPIO_CMN_BC && - power_well->desc->id != CHV_DISP_PW_DPIO_CMN_D); - - if (power_well->desc->id == VLV_DISP_PW_DPIO_CMN_BC) { - phy = DPIO_PHY0; - assert_pll_disabled(dev_priv, PIPE_A); - assert_pll_disabled(dev_priv, PIPE_B); - } else { - phy = DPIO_PHY1; - assert_pll_disabled(dev_priv, PIPE_C); - } - - dev_priv->chv_phy_control &= ~PHY_COM_LANE_RESET_DEASSERT(phy); - intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, - dev_priv->chv_phy_control); - - vlv_set_power_well(dev_priv, power_well, false); - - drm_dbg_kms(&dev_priv->drm, - "Disabled DPIO PHY%d (PHY_CONTROL=0x%08x)\n", - phy, dev_priv->chv_phy_control); - - /* PHY is fully reset now, so we can enable the PHY state asserts */ - dev_priv->chv_phy_assert[phy] = true; - - assert_chv_phy_status(dev_priv); -} - -static void assert_chv_phy_powergate(struct drm_i915_private *dev_priv, enum dpio_phy phy, - enum dpio_channel ch, bool override, unsigned int mask) -{ - enum pipe pipe = phy == DPIO_PHY0 ? PIPE_A : PIPE_C; - u32 reg, val, expected, actual; - - /* - * The BIOS can leave the PHY is some weird state - * where it doesn't fully power down some parts. - * Disable the asserts until the PHY has been fully - * reset (ie. the power well has been disabled at - * least once). - */ - if (!dev_priv->chv_phy_assert[phy]) - return; - - if (ch == DPIO_CH0) - reg = _CHV_CMN_DW0_CH0; - else - reg = _CHV_CMN_DW6_CH1; - - vlv_dpio_get(dev_priv); - val = vlv_dpio_read(dev_priv, pipe, reg); - vlv_dpio_put(dev_priv); - - /* - * This assumes !override is only used when the port is disabled. - * All lanes should power down even without the override when - * the port is disabled. - */ - if (!override || mask == 0xf) { - expected = DPIO_ALLDL_POWERDOWN | DPIO_ANYDL_POWERDOWN; - /* - * If CH1 common lane is not active anymore - * (eg. for pipe B DPLL) the entire channel will - * shut down, which causes the common lane registers - * to read as 0. That means we can't actually check - * the lane power down status bits, but as the entire - * register reads as 0 it's a good indication that the - * channel is indeed entirely powered down. - */ - if (ch == DPIO_CH1 && val == 0) - expected = 0; - } else if (mask != 0x0) { - expected = DPIO_ANYDL_POWERDOWN; - } else { - expected = 0; - } - - if (ch == DPIO_CH0) - actual = val >> DPIO_ANYDL_POWERDOWN_SHIFT_CH0; - else - actual = val >> DPIO_ANYDL_POWERDOWN_SHIFT_CH1; - actual &= DPIO_ALLDL_POWERDOWN | DPIO_ANYDL_POWERDOWN; - - drm_WARN(&dev_priv->drm, actual != expected, - "Unexpected DPIO lane power down: all %d, any %d. Expected: all %d, any %d. (0x%x = 0x%08x)\n", - !!(actual & DPIO_ALLDL_POWERDOWN), - !!(actual & DPIO_ANYDL_POWERDOWN), - !!(expected & DPIO_ALLDL_POWERDOWN), - !!(expected & DPIO_ANYDL_POWERDOWN), - reg, val); -} - -bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy, - enum dpio_channel ch, bool override) -{ - struct i915_power_domains *power_domains = &dev_priv->power_domains; - bool was_override; - - mutex_lock(&power_domains->lock); - - was_override = dev_priv->chv_phy_control & PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); - - if (override == was_override) - goto out; - - if (override) - dev_priv->chv_phy_control |= PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); - else - dev_priv->chv_phy_control &= ~PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); - - intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, - dev_priv->chv_phy_control); - - drm_dbg_kms(&dev_priv->drm, - "Power gating DPIO PHY%d CH%d (DPIO_PHY_CONTROL=0x%08x)\n", - phy, ch, dev_priv->chv_phy_control); - - assert_chv_phy_status(dev_priv); - -out: - mutex_unlock(&power_domains->lock); - - return was_override; -} - -void chv_phy_powergate_lanes(struct intel_encoder *encoder, - bool override, unsigned int mask) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct i915_power_domains *power_domains = &dev_priv->power_domains; - enum dpio_phy phy = vlv_dig_port_to_phy(enc_to_dig_port(encoder)); - enum dpio_channel ch = vlv_dig_port_to_channel(enc_to_dig_port(encoder)); - - mutex_lock(&power_domains->lock); - - dev_priv->chv_phy_control &= ~PHY_CH_POWER_DOWN_OVRD(0xf, phy, ch); - dev_priv->chv_phy_control |= PHY_CH_POWER_DOWN_OVRD(mask, phy, ch); - - if (override) - dev_priv->chv_phy_control |= PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); - else - dev_priv->chv_phy_control &= ~PHY_CH_POWER_DOWN_OVRD_EN(phy, ch); - - intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, - dev_priv->chv_phy_control); - - drm_dbg_kms(&dev_priv->drm, - "Power gating DPIO PHY%d CH%d lanes 0x%x (PHY_CONTROL=0x%08x)\n", - phy, ch, mask, dev_priv->chv_phy_control); - - assert_chv_phy_status(dev_priv); - - assert_chv_phy_powergate(dev_priv, phy, ch, override, mask); - - mutex_unlock(&power_domains->lock); -} - -static bool chv_pipe_power_well_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - enum pipe pipe = PIPE_A; - bool enabled; - u32 state, ctrl; - - vlv_punit_get(dev_priv); - - state = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM) & DP_SSS_MASK(pipe); - /* - * We only ever set the power-on and power-gate states, anything - * else is unexpected. - */ - drm_WARN_ON(&dev_priv->drm, state != DP_SSS_PWR_ON(pipe) && - state != DP_SSS_PWR_GATE(pipe)); - enabled = state == DP_SSS_PWR_ON(pipe); - - /* - * A transient state at this point would mean some unexpected party - * is poking at the power controls too. - */ - ctrl = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM) & DP_SSC_MASK(pipe); - drm_WARN_ON(&dev_priv->drm, ctrl << 16 != state); - - vlv_punit_put(dev_priv); - - return enabled; -} - -static void chv_set_pipe_power_well(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well, - bool enable) -{ - enum pipe pipe = PIPE_A; - u32 state; - u32 ctrl; - - state = enable ? DP_SSS_PWR_ON(pipe) : DP_SSS_PWR_GATE(pipe); - - vlv_punit_get(dev_priv); - -#define COND \ - ((vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM) & DP_SSS_MASK(pipe)) == state) - - if (COND) - goto out; - - ctrl = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM); - ctrl &= ~DP_SSC_MASK(pipe); - ctrl |= enable ? DP_SSC_PWR_ON(pipe) : DP_SSC_PWR_GATE(pipe); - vlv_punit_write(dev_priv, PUNIT_REG_DSPSSPM, ctrl); - - if (wait_for(COND, 100)) - drm_err(&dev_priv->drm, - "timeout setting power well state %08x (%08x)\n", - state, - vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM)); - -#undef COND - -out: - vlv_punit_put(dev_priv); -} - -static void chv_pipe_power_well_sync_hw(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - intel_de_write(dev_priv, DISPLAY_PHY_CONTROL, - dev_priv->chv_phy_control); -} - -static void chv_pipe_power_well_enable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - chv_set_pipe_power_well(dev_priv, power_well, true); - - vlv_display_power_well_init(dev_priv); -} - -static void chv_pipe_power_well_disable(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) +static void __async_put_domains_mask(struct i915_power_domains *power_domains, + struct intel_power_domain_mask *mask) { - vlv_display_power_well_deinit(dev_priv); - - chv_set_pipe_power_well(dev_priv, power_well, false); -} - -static u64 __async_put_domains_mask(struct i915_power_domains *power_domains) -{ - return power_domains->async_put_domains[0] | - power_domains->async_put_domains[1]; + bitmap_or(mask->bits, + power_domains->async_put_domains[0].bits, + power_domains->async_put_domains[1].bits, + POWER_DOMAIN_NUM); } #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) @@ -1869,8 +340,11 @@ assert_async_put_domain_masks_disjoint(struct i915_power_domains *power_domains) struct drm_i915_private *i915 = container_of(power_domains, struct drm_i915_private, power_domains); - return !drm_WARN_ON(&i915->drm, power_domains->async_put_domains[0] & - power_domains->async_put_domains[1]); + + return !drm_WARN_ON(&i915->drm, + bitmap_intersects(power_domains->async_put_domains[0].bits, + power_domains->async_put_domains[1].bits, + POWER_DOMAIN_NUM)); } static bool @@ -1879,14 +353,17 @@ __async_put_domains_state_ok(struct i915_power_domains *power_domains) struct drm_i915_private *i915 = container_of(power_domains, struct drm_i915_private, power_domains); + struct intel_power_domain_mask async_put_mask; enum intel_display_power_domain domain; bool err = false; err |= !assert_async_put_domain_masks_disjoint(power_domains); - err |= drm_WARN_ON(&i915->drm, !!power_domains->async_put_wakeref != - !!__async_put_domains_mask(power_domains)); + __async_put_domains_mask(power_domains, &async_put_mask); + err |= drm_WARN_ON(&i915->drm, + !!power_domains->async_put_wakeref != + !bitmap_empty(async_put_mask.bits, POWER_DOMAIN_NUM)); - for_each_power_domain(domain, __async_put_domains_mask(power_domains)) + for_each_power_domain(domain, &async_put_mask) err |= drm_WARN_ON(&i915->drm, power_domains->domain_use_count[domain] != 1); @@ -1894,14 +371,14 @@ __async_put_domains_state_ok(struct i915_power_domains *power_domains) } static void print_power_domains(struct i915_power_domains *power_domains, - const char *prefix, u64 mask) + const char *prefix, struct intel_power_domain_mask *mask) { struct drm_i915_private *i915 = container_of(power_domains, struct drm_i915_private, power_domains); enum intel_display_power_domain domain; - drm_dbg(&i915->drm, "%s (%lu):\n", prefix, hweight64(mask)); + drm_dbg(&i915->drm, "%s (%d):\n", prefix, bitmap_weight(mask->bits, POWER_DOMAIN_NUM)); for_each_power_domain(domain, mask) drm_dbg(&i915->drm, "%s use_count %d\n", intel_display_power_domain_str(domain), @@ -1919,9 +396,9 @@ print_async_put_domains_state(struct i915_power_domains *power_domains) power_domains->async_put_wakeref); print_power_domains(power_domains, "async_put_domains[0]", - power_domains->async_put_domains[0]); + &power_domains->async_put_domains[0]); print_power_domains(power_domains, "async_put_domains[1]", - power_domains->async_put_domains[1]); + &power_domains->async_put_domains[1]); } static void @@ -1945,11 +422,13 @@ verify_async_put_domains_state(struct i915_power_domains *power_domains) #endif /* CONFIG_DRM_I915_DEBUG_RUNTIME_PM */ -static u64 async_put_domains_mask(struct i915_power_domains *power_domains) +static void async_put_domains_mask(struct i915_power_domains *power_domains, + struct intel_power_domain_mask *mask) + { assert_async_put_domain_masks_disjoint(power_domains); - return __async_put_domains_mask(power_domains); + __async_put_domains_mask(power_domains, mask); } static void @@ -1958,8 +437,8 @@ async_put_domains_clear_domain(struct i915_power_domains *power_domains, { assert_async_put_domain_masks_disjoint(power_domains); - power_domains->async_put_domains[0] &= ~BIT_ULL(domain); - power_domains->async_put_domains[1] &= ~BIT_ULL(domain); + clear_bit(domain, power_domains->async_put_domains[0].bits); + clear_bit(domain, power_domains->async_put_domains[1].bits); } static bool @@ -1967,16 +446,19 @@ intel_display_power_grab_async_put_ref(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain) { struct i915_power_domains *power_domains = &dev_priv->power_domains; + struct intel_power_domain_mask async_put_mask; bool ret = false; - if (!(async_put_domains_mask(power_domains) & BIT_ULL(domain))) + async_put_domains_mask(power_domains, &async_put_mask); + if (!test_bit(domain, async_put_mask.bits)) goto out_verify; async_put_domains_clear_domain(power_domains, domain); ret = true; - if (async_put_domains_mask(power_domains)) + async_put_domains_mask(power_domains, &async_put_mask); + if (!bitmap_empty(async_put_mask.bits, POWER_DOMAIN_NUM)) goto out_verify; cancel_delayed_work(&power_domains->async_put_work); @@ -1998,7 +480,7 @@ __intel_display_power_get_domain(struct drm_i915_private *dev_priv, if (intel_display_power_grab_async_put_ref(dev_priv, domain)) return; - for_each_power_domain_well(dev_priv, power_well, BIT_ULL(domain)) + for_each_power_domain_well(dev_priv, power_well, domain) intel_power_well_get(dev_priv, power_well); power_domains->domain_use_count[domain]++; @@ -2079,20 +561,22 @@ __intel_display_power_put_domain(struct drm_i915_private *dev_priv, struct i915_power_domains *power_domains; struct i915_power_well *power_well; const char *name = intel_display_power_domain_str(domain); + struct intel_power_domain_mask async_put_mask; power_domains = &dev_priv->power_domains; drm_WARN(&dev_priv->drm, !power_domains->domain_use_count[domain], "Use count on domain %s is already zero\n", name); + async_put_domains_mask(power_domains, &async_put_mask); drm_WARN(&dev_priv->drm, - async_put_domains_mask(power_domains) & BIT_ULL(domain), + test_bit(domain, async_put_mask.bits), "Async disabling of domain %s is pending\n", name); power_domains->domain_use_count[domain]--; - for_each_power_domain_well_reverse(dev_priv, power_well, BIT_ULL(domain)) + for_each_power_domain_well_reverse(dev_priv, power_well, domain) intel_power_well_put(dev_priv, power_well); } @@ -2121,7 +605,8 @@ queue_async_put_domains_work(struct i915_power_domains *power_domains, } static void -release_async_put_domains(struct i915_power_domains *power_domains, u64 mask) +release_async_put_domains(struct i915_power_domains *power_domains, + struct intel_power_domain_mask *mask) { struct drm_i915_private *dev_priv = container_of(power_domains, struct drm_i915_private, @@ -2169,12 +654,15 @@ intel_display_power_put_async_work(struct work_struct *work) goto out_verify; release_async_put_domains(power_domains, - power_domains->async_put_domains[0]); + &power_domains->async_put_domains[0]); /* Requeue the work if more domains were async put meanwhile. */ - if (power_domains->async_put_domains[1]) { - power_domains->async_put_domains[0] = - fetch_and_zero(&power_domains->async_put_domains[1]); + if (!bitmap_empty(power_domains->async_put_domains[1].bits, POWER_DOMAIN_NUM)) { + bitmap_copy(power_domains->async_put_domains[0].bits, + power_domains->async_put_domains[1].bits, + POWER_DOMAIN_NUM); + bitmap_zero(power_domains->async_put_domains[1].bits, + POWER_DOMAIN_NUM); queue_async_put_domains_work(power_domains, fetch_and_zero(&new_work_wakeref)); } else { @@ -2226,9 +714,9 @@ void __intel_display_power_put_async(struct drm_i915_private *i915, /* Let a pending work requeue itself or queue a new one. */ if (power_domains->async_put_wakeref) { - power_domains->async_put_domains[1] |= BIT_ULL(domain); + set_bit(domain, power_domains->async_put_domains[1].bits); } else { - power_domains->async_put_domains[0] |= BIT_ULL(domain); + set_bit(domain, power_domains->async_put_domains[0].bits); queue_async_put_domains_work(power_domains, fetch_and_zero(&work_wakeref)); } @@ -2259,6 +747,7 @@ out_verify: void intel_display_power_flush_work(struct drm_i915_private *i915) { struct i915_power_domains *power_domains = &i915->power_domains; + struct intel_power_domain_mask async_put_mask; intel_wakeref_t work_wakeref; mutex_lock(&power_domains->lock); @@ -2267,8 +756,8 @@ void intel_display_power_flush_work(struct drm_i915_private *i915) if (!work_wakeref) goto out_verify; - release_async_put_domains(power_domains, - async_put_domains_mask(power_domains)); + async_put_domains_mask(power_domains, &async_put_mask); + release_async_put_domains(power_domains, &async_put_mask); cancel_delayed_work(&power_domains->async_put_work); out_verify: @@ -2347,13 +836,13 @@ intel_display_power_get_in_set(struct drm_i915_private *i915, { intel_wakeref_t __maybe_unused wf; - drm_WARN_ON(&i915->drm, power_domain_set->mask & BIT_ULL(domain)); + drm_WARN_ON(&i915->drm, test_bit(domain, power_domain_set->mask.bits)); wf = intel_display_power_get(i915, domain); #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) power_domain_set->wakerefs[domain] = wf; #endif - power_domain_set->mask |= BIT_ULL(domain); + set_bit(domain, power_domain_set->mask.bits); } bool @@ -2363,7 +852,7 @@ intel_display_power_get_in_set_if_enabled(struct drm_i915_private *i915, { intel_wakeref_t wf; - drm_WARN_ON(&i915->drm, power_domain_set->mask & BIT_ULL(domain)); + drm_WARN_ON(&i915->drm, test_bit(domain, power_domain_set->mask.bits)); wf = intel_display_power_get_if_enabled(i915, domain); if (!wf) @@ -2372,7 +861,7 @@ intel_display_power_get_in_set_if_enabled(struct drm_i915_private *i915, #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) power_domain_set->wakerefs[domain] = wf; #endif - power_domain_set->mask |= BIT_ULL(domain); + set_bit(domain, power_domain_set->mask.bits); return true; } @@ -2380,11 +869,12 @@ intel_display_power_get_in_set_if_enabled(struct drm_i915_private *i915, void intel_display_power_put_mask_in_set(struct drm_i915_private *i915, struct intel_display_power_domain_set *power_domain_set, - u64 mask) + struct intel_power_domain_mask *mask) { enum intel_display_power_domain domain; - drm_WARN_ON(&i915->drm, mask & ~power_domain_set->mask); + drm_WARN_ON(&i915->drm, + !bitmap_subset(mask->bits, power_domain_set->mask.bits, POWER_DOMAIN_NUM)); for_each_power_domain(domain, mask) { intel_wakeref_t __maybe_unused wf = -1; @@ -2393,2363 +883,10 @@ intel_display_power_put_mask_in_set(struct drm_i915_private *i915, wf = fetch_and_zero(&power_domain_set->wakerefs[domain]); #endif intel_display_power_put(i915, domain, wf); - power_domain_set->mask &= ~BIT_ULL(domain); + clear_bit(domain, power_domain_set->mask.bits); } } -#define I830_PIPES_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define VLV_DISPLAY_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_DISPLAY_CORE) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DSI) | \ - BIT_ULL(POWER_DOMAIN_PORT_CRT) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_GMBUS) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define VLV_DPIO_CMN_BC_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_CRT) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define VLV_DPIO_TX_B_LANES_01_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define VLV_DPIO_TX_B_LANES_23_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define VLV_DPIO_TX_C_LANES_01_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define VLV_DPIO_TX_C_LANES_23_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define CHV_DISPLAY_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_DISPLAY_CORE) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DSI) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_AUX_D) | \ - BIT_ULL(POWER_DOMAIN_GMBUS) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define CHV_DPIO_CMN_BC_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define CHV_DPIO_CMN_D_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_D) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define HSW_DISPLAY_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_CRT) | /* DDI E */ \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define BDW_DISPLAY_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_CRT) | /* DDI E */ \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define SKL_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_E_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_AUX_D) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define SKL_DISPLAY_DDI_IO_A_E_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_A_IO) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_E_IO) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define SKL_DISPLAY_DDI_IO_B_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_IO) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define SKL_DISPLAY_DDI_IO_C_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_IO) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define SKL_DISPLAY_DDI_IO_D_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_IO) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define SKL_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - SKL_DISPLAY_POWERWELL_2_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_GT_IRQ) | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define BXT_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define BXT_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - BXT_DISPLAY_POWERWELL_2_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_GT_IRQ) | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_GMBUS) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define BXT_DPIO_CMN_A_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_A_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define BXT_DPIO_CMN_BC_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define GLK_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DISPLAY_DDI_IO_A_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_A_IO)) -#define GLK_DISPLAY_DDI_IO_B_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_IO)) -#define GLK_DISPLAY_DDI_IO_C_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_IO)) -#define GLK_DPIO_CMN_A_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_A_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DPIO_CMN_B_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DPIO_CMN_C_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DISPLAY_AUX_A_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_IO_A) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DISPLAY_AUX_B_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DISPLAY_AUX_C_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) -#define GLK_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - GLK_DISPLAY_POWERWELL_2_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_GT_IRQ) | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_GMBUS) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -/* - * ICL PW_0/PG_0 domains (HW/DMC control): - * - PCI - * - clocks except port PLL - * - central power except FBC - * - shared functions except pipe interrupts, pipe MBUS, DBUF registers - * ICL PW_1/PG_1 domains (HW/DMC control): - * - DBUF function - * - PIPE_A and its planes, except VGA - * - transcoder EDP + PSR - * - transcoder DSI - * - DDI_A - * - FBC - */ -#define ICL_PW_4_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - /* VDSC/joining */ -#define ICL_PW_3_POWER_DOMAINS ( \ - ICL_PW_4_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_E_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_F_LANES) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_AUX_D) | \ - BIT_ULL(POWER_DOMAIN_AUX_E) | \ - BIT_ULL(POWER_DOMAIN_AUX_F) | \ - BIT_ULL(POWER_DOMAIN_AUX_C_TBT) | \ - BIT_ULL(POWER_DOMAIN_AUX_D_TBT) | \ - BIT_ULL(POWER_DOMAIN_AUX_E_TBT) | \ - BIT_ULL(POWER_DOMAIN_AUX_F_TBT) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - /* - * - transcoder WD - * - KVMR (HW control) - */ -#define ICL_PW_2_POWER_DOMAINS ( \ - ICL_PW_3_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_VDSC_PW2) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - /* - * - KVMR (HW control) - */ -#define ICL_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - ICL_PW_2_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_DC_OFF) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define ICL_DDI_IO_A_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_A_IO)) -#define ICL_DDI_IO_B_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_B_IO)) -#define ICL_DDI_IO_C_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_IO)) -#define ICL_DDI_IO_D_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_D_IO)) -#define ICL_DDI_IO_E_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_E_IO)) -#define ICL_DDI_IO_F_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_F_IO)) - -#define ICL_AUX_A_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_IO_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_A)) -#define ICL_AUX_B_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_B)) -#define ICL_AUX_C_TC1_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_C)) -#define ICL_AUX_D_TC2_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_D)) -#define ICL_AUX_E_TC3_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_E)) -#define ICL_AUX_F_TC4_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_F)) -#define ICL_AUX_C_TBT1_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_C_TBT)) -#define ICL_AUX_D_TBT2_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_D_TBT)) -#define ICL_AUX_E_TBT3_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_E_TBT)) -#define ICL_AUX_F_TBT4_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_F_TBT)) - -#define TGL_PW_5_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_D) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_D) | \ - BIT_ULL(POWER_DOMAIN_PIPE_D_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define TGL_PW_4_POWER_DOMAINS ( \ - TGL_PW_5_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define TGL_PW_3_POWER_DOMAINS ( \ - TGL_PW_4_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC1) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC2) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC3) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC4) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC5) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC6) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC1) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC2) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC3) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC4) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC5) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC6) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT1) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT2) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT3) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT4) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT5) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT6) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define TGL_PW_2_POWER_DOMAINS ( \ - TGL_PW_3_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_VDSC_PW2) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define TGL_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - TGL_PW_3_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define TGL_DDI_IO_TC1_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC1) -#define TGL_DDI_IO_TC2_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC2) -#define TGL_DDI_IO_TC3_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC3) -#define TGL_DDI_IO_TC4_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC4) -#define TGL_DDI_IO_TC5_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC5) -#define TGL_DDI_IO_TC6_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC6) - -#define TGL_AUX_A_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_IO_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_A)) -#define TGL_AUX_B_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_B)) -#define TGL_AUX_C_IO_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_C)) - -#define TGL_AUX_IO_USBC1_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC1) -#define TGL_AUX_IO_USBC2_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC2) -#define TGL_AUX_IO_USBC3_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC3) -#define TGL_AUX_IO_USBC4_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC4) -#define TGL_AUX_IO_USBC5_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC5) -#define TGL_AUX_IO_USBC6_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC6) - -#define TGL_AUX_IO_TBT1_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT1) -#define TGL_AUX_IO_TBT2_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT2) -#define TGL_AUX_IO_TBT3_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT3) -#define TGL_AUX_IO_TBT4_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT4) -#define TGL_AUX_IO_TBT5_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT5) -#define TGL_AUX_IO_TBT6_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT6) - -#define TGL_TC_COLD_OFF_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_AUX_USBC1) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC2) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC3) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC4) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC5) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC6) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT1) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT2) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT3) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT4) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT5) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT6) | \ - BIT_ULL(POWER_DOMAIN_TC_COLD_OFF)) - -#define RKL_PW_4_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define RKL_PW_3_POWER_DOMAINS ( \ - RKL_PW_4_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC1) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC2) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC1) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC2) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -/* - * There is no PW_2/PG_2 on RKL. - * - * RKL PW_1/PG_1 domains (under HW/DMC control): - * - DBUF function (note: registers are in PW0) - * - PIPE_A and its planes and VDSC/joining, except VGA - * - transcoder A - * - DDI_A and DDI_B - * - FBC - * - * RKL PW_0/PG_0 domains (under HW/DMC control): - * - PCI - * - clocks except port PLL - * - shared functions: - * * interrupts except pipe interrupts - * * MBus except PIPE_MBUS_DBOX_CTL - * * DBUF registers - * - central power except FBC - * - top-level GTC (DDI-level GTC is in the well associated with the DDI) - */ - -#define RKL_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - RKL_PW_3_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -/* - * DG1 onwards Audio MMIO/VERBS lies in PG0 power well. - */ -#define DG1_PW_3_POWER_DOMAINS ( \ - TGL_PW_4_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC1) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC2) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC1) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC2) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define DG1_PW_2_POWER_DOMAINS ( \ - DG1_PW_3_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_VDSC_PW2) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define DG1_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - DG1_PW_3_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -/* - * XE_LPD Power Domains - * - * Previous platforms required that PG(n-1) be enabled before PG(n). That - * dependency chain turns into a dependency tree on XE_LPD: - * - * PG0 - * | - * --PG1-- - * / \ - * PGA --PG2-- - * / | \ - * PGB PGC PGD - * - * Power wells must be enabled from top to bottom and disabled from bottom - * to top. This allows pipes to be power gated independently. - */ - -#define XELPD_PW_D_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_D) | \ - BIT_ULL(POWER_DOMAIN_PIPE_D_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_D) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define XELPD_PW_C_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_C) | \ - BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define XELPD_PW_B_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_B) | \ - BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define XELPD_PW_A_POWER_DOMAINS ( \ - BIT_ULL(POWER_DOMAIN_PIPE_A) | \ - BIT_ULL(POWER_DOMAIN_PIPE_A_PANEL_FITTER) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define XELPD_PW_2_POWER_DOMAINS ( \ - XELPD_PW_B_POWER_DOMAINS | \ - XELPD_PW_C_POWER_DOMAINS | \ - XELPD_PW_D_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) | \ - BIT_ULL(POWER_DOMAIN_VGA) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_D_XELPD) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_E_XELPD) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC1) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC2) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC3) | \ - BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC4) | \ - BIT_ULL(POWER_DOMAIN_AUX_C) | \ - BIT_ULL(POWER_DOMAIN_AUX_D_XELPD) | \ - BIT_ULL(POWER_DOMAIN_AUX_E_XELPD) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC1) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC2) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC3) | \ - BIT_ULL(POWER_DOMAIN_AUX_USBC4) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT1) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT2) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT3) | \ - BIT_ULL(POWER_DOMAIN_AUX_TBT4) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -/* - * XELPD PW_1/PG_1 domains (under HW/DMC control): - * - DBUF function (registers are in PW0) - * - Transcoder A - * - DDI_A and DDI_B - * - * XELPD PW_0/PW_1 domains (under HW/DMC control): - * - PCI - * - Clocks except port PLL - * - Shared functions: - * * interrupts except pipe interrupts - * * MBus except PIPE_MBUS_DBOX_CTL - * * DBUF registers - * - Central power except FBC - * - Top-level GTC (DDI-level GTC is in the well associated with the DDI) - */ - -#define XELPD_DISPLAY_DC_OFF_POWER_DOMAINS ( \ - XELPD_PW_2_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) | \ - BIT_ULL(POWER_DOMAIN_MODESET) | \ - BIT_ULL(POWER_DOMAIN_AUX_A) | \ - BIT_ULL(POWER_DOMAIN_AUX_B) | \ - BIT_ULL(POWER_DOMAIN_PORT_DSI) | \ - BIT_ULL(POWER_DOMAIN_INIT)) - -#define XELPD_AUX_IO_D_XELPD_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_D_XELPD) -#define XELPD_AUX_IO_E_XELPD_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_E_XELPD) -#define XELPD_AUX_IO_USBC1_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC1) -#define XELPD_AUX_IO_USBC2_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC2) -#define XELPD_AUX_IO_USBC3_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC3) -#define XELPD_AUX_IO_USBC4_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_USBC4) - -#define XELPD_AUX_IO_TBT1_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT1) -#define XELPD_AUX_IO_TBT2_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT2) -#define XELPD_AUX_IO_TBT3_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT3) -#define XELPD_AUX_IO_TBT4_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_AUX_TBT4) - -#define XELPD_DDI_IO_D_XELPD_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_D_XELPD) -#define XELPD_DDI_IO_E_XELPD_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_E_XELPD) -#define XELPD_DDI_IO_TC1_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC1) -#define XELPD_DDI_IO_TC2_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC2) -#define XELPD_DDI_IO_TC3_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC3) -#define XELPD_DDI_IO_TC4_POWER_DOMAINS BIT_ULL(POWER_DOMAIN_PORT_DDI_IO_TC4) - -static const struct i915_power_well_ops i9xx_always_on_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = i9xx_always_on_power_well_noop, - .disable = i9xx_always_on_power_well_noop, - .is_enabled = i9xx_always_on_power_well_enabled, -}; - -static const struct i915_power_well_ops chv_pipe_power_well_ops = { - .sync_hw = chv_pipe_power_well_sync_hw, - .enable = chv_pipe_power_well_enable, - .disable = chv_pipe_power_well_disable, - .is_enabled = chv_pipe_power_well_enabled, -}; - -static const struct i915_power_well_ops chv_dpio_cmn_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = chv_dpio_cmn_power_well_enable, - .disable = chv_dpio_cmn_power_well_disable, - .is_enabled = vlv_power_well_enabled, -}; - -static const struct i915_power_well_desc i9xx_always_on_power_well[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, -}; - -static const struct i915_power_well_ops i830_pipes_power_well_ops = { - .sync_hw = i830_pipes_power_well_sync_hw, - .enable = i830_pipes_power_well_enable, - .disable = i830_pipes_power_well_disable, - .is_enabled = i830_pipes_power_well_enabled, -}; - -static const struct i915_power_well_desc i830_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "pipes", - .domains = I830_PIPES_POWER_DOMAINS, - .ops = &i830_pipes_power_well_ops, - .id = DISP_PW_ID_NONE, - }, -}; - -static const struct i915_power_well_regs hsw_power_well_regs = { - .bios = HSW_PWR_WELL_CTL1, - .driver = HSW_PWR_WELL_CTL2, - .kvmr = HSW_PWR_WELL_CTL3, - .debug = HSW_PWR_WELL_CTL4, -}; - -static const struct i915_power_well_ops hsw_power_well_ops = { - .regs = &hsw_power_well_regs, - .sync_hw = hsw_power_well_sync_hw, - .enable = hsw_power_well_enable, - .disable = hsw_power_well_disable, - .is_enabled = hsw_power_well_enabled, -}; - -static const struct i915_power_well_ops gen9_dc_off_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = gen9_dc_off_power_well_enable, - .disable = gen9_dc_off_power_well_disable, - .is_enabled = gen9_dc_off_power_well_enabled, -}; - -static const struct i915_power_well_ops bxt_dpio_cmn_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = bxt_dpio_cmn_power_well_enable, - .disable = bxt_dpio_cmn_power_well_disable, - .is_enabled = bxt_dpio_cmn_power_well_enabled, -}; - -static const struct i915_power_well_desc hsw_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "display", - .domains = HSW_DISPLAY_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = HSW_DISP_PW_GLOBAL, - { - .hsw.idx = HSW_PW_CTL_IDX_GLOBAL, - .hsw.has_vga = true, - }, - }, -}; - -static const struct i915_power_well_desc bdw_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "display", - .domains = BDW_DISPLAY_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = HSW_DISP_PW_GLOBAL, - { - .hsw.idx = HSW_PW_CTL_IDX_GLOBAL, - .hsw.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C), - .hsw.has_vga = true, - }, - }, -}; - -static const struct i915_power_well_ops vlv_display_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = vlv_display_power_well_enable, - .disable = vlv_display_power_well_disable, - .is_enabled = vlv_power_well_enabled, -}; - -static const struct i915_power_well_ops vlv_dpio_cmn_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = vlv_dpio_cmn_power_well_enable, - .disable = vlv_dpio_cmn_power_well_disable, - .is_enabled = vlv_power_well_enabled, -}; - -static const struct i915_power_well_ops vlv_dpio_power_well_ops = { - .sync_hw = i9xx_power_well_sync_hw_noop, - .enable = vlv_power_well_enable, - .disable = vlv_power_well_disable, - .is_enabled = vlv_power_well_enabled, -}; - -static const struct i915_power_well_desc vlv_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "display", - .domains = VLV_DISPLAY_POWER_DOMAINS, - .ops = &vlv_display_power_well_ops, - .id = VLV_DISP_PW_DISP2D, - { - .vlv.idx = PUNIT_PWGT_IDX_DISP2D, - }, - }, - { - .name = "dpio-tx-b-01", - .domains = VLV_DPIO_TX_B_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_B_LANES_23_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_23_POWER_DOMAINS, - .ops = &vlv_dpio_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_TX_B_LANES_01, - }, - }, - { - .name = "dpio-tx-b-23", - .domains = VLV_DPIO_TX_B_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_B_LANES_23_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_23_POWER_DOMAINS, - .ops = &vlv_dpio_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_TX_B_LANES_23, - }, - }, - { - .name = "dpio-tx-c-01", - .domains = VLV_DPIO_TX_B_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_B_LANES_23_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_23_POWER_DOMAINS, - .ops = &vlv_dpio_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_TX_C_LANES_01, - }, - }, - { - .name = "dpio-tx-c-23", - .domains = VLV_DPIO_TX_B_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_B_LANES_23_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_01_POWER_DOMAINS | - VLV_DPIO_TX_C_LANES_23_POWER_DOMAINS, - .ops = &vlv_dpio_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_TX_C_LANES_23, - }, - }, - { - .name = "dpio-common", - .domains = VLV_DPIO_CMN_BC_POWER_DOMAINS, - .ops = &vlv_dpio_cmn_power_well_ops, - .id = VLV_DISP_PW_DPIO_CMN_BC, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_CMN_BC, - }, - }, -}; - -static const struct i915_power_well_desc chv_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "display", - /* - * Pipe A power well is the new disp2d well. Pipe B and C - * power wells don't actually exist. Pipe A power well is - * required for any pipe to work. - */ - .domains = CHV_DISPLAY_POWER_DOMAINS, - .ops = &chv_pipe_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "dpio-common-bc", - .domains = CHV_DPIO_CMN_BC_POWER_DOMAINS, - .ops = &chv_dpio_cmn_power_well_ops, - .id = VLV_DISP_PW_DPIO_CMN_BC, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_CMN_BC, - }, - }, - { - .name = "dpio-common-d", - .domains = CHV_DPIO_CMN_D_POWER_DOMAINS, - .ops = &chv_dpio_cmn_power_well_ops, - .id = CHV_DISP_PW_DPIO_CMN_D, - { - .vlv.idx = PUNIT_PWGT_IDX_DPIO_CMN_D, - }, - }, -}; - -static const struct i915_power_well_desc skl_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = SKL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "MISC IO power well", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_MISC_IO, - { - .hsw.idx = SKL_PW_CTL_IDX_MISC_IO, - }, - }, - { - .name = "DC off", - .domains = SKL_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = SKL_DISPLAY_POWERWELL_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = SKL_PW_CTL_IDX_PW_2, - .hsw.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "DDI A/E IO power well", - .domains = SKL_DISPLAY_DDI_IO_A_E_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = SKL_PW_CTL_IDX_DDI_A_E, - }, - }, - { - .name = "DDI B IO power well", - .domains = SKL_DISPLAY_DDI_IO_B_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = SKL_PW_CTL_IDX_DDI_B, - }, - }, - { - .name = "DDI C IO power well", - .domains = SKL_DISPLAY_DDI_IO_C_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = SKL_PW_CTL_IDX_DDI_C, - }, - }, - { - .name = "DDI D IO power well", - .domains = SKL_DISPLAY_DDI_IO_D_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = SKL_PW_CTL_IDX_DDI_D, - }, - }, -}; - -static const struct i915_power_well_desc bxt_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = SKL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = BXT_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = BXT_DISPLAY_POWERWELL_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = SKL_PW_CTL_IDX_PW_2, - .hsw.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "dpio-common-a", - .domains = BXT_DPIO_CMN_A_POWER_DOMAINS, - .ops = &bxt_dpio_cmn_power_well_ops, - .id = BXT_DISP_PW_DPIO_CMN_A, - { - .bxt.phy = DPIO_PHY1, - }, - }, - { - .name = "dpio-common-bc", - .domains = BXT_DPIO_CMN_BC_POWER_DOMAINS, - .ops = &bxt_dpio_cmn_power_well_ops, - .id = VLV_DISP_PW_DPIO_CMN_BC, - { - .bxt.phy = DPIO_PHY0, - }, - }, -}; - -static const struct i915_power_well_desc glk_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = SKL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = GLK_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = GLK_DISPLAY_POWERWELL_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = SKL_PW_CTL_IDX_PW_2, - .hsw.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "dpio-common-a", - .domains = GLK_DPIO_CMN_A_POWER_DOMAINS, - .ops = &bxt_dpio_cmn_power_well_ops, - .id = BXT_DISP_PW_DPIO_CMN_A, - { - .bxt.phy = DPIO_PHY1, - }, - }, - { - .name = "dpio-common-b", - .domains = GLK_DPIO_CMN_B_POWER_DOMAINS, - .ops = &bxt_dpio_cmn_power_well_ops, - .id = VLV_DISP_PW_DPIO_CMN_BC, - { - .bxt.phy = DPIO_PHY0, - }, - }, - { - .name = "dpio-common-c", - .domains = GLK_DPIO_CMN_C_POWER_DOMAINS, - .ops = &bxt_dpio_cmn_power_well_ops, - .id = GLK_DISP_PW_DPIO_CMN_C, - { - .bxt.phy = DPIO_PHY2, - }, - }, - { - .name = "AUX A", - .domains = GLK_DISPLAY_AUX_A_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = GLK_PW_CTL_IDX_AUX_A, - }, - }, - { - .name = "AUX B", - .domains = GLK_DISPLAY_AUX_B_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = GLK_PW_CTL_IDX_AUX_B, - }, - }, - { - .name = "AUX C", - .domains = GLK_DISPLAY_AUX_C_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = GLK_PW_CTL_IDX_AUX_C, - }, - }, - { - .name = "DDI A IO power well", - .domains = GLK_DISPLAY_DDI_IO_A_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = GLK_PW_CTL_IDX_DDI_A, - }, - }, - { - .name = "DDI B IO power well", - .domains = GLK_DISPLAY_DDI_IO_B_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = SKL_PW_CTL_IDX_DDI_B, - }, - }, - { - .name = "DDI C IO power well", - .domains = GLK_DISPLAY_DDI_IO_C_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = SKL_PW_CTL_IDX_DDI_C, - }, - }, -}; - -static const struct i915_power_well_regs icl_aux_power_well_regs = { - .bios = ICL_PWR_WELL_CTL_AUX1, - .driver = ICL_PWR_WELL_CTL_AUX2, - .debug = ICL_PWR_WELL_CTL_AUX4, -}; - -static const struct i915_power_well_ops icl_aux_power_well_ops = { - .regs = &icl_aux_power_well_regs, - .sync_hw = hsw_power_well_sync_hw, - .enable = icl_aux_power_well_enable, - .disable = icl_aux_power_well_disable, - .is_enabled = hsw_power_well_enabled, -}; - -static const struct i915_power_well_regs icl_ddi_power_well_regs = { - .bios = ICL_PWR_WELL_CTL_DDI1, - .driver = ICL_PWR_WELL_CTL_DDI2, - .debug = ICL_PWR_WELL_CTL_DDI4, -}; - -static const struct i915_power_well_ops icl_ddi_power_well_ops = { - .regs = &icl_ddi_power_well_regs, - .sync_hw = hsw_power_well_sync_hw, - .enable = hsw_power_well_enable, - .disable = hsw_power_well_disable, - .is_enabled = hsw_power_well_enabled, -}; - -static const struct i915_power_well_desc icl_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = ICL_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = ICL_PW_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_2, - .hsw.has_fuses = true, - }, - }, - { - .name = "power well 3", - .domains = ICL_PW_3_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = ICL_DISP_PW_3, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_3, - .hsw.irq_pipe_mask = BIT(PIPE_B), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "DDI A IO", - .domains = ICL_DDI_IO_A_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_A, - }, - }, - { - .name = "DDI B IO", - .domains = ICL_DDI_IO_B_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_B, - }, - }, - { - .name = "DDI C IO", - .domains = ICL_DDI_IO_C_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_C, - }, - }, - { - .name = "DDI D IO", - .domains = ICL_DDI_IO_D_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_D, - }, - }, - { - .name = "DDI E IO", - .domains = ICL_DDI_IO_E_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_E, - }, - }, - { - .name = "DDI F IO", - .domains = ICL_DDI_IO_F_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_F, - }, - }, - { - .name = "AUX A", - .domains = ICL_AUX_A_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_A, - }, - }, - { - .name = "AUX B", - .domains = ICL_AUX_B_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_B, - }, - }, - { - .name = "AUX C TC1", - .domains = ICL_AUX_C_TC1_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_C, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX D TC2", - .domains = ICL_AUX_D_TC2_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_D, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX E TC3", - .domains = ICL_AUX_E_TC3_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_E, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX F TC4", - .domains = ICL_AUX_F_TC4_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_F, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX C TBT1", - .domains = ICL_AUX_C_TBT1_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_TBT1, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX D TBT2", - .domains = ICL_AUX_D_TBT2_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_TBT2, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX E TBT3", - .domains = ICL_AUX_E_TBT3_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_TBT3, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX F TBT4", - .domains = ICL_AUX_F_TBT4_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_TBT4, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "power well 4", - .domains = ICL_PW_4_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_4, - .hsw.has_fuses = true, - .hsw.irq_pipe_mask = BIT(PIPE_C), - }, - }, -}; - -static void -tgl_tc_cold_request(struct drm_i915_private *i915, bool block) -{ - u8 tries = 0; - int ret; - - while (1) { - u32 low_val; - u32 high_val = 0; - - if (block) - low_val = TGL_PCODE_EXIT_TCCOLD_DATA_L_BLOCK_REQ; - else - low_val = TGL_PCODE_EXIT_TCCOLD_DATA_L_UNBLOCK_REQ; - - /* - * Spec states that we should timeout the request after 200us - * but the function below will timeout after 500us - */ - ret = snb_pcode_read(i915, TGL_PCODE_TCCOLD, &low_val, &high_val); - if (ret == 0) { - if (block && - (low_val & TGL_PCODE_EXIT_TCCOLD_DATA_L_EXIT_FAILED)) - ret = -EIO; - else - break; - } - - if (++tries == 3) - break; - - msleep(1); - } - - if (ret) - drm_err(&i915->drm, "TC cold %sblock failed\n", - block ? "" : "un"); - else - drm_dbg_kms(&i915->drm, "TC cold %sblock succeeded\n", - block ? "" : "un"); -} - -static void -tgl_tc_cold_off_power_well_enable(struct drm_i915_private *i915, - struct i915_power_well *power_well) -{ - tgl_tc_cold_request(i915, true); -} - -static void -tgl_tc_cold_off_power_well_disable(struct drm_i915_private *i915, - struct i915_power_well *power_well) -{ - tgl_tc_cold_request(i915, false); -} - -static void -tgl_tc_cold_off_power_well_sync_hw(struct drm_i915_private *i915, - struct i915_power_well *power_well) -{ - if (intel_power_well_refcount(power_well) > 0) - tgl_tc_cold_off_power_well_enable(i915, power_well); - else - tgl_tc_cold_off_power_well_disable(i915, power_well); -} - -static bool -tgl_tc_cold_off_power_well_is_enabled(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well) -{ - /* - * Not the correctly implementation but there is no way to just read it - * from PCODE, so returning count to avoid state mismatch errors - */ - return intel_power_well_refcount(power_well); -} - -static const struct i915_power_well_ops tgl_tc_cold_off_ops = { - .sync_hw = tgl_tc_cold_off_power_well_sync_hw, - .enable = tgl_tc_cold_off_power_well_enable, - .disable = tgl_tc_cold_off_power_well_disable, - .is_enabled = tgl_tc_cold_off_power_well_is_enabled, -}; - -static const struct i915_power_well_desc tgl_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = TGL_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = TGL_PW_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_2, - .hsw.has_fuses = true, - }, - }, - { - .name = "power well 3", - .domains = TGL_PW_3_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = ICL_DISP_PW_3, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_3, - .hsw.irq_pipe_mask = BIT(PIPE_B), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "DDI A IO", - .domains = ICL_DDI_IO_A_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_A, - } - }, - { - .name = "DDI B IO", - .domains = ICL_DDI_IO_B_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_B, - } - }, - { - .name = "DDI C IO", - .domains = ICL_DDI_IO_C_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_C, - } - }, - { - .name = "DDI IO TC1", - .domains = TGL_DDI_IO_TC1_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC1, - }, - }, - { - .name = "DDI IO TC2", - .domains = TGL_DDI_IO_TC2_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC2, - }, - }, - { - .name = "DDI IO TC3", - .domains = TGL_DDI_IO_TC3_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC3, - }, - }, - { - .name = "DDI IO TC4", - .domains = TGL_DDI_IO_TC4_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC4, - }, - }, - { - .name = "DDI IO TC5", - .domains = TGL_DDI_IO_TC5_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC5, - }, - }, - { - .name = "DDI IO TC6", - .domains = TGL_DDI_IO_TC6_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC6, - }, - }, - { - .name = "TC cold off", - .domains = TGL_TC_COLD_OFF_POWER_DOMAINS, - .ops = &tgl_tc_cold_off_ops, - .id = TGL_DISP_PW_TC_COLD_OFF, - }, - { - .name = "AUX A", - .domains = TGL_AUX_A_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_A, - }, - }, - { - .name = "AUX B", - .domains = TGL_AUX_B_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_B, - }, - }, - { - .name = "AUX C", - .domains = TGL_AUX_C_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_C, - }, - }, - { - .name = "AUX USBC1", - .domains = TGL_AUX_IO_USBC1_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC1, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX USBC2", - .domains = TGL_AUX_IO_USBC2_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC2, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX USBC3", - .domains = TGL_AUX_IO_USBC3_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC3, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX USBC4", - .domains = TGL_AUX_IO_USBC4_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC4, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX USBC5", - .domains = TGL_AUX_IO_USBC5_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC5, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX USBC6", - .domains = TGL_AUX_IO_USBC6_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC6, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX TBT1", - .domains = TGL_AUX_IO_TBT1_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT1, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT2", - .domains = TGL_AUX_IO_TBT2_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT2, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT3", - .domains = TGL_AUX_IO_TBT3_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT3, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT4", - .domains = TGL_AUX_IO_TBT4_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT4, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT5", - .domains = TGL_AUX_IO_TBT5_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT5, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT6", - .domains = TGL_AUX_IO_TBT6_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT6, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "power well 4", - .domains = TGL_PW_4_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_4, - .hsw.has_fuses = true, - .hsw.irq_pipe_mask = BIT(PIPE_C), - } - }, - { - .name = "power well 5", - .domains = TGL_PW_5_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_PW_5, - .hsw.has_fuses = true, - .hsw.irq_pipe_mask = BIT(PIPE_D), - }, - }, -}; - -static const struct i915_power_well_desc rkl_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = RKL_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 3", - .domains = RKL_PW_3_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = ICL_DISP_PW_3, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_3, - .hsw.irq_pipe_mask = BIT(PIPE_B), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "power well 4", - .domains = RKL_PW_4_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_4, - .hsw.has_fuses = true, - .hsw.irq_pipe_mask = BIT(PIPE_C), - } - }, - { - .name = "DDI A IO", - .domains = ICL_DDI_IO_A_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_A, - } - }, - { - .name = "DDI B IO", - .domains = ICL_DDI_IO_B_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_B, - } - }, - { - .name = "DDI IO TC1", - .domains = TGL_DDI_IO_TC1_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC1, - }, - }, - { - .name = "DDI IO TC2", - .domains = TGL_DDI_IO_TC2_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC2, - }, - }, - { - .name = "AUX A", - .domains = ICL_AUX_A_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_A, - }, - }, - { - .name = "AUX B", - .domains = ICL_AUX_B_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_B, - }, - }, - { - .name = "AUX USBC1", - .domains = TGL_AUX_IO_USBC1_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC1, - }, - }, - { - .name = "AUX USBC2", - .domains = TGL_AUX_IO_USBC2_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC2, - }, - }, -}; - -static const struct i915_power_well_desc dg1_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = DG1_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = DG1_PW_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_2, - .hsw.has_fuses = true, - }, - }, - { - .name = "power well 3", - .domains = DG1_PW_3_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = ICL_DISP_PW_3, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_3, - .hsw.irq_pipe_mask = BIT(PIPE_B), - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "DDI A IO", - .domains = ICL_DDI_IO_A_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_A, - } - }, - { - .name = "DDI B IO", - .domains = ICL_DDI_IO_B_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_B, - } - }, - { - .name = "DDI IO TC1", - .domains = TGL_DDI_IO_TC1_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC1, - }, - }, - { - .name = "DDI IO TC2", - .domains = TGL_DDI_IO_TC2_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC2, - }, - }, - { - .name = "AUX A", - .domains = TGL_AUX_A_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_A, - }, - }, - { - .name = "AUX B", - .domains = TGL_AUX_B_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_B, - }, - }, - { - .name = "AUX USBC1", - .domains = TGL_AUX_IO_USBC1_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC1, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "AUX USBC2", - .domains = TGL_AUX_IO_USBC2_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC2, - .hsw.is_tc_tbt = false, - }, - }, - { - .name = "power well 4", - .domains = TGL_PW_4_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_4, - .hsw.has_fuses = true, - .hsw.irq_pipe_mask = BIT(PIPE_C), - } - }, - { - .name = "power well 5", - .domains = TGL_PW_5_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_PW_5, - .hsw.has_fuses = true, - .hsw.irq_pipe_mask = BIT(PIPE_D), - }, - }, -}; - -static const struct i915_power_well_desc xelpd_power_wells[] = { - { - .name = "always-on", - .always_on = true, - .domains = POWER_DOMAIN_MASK, - .ops = &i9xx_always_on_power_well_ops, - .id = DISP_PW_ID_NONE, - }, - { - .name = "power well 1", - /* Handled by the DMC firmware */ - .always_on = true, - .domains = 0, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_1, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_1, - .hsw.has_fuses = true, - }, - }, - { - .name = "DC off", - .domains = XELPD_DISPLAY_DC_OFF_POWER_DOMAINS, - .ops = &gen9_dc_off_power_well_ops, - .id = SKL_DISP_DC_OFF, - }, - { - .name = "power well 2", - .domains = XELPD_PW_2_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = SKL_DISP_PW_2, - { - .hsw.idx = ICL_PW_CTL_IDX_PW_2, - .hsw.has_vga = true, - .hsw.has_fuses = true, - }, - }, - { - .name = "power well A", - .domains = XELPD_PW_A_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_PW_A, - .hsw.irq_pipe_mask = BIT(PIPE_A), - .hsw.has_fuses = true, - }, - }, - { - .name = "power well B", - .domains = XELPD_PW_B_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_PW_B, - .hsw.irq_pipe_mask = BIT(PIPE_B), - .hsw.has_fuses = true, - }, - }, - { - .name = "power well C", - .domains = XELPD_PW_C_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_PW_C, - .hsw.irq_pipe_mask = BIT(PIPE_C), - .hsw.has_fuses = true, - }, - }, - { - .name = "power well D", - .domains = XELPD_PW_D_POWER_DOMAINS, - .ops = &hsw_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_PW_D, - .hsw.irq_pipe_mask = BIT(PIPE_D), - .hsw.has_fuses = true, - }, - }, - { - .name = "DDI A IO", - .domains = ICL_DDI_IO_A_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_A, - } - }, - { - .name = "DDI B IO", - .domains = ICL_DDI_IO_B_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_B, - } - }, - { - .name = "DDI C IO", - .domains = ICL_DDI_IO_C_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_DDI_C, - } - }, - { - .name = "DDI IO D_XELPD", - .domains = XELPD_DDI_IO_D_XELPD_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_DDI_D, - } - }, - { - .name = "DDI IO E_XELPD", - .domains = XELPD_DDI_IO_E_XELPD_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_DDI_E, - } - }, - { - .name = "DDI IO TC1", - .domains = XELPD_DDI_IO_TC1_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC1, - } - }, - { - .name = "DDI IO TC2", - .domains = XELPD_DDI_IO_TC2_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC2, - } - }, - { - .name = "DDI IO TC3", - .domains = XELPD_DDI_IO_TC3_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC3, - } - }, - { - .name = "DDI IO TC4", - .domains = XELPD_DDI_IO_TC4_POWER_DOMAINS, - .ops = &icl_ddi_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_DDI_TC4, - } - }, - { - .name = "AUX A", - .domains = ICL_AUX_A_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_A, - .hsw.fixed_enable_delay = 600, - }, - }, - { - .name = "AUX B", - .domains = ICL_AUX_B_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_B, - .hsw.fixed_enable_delay = 600, - }, - }, - { - .name = "AUX C", - .domains = TGL_AUX_C_IO_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = ICL_PW_CTL_IDX_AUX_C, - .hsw.fixed_enable_delay = 600, - }, - }, - { - .name = "AUX D_XELPD", - .domains = XELPD_AUX_IO_D_XELPD_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_AUX_D, - .hsw.fixed_enable_delay = 600, - }, - }, - { - .name = "AUX E_XELPD", - .domains = XELPD_AUX_IO_E_XELPD_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = XELPD_PW_CTL_IDX_AUX_E, - }, - }, - { - .name = "AUX USBC1", - .domains = XELPD_AUX_IO_USBC1_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC1, - .hsw.fixed_enable_delay = 600, - }, - }, - { - .name = "AUX USBC2", - .domains = XELPD_AUX_IO_USBC2_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC2, - }, - }, - { - .name = "AUX USBC3", - .domains = XELPD_AUX_IO_USBC3_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC3, - }, - }, - { - .name = "AUX USBC4", - .domains = XELPD_AUX_IO_USBC4_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TC4, - }, - }, - { - .name = "AUX TBT1", - .domains = XELPD_AUX_IO_TBT1_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT1, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT2", - .domains = XELPD_AUX_IO_TBT2_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT2, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT3", - .domains = XELPD_AUX_IO_TBT3_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT3, - .hsw.is_tc_tbt = true, - }, - }, - { - .name = "AUX TBT4", - .domains = XELPD_AUX_IO_TBT4_POWER_DOMAINS, - .ops = &icl_aux_power_well_ops, - .id = DISP_PW_ID_NONE, - { - .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT4, - .hsw.is_tc_tbt = true, - }, - }, -}; - static int sanitize_disable_power_well_option(const struct drm_i915_private *dev_priv, int disable_power_well) @@ -4828,57 +965,6 @@ static u32 get_allowed_dc_mask(const struct drm_i915_private *dev_priv, return mask; } -static int -__set_power_wells(struct i915_power_domains *power_domains, - const struct i915_power_well_desc *power_well_descs, - int power_well_descs_sz, u64 skip_mask) -{ - struct drm_i915_private *i915 = container_of(power_domains, - struct drm_i915_private, - power_domains); - u64 power_well_ids = 0; - int power_well_count = 0; - int i, plt_idx = 0; - - for (i = 0; i < power_well_descs_sz; i++) - if (!(BIT_ULL(power_well_descs[i].id) & skip_mask)) - power_well_count++; - - power_domains->power_well_count = power_well_count; - power_domains->power_wells = - kcalloc(power_well_count, - sizeof(*power_domains->power_wells), - GFP_KERNEL); - if (!power_domains->power_wells) - return -ENOMEM; - - for (i = 0; i < power_well_descs_sz; i++) { - enum i915_power_well_id id = power_well_descs[i].id; - - if (BIT_ULL(id) & skip_mask) - continue; - - power_domains->power_wells[plt_idx++].desc = - &power_well_descs[i]; - - if (id == DISP_PW_ID_NONE) - continue; - - drm_WARN_ON(&i915->drm, id >= sizeof(power_well_ids) * 8); - drm_WARN_ON(&i915->drm, power_well_ids & BIT_ULL(id)); - power_well_ids |= BIT_ULL(id); - } - - return 0; -} - -#define set_power_wells_mask(power_domains, __power_well_descs, skip_mask) \ - __set_power_wells(power_domains, __power_well_descs, \ - ARRAY_SIZE(__power_well_descs), skip_mask) - -#define set_power_wells(power_domains, __power_well_descs) \ - set_power_wells_mask(power_domains, __power_well_descs, 0) - /** * intel_power_domains_init - initializes the power domain structures * @dev_priv: i915 device instance @@ -4889,7 +975,6 @@ __set_power_wells(struct i915_power_domains *power_domains, int intel_power_domains_init(struct drm_i915_private *dev_priv) { struct i915_power_domains *power_domains = &dev_priv->power_domains; - int err; dev_priv->params.disable_power_well = sanitize_disable_power_well_option(dev_priv, @@ -4900,54 +985,12 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv) dev_priv->dmc.target_dc_state = sanitize_target_dc_state(dev_priv, DC_STATE_EN_UPTO_DC6); - BUILD_BUG_ON(POWER_DOMAIN_NUM > 64); - mutex_init(&power_domains->lock); INIT_DELAYED_WORK(&power_domains->async_put_work, intel_display_power_put_async_work); - /* - * The enabling order will be from lower to higher indexed wells, - * the disabling order is reversed. - */ - if (!HAS_DISPLAY(dev_priv)) { - power_domains->power_well_count = 0; - err = 0; - } else if (DISPLAY_VER(dev_priv) >= 13) { - err = set_power_wells(power_domains, xelpd_power_wells); - } else if (IS_DG1(dev_priv)) { - err = set_power_wells(power_domains, dg1_power_wells); - } else if (IS_ALDERLAKE_S(dev_priv)) { - err = set_power_wells_mask(power_domains, tgl_power_wells, - BIT_ULL(TGL_DISP_PW_TC_COLD_OFF)); - } else if (IS_ROCKETLAKE(dev_priv)) { - err = set_power_wells(power_domains, rkl_power_wells); - } else if (DISPLAY_VER(dev_priv) == 12) { - err = set_power_wells(power_domains, tgl_power_wells); - } else if (DISPLAY_VER(dev_priv) == 11) { - err = set_power_wells(power_domains, icl_power_wells); - } else if (IS_GEMINILAKE(dev_priv)) { - err = set_power_wells(power_domains, glk_power_wells); - } else if (IS_BROXTON(dev_priv)) { - err = set_power_wells(power_domains, bxt_power_wells); - } else if (DISPLAY_VER(dev_priv) == 9) { - err = set_power_wells(power_domains, skl_power_wells); - } else if (IS_CHERRYVIEW(dev_priv)) { - err = set_power_wells(power_domains, chv_power_wells); - } else if (IS_BROADWELL(dev_priv)) { - err = set_power_wells(power_domains, bdw_power_wells); - } else if (IS_HASWELL(dev_priv)) { - err = set_power_wells(power_domains, hsw_power_wells); - } else if (IS_VALLEYVIEW(dev_priv)) { - err = set_power_wells(power_domains, vlv_power_wells); - } else if (IS_I830(dev_priv)) { - err = set_power_wells(power_domains, i830_power_wells); - } else { - err = set_power_wells(power_domains, i9xx_always_on_power_well); - } - - return err; + return intel_display_power_map_init(power_domains); } /** @@ -4958,7 +1001,7 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv) */ void intel_power_domains_cleanup(struct drm_i915_private *dev_priv) { - kfree(dev_priv->power_domains.power_wells); + intel_display_power_map_cleanup(&dev_priv->power_domains); } static void intel_power_domains_sync_hw(struct drm_i915_private *dev_priv) @@ -6229,3 +2272,209 @@ void intel_display_power_debug(struct drm_i915_private *i915, struct seq_file *m mutex_unlock(&power_domains->lock); } + +struct intel_ddi_port_domains { + enum port port_start; + enum port port_end; + enum aux_ch aux_ch_start; + enum aux_ch aux_ch_end; + + enum intel_display_power_domain ddi_lanes; + enum intel_display_power_domain ddi_io; + enum intel_display_power_domain aux_legacy_usbc; + enum intel_display_power_domain aux_tbt; +}; + +static const struct intel_ddi_port_domains +i9xx_port_domains[] = { + { + .port_start = PORT_A, + .port_end = PORT_F, + .aux_ch_start = AUX_CH_A, + .aux_ch_end = AUX_CH_F, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_A, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_A, + .aux_legacy_usbc = POWER_DOMAIN_AUX_A, + .aux_tbt = POWER_DOMAIN_INVALID, + }, +}; + +static const struct intel_ddi_port_domains +d11_port_domains[] = { + { + .port_start = PORT_A, + .port_end = PORT_B, + .aux_ch_start = AUX_CH_A, + .aux_ch_end = AUX_CH_B, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_A, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_A, + .aux_legacy_usbc = POWER_DOMAIN_AUX_A, + .aux_tbt = POWER_DOMAIN_INVALID, + }, { + .port_start = PORT_C, + .port_end = PORT_F, + .aux_ch_start = AUX_CH_C, + .aux_ch_end = AUX_CH_F, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_C, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_C, + .aux_legacy_usbc = POWER_DOMAIN_AUX_C, + .aux_tbt = POWER_DOMAIN_AUX_TBT1, + }, +}; + +static const struct intel_ddi_port_domains +d12_port_domains[] = { + { + .port_start = PORT_A, + .port_end = PORT_C, + .aux_ch_start = AUX_CH_A, + .aux_ch_end = AUX_CH_C, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_A, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_A, + .aux_legacy_usbc = POWER_DOMAIN_AUX_A, + .aux_tbt = POWER_DOMAIN_INVALID, + }, { + .port_start = PORT_TC1, + .port_end = PORT_TC6, + .aux_ch_start = AUX_CH_USBC1, + .aux_ch_end = AUX_CH_USBC6, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_TC1, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_TC1, + .aux_legacy_usbc = POWER_DOMAIN_AUX_USBC1, + .aux_tbt = POWER_DOMAIN_AUX_TBT1, + }, +}; + +static const struct intel_ddi_port_domains +d13_port_domains[] = { + { + .port_start = PORT_A, + .port_end = PORT_C, + .aux_ch_start = AUX_CH_A, + .aux_ch_end = AUX_CH_C, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_A, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_A, + .aux_legacy_usbc = POWER_DOMAIN_AUX_A, + .aux_tbt = POWER_DOMAIN_INVALID, + }, { + .port_start = PORT_TC1, + .port_end = PORT_TC4, + .aux_ch_start = AUX_CH_USBC1, + .aux_ch_end = AUX_CH_USBC4, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_TC1, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_TC1, + .aux_legacy_usbc = POWER_DOMAIN_AUX_USBC1, + .aux_tbt = POWER_DOMAIN_AUX_TBT1, + }, { + .port_start = PORT_D_XELPD, + .port_end = PORT_E_XELPD, + .aux_ch_start = AUX_CH_D_XELPD, + .aux_ch_end = AUX_CH_E_XELPD, + + .ddi_lanes = POWER_DOMAIN_PORT_DDI_LANES_D, + .ddi_io = POWER_DOMAIN_PORT_DDI_IO_D, + .aux_legacy_usbc = POWER_DOMAIN_AUX_D, + .aux_tbt = POWER_DOMAIN_INVALID, + }, +}; + +static void +intel_port_domains_for_platform(struct drm_i915_private *i915, + const struct intel_ddi_port_domains **domains, + int *domains_size) +{ + if (DISPLAY_VER(i915) >= 13) { + *domains = d13_port_domains; + *domains_size = ARRAY_SIZE(d13_port_domains); + } else if (DISPLAY_VER(i915) >= 12) { + *domains = d12_port_domains; + *domains_size = ARRAY_SIZE(d12_port_domains); + } else if (DISPLAY_VER(i915) >= 11) { + *domains = d11_port_domains; + *domains_size = ARRAY_SIZE(d11_port_domains); + } else { + *domains = i9xx_port_domains; + *domains_size = ARRAY_SIZE(i9xx_port_domains); + } +} + +static const struct intel_ddi_port_domains * +intel_port_domains_for_port(struct drm_i915_private *i915, enum port port) +{ + const struct intel_ddi_port_domains *domains; + int domains_size; + int i; + + intel_port_domains_for_platform(i915, &domains, &domains_size); + for (i = 0; i < domains_size; i++) + if (port >= domains[i].port_start && port <= domains[i].port_end) + return &domains[i]; + + return NULL; +} + +enum intel_display_power_domain +intel_display_power_ddi_io_domain(struct drm_i915_private *i915, enum port port) +{ + const struct intel_ddi_port_domains *domains = intel_port_domains_for_port(i915, port); + + if (drm_WARN_ON(&i915->drm, !domains) || domains->ddi_io == POWER_DOMAIN_INVALID) + return POWER_DOMAIN_PORT_DDI_IO_A; + + return domains->ddi_io + port - domains->port_start; +} + +enum intel_display_power_domain +intel_display_power_ddi_lanes_domain(struct drm_i915_private *i915, enum port port) +{ + const struct intel_ddi_port_domains *domains = intel_port_domains_for_port(i915, port); + + if (drm_WARN_ON(&i915->drm, !domains) || domains->ddi_lanes == POWER_DOMAIN_INVALID) + return POWER_DOMAIN_PORT_DDI_LANES_A; + + return domains->ddi_lanes + port - domains->port_start; +} + +static const struct intel_ddi_port_domains * +intel_port_domains_for_aux_ch(struct drm_i915_private *i915, enum aux_ch aux_ch) +{ + const struct intel_ddi_port_domains *domains; + int domains_size; + int i; + + intel_port_domains_for_platform(i915, &domains, &domains_size); + for (i = 0; i < domains_size; i++) + if (aux_ch >= domains[i].aux_ch_start && aux_ch <= domains[i].aux_ch_end) + return &domains[i]; + + return NULL; +} + +enum intel_display_power_domain +intel_display_power_legacy_aux_domain(struct drm_i915_private *i915, enum aux_ch aux_ch) +{ + const struct intel_ddi_port_domains *domains = intel_port_domains_for_aux_ch(i915, aux_ch); + + if (drm_WARN_ON(&i915->drm, !domains) || domains->aux_legacy_usbc == POWER_DOMAIN_INVALID) + return POWER_DOMAIN_AUX_A; + + return domains->aux_legacy_usbc + aux_ch - domains->aux_ch_start; +} + +enum intel_display_power_domain +intel_display_power_tbt_aux_domain(struct drm_i915_private *i915, enum aux_ch aux_ch) +{ + const struct intel_ddi_port_domains *domains = intel_port_domains_for_aux_ch(i915, aux_ch); + + if (drm_WARN_ON(&i915->drm, !domains) || domains->aux_tbt == POWER_DOMAIN_INVALID) + return POWER_DOMAIN_AUX_TBT1; + + return domains->aux_tbt + aux_ch - domains->aux_ch_start; +} |