diff options
| author | Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> | 2023-04-03 22:10:27 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-04-18 22:28:50 +0200 |
| commit | ef3d74aa7e5d0ba4e9fc00f1409652e29f46fc59 (patch) | |
| tree | a94ebd4fdc262a6001d71eacb354f8389b180c58 /drivers/gpu | |
| parent | drm/amd/display: Update bouding box values for DCN32 (diff) | |
| download | linux-ef3d74aa7e5d0ba4e9fc00f1409652e29f46fc59.tar.xz linux-ef3d74aa7e5d0ba4e9fc00f1409652e29f46fc59.zip | |
drm/amd/display: Add missing mclk update
When using FPO, there is some misconfiguration that happens for the lack
of configuration of the MCLK switch in some circumstances. This commit
adds the required field update when using the MCLK switch.
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@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 | 5 |
1 files changed, 5 insertions, 0 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 f0037cb43dca..23a972f2885f 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 @@ -1331,6 +1331,11 @@ static void dcn32_calculate_dlg_params(struct dc *dc, struct dc_state *context, context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb] != dm_dram_clock_change_unsupported; + /* Pstate change might not be supported by hardware, but it might be + * possible with firmware driven vertical blank stretching. + */ + context->bw_ctx.bw.dcn.clk.p_state_change_support |= context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching; + context->bw_ctx.bw.dcn.clk.dppclk_khz = 0; context->bw_ctx.bw.dcn.clk.dtbclk_en = is_dtbclk_required(dc, context); context->bw_ctx.bw.dcn.clk.ref_dtbclk_khz = context->bw_ctx.dml.vba.DTBCLKPerState[vlevel] * 1000; |