diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 21:00:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 21:00:37 +0000 |
commit | 94ac2ab3fff96814d7460a27a0e9d004abbd4128 (patch) | |
tree | 9a4eb8cc234b540b0f4b93363109cdd37a20540b /drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c | |
parent | Adding debian version 6.8.12-1. (diff) | |
download | linux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.tar.xz linux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.zip |
Merging upstream version 6.9.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c index 39c63565ba..e506e4f969 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c @@ -257,10 +257,8 @@ void dcn32_init_clocks(struct clk_mgr *clk_mgr_base) /* Get UCLK, update bounding box */ clk_mgr_base->funcs->get_memclk_states_from_smu(clk_mgr_base); - DC_FP_START(); /* WM range table */ dcn32_build_wm_range_table(clk_mgr); - DC_FP_END(); } static void dcn32_update_clocks_update_dtb_dto(struct clk_mgr_internal *clk_mgr, @@ -401,7 +399,15 @@ static void dcn32_update_clocks_update_dentist( uint32_t temp_dispclk_khz = (DENTIST_DIVIDER_RANGE_SCALE_FACTOR * clk_mgr->base.dentist_vco_freq_khz) / temp_disp_divider; if (clk_mgr->smu_present) - dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DISPCLK, khz_to_mhz_ceil(temp_dispclk_khz)); + /* + * SMU uses discrete dispclk presets. We applied + * the same formula to increase our dppclk_khz + * to the next matching discrete value. By + * contract, we should use the preset dispclk + * floored in Mhz to describe the intended clock. + */ + dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DISPCLK, + khz_to_mhz_floor(temp_dispclk_khz)); if (dc->debug.override_dispclk_programming) { REG_GET(DENTIST_DISPCLK_CNTL, @@ -440,7 +446,15 @@ static void dcn32_update_clocks_update_dentist( /* do requested DISPCLK updates*/ if (clk_mgr->smu_present) - dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DISPCLK, khz_to_mhz_ceil(clk_mgr->base.clks.dispclk_khz)); + /* + * SMU uses discrete dispclk presets. We applied + * the same formula to increase our dppclk_khz + * to the next matching discrete value. By + * contract, we should use the preset dispclk + * floored in Mhz to describe the intended clock. + */ + dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DISPCLK, + khz_to_mhz_floor(clk_mgr->base.clks.dispclk_khz)); if (dc->debug.override_dispclk_programming) { REG_GET(DENTIST_DISPCLK_CNTL, @@ -507,6 +521,8 @@ static void dcn32_auto_dpm_test_log( } } + msleep(5); + mall_ss_size_bytes = context->bw_ctx.bw.dcn.mall_ss_size_bytes; dispclk_khz_reg = REG_READ(CLK1_CLK0_CURRENT_CNT); // DISPCLK @@ -757,7 +773,15 @@ static void dcn32_update_clocks(struct clk_mgr *clk_mgr_base, clk_mgr_base->clks.dppclk_khz = new_clocks->dppclk_khz; if (clk_mgr->smu_present && !dpp_clock_lowered) - dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DPPCLK, khz_to_mhz_ceil(clk_mgr_base->clks.dppclk_khz)); + /* + * SMU uses discrete dppclk presets. We applied + * the same formula to increase our dppclk_khz + * to the next matching discrete value. By + * contract, we should use the preset dppclk + * floored in Mhz to describe the intended clock. + */ + dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DPPCLK, + khz_to_mhz_floor(clk_mgr_base->clks.dppclk_khz)); update_dppclk = true; } @@ -788,7 +812,15 @@ static void dcn32_update_clocks(struct clk_mgr *clk_mgr_base, dcn32_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); dcn32_update_clocks_update_dentist(clk_mgr, context); if (clk_mgr->smu_present) - dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DPPCLK, khz_to_mhz_ceil(clk_mgr_base->clks.dppclk_khz)); + /* + * SMU uses discrete dppclk presets. We applied + * the same formula to increase our dppclk_khz + * to the next matching discrete value. By + * contract, we should use the preset dppclk + * floored in Mhz to describe the intended clock. + */ + dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DPPCLK, + khz_to_mhz_floor(clk_mgr_base->clks.dppclk_khz)); } else { /* if clock is being raised, increase refclk before lowering DTO */ if (update_dppclk || update_dispclk) @@ -806,7 +838,7 @@ static void dcn32_update_clocks(struct clk_mgr *clk_mgr_base, dmcu->funcs->set_psr_wait_loop(dmcu, clk_mgr_base->clks.dispclk_khz / 1000 / 7); - if (dc->config.enable_auto_dpm_test_logs) { + if (dc->config.enable_auto_dpm_test_logs && safe_to_lower) { dcn32_auto_dpm_test_log(new_clocks, clk_mgr, context); } } |