diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c | 731 |
1 files changed, 385 insertions, 346 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c index 78e6beb6cf26..8f8a2abac3f3 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c @@ -26,19 +26,19 @@ #include "dce_clocks.h" #include "dm_services.h" #include "reg_helper.h" -#include "fixed32_32.h" +#include "fixed31_32.h" #include "bios_parser_interface.h" #include "dc.h" #include "dmcu.h" -#if defined(CONFIG_DRM_AMD_DC_DCN1_0) +#ifdef CONFIG_X86 #include "dcn_calcs.h" #endif #include "core_types.h" #include "dc_types.h" - +#include "dal_asic_id.h" #define TO_DCE_CLOCKS(clocks)\ - container_of(clocks, struct dce_disp_clk, base) + container_of(clocks, struct dce_dccg, base) #define REG(reg) \ (clk_dce->regs->reg) @@ -101,99 +101,78 @@ static const struct state_dependent_clocks dce120_max_clks_by_state[] = { /*ClocksStatePerformance*/ { .display_clk_khz = 1133000, .pixel_clk_khz = 600000 } }; -/* Starting point for each divider range.*/ -enum dce_divider_range_start { - DIVIDER_RANGE_01_START = 200, /* 2.00*/ - DIVIDER_RANGE_02_START = 1600, /* 16.00*/ - DIVIDER_RANGE_03_START = 3200, /* 32.00*/ - DIVIDER_RANGE_SCALE_FACTOR = 100 /* Results are scaled up by 100.*/ -}; - -/* Ranges for divider identifiers (Divider ID or DID) - mmDENTIST_DISPCLK_CNTL.DENTIST_DISPCLK_WDIVIDER*/ -enum dce_divider_id_register_setting { - DIVIDER_RANGE_01_BASE_DIVIDER_ID = 0X08, - DIVIDER_RANGE_02_BASE_DIVIDER_ID = 0X40, - DIVIDER_RANGE_03_BASE_DIVIDER_ID = 0X60, - DIVIDER_RANGE_MAX_DIVIDER_ID = 0X80 +/* Starting DID for each range */ +enum dentist_base_divider_id { + DENTIST_BASE_DID_1 = 0x08, + DENTIST_BASE_DID_2 = 0x40, + DENTIST_BASE_DID_3 = 0x60, + DENTIST_MAX_DID = 0x80 }; -/* Step size between each divider within a range. - Incrementing the DENTIST_DISPCLK_WDIVIDER by one - will increment the divider by this much.*/ -enum dce_divider_range_step_size { - DIVIDER_RANGE_01_STEP_SIZE = 25, /* 0.25*/ - DIVIDER_RANGE_02_STEP_SIZE = 50, /* 0.50*/ - DIVIDER_RANGE_03_STEP_SIZE = 100 /* 1.00 */ +/* Starting point and step size for each divider range.*/ +enum dentist_divider_range { + DENTIST_DIVIDER_RANGE_1_START = 8, /* 2.00 */ + DENTIST_DIVIDER_RANGE_1_STEP = 1, /* 0.25 */ + DENTIST_DIVIDER_RANGE_2_START = 64, /* 16.00 */ + DENTIST_DIVIDER_RANGE_2_STEP = 2, /* 0.50 */ + DENTIST_DIVIDER_RANGE_3_START = 128, /* 32.00 */ + DENTIST_DIVIDER_RANGE_3_STEP = 4, /* 1.00 */ + DENTIST_DIVIDER_RANGE_SCALE_FACTOR = 4 }; -static bool dce_divider_range_construct( - struct dce_divider_range *div_range, - int range_start, - int range_step, - int did_min, - int did_max) +static int dentist_get_divider_from_did(int did) { - div_range->div_range_start = range_start; - div_range->div_range_step = range_step; - div_range->did_min = did_min; - div_range->did_max = did_max; - - if (div_range->div_range_step == 0) { - div_range->div_range_step = 1; - /*div_range_step cannot be zero*/ - BREAK_TO_DEBUGGER(); + if (did < DENTIST_BASE_DID_1) + did = DENTIST_BASE_DID_1; + if (did > DENTIST_MAX_DID) + did = DENTIST_MAX_DID; + + if (did < DENTIST_BASE_DID_2) { + return DENTIST_DIVIDER_RANGE_1_START + DENTIST_DIVIDER_RANGE_1_STEP + * (did - DENTIST_BASE_DID_1); + } else if (did < DENTIST_BASE_DID_3) { + return DENTIST_DIVIDER_RANGE_2_START + DENTIST_DIVIDER_RANGE_2_STEP + * (did - DENTIST_BASE_DID_2); + } else { + return DENTIST_DIVIDER_RANGE_3_START + DENTIST_DIVIDER_RANGE_3_STEP + * (did - DENTIST_BASE_DID_3); } - /* Calculate this based on the other inputs.*/ - /* See DividerRange.h for explanation of */ - /* the relationship between divider id (DID) and a divider.*/ - /* Number of Divider IDs = (Maximum Divider ID - Minimum Divider ID)*/ - /* Maximum divider identified in this range = - * (Number of Divider IDs)*Step size between dividers - * + The start of this range.*/ - div_range->div_range_end = (did_max - did_min) * range_step - + range_start; - return true; -} - -static int dce_divider_range_calc_divider( - struct dce_divider_range *div_range, - int did) -{ - /* Is this DID within our range?*/ - if ((did < div_range->did_min) || (did >= div_range->did_max)) - return INVALID_DIVIDER; - - return ((did - div_range->did_min) * div_range->div_range_step) - + div_range->div_range_start; - } -static int dce_divider_range_get_divider( - struct dce_divider_range *div_range, - int ranges_num, - int did) +/* SW will adjust DP REF Clock average value for all purposes + * (DP DTO / DP Audio DTO and DP GTC) + if clock is spread for all cases: + -if SS enabled on DP Ref clock and HW de-spreading enabled with SW + calculations for DS_INCR/DS_MODULO (this is planned to be default case) + -if SS enabled on DP Ref clock and HW de-spreading enabled with HW + calculations (not planned to be used, but average clock should still + be valid) + -if SS enabled on DP Ref clock and HW de-spreading disabled + (should not be case with CIK) then SW should program all rates + generated according to average value (case as with previous ASICs) + */ +static int dccg_adjust_dp_ref_freq_for_ss(struct dce_dccg *clk_dce, int dp_ref_clk_khz) { - int div = INVALID_DIVIDER; - int i; - - for (i = 0; i < ranges_num; i++) { - /* Calculate divider with given divider ID*/ - div = dce_divider_range_calc_divider(&div_range[i], did); - /* Found a valid return divider*/ - if (div != INVALID_DIVIDER) - break; + if (clk_dce->ss_on_dprefclk && clk_dce->dprefclk_ss_divider != 0) { + struct fixed31_32 ss_percentage = dc_fixpt_div_int( + dc_fixpt_from_fraction(clk_dce->dprefclk_ss_percentage, + clk_dce->dprefclk_ss_divider), 200); + struct fixed31_32 adj_dp_ref_clk_khz; + + ss_percentage = dc_fixpt_sub(dc_fixpt_one, ss_percentage); + adj_dp_ref_clk_khz = dc_fixpt_mul_int(ss_percentage, dp_ref_clk_khz); + dp_ref_clk_khz = dc_fixpt_floor(adj_dp_ref_clk_khz); } - return div; + return dp_ref_clk_khz; } -static int dce_clocks_get_dp_ref_freq(struct display_clock *clk) +static int dce_get_dp_ref_freq_khz(struct dccg *clk) { - struct dce_disp_clk *clk_dce = TO_DCE_CLOCKS(clk); + struct dce_dccg *clk_dce = TO_DCE_CLOCKS(clk); int dprefclk_wdivider; int dprefclk_src_sel; int dp_ref_clk_khz = 600000; - int target_div = INVALID_DIVIDER; + int target_div; /* ASSERT DP Reference Clock source is from DFS*/ REG_GET(DPREFCLK_CNTL, DPREFCLK_SRC_SEL, &dprefclk_src_sel); @@ -204,80 +183,27 @@ static int dce_clocks_get_dp_ref_freq(struct display_clock *clk) REG_GET(DENTIST_DISPCLK_CNTL, DENTIST_DPREFCLK_WDIVIDER, &dprefclk_wdivider); /* Convert DENTIST_DPREFCLK_WDIVIDERto actual divider*/ - target_div = dce_divider_range_get_divider( - clk_dce->divider_ranges, - DIVIDER_RANGE_MAX, - dprefclk_wdivider); - - if (target_div != INVALID_DIVIDER) { - /* Calculate the current DFS clock, in kHz.*/ - dp_ref_clk_khz = (DIVIDER_RANGE_SCALE_FACTOR - * clk_dce->dentist_vco_freq_khz) / target_div; - } + target_div = dentist_get_divider_from_did(dprefclk_wdivider); - /* SW will adjust DP REF Clock average value for all purposes - * (DP DTO / DP Audio DTO and DP GTC) - if clock is spread for all cases: - -if SS enabled on DP Ref clock and HW de-spreading enabled with SW - calculations for DS_INCR/DS_MODULO (this is planned to be default case) - -if SS enabled on DP Ref clock and HW de-spreading enabled with HW - calculations (not planned to be used, but average clock should still - be valid) - -if SS enabled on DP Ref clock and HW de-spreading disabled - (should not be case with CIK) then SW should program all rates - generated according to average value (case as with previous ASICs) - */ - if (clk_dce->ss_on_dprefclk && clk_dce->dprefclk_ss_divider != 0) { - struct fixed32_32 ss_percentage = dal_fixed32_32_div_int( - dal_fixed32_32_from_fraction( - clk_dce->dprefclk_ss_percentage, - clk_dce->dprefclk_ss_divider), 200); - struct fixed32_32 adj_dp_ref_clk_khz; - - ss_percentage = dal_fixed32_32_sub(dal_fixed32_32_one, - ss_percentage); - adj_dp_ref_clk_khz = - dal_fixed32_32_mul_int( - ss_percentage, - dp_ref_clk_khz); - dp_ref_clk_khz = dal_fixed32_32_floor(adj_dp_ref_clk_khz); - } + /* Calculate the current DFS clock, in kHz.*/ + dp_ref_clk_khz = (DENTIST_DIVIDER_RANGE_SCALE_FACTOR + * clk_dce->dentist_vco_freq_khz) / target_div; - return dp_ref_clk_khz; + return dccg_adjust_dp_ref_freq_for_ss(clk_dce, dp_ref_clk_khz); } -/* TODO: This is DCN DPREFCLK: it could be program by DENTIST by VBIOS - * or CLK0_CLK11 by SMU. For DCE120, it is wlays 600Mhz. Will re-visit - * clock implementation - */ -static int dce_clocks_get_dp_ref_freq_wrkaround(struct display_clock *clk) +static int dce12_get_dp_ref_freq_khz(struct dccg *clk) { - struct dce_disp_clk *clk_dce = TO_DCE_CLOCKS(clk); - int dp_ref_clk_khz = 600000; - - if (clk_dce->ss_on_dprefclk && clk_dce->dprefclk_ss_divider != 0) { - struct fixed32_32 ss_percentage = dal_fixed32_32_div_int( - dal_fixed32_32_from_fraction( - clk_dce->dprefclk_ss_percentage, - clk_dce->dprefclk_ss_divider), 200); - struct fixed32_32 adj_dp_ref_clk_khz; - - ss_percentage = dal_fixed32_32_sub(dal_fixed32_32_one, - ss_percentage); - adj_dp_ref_clk_khz = - dal_fixed32_32_mul_int( - ss_percentage, - dp_ref_clk_khz); - dp_ref_clk_khz = dal_fixed32_32_floor(adj_dp_ref_clk_khz); - } + struct dce_dccg *clk_dce = TO_DCE_CLOCKS(clk); - return dp_ref_clk_khz; + return dccg_adjust_dp_ref_freq_for_ss(clk_dce, 600000); } + static enum dm_pp_clocks_state dce_get_required_clocks_state( - struct display_clock *clk, - struct state_dependent_clocks *req_clocks) + struct dccg *clk, + struct dc_clocks *req_clocks) { - struct dce_disp_clk *clk_dce = TO_DCE_CLOCKS(clk); + struct dce_dccg *clk_dce = TO_DCE_CLOCKS(clk); int i; enum dm_pp_clocks_state low_req_clk; @@ -286,53 +212,30 @@ static enum dm_pp_clocks_state dce_get_required_clocks_state( * all required clocks */ for (i = clk->max_clks_state; i >= DM_PP_CLOCKS_STATE_ULTRA_LOW; i--) - if (req_clocks->display_clk_khz > + if (req_clocks->dispclk_khz > clk_dce->max_clks_by_state[i].display_clk_khz - || req_clocks->pixel_clk_khz > + || req_clocks->phyclk_khz > clk_dce->max_clks_by_state[i].pixel_clk_khz) break; low_req_clk = i + 1; if (low_req_clk > clk->max_clks_state) { - DC_LOG_WARNING("%s: clocks unsupported disp_clk %d pix_clk %d", - __func__, - req_clocks->display_clk_khz, - req_clocks->pixel_clk_khz); - low_req_clk = DM_PP_CLOCKS_STATE_INVALID; + /* set max clock state for high phyclock, invalid on exceeding display clock */ + if (clk_dce->max_clks_by_state[clk->max_clks_state].display_clk_khz + < req_clocks->dispclk_khz) + low_req_clk = DM_PP_CLOCKS_STATE_INVALID; + else + low_req_clk = clk->max_clks_state; } return low_req_clk; } -static bool dce_clock_set_min_clocks_state( - struct display_clock *clk, - enum dm_pp_clocks_state clocks_state) -{ - struct dm_pp_power_level_change_request level_change_req = { - clocks_state }; - - if (clocks_state > clk->max_clks_state) { - /*Requested state exceeds max supported state.*/ - DC_LOG_WARNING("Requested state exceeds max supported state"); - return false; - } else if (clocks_state == clk->cur_min_clks_state) { - /*if we're trying to set the same state, we can just return - * since nothing needs to be done*/ - return true; - } - - /* get max clock state from PPLIB */ - if (dm_pp_apply_power_level_change_request(clk->ctx, &level_change_req)) - clk->cur_min_clks_state = clocks_state; - - return true; -} - static int dce_set_clock( - struct display_clock *clk, + struct dccg *clk, int requested_clk_khz) { - struct dce_disp_clk *clk_dce = TO_DCE_CLOCKS(clk); + struct dce_dccg *clk_dce = TO_DCE_CLOCKS(clk); struct bp_pixel_clock_parameters pxl_clk_params = { 0 }; struct dc_bios *bp = clk->ctx->dc_bios; int actual_clock = requested_clk_khz; @@ -364,10 +267,10 @@ static int dce_set_clock( } static int dce_psr_set_clock( - struct display_clock *clk, + struct dccg *clk, int requested_clk_khz) { - struct dce_disp_clk *clk_dce = TO_DCE_CLOCKS(clk); + struct dce_dccg *clk_dce = TO_DCE_CLOCKS(clk); struct dc_context *ctx = clk_dce->base.ctx; struct dc *core_dc = ctx->dc; struct dmcu *dmcu = core_dc->res_pool->dmcu; @@ -380,10 +283,10 @@ static int dce_psr_set_clock( } static int dce112_set_clock( - struct display_clock *clk, + struct dccg *clk, int requested_clk_khz) { - struct dce_disp_clk *clk_dce = TO_DCE_CLOCKS(clk); + struct dce_dccg *clk_dce = TO_DCE_CLOCKS(clk); struct bp_set_dce_clock_parameters dce_clk_params; struct dc_bios *bp = clk->ctx->dc_bios; struct dc *core_dc = clk->ctx->dc; @@ -413,9 +316,12 @@ static int dce112_set_clock( /*VBIOS will determine DPREFCLK frequency, so we don't set it*/ dce_clk_params.target_clock_frequency = 0; dce_clk_params.clock_type = DCECLOCK_TYPE_DPREFCLK; - dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK = + if (!ASICREV_IS_VEGA20_P(clk->ctx->asic_id.hw_internal_rev)) + dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK = (dce_clk_params.pll_id == CLOCK_SOURCE_COMBO_DISPLAY_PLL0); + else + dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK = false; bp->funcs->set_dce_clock(bp, &dce_clk_params); @@ -429,7 +335,7 @@ static int dce112_set_clock( return actual_clock; } -static void dce_clock_read_integrated_info(struct dce_disp_clk *clk_dce) +static void dce_clock_read_integrated_info(struct dce_dccg *clk_dce) { struct dc_debug *debug = &clk_dce->base.ctx->dc->debug; struct dc_bios *bp = clk_dce->base.ctx->dc_bios; @@ -485,11 +391,9 @@ static void dce_clock_read_integrated_info(struct dce_disp_clk *clk_dce) if (!debug->disable_dfs_bypass && bp->integrated_info) if (bp->integrated_info->gpu_cap_info & DFS_BYPASS_ENABLE) clk_dce->dfs_bypass_enabled = true; - - clk_dce->use_max_disp_clk = debug->max_disp_clk; } -static void dce_clock_read_ss_info(struct dce_disp_clk *clk_dce) +static void dce_clock_read_ss_info(struct dce_dccg *clk_dce) { struct dc_bios *bp = clk_dce->base.ctx->dc_bios; int ss_info_num = bp->funcs->get_ss_entry_number( @@ -545,139 +449,263 @@ static void dce_clock_read_ss_info(struct dce_disp_clk *clk_dce) } } -static bool dce_apply_clock_voltage_request( - struct display_clock *clk, - enum dm_pp_clock_type clocks_type, - int clocks_in_khz, - bool pre_mode_set, - bool update_dp_phyclk) +static inline bool should_set_clock(bool safe_to_lower, int calc_clk, int cur_clk) +{ + return ((safe_to_lower && calc_clk < cur_clk) || calc_clk > cur_clk); +} + +static void dce12_update_clocks(struct dccg *dccg, + struct dc_clocks *new_clocks, + bool safe_to_lower) { - bool send_request = false; struct dm_pp_clock_for_voltage_req clock_voltage_req = {0}; - switch (clocks_type) { - case DM_PP_CLOCK_TYPE_DISPLAY_CLK: - case DM_PP_CLOCK_TYPE_PIXELCLK: - case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK: - break; - default: - BREAK_TO_DEBUGGER(); - return false; + if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, dccg->clks.dispclk_khz)) { + clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DISPLAY_CLK; + clock_voltage_req.clocks_in_khz = new_clocks->dispclk_khz; + dccg->funcs->set_dispclk(dccg, new_clocks->dispclk_khz); + dccg->clks.dispclk_khz = new_clocks->dispclk_khz; + + dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); } - clock_voltage_req.clk_type = clocks_type; - clock_voltage_req.clocks_in_khz = clocks_in_khz; - - /* to pplib */ - if (pre_mode_set) { - switch (clocks_type) { - case DM_PP_CLOCK_TYPE_DISPLAY_CLK: - if (clocks_in_khz > clk->cur_clocks_value.dispclk_in_khz) { - clk->cur_clocks_value.dispclk_notify_pplib_done = true; - send_request = true; - } else - clk->cur_clocks_value.dispclk_notify_pplib_done = false; - /* no matter incrase or decrase clock, update current clock value */ - clk->cur_clocks_value.dispclk_in_khz = clocks_in_khz; - break; - case DM_PP_CLOCK_TYPE_PIXELCLK: - if (clocks_in_khz > clk->cur_clocks_value.max_pixelclk_in_khz) { - clk->cur_clocks_value.pixelclk_notify_pplib_done = true; - send_request = true; - } else - clk->cur_clocks_value.pixelclk_notify_pplib_done = false; - /* no matter incrase or decrase clock, update current clock value */ - clk->cur_clocks_value.max_pixelclk_in_khz = clocks_in_khz; - break; - case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK: - if (clocks_in_khz > clk->cur_clocks_value.max_non_dp_phyclk_in_khz) { - clk->cur_clocks_value.phyclk_notigy_pplib_done = true; - send_request = true; - } else - clk->cur_clocks_value.phyclk_notigy_pplib_done = false; - /* no matter incrase or decrase clock, update current clock value */ - clk->cur_clocks_value.max_non_dp_phyclk_in_khz = clocks_in_khz; - break; - default: - ASSERT(0); - break; - } + if (should_set_clock(safe_to_lower, new_clocks->phyclk_khz, dccg->clks.phyclk_khz)) { + clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DISPLAYPHYCLK; + clock_voltage_req.clocks_in_khz = new_clocks->phyclk_khz; + dccg->clks.phyclk_khz = new_clocks->phyclk_khz; + + dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); + } +} + +#ifdef CONFIG_X86 +static int dcn1_determine_dppclk_threshold(struct dccg *dccg, struct dc_clocks *new_clocks) +{ + bool request_dpp_div = new_clocks->dispclk_khz > new_clocks->dppclk_khz; + bool dispclk_increase = new_clocks->dispclk_khz > dccg->clks.dispclk_khz; + int disp_clk_threshold = new_clocks->max_supported_dppclk_khz; + bool cur_dpp_div = dccg->clks.dispclk_khz > dccg->clks.dppclk_khz; + + /* increase clock, looking for div is 0 for current, request div is 1*/ + if (dispclk_increase) { + /* already divided by 2, no need to reach target clk with 2 steps*/ + if (cur_dpp_div) + return new_clocks->dispclk_khz; + + /* request disp clk is lower than maximum supported dpp clk, + * no need to reach target clk with two steps. + */ + if (new_clocks->dispclk_khz <= disp_clk_threshold) + return new_clocks->dispclk_khz; + + /* target dpp clk not request divided by 2, still within threshold */ + if (!request_dpp_div) + return new_clocks->dispclk_khz; } else { - switch (clocks_type) { - case DM_PP_CLOCK_TYPE_DISPLAY_CLK: - if (!clk->cur_clocks_value.dispclk_notify_pplib_done) - send_request = true; - break; - case DM_PP_CLOCK_TYPE_PIXELCLK: - if (!clk->cur_clocks_value.pixelclk_notify_pplib_done) - send_request = true; - break; - case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK: - if (!clk->cur_clocks_value.phyclk_notigy_pplib_done) - send_request = true; - break; - default: - ASSERT(0); - break; - } + /* decrease clock, looking for current dppclk divided by 2, + * request dppclk not divided by 2. + */ + + /* current dpp clk not divided by 2, no need to ramp*/ + if (!cur_dpp_div) + return new_clocks->dispclk_khz; + + /* current disp clk is lower than current maximum dpp clk, + * no need to ramp + */ + if (dccg->clks.dispclk_khz <= disp_clk_threshold) + return new_clocks->dispclk_khz; + + /* request dpp clk need to be divided by 2 */ + if (request_dpp_div) + return new_clocks->dispclk_khz; } - if (send_request) { -#if defined(CONFIG_DRM_AMD_DC_DCN1_0) - if (clk->ctx->dce_version >= DCN_VERSION_1_0) { - struct dc *core_dc = clk->ctx->dc; - /*use dcfclk request voltage*/ - clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DCFCLK; - clock_voltage_req.clocks_in_khz = - dcn_find_dcfclk_suits_all(core_dc, &clk->cur_clocks_value); - } + + return disp_clk_threshold; +} + +static void dcn1_ramp_up_dispclk_with_dpp(struct dccg *dccg, struct dc_clocks *new_clocks) +{ + struct dc *dc = dccg->ctx->dc; + int dispclk_to_dpp_threshold = dcn1_determine_dppclk_threshold(dccg, new_clocks); + bool request_dpp_div = new_clocks->dispclk_khz > new_clocks->dppclk_khz; + int i; + + /* set disp clk to dpp clk threshold */ + dccg->funcs->set_dispclk(dccg, dispclk_to_dpp_threshold); + + /* update request dpp clk division option */ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (!pipe_ctx->plane_state) + continue; + + pipe_ctx->plane_res.dpp->funcs->dpp_dppclk_control( + pipe_ctx->plane_res.dpp, + request_dpp_div, + true); + } + + /* If target clk not same as dppclk threshold, set to target clock */ + if (dispclk_to_dpp_threshold != new_clocks->dispclk_khz) + dccg->funcs->set_dispclk(dccg, new_clocks->dispclk_khz); + + dccg->clks.dispclk_khz = new_clocks->dispclk_khz; + dccg->clks.dppclk_khz = new_clocks->dppclk_khz; + dccg->clks.max_supported_dppclk_khz = new_clocks->max_supported_dppclk_khz; +} + +static void dcn1_update_clocks(struct dccg *dccg, + struct dc_clocks *new_clocks, + bool safe_to_lower) +{ + struct dc *dc = dccg->ctx->dc; + struct pp_smu_display_requirement_rv *smu_req_cur = + &dc->res_pool->pp_smu_req; + struct pp_smu_display_requirement_rv smu_req = *smu_req_cur; + struct pp_smu_funcs_rv *pp_smu = dc->res_pool->pp_smu; + struct dm_pp_clock_for_voltage_req clock_voltage_req = {0}; + bool send_request_to_increase = false; + bool send_request_to_lower = false; + + if (new_clocks->phyclk_khz) + smu_req.display_count = 1; + else + smu_req.display_count = 0; + + if (new_clocks->dispclk_khz > dccg->clks.dispclk_khz + || new_clocks->phyclk_khz > dccg->clks.phyclk_khz + || new_clocks->fclk_khz > dccg->clks.fclk_khz + || new_clocks->dcfclk_khz > dccg->clks.dcfclk_khz) + send_request_to_increase = true; + + if (should_set_clock(safe_to_lower, new_clocks->phyclk_khz, dccg->clks.phyclk_khz)) { + dccg->clks.phyclk_khz = new_clocks->phyclk_khz; + + send_request_to_lower = true; + } + + if (should_set_clock(safe_to_lower, new_clocks->fclk_khz, dccg->clks.fclk_khz)) { + dccg->clks.fclk_khz = new_clocks->fclk_khz; + clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_FCLK; + clock_voltage_req.clocks_in_khz = new_clocks->fclk_khz; + smu_req.hard_min_fclk_khz = new_clocks->fclk_khz; + + dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); + send_request_to_lower = true; + } + + if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, dccg->clks.dcfclk_khz)) { + dccg->clks.dcfclk_khz = new_clocks->dcfclk_khz; + smu_req.hard_min_dcefclk_khz = new_clocks->dcfclk_khz; + + send_request_to_lower = true; + } + + if (should_set_clock(safe_to_lower, + new_clocks->dcfclk_deep_sleep_khz, dccg->clks.dcfclk_deep_sleep_khz)) { + dccg->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz; + smu_req.min_deep_sleep_dcefclk_mhz = new_clocks->dcfclk_deep_sleep_khz; + + send_request_to_lower = true; + } + + /* make sure dcf clk is before dpp clk to + * make sure we have enough voltage to run dpp clk + */ + if (send_request_to_increase) { + /*use dcfclk to request voltage*/ + clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DCFCLK; + clock_voltage_req.clocks_in_khz = dcn_find_dcfclk_suits_all(dc, new_clocks); + dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); + if (pp_smu->set_display_requirement) + pp_smu->set_display_requirement(&pp_smu->pp_smu, &smu_req); + } + + /* dcn1 dppclk is tied to dispclk */ + if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, dccg->clks.dispclk_khz)) { + dcn1_ramp_up_dispclk_with_dpp(dccg, new_clocks); + dccg->clks.dispclk_khz = new_clocks->dispclk_khz; + + send_request_to_lower = true; + } + + if (!send_request_to_increase && send_request_to_lower) { + /*use dcfclk to request voltage*/ + clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DCFCLK; + clock_voltage_req.clocks_in_khz = dcn_find_dcfclk_suits_all(dc, new_clocks); + dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req); + if (pp_smu->set_display_requirement) + pp_smu->set_display_requirement(&pp_smu->pp_smu, &smu_req); + } + + + *smu_req_cur = smu_req; +} #endif - dm_pp_apply_clock_for_voltage_request( - clk->ctx, &clock_voltage_req); + +static void dce_update_clocks(struct dccg *dccg, + struct dc_clocks *new_clocks, + bool safe_to_lower) +{ + struct dm_pp_power_level_change_request level_change_req; + + level_change_req.power_level = dce_get_required_clocks_state(dccg, new_clocks); + /* get max clock state from PPLIB */ + if ((level_change_req.power_level < dccg->cur_min_clks_state && safe_to_lower) + || level_change_req.power_level > dccg->cur_min_clks_state) { + if (dm_pp_apply_power_level_change_request(dccg->ctx, &level_change_req)) + dccg->cur_min_clks_state = level_change_req.power_level; } - if (update_dp_phyclk && (clocks_in_khz > - clk->cur_clocks_value.max_dp_phyclk_in_khz)) - clk->cur_clocks_value.max_dp_phyclk_in_khz = clocks_in_khz; - return true; + if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, dccg->clks.dispclk_khz)) { + dccg->funcs->set_dispclk(dccg, new_clocks->dispclk_khz); + dccg->clks.dispclk_khz = new_clocks->dispclk_khz; + } } +#ifdef CONFIG_X86 +static const struct display_clock_funcs dcn1_funcs = { + .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, + .set_dispclk = dce112_set_clock, + .update_clocks = dcn1_update_clocks +}; +#endif static const struct display_clock_funcs dce120_funcs = { - .get_dp_ref_clk_frequency = dce_clocks_get_dp_ref_freq_wrkaround, - .apply_clock_voltage_request = dce_apply_clock_voltage_request, - .set_clock = dce112_set_clock + .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, + .set_dispclk = dce112_set_clock, + .update_clocks = dce12_update_clocks }; static const struct display_clock_funcs dce112_funcs = { - .get_dp_ref_clk_frequency = dce_clocks_get_dp_ref_freq, - .get_required_clocks_state = dce_get_required_clocks_state, - .set_min_clocks_state = dce_clock_set_min_clocks_state, - .set_clock = dce112_set_clock + .get_dp_ref_clk_frequency = dce_get_dp_ref_freq_khz, + .set_dispclk = dce112_set_clock, + .update_clocks = dce_update_clocks }; static const struct display_clock_funcs dce110_funcs = { - .get_dp_ref_clk_frequency = dce_clocks_get_dp_ref_freq, - .get_required_clocks_state = dce_get_required_clocks_state, - .set_min_clocks_state = dce_clock_set_min_clocks_state, - .set_clock = dce_psr_set_clock + .get_dp_ref_clk_frequency = dce_get_dp_ref_freq_khz, + .set_dispclk = dce_psr_set_clock, + .update_clocks = dce_update_clocks }; static const struct display_clock_funcs dce_funcs = { - .get_dp_ref_clk_frequency = dce_clocks_get_dp_ref_freq, - .get_required_clocks_state = dce_get_required_clocks_state, - .set_min_clocks_state = dce_clock_set_min_clocks_state, - .set_clock = dce_set_clock + .get_dp_ref_clk_frequency = dce_get_dp_ref_freq_khz, + .set_dispclk = dce_set_clock, + .update_clocks = dce_update_clocks }; -static void dce_disp_clk_construct( - struct dce_disp_clk *clk_dce, +static void dce_dccg_construct( + struct dce_dccg *clk_dce, struct dc_context *ctx, - const struct dce_disp_clk_registers *regs, - const struct dce_disp_clk_shift *clk_shift, - const struct dce_disp_clk_mask *clk_mask) + const struct dccg_registers *regs, + const struct dccg_shift *clk_shift, + const struct dccg_mask *clk_mask) { - struct display_clock *base = &clk_dce->base; + struct dccg *base = &clk_dce->base; base->ctx = ctx; base->funcs = &dce_funcs; @@ -697,34 +725,15 @@ static void dce_disp_clk_construct( dce_clock_read_integrated_info(clk_dce); dce_clock_read_ss_info(clk_dce); - - dce_divider_range_construct( - &clk_dce->divider_ranges[DIVIDER_RANGE_01], - DIVIDER_RANGE_01_START, - DIVIDER_RANGE_01_STEP_SIZE, - DIVIDER_RANGE_01_BASE_DIVIDER_ID, - DIVIDER_RANGE_02_BASE_DIVIDER_ID); - dce_divider_range_construct( - &clk_dce->divider_ranges[DIVIDER_RANGE_02], - DIVIDER_RANGE_02_START, - DIVIDER_RANGE_02_STEP_SIZE, - DIVIDER_RANGE_02_BASE_DIVIDER_ID, - DIVIDER_RANGE_03_BASE_DIVIDER_ID); - dce_divider_range_construct( - &clk_dce->divider_ranges[DIVIDER_RANGE_03], - DIVIDER_RANGE_03_START, - DIVIDER_RANGE_03_STEP_SIZE, - DIVIDER_RANGE_03_BASE_DIVIDER_ID, - DIVIDER_RANGE_MAX_DIVIDER_ID); } -struct display_clock *dce_disp_clk_create( +struct dccg *dce_dccg_create( struct dc_context *ctx, - const struct dce_disp_clk_registers *regs, - const struct dce_disp_clk_shift *clk_shift, - const struct dce_disp_clk_mask *clk_mask) + const struct dccg_registers *regs, + const struct dccg_shift *clk_shift, + const struct dccg_mask *clk_mask) { - struct dce_disp_clk *clk_dce = kzalloc(sizeof(*clk_dce), GFP_KERNEL); + struct dce_dccg *clk_dce = kzalloc(sizeof(*clk_dce), GFP_KERNEL); if (clk_dce == NULL) { BREAK_TO_DEBUGGER(); @@ -735,19 +744,19 @@ struct display_clock *dce_disp_clk_create( dce80_max_clks_by_state, sizeof(dce80_max_clks_by_state)); - dce_disp_clk_construct( + dce_dccg_construct( clk_dce, ctx, regs, clk_shift, clk_mask); return &clk_dce->base; } -struct display_clock *dce110_disp_clk_create( +struct dccg *dce110_dccg_create( struct dc_context *ctx, - const struct dce_disp_clk_registers *regs, - const struct dce_disp_clk_shift *clk_shift, - const struct dce_disp_clk_mask *clk_mask) + const struct dccg_registers *regs, + const struct dccg_shift *clk_shift, + const struct dccg_mask *clk_mask) { - struct dce_disp_clk *clk_dce = kzalloc(sizeof(*clk_dce), GFP_KERNEL); + struct dce_dccg *clk_dce = kzalloc(sizeof(*clk_dce), GFP_KERNEL); if (clk_dce == NULL) { BREAK_TO_DEBUGGER(); @@ -758,7 +767,7 @@ struct display_clock *dce110_disp_clk_create( dce110_max_clks_by_state, sizeof(dce110_max_clks_by_state)); - dce_disp_clk_construct( + dce_dccg_construct( clk_dce, ctx, regs, clk_shift, clk_mask); clk_dce->base.funcs = &dce110_funcs; @@ -766,13 +775,13 @@ struct display_clock *dce110_disp_clk_create( return &clk_dce->base; } -struct display_clock *dce112_disp_clk_create( +struct dccg *dce112_dccg_create( struct dc_context *ctx, - const struct dce_disp_clk_registers *regs, - const struct dce_disp_clk_shift *clk_shift, - const struct dce_disp_clk_mask *clk_mask) + const struct dccg_registers *regs, + const struct dccg_shift *clk_shift, + const struct dccg_mask *clk_mask) { - struct dce_disp_clk *clk_dce = kzalloc(sizeof(*clk_dce), GFP_KERNEL); + struct dce_dccg *clk_dce = kzalloc(sizeof(*clk_dce), GFP_KERNEL); if (clk_dce == NULL) { BREAK_TO_DEBUGGER(); @@ -783,7 +792,7 @@ struct display_clock *dce112_disp_clk_create( dce112_max_clks_by_state, sizeof(dce112_max_clks_by_state)); - dce_disp_clk_construct( + dce_dccg_construct( clk_dce, ctx, regs, clk_shift, clk_mask); clk_dce->base.funcs = &dce112_funcs; @@ -791,10 +800,9 @@ struct display_clock *dce112_disp_clk_create( return &clk_dce->base; } -struct display_clock *dce120_disp_clk_create(struct dc_context *ctx) +struct dccg *dce120_dccg_create(struct dc_context *ctx) { - struct dce_disp_clk *clk_dce = kzalloc(sizeof(*clk_dce), GFP_KERNEL); - struct dm_pp_clock_levels_with_voltage clk_level_info = {0}; + struct dce_dccg *clk_dce = kzalloc(sizeof(*clk_dce), GFP_KERNEL); if (clk_dce == NULL) { BREAK_TO_DEBUGGER(); @@ -805,28 +813,59 @@ struct display_clock *dce120_disp_clk_create(struct dc_context *ctx) dce120_max_clks_by_state, sizeof(dce120_max_clks_by_state)); - dce_disp_clk_construct( + dce_dccg_construct( clk_dce, ctx, NULL, NULL, NULL); clk_dce->base.funcs = &dce120_funcs; - /* new in dce120 */ - if (!ctx->dc->debug.disable_pplib_clock_request && - dm_pp_get_clock_levels_by_type_with_voltage( - ctx, DM_PP_CLOCK_TYPE_DISPLAY_CLK, &clk_level_info) - && clk_level_info.num_levels) - clk_dce->max_displ_clk_in_khz = - clk_level_info.data[clk_level_info.num_levels - 1].clocks_in_khz; - else - clk_dce->max_displ_clk_in_khz = 1133000; + return &clk_dce->base; +} + +#ifdef CONFIG_X86 +struct dccg *dcn1_dccg_create(struct dc_context *ctx) +{ + struct dc_debug *debug = &ctx->dc->debug; + struct dc_bios *bp = ctx->dc_bios; + struct dc_firmware_info fw_info = { { 0 } }; + struct dce_dccg *clk_dce = kzalloc(sizeof(*clk_dce), GFP_KERNEL); + + if (clk_dce == NULL) { + BREAK_TO_DEBUGGER(); + return NULL; + } + + clk_dce->base.ctx = ctx; + clk_dce->base.funcs = &dcn1_funcs; + + clk_dce->dfs_bypass_disp_clk = 0; + + clk_dce->dprefclk_ss_percentage = 0; + clk_dce->dprefclk_ss_divider = 1000; + clk_dce->ss_on_dprefclk = false; + + if (bp->integrated_info) + clk_dce->dentist_vco_freq_khz = bp->integrated_info->dentist_vco_freq; + if (clk_dce->dentist_vco_freq_khz == 0) { + bp->funcs->get_firmware_info(bp, &fw_info); + clk_dce->dentist_vco_freq_khz = fw_info.smu_gpu_pll_output_freq; + if (clk_dce->dentist_vco_freq_khz == 0) + clk_dce->dentist_vco_freq_khz = 3600000; + } + + if (!debug->disable_dfs_bypass && bp->integrated_info) + if (bp->integrated_info->gpu_cap_info & DFS_BYPASS_ENABLE) + clk_dce->dfs_bypass_enabled = true; + + dce_clock_read_ss_info(clk_dce); return &clk_dce->base; } +#endif -void dce_disp_clk_destroy(struct display_clock **disp_clk) +void dce_dccg_destroy(struct dccg **dccg) { - struct dce_disp_clk *clk_dce = TO_DCE_CLOCKS(*disp_clk); + struct dce_dccg *clk_dce = TO_DCE_CLOCKS(*dccg); kfree(clk_dce); - *disp_clk = NULL; + *dccg = NULL; } |