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| author | Roman Li <Roman.Li@amd.com> | 2018-11-27 17:16:37 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-11-29 14:42:28 -0500 |
| commit | 8b955e00d4a56a36763e9349a78483515560a3ca (patch) | |
| tree | 5e489b74a6c80674a01cca7e7b47d675103a1e7d /drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c | |
| parent | b3f4bdda998be6018b76f46b852313ae74db5606 (diff) | |
| download | linux-8b955e00d4a56a36763e9349a78483515560a3ca.tar.gz linux-8b955e00d4a56a36763e9349a78483515560a3ca.tar.bz2 linux-8b955e00d4a56a36763e9349a78483515560a3ca.zip | |
drm/amd/display: Fix 6x4K displays light-up on Vega20
[Why]
More than 4x4K didn't lightup on Vega20 due to low dcfclk value.
Powerplay expects valid min requirement for dcfclk from DC.
[How]
Update min_dcfclock_khz based on min_engine_clock value.
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c index 56f598567f0b..bd22f51813bf 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c @@ -591,6 +591,8 @@ static void dce11_pplib_apply_display_requirements( dc, context->bw.dce.sclk_khz); + pp_display_cfg->min_dcfclock_khz = pp_display_cfg->min_engine_clock_khz; + pp_display_cfg->min_engine_clock_deep_sleep_khz = context->bw.dce.sclk_deep_sleep_khz; |