diff options
| author | Alvin Lee <alvin.lee2@amd.com> | 2023-11-07 23:01:49 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-11-29 23:58:56 +0100 |
| commit | 9be601135ba8ac69880c01606c82140f2dde105e (patch) | |
| tree | a00616c6f2917a5c74adddb0db7de549d3bb52f9 /drivers/gpu | |
| parent | drm/amd/display: Fix MPCC 1DLUT programming (diff) | |
| download | linux-9be601135ba8ac69880c01606c82140f2dde105e.tar.xz linux-9be601135ba8ac69880c01606c82140f2dde105e.zip | |
drm/amd/display: Use DRAM speed from validation for dummy p-state
[Description]
When choosing which dummy p-state latency to use, we
need to use the DRAM speed from validation. The DRAMSpeed
DML variable can change because we use different input
params to DML when populating watermarks set B.
Cc: stable@vger.kernel.org # 6.1+
Reviewed-by: Samson Tam <samson.tam@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c index 44b0666e53b0..b46cde525066 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -2235,6 +2235,7 @@ void dcn32_calculate_wm_and_dlg_fpu(struct dc *dc, struct dc_state *context, int i, pipe_idx, vlevel_temp = 0; double dcfclk = dcn3_2_soc.clock_limits[0].dcfclk_mhz; double dcfclk_from_validation = context->bw_ctx.dml.vba.DCFCLKState[vlevel][context->bw_ctx.dml.vba.maxMpcComb]; + double dram_speed_from_validation = context->bw_ctx.dml.vba.DRAMSpeed; double dcfclk_from_fw_based_mclk_switching = dcfclk_from_validation; bool pstate_en = context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb] != dm_dram_clock_change_unsupported; @@ -2422,7 +2423,7 @@ void dcn32_calculate_wm_and_dlg_fpu(struct dc *dc, struct dc_state *context, } if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].valid) { - min_dram_speed_mts = context->bw_ctx.dml.vba.DRAMSpeed; + min_dram_speed_mts = dram_speed_from_validation; min_dram_speed_mts_margin = 160; context->bw_ctx.dml.soc.dram_clock_change_latency_us = |