Commit d3cf9fa6 authored by Martin Leung's avatar Martin Leung Committed by Alex Deucher
Browse files

drm/amd/display: Skip powerstate DC hw access if virtual dal 



[Why]
On baco-enabled systems running virtual dal, can get set power
state when hw is not initialized

[How]
Skip DC hw part of setPowerState when hw not available

Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarMartin Leung <martin.leung@amd.com>
Reviewed-by: default avatarAric Cyr <Aric.Cyr@amd.com>
Acked-by: default avatarEryk Brol <eryk.brol@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ffe5650a

drivers/gpu/drm/amd/display/dc/core/dc.c

+3 −0
Original line number Diff line number Diff line
@@ -2969,6 +2969,9 @@ void dc_set_power_state( 
	struct kref refcount;

	struct display_mode_lib *dml;



	if (!dc->current_state)

		return;



	switch (power_state) {

	case DC_ACPI_CM_POWER_STATE_D0:

		dc_resource_state_construct(dc, dc->current_state);