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path: root/drivers/gpu/drm/i915/display/intel_psr.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_psr.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_psr.c445
1 files changed, 326 insertions, 119 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 6badfff2b4a2..97d5eef10130 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -85,6 +85,91 @@
* use page flips.
*/
+/*
+ * Description of PSR mask bits:
+ *
+ * EDP_PSR_DEBUG[16]/EDP_PSR_DEBUG_MASK_DISP_REG_WRITE (hsw-skl):
+ *
+ * When unmasked (nearly) all display register writes (eg. even
+ * SWF) trigger a PSR exit. Some registers are excluded from this
+ * and they have a more specific mask (described below). On icl+
+ * this bit no longer exists and is effectively always set.
+ *
+ * PIPE_MISC[21]/PIPE_MISC_PSR_MASK_PIPE_REG_WRITE (skl+):
+ *
+ * When unmasked (nearly) all pipe/plane register writes
+ * trigger a PSR exit. Some plane registers are excluded from this
+ * and they have a more specific mask (described below).
+ *
+ * CHICKEN_PIPESL_1[11]/SKL_PSR_MASK_PLANE_FLIP (skl+):
+ * PIPE_MISC[23]/PIPE_MISC_PSR_MASK_PRIMARY_FLIP (bdw):
+ * EDP_PSR_DEBUG[23]/EDP_PSR_DEBUG_MASK_PRIMARY_FLIP (hsw):
+ *
+ * When unmasked PRI_SURF/PLANE_SURF writes trigger a PSR exit.
+ * SPR_SURF/CURBASE are not included in this and instead are
+ * controlled by PIPE_MISC_PSR_MASK_PIPE_REG_WRITE (skl+) or
+ * EDP_PSR_DEBUG_MASK_DISP_REG_WRITE (hsw/bdw).
+ *
+ * PIPE_MISC[22]/PIPE_MISC_PSR_MASK_SPRITE_ENABLE (bdw):
+ * EDP_PSR_DEBUG[21]/EDP_PSR_DEBUG_MASK_SPRITE_ENABLE (hsw):
+ *
+ * When unmasked PSR is blocked as long as the sprite
+ * plane is enabled. skl+ with their universal planes no
+ * longer have a mask bit like this, and no plane being
+ * enabledb blocks PSR.
+ *
+ * PIPE_MISC[21]/PIPE_MISC_PSR_MASK_CURSOR_MOVE (bdw):
+ * EDP_PSR_DEBUG[20]/EDP_PSR_DEBUG_MASK_CURSOR_MOVE (hsw):
+ *
+ * When umasked CURPOS writes trigger a PSR exit. On skl+
+ * this doesn't exit but CURPOS is included in the
+ * PIPE_MISC_PSR_MASK_PIPE_REG_WRITE mask.
+ *
+ * PIPE_MISC[20]/PIPE_MISC_PSR_MASK_VBLANK_VSYNC_INT (bdw+):
+ * EDP_PSR_DEBUG[19]/EDP_PSR_DEBUG_MASK_VBLANK_VSYNC_INT (hsw):
+ *
+ * When unmasked PSR is blocked as long as vblank and/or vsync
+ * interrupt is unmasked in IMR *and* enabled in IER.
+ *
+ * CHICKEN_TRANS[30]/SKL_UNMASK_VBL_TO_PIPE_IN_SRD (skl+):
+ * CHICKEN_PAR1_1[15]/HSW_MASK_VBL_TO_PIPE_IN_SRD (hsw/bdw):
+ *
+ * Selectcs whether PSR exit generates an extra vblank before
+ * the first frame is transmitted. Also note the opposite polarity
+ * if the bit on hsw/bdw vs. skl+ (masked==generate the extra vblank,
+ * unmasked==do not generate the extra vblank).
+ *
+ * With DC states enabled the extra vblank happens after link training,
+ * with DC states disabled it happens immediately upuon PSR exit trigger.
+ * No idea as of now why there is a difference. HSW/BDW (which don't
+ * even have DMC) always generate it after link training. Go figure.
+ *
+ * Unfortunately CHICKEN_TRANS itself seems to be double buffered
+ * and thus won't latch until the first vblank. So with DC states
+ * enabled the register effctively uses the reset value during DC5
+ * exit+PSR exit sequence, and thus the bit does nothing until
+ * latched by the vblank that it was trying to prevent from being
+ * generated in the first place. So we should probably call this
+ * one a chicken/egg bit instead on skl+.
+ *
+ * In standby mode (as opposed to link-off) this makes no difference
+ * as the timing generator keeps running the whole time generating
+ * normal periodic vblanks.
+ *
+ * WaPsrDPAMaskVBlankInSRD asks us to set the bit on hsw/bdw,
+ * and doing so makes the behaviour match the skl+ reset value.
+ *
+ * CHICKEN_PIPESL_1[0]/BDW_UNMASK_VBL_TO_REGS_IN_SRD (bdw):
+ * CHICKEN_PIPESL_1[15]/HSW_UNMASK_VBL_TO_REGS_IN_SRD (hsw):
+ *
+ * On BDW without this bit is no vblanks whatsoever are
+ * generated after PSR exit. On HSW this has no apparant effect.
+ * WaPsrDPRSUnmaskVBlankInSRD says to set this.
+ *
+ * The rest of the bits are more self-explanatory and/or
+ * irrelevant for normal operation.
+ */
+
static bool psr_global_enabled(struct intel_dp *intel_dp)
{
struct intel_connector *connector = intel_dp->attached_connector;
@@ -149,23 +234,91 @@ static u32 psr_irq_mask_get(struct intel_dp *intel_dp)
EDP_PSR_MASK(intel_dp->psr.transcoder);
}
-static void psr_irq_control(struct intel_dp *intel_dp)
+static i915_reg_t psr_ctl_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
{
- struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
- i915_reg_t imr_reg;
- u32 mask;
+ if (DISPLAY_VER(dev_priv) >= 8)
+ return EDP_PSR_CTL(cpu_transcoder);
+ else
+ return HSW_SRD_CTL;
+}
+
+static i915_reg_t psr_debug_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
+{
+ if (DISPLAY_VER(dev_priv) >= 8)
+ return EDP_PSR_DEBUG(cpu_transcoder);
+ else
+ return HSW_SRD_DEBUG;
+}
+static i915_reg_t psr_perf_cnt_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
+{
+ if (DISPLAY_VER(dev_priv) >= 8)
+ return EDP_PSR_PERF_CNT(cpu_transcoder);
+ else
+ return HSW_SRD_PERF_CNT;
+}
+
+static i915_reg_t psr_status_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
+{
+ if (DISPLAY_VER(dev_priv) >= 8)
+ return EDP_PSR_STATUS(cpu_transcoder);
+ else
+ return HSW_SRD_STATUS;
+}
+
+static i915_reg_t psr_imr_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
+{
if (DISPLAY_VER(dev_priv) >= 12)
- imr_reg = TRANS_PSR_IMR(intel_dp->psr.transcoder);
+ return TRANS_PSR_IMR(cpu_transcoder);
else
- imr_reg = EDP_PSR_IMR;
+ return EDP_PSR_IMR;
+}
+
+static i915_reg_t psr_iir_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
+{
+ if (DISPLAY_VER(dev_priv) >= 12)
+ return TRANS_PSR_IIR(cpu_transcoder);
+ else
+ return EDP_PSR_IIR;
+}
+
+static i915_reg_t psr_aux_ctl_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
+{
+ if (DISPLAY_VER(dev_priv) >= 8)
+ return EDP_PSR_AUX_CTL(cpu_transcoder);
+ else
+ return HSW_SRD_AUX_CTL;
+}
+
+static i915_reg_t psr_aux_data_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder, int i)
+{
+ if (DISPLAY_VER(dev_priv) >= 8)
+ return EDP_PSR_AUX_DATA(cpu_transcoder, i);
+ else
+ return HSW_SRD_AUX_DATA(i);
+}
+
+static void psr_irq_control(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
+ u32 mask;
mask = psr_irq_psr_error_bit_get(intel_dp);
if (intel_dp->psr.debug & I915_PSR_DEBUG_IRQ)
mask |= psr_irq_post_exit_bit_get(intel_dp) |
psr_irq_pre_entry_bit_get(intel_dp);
- intel_de_rmw(dev_priv, imr_reg, psr_irq_mask_get(intel_dp), ~mask);
+ intel_de_rmw(dev_priv, psr_imr_reg(dev_priv, cpu_transcoder),
+ psr_irq_mask_get(intel_dp), ~mask);
}
static void psr_event_print(struct drm_i915_private *i915,
@@ -208,15 +361,9 @@ static void psr_event_print(struct drm_i915_private *i915,
void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir)
{
- enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
ktime_t time_ns = ktime_get();
- i915_reg_t imr_reg;
-
- if (DISPLAY_VER(dev_priv) >= 12)
- imr_reg = TRANS_PSR_IMR(intel_dp->psr.transcoder);
- else
- imr_reg = EDP_PSR_IMR;
if (psr_iir & psr_irq_pre_entry_bit_get(intel_dp)) {
intel_dp->psr.last_entry_attempt = time_ns;
@@ -232,13 +379,11 @@ void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir)
transcoder_name(cpu_transcoder));
if (DISPLAY_VER(dev_priv) >= 9) {
- u32 val = intel_de_read(dev_priv,
- PSR_EVENT(cpu_transcoder));
- bool psr2_enabled = intel_dp->psr.psr2_enabled;
+ u32 val;
- intel_de_write(dev_priv, PSR_EVENT(cpu_transcoder),
- val);
- psr_event_print(dev_priv, val, psr2_enabled);
+ val = intel_de_rmw(dev_priv, PSR_EVENT(cpu_transcoder), 0, 0);
+
+ psr_event_print(dev_priv, val, intel_dp->psr.psr2_enabled);
}
}
@@ -256,9 +401,10 @@ void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir)
* again so we don't care about unmask the interruption
* or unset irq_aux_error.
*/
- intel_de_rmw(dev_priv, imr_reg, 0, psr_irq_psr_error_bit_get(intel_dp));
+ intel_de_rmw(dev_priv, psr_imr_reg(dev_priv, cpu_transcoder),
+ 0, psr_irq_psr_error_bit_get(intel_dp));
- schedule_work(&intel_dp->psr.work);
+ queue_work(dev_priv->unordered_wq, &intel_dp->psr.work);
}
}
@@ -384,6 +530,43 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp)
}
}
+static void hsw_psr_setup_aux(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
+ u32 aux_clock_divider, aux_ctl;
+ /* write DP_SET_POWER=D0 */
+ static const u8 aux_msg[] = {
+ [0] = (DP_AUX_NATIVE_WRITE << 4) | ((DP_SET_POWER >> 16) & 0xf),
+ [1] = (DP_SET_POWER >> 8) & 0xff,
+ [2] = DP_SET_POWER & 0xff,
+ [3] = 1 - 1,
+ [4] = DP_SET_POWER_D0,
+ };
+ int i;
+
+ BUILD_BUG_ON(sizeof(aux_msg) > 20);
+ for (i = 0; i < sizeof(aux_msg); i += 4)
+ intel_de_write(dev_priv,
+ psr_aux_data_reg(dev_priv, cpu_transcoder, i >> 2),
+ intel_dp_aux_pack(&aux_msg[i], sizeof(aux_msg) - i));
+
+ aux_clock_divider = intel_dp->get_aux_clock_divider(intel_dp, 0);
+
+ /* Start with bits set for DDI_AUX_CTL register */
+ aux_ctl = intel_dp->get_aux_send_ctl(intel_dp, sizeof(aux_msg),
+ aux_clock_divider);
+
+ /* Select only valid bits for SRD_AUX_CTL */
+ aux_ctl &= EDP_PSR_AUX_CTL_TIME_OUT_MASK |
+ EDP_PSR_AUX_CTL_MESSAGE_SIZE_MASK |
+ EDP_PSR_AUX_CTL_PRECHARGE_2US_MASK |
+ EDP_PSR_AUX_CTL_BIT_CLOCK_2X_MASK;
+
+ intel_de_write(dev_priv, psr_aux_ctl_reg(dev_priv, cpu_transcoder),
+ aux_ctl);
+}
+
static void intel_psr_enable_sink(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
@@ -419,7 +602,7 @@ static u32 intel_psr1_get_tp_time(struct intel_dp *intel_dp)
u32 val = 0;
if (DISPLAY_VER(dev_priv) >= 11)
- val |= EDP_PSR_TP4_TIME_0US;
+ val |= EDP_PSR_TP4_TIME_0us;
if (dev_priv->params.psr_safest_params) {
val |= EDP_PSR_TP1_TIME_2500us;
@@ -445,12 +628,21 @@ static u32 intel_psr1_get_tp_time(struct intel_dp *intel_dp)
else
val |= EDP_PSR_TP2_TP3_TIME_2500us;
+ /*
+ * WA 0479: hsw,bdw
+ * "Do not skip both TP1 and TP2/TP3"
+ */
+ if (DISPLAY_VER(dev_priv) < 9 &&
+ connector->panel.vbt.psr.tp1_wakeup_time_us == 0 &&
+ connector->panel.vbt.psr.tp2_tp3_wakeup_time_us == 0)
+ val |= EDP_PSR_TP2_TP3_TIME_100us;
+
check_tp3_sel:
if (intel_dp_source_supports_tps3(dev_priv) &&
drm_dp_tps3_supported(intel_dp->dpcd))
- val |= EDP_PSR_TP1_TP3_SEL;
+ val |= EDP_PSR_TP_TP1_TP3;
else
- val |= EDP_PSR_TP1_TP2_SEL;
+ val |= EDP_PSR_TP_TP1_TP2;
return val;
}
@@ -476,12 +668,13 @@ static u8 psr_compute_idle_frames(struct intel_dp *intel_dp)
static void hsw_activate_psr1(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
u32 max_sleep_time = 0x1f;
u32 val = EDP_PSR_ENABLE;
- val |= psr_compute_idle_frames(intel_dp) << EDP_PSR_IDLE_FRAME_SHIFT;
+ val |= EDP_PSR_IDLE_FRAMES(psr_compute_idle_frames(intel_dp));
- val |= max_sleep_time << EDP_PSR_MAX_SLEEP_TIME_SHIFT;
+ val |= EDP_PSR_MAX_SLEEP_TIME(max_sleep_time);
if (IS_HASWELL(dev_priv))
val |= EDP_PSR_MIN_LINK_ENTRY_TIME_8_LINES;
@@ -493,9 +686,8 @@ static void hsw_activate_psr1(struct intel_dp *intel_dp)
if (DISPLAY_VER(dev_priv) >= 8)
val |= EDP_PSR_CRC_ENABLE;
- val |= (intel_de_read(dev_priv, EDP_PSR_CTL(intel_dp->psr.transcoder)) &
- EDP_PSR_RESTORE_PSR_ACTIVE_CTX_MASK);
- intel_de_write(dev_priv, EDP_PSR_CTL(intel_dp->psr.transcoder), val);
+ intel_de_rmw(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder),
+ ~EDP_PSR_RESTORE_PSR_ACTIVE_CTX_MASK, val);
}
static u32 intel_psr2_get_tp_time(struct intel_dp *intel_dp)
@@ -534,9 +726,10 @@ static int psr2_block_count(struct intel_dp *intel_dp)
static void hsw_activate_psr2(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
u32 val = EDP_PSR2_ENABLE;
- val |= psr_compute_idle_frames(intel_dp) << EDP_PSR2_IDLE_FRAME_SHIFT;
+ val |= EDP_PSR2_IDLE_FRAMES(psr_compute_idle_frames(intel_dp));
if (DISPLAY_VER(dev_priv) <= 13 && !IS_ALDERLAKE_P(dev_priv))
val |= EDP_SU_TRACK_ENABLE;
@@ -555,7 +748,7 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
}
/* Wa_22012278275:adl-p */
- if (IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_E0)) {
+ if (IS_ALDERLAKE_P(dev_priv) && IS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_E0)) {
static const u8 map[] = {
2, /* 5 lines */
1, /* 6 lines */
@@ -570,15 +763,13 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
* Still using the default IO_BUFFER_WAKE and FAST_WAKE, see
* comments bellow for more information
*/
- u32 tmp;
+ int tmp;
tmp = map[intel_dp->psr.io_wake_lines - TGL_EDP_PSR2_IO_BUFFER_WAKE_MIN_LINES];
- tmp = tmp << TGL_EDP_PSR2_IO_BUFFER_WAKE_SHIFT;
- val |= tmp;
+ val |= TGL_EDP_PSR2_IO_BUFFER_WAKE(tmp + TGL_EDP_PSR2_IO_BUFFER_WAKE_MIN_LINES);
tmp = map[intel_dp->psr.fast_wake_lines - TGL_EDP_PSR2_FAST_WAKE_MIN_LINES];
- tmp = tmp << TGL_EDP_PSR2_FAST_WAKE_MIN_SHIFT;
- val |= tmp;
+ val |= TGL_EDP_PSR2_FAST_WAKE(tmp + TGL_EDP_PSR2_FAST_WAKE_MIN_LINES);
} else if (DISPLAY_VER(dev_priv) >= 12) {
val |= TGL_EDP_PSR2_IO_BUFFER_WAKE(intel_dp->psr.io_wake_lines);
val |= TGL_EDP_PSR2_FAST_WAKE(intel_dp->psr.fast_wake_lines);
@@ -593,31 +784,32 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
if (intel_dp->psr.psr2_sel_fetch_enabled) {
u32 tmp;
- tmp = intel_de_read(dev_priv, PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder));
+ tmp = intel_de_read(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder));
drm_WARN_ON(&dev_priv->drm, !(tmp & PSR2_MAN_TRK_CTL_ENABLE));
} else if (HAS_PSR2_SEL_FETCH(dev_priv)) {
- intel_de_write(dev_priv,
- PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder), 0);
+ intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder), 0);
}
/*
* PSR2 HW is incorrectly using EDP_PSR_TP1_TP3_SEL and BSpec is
* recommending keep this bit unset while PSR2 is enabled.
*/
- intel_de_write(dev_priv, EDP_PSR_CTL(intel_dp->psr.transcoder), 0);
+ intel_de_write(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder), 0);
- intel_de_write(dev_priv, EDP_PSR2_CTL(intel_dp->psr.transcoder), val);
+ intel_de_write(dev_priv, EDP_PSR2_CTL(cpu_transcoder), val);
}
static bool
-transcoder_has_psr2(struct drm_i915_private *dev_priv, enum transcoder trans)
+transcoder_has_psr2(struct drm_i915_private *dev_priv, enum transcoder cpu_transcoder)
{
if (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14)
- return trans == TRANSCODER_A || trans == TRANSCODER_B;
+ return cpu_transcoder == TRANSCODER_A || cpu_transcoder == TRANSCODER_B;
else if (DISPLAY_VER(dev_priv) >= 12)
- return trans == TRANSCODER_A;
+ return cpu_transcoder == TRANSCODER_A;
+ else if (DISPLAY_VER(dev_priv) >= 9)
+ return cpu_transcoder == TRANSCODER_EDP;
else
- return trans == TRANSCODER_EDP;
+ return false;
}
static u32 intel_get_frame_time_us(const struct intel_crtc_state *cstate)
@@ -633,10 +825,11 @@ static void psr2_program_idle_frames(struct intel_dp *intel_dp,
u32 idle_frames)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
- idle_frames <<= EDP_PSR2_IDLE_FRAME_SHIFT;
- intel_de_rmw(dev_priv, EDP_PSR2_CTL(intel_dp->psr.transcoder),
- EDP_PSR2_IDLE_FRAME_MASK, idle_frames);
+ intel_de_rmw(dev_priv, EDP_PSR2_CTL(cpu_transcoder),
+ EDP_PSR2_IDLE_FRAMES_MASK,
+ EDP_PSR2_IDLE_FRAMES(idle_frames));
}
static void tgl_psr2_enable_dc3co(struct intel_dp *intel_dp)
@@ -725,7 +918,7 @@ tgl_dc3co_exitline_compute_config(struct intel_dp *intel_dp,
return;
/* Wa_16011303918:adl-p */
- if (IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0))
+ if (IS_ALDERLAKE_P(dev_priv) && IS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0))
return;
/*
@@ -851,9 +1044,9 @@ static bool _compute_psr2_wake_times(struct intel_dp *intel_dp,
}
io_wake_lines = intel_usecs_to_scanlines(
- &crtc_state->uapi.adjusted_mode, io_wake_time);
+ &crtc_state->hw.adjusted_mode, io_wake_time);
fast_wake_lines = intel_usecs_to_scanlines(
- &crtc_state->uapi.adjusted_mode, fast_wake_time);
+ &crtc_state->hw.adjusted_mode, fast_wake_time);
if (io_wake_lines > max_wake_lines ||
fast_wake_lines > max_wake_lines)
@@ -881,7 +1074,7 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
return false;
/* JSL and EHL only supports eDP 1.3 */
- if (IS_JSL_EHL(dev_priv)) {
+ if (IS_JASPERLAKE(dev_priv) || IS_ELKHARTLAKE(dev_priv)) {
drm_dbg_kms(&dev_priv->drm, "PSR2 not supported by phy\n");
return false;
}
@@ -893,7 +1086,7 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
return false;
}
- if (IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) {
+ if (IS_ALDERLAKE_P(dev_priv) && IS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) {
drm_dbg_kms(&dev_priv->drm, "PSR2 not completely functional in this stepping\n");
return false;
}
@@ -951,7 +1144,7 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
/* Wa_16011303918:adl-p */
if (crtc_state->vrr.enable &&
- IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) {
+ IS_ALDERLAKE_P(dev_priv) && IS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) {
drm_dbg_kms(&dev_priv->drm,
"PSR2 not enabled, not compatible with HW stepping + VRR\n");
return false;
@@ -1074,6 +1267,7 @@ void intel_psr_get_config(struct intel_encoder *encoder,
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
+ enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
struct intel_dp *intel_dp;
u32 val;
@@ -1100,15 +1294,14 @@ void intel_psr_get_config(struct intel_encoder *encoder,
goto unlock;
if (HAS_PSR2_SEL_FETCH(dev_priv)) {
- val = intel_de_read(dev_priv, PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder));
+ val = intel_de_read(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder));
if (val & PSR2_MAN_TRK_CTL_ENABLE)
pipe_config->enable_psr2_sel_fetch = true;
}
if (DISPLAY_VER(dev_priv) >= 12) {
- val = intel_de_read(dev_priv, TRANS_EXITLINE(intel_dp->psr.transcoder));
- val &= EXITLINE_MASK;
- pipe_config->dc3co_exitline = val;
+ val = intel_de_read(dev_priv, TRANS_EXITLINE(cpu_transcoder));
+ pipe_config->dc3co_exitline = REG_FIELD_GET(EXITLINE_MASK, val);
}
unlock:
mutex_unlock(&intel_dp->psr.lock);
@@ -1117,15 +1310,17 @@ unlock:
static void intel_psr_activate(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
- enum transcoder transcoder = intel_dp->psr.transcoder;
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
- if (transcoder_has_psr2(dev_priv, transcoder))
- drm_WARN_ON(&dev_priv->drm,
- intel_de_read(dev_priv, EDP_PSR2_CTL(transcoder)) & EDP_PSR2_ENABLE);
+ drm_WARN_ON(&dev_priv->drm,
+ transcoder_has_psr2(dev_priv, cpu_transcoder) &&
+ intel_de_read(dev_priv, EDP_PSR2_CTL(cpu_transcoder)) & EDP_PSR2_ENABLE);
drm_WARN_ON(&dev_priv->drm,
- intel_de_read(dev_priv, EDP_PSR_CTL(transcoder)) & EDP_PSR_ENABLE);
+ intel_de_read(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder)) & EDP_PSR_ENABLE);
+
drm_WARN_ON(&dev_priv->drm, intel_dp->psr.active);
+
lockdep_assert_held(&intel_dp->psr.lock);
/* psr1 and psr2 are mutually exclusive.*/
@@ -1190,6 +1385,13 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
u32 mask;
/*
+ * Only HSW and BDW have PSR AUX registers that need to be setup.
+ * SKL+ use hardcoded values PSR AUX transactions
+ */
+ if (DISPLAY_VER(dev_priv) < 9)
+ hsw_psr_setup_aux(intel_dp);
+
+ /*
* Per Spec: Avoid continuous PSR exit by masking MEMUP and HPD also
* mask LPSP to avoid dependency on other drivers that might block
* runtime_pm besides preventing other hw tracking issues now we
@@ -1200,11 +1402,18 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
EDP_PSR_DEBUG_MASK_LPSP |
EDP_PSR_DEBUG_MASK_MAX_SLEEP;
- if (DISPLAY_VER(dev_priv) < 11)
+ /*
+ * No separate pipe reg write mask on hsw/bdw, so have to unmask all
+ * registers in order to keep the CURSURFLIVE tricks working :(
+ */
+ if (IS_DISPLAY_VER(dev_priv, 9, 10))
mask |= EDP_PSR_DEBUG_MASK_DISP_REG_WRITE;
- intel_de_write(dev_priv, EDP_PSR_DEBUG(intel_dp->psr.transcoder),
- mask);
+ /* allow PSR with sprite enabled */
+ if (IS_HASWELL(dev_priv))
+ mask |= EDP_PSR_DEBUG_MASK_SPRITE_ENABLE;
+
+ intel_de_write(dev_priv, psr_debug_reg(dev_priv, cpu_transcoder), mask);
psr_irq_control(intel_dp);
@@ -1259,6 +1468,7 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
static bool psr_interrupt_error_check(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
u32 val;
/*
@@ -1269,11 +1479,7 @@ static bool psr_interrupt_error_check(struct intel_dp *intel_dp)
* first time that PSR HW tries to activate so lets keep PSR disabled
* to avoid any rendering problems.
*/
- if (DISPLAY_VER(dev_priv) >= 12)
- val = intel_de_read(dev_priv,
- TRANS_PSR_IIR(intel_dp->psr.transcoder));
- else
- val = intel_de_read(dev_priv, EDP_PSR_IIR);
+ val = intel_de_read(dev_priv, psr_iir_reg(dev_priv, cpu_transcoder));
val &= psr_irq_psr_error_bit_get(intel_dp);
if (val) {
intel_dp->psr.sink_not_reliable = true;
@@ -1327,17 +1533,16 @@ static void intel_psr_enable_locked(struct intel_dp *intel_dp,
static void intel_psr_exit(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
u32 val;
if (!intel_dp->psr.active) {
- if (transcoder_has_psr2(dev_priv, intel_dp->psr.transcoder)) {
- val = intel_de_read(dev_priv,
- EDP_PSR2_CTL(intel_dp->psr.transcoder));
+ if (transcoder_has_psr2(dev_priv, cpu_transcoder)) {
+ val = intel_de_read(dev_priv, EDP_PSR2_CTL(cpu_transcoder));
drm_WARN_ON(&dev_priv->drm, val & EDP_PSR2_ENABLE);
}
- val = intel_de_read(dev_priv,
- EDP_PSR_CTL(intel_dp->psr.transcoder));
+ val = intel_de_read(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder));
drm_WARN_ON(&dev_priv->drm, val & EDP_PSR_ENABLE);
return;
@@ -1345,19 +1550,16 @@ static void intel_psr_exit(struct intel_dp *intel_dp)
if (intel_dp->psr.psr2_enabled) {
tgl_disallow_dc3co_on_psr2_exit(intel_dp);
- val = intel_de_read(dev_priv,
- EDP_PSR2_CTL(intel_dp->psr.transcoder));
+
+ val = intel_de_rmw(dev_priv, EDP_PSR2_CTL(cpu_transcoder),
+ EDP_PSR2_ENABLE, 0);
+
drm_WARN_ON(&dev_priv->drm, !(val & EDP_PSR2_ENABLE));
- val &= ~EDP_PSR2_ENABLE;
- intel_de_write(dev_priv,
- EDP_PSR2_CTL(intel_dp->psr.transcoder), val);
} else {
- val = intel_de_read(dev_priv,
- EDP_PSR_CTL(intel_dp->psr.transcoder));
+ val = intel_de_rmw(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder),
+ EDP_PSR_ENABLE, 0);
+
drm_WARN_ON(&dev_priv->drm, !(val & EDP_PSR_ENABLE));
- val &= ~EDP_PSR_ENABLE;
- intel_de_write(dev_priv,
- EDP_PSR_CTL(intel_dp->psr.transcoder), val);
}
intel_dp->psr.active = false;
}
@@ -1365,14 +1567,15 @@ static void intel_psr_exit(struct intel_dp *intel_dp)
static void intel_psr_wait_exit_locked(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
i915_reg_t psr_status;
u32 psr_status_mask;
if (intel_dp->psr.psr2_enabled) {
- psr_status = EDP_PSR2_STATUS(intel_dp->psr.transcoder);
+ psr_status = EDP_PSR2_STATUS(cpu_transcoder);
psr_status_mask = EDP_PSR2_STATUS_STATE_MASK;
} else {
- psr_status = EDP_PSR_STATUS(intel_dp->psr.transcoder);
+ psr_status = psr_status_reg(dev_priv, cpu_transcoder);
psr_status_mask = EDP_PSR_STATUS_STATE_MASK;
}
@@ -1385,6 +1588,7 @@ static void intel_psr_wait_exit_locked(struct intel_dp *intel_dp)
static void intel_psr_disable_locked(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
enum phy phy = intel_port_to_phy(dev_priv,
dp_to_dig_port(intel_dp)->base.port);
@@ -1411,7 +1615,7 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp)
/* Wa_16012604467:adlp,mtl[a0,b0] */
if (IS_MTL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0))
intel_de_rmw(dev_priv,
- MTL_CLKGATE_DIS_TRANS(intel_dp->psr.transcoder),
+ MTL_CLKGATE_DIS_TRANS(cpu_transcoder),
MTL_CLKGATE_DIS_TRANS_DMASC_GATING_DIS, 0);
else if (IS_ALDERLAKE_P(dev_priv))
intel_de_rmw(dev_priv, CLKGATE_DIS_MISC,
@@ -1548,10 +1752,11 @@ static u32 man_trk_ctl_continuos_full_frame(struct drm_i915_private *dev_priv)
static void psr_force_hw_tracking_exit(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
if (intel_dp->psr.psr2_sel_fetch_enabled)
intel_de_write(dev_priv,
- PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder),
+ PSR2_MAN_TRK_CTL(cpu_transcoder),
man_trk_ctl_enable_bit_get(dev_priv) |
man_trk_ctl_partial_frame_bit_get(dev_priv) |
man_trk_ctl_single_full_frame_bit_get(dev_priv) |
@@ -1651,6 +1856,7 @@ void intel_psr2_program_plane_sel_fetch_noarm(struct intel_plane *plane,
void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
+ enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
struct intel_encoder *encoder;
if (!crtc_state->enable_psr2_sel_fetch)
@@ -1666,7 +1872,7 @@ void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_st
break;
}
- intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(crtc_state->cpu_transcoder),
+ intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder),
crtc_state->psr2_man_track_ctl);
}
@@ -2045,6 +2251,7 @@ void intel_psr_post_plane_update(const struct intel_atomic_state *state)
static int _psr2_ready_for_pipe_update_locked(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
/*
* Any state lower than EDP_PSR2_STATUS_STATE_DEEP_SLEEP is enough.
@@ -2052,13 +2259,14 @@ static int _psr2_ready_for_pipe_update_locked(struct intel_dp *intel_dp)
* EDP_PSR2_STATUS_STATE_DEEP_SLEEP to be cleared.
*/
return intel_de_wait_for_clear(dev_priv,
- EDP_PSR2_STATUS(intel_dp->psr.transcoder),
+ EDP_PSR2_STATUS(cpu_transcoder),
EDP_PSR2_STATUS_STATE_DEEP_SLEEP, 50);
}
static int _psr1_ready_for_pipe_update_locked(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
/*
* From bspec: Panel Self Refresh (BDW+)
@@ -2067,7 +2275,7 @@ static int _psr1_ready_for_pipe_update_locked(struct intel_dp *intel_dp)
* defensive enough to cover everything.
*/
return intel_de_wait_for_clear(dev_priv,
- EDP_PSR_STATUS(intel_dp->psr.transcoder),
+ psr_status_reg(dev_priv, cpu_transcoder),
EDP_PSR_STATUS_STATE_MASK, 50);
}
@@ -2109,6 +2317,7 @@ void intel_psr_wait_for_idle_locked(const struct intel_crtc_state *new_crtc_stat
static bool __psr_wait_for_idle_locked(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
i915_reg_t reg;
u32 mask;
int err;
@@ -2117,10 +2326,10 @@ static bool __psr_wait_for_idle_locked(struct intel_dp *intel_dp)
return false;
if (intel_dp->psr.psr2_enabled) {
- reg = EDP_PSR2_STATUS(intel_dp->psr.transcoder);
+ reg = EDP_PSR2_STATUS(cpu_transcoder);
mask = EDP_PSR2_STATUS_STATE_MASK;
} else {
- reg = EDP_PSR_STATUS(intel_dp->psr.transcoder);
+ reg = psr_status_reg(dev_priv, cpu_transcoder);
mask = EDP_PSR_STATUS_STATE_MASK;
}
@@ -2149,10 +2358,11 @@ static int intel_psr_fastset_force(struct drm_i915_private *dev_priv)
return -ENOMEM;
drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
+
state->acquire_ctx = &ctx;
+ to_intel_atomic_state(state)->internal = true;
retry:
-
drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
drm_for_each_connector_iter(conn, &conn_iter) {
struct drm_connector_state *conn_state;
@@ -2281,6 +2491,7 @@ unlock:
static void _psr_invalidate_handle(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
if (intel_dp->psr.psr2_sel_fetch_enabled) {
u32 val;
@@ -2294,7 +2505,7 @@ static void _psr_invalidate_handle(struct intel_dp *intel_dp)
val = man_trk_ctl_enable_bit_get(dev_priv) |
man_trk_ctl_partial_frame_bit_get(dev_priv) |
man_trk_ctl_continuos_full_frame(dev_priv);
- intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder), val);
+ intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder), val);
intel_de_write(dev_priv, CURSURFLIVE(intel_dp->psr.pipe), 0);
intel_dp->psr.psr2_sel_fetch_cff_enabled = true;
} else {
@@ -2353,6 +2564,8 @@ static void
tgl_dc3co_flush_locked(struct intel_dp *intel_dp, unsigned int frontbuffer_bits,
enum fb_op_origin origin)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
if (!intel_dp->psr.dc3co_exitline || !intel_dp->psr.psr2_enabled ||
!intel_dp->psr.active)
return;
@@ -2366,13 +2579,14 @@ tgl_dc3co_flush_locked(struct intel_dp *intel_dp, unsigned int frontbuffer_bits,
return;
tgl_psr2_enable_dc3co(intel_dp);
- mod_delayed_work(system_wq, &intel_dp->psr.dc3co_work,
+ mod_delayed_work(i915->unordered_wq, &intel_dp->psr.dc3co_work,
intel_dp->psr.dc3co_exit_delay);
}
static void _psr_flush_handle(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
if (intel_dp->psr.psr2_sel_fetch_enabled) {
if (intel_dp->psr.psr2_sel_fetch_cff_enabled) {
@@ -2389,7 +2603,7 @@ static void _psr_flush_handle(struct intel_dp *intel_dp)
* SU configuration in case update is sent for any reason after
* sff bit gets cleared by the HW on next vblank.
*/
- intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder),
+ intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder),
val);
intel_de_write(dev_priv, CURSURFLIVE(intel_dp->psr.pipe), 0);
intel_dp->psr.psr2_sel_fetch_cff_enabled = false;
@@ -2405,7 +2619,7 @@ static void _psr_flush_handle(struct intel_dp *intel_dp)
psr_force_hw_tracking_exit(intel_dp);
if (!intel_dp->psr.active && !intel_dp->psr.busy_frontbuffer_bits)
- schedule_work(&intel_dp->psr.work);
+ queue_work(dev_priv->unordered_wq, &intel_dp->psr.work);
}
}
@@ -2702,6 +2916,7 @@ static void
psr_source_status(struct intel_dp *intel_dp, struct seq_file *m)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
const char *status = "unknown";
u32 val, status_val;
@@ -2719,8 +2934,7 @@ psr_source_status(struct intel_dp *intel_dp, struct seq_file *m)
"BUF_ON",
"TG_ON"
};
- val = intel_de_read(dev_priv,
- EDP_PSR2_STATUS(intel_dp->psr.transcoder));
+ val = intel_de_read(dev_priv, EDP_PSR2_STATUS(cpu_transcoder));
status_val = REG_FIELD_GET(EDP_PSR2_STATUS_STATE_MASK, val);
if (status_val < ARRAY_SIZE(live_status))
status = live_status[status_val];
@@ -2735,10 +2949,8 @@ psr_source_status(struct intel_dp *intel_dp, struct seq_file *m)
"SRDOFFACK",
"SRDENT_ON",
};
- val = intel_de_read(dev_priv,
- EDP_PSR_STATUS(intel_dp->psr.transcoder));
- status_val = (val & EDP_PSR_STATUS_STATE_MASK) >>
- EDP_PSR_STATUS_STATE_SHIFT;
+ val = intel_de_read(dev_priv, psr_status_reg(dev_priv, cpu_transcoder));
+ status_val = REG_FIELD_GET(EDP_PSR_STATUS_STATE_MASK, val);
if (status_val < ARRAY_SIZE(live_status))
status = live_status[status_val];
}
@@ -2749,6 +2961,7 @@ psr_source_status(struct intel_dp *intel_dp, struct seq_file *m)
static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
struct intel_psr *psr = &intel_dp->psr;
intel_wakeref_t wakeref;
const char *status;
@@ -2780,12 +2993,10 @@ static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp)
}
if (psr->psr2_enabled) {
- val = intel_de_read(dev_priv,
- EDP_PSR2_CTL(intel_dp->psr.transcoder));
+ val = intel_de_read(dev_priv, EDP_PSR2_CTL(cpu_transcoder));
enabled = val & EDP_PSR2_ENABLE;
} else {
- val = intel_de_read(dev_priv,
- EDP_PSR_CTL(intel_dp->psr.transcoder));
+ val = intel_de_read(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder));
enabled = val & EDP_PSR_ENABLE;
}
seq_printf(m, "Source PSR ctl: %s [0x%08x]\n",
@@ -2797,12 +3008,9 @@ static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp)
/*
* SKL+ Perf counter is reset to 0 everytime DC state is entered
*/
- if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
- val = intel_de_read(dev_priv,
- EDP_PSR_PERF_CNT(intel_dp->psr.transcoder));
- val &= EDP_PSR_PERF_CNT_MASK;
- seq_printf(m, "Performance counter: %u\n", val);
- }
+ val = intel_de_read(dev_priv, psr_perf_cnt_reg(dev_priv, cpu_transcoder));
+ seq_printf(m, "Performance counter: %u\n",
+ REG_FIELD_GET(EDP_PSR_PERF_CNT_MASK, val));
if (psr->debug & I915_PSR_DEBUG_IRQ) {
seq_printf(m, "Last attempted entry at: %lld\n",
@@ -2819,8 +3027,7 @@ static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp)
* frame boundary between register reads
*/
for (frame = 0; frame < PSR2_SU_STATUS_FRAMES; frame += 3) {
- val = intel_de_read(dev_priv,
- PSR2_SU_STATUS(intel_dp->psr.transcoder, frame));
+ val = intel_de_read(dev_priv, PSR2_SU_STATUS(cpu_transcoder, frame));
su_frames_val[frame / 3] = val;
}