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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>
This commit is contained in:
Rodrigo Siqueira 2023-04-03 14:10:27 -06:00 committed by Alex Deucher
parent 764ba43d34
commit ef3d74aa7e
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
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@ -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;