Commit ba8e5977 authored by Bindu Ramamurthy's avatar Bindu Ramamurthy Committed by Alex Deucher
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drm/amd/display: Allow bandwidth validation for 0 streams. 



[Why]
Bandwidth calculations are triggered for non zero streams, and
in case of 0 streams, these calculations were skipped with
pstate status not being updated.

[How]
As the pstate status is applicable for non zero streams, check
added for allowing 0 streams inline with dcn internal bandwidth
validations.

Signed-off-by: default avatarBindu Ramamurthy <bindu.r@amd.com>
Reviewed-by: default avatarRoman Li <Roman.Li@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8124c8a6

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c

+1 −1
Original line number Diff line number Diff line
@@ -3236,7 +3236,7 @@ static noinline bool dcn20_validate_bandwidth_fp(struct dc *dc, 
	voltage_supported = dcn20_validate_bandwidth_internal(dc, context, false);

	dummy_pstate_supported = context->bw_ctx.bw.dcn.clk.p_state_change_support;



	if (voltage_supported && dummy_pstate_supported) {

	if (voltage_supported && (dummy_pstate_supported || !(context->stream_count))) {

		context->bw_ctx.bw.dcn.clk.p_state_change_support = false;

		goto restore_dml_state;

	}