Commit a243e38e authored by Nicholas Kazlauskas's avatar Nicholas Kazlauskas Committed by Alex Deucher
Browse files

drm/amd/display: Skip querying caps when DMCUB emulation is in use 



[Why]
Workaround to avoid accessing DMCUB state too early if the emulator
is in use - we don't support any of the features the caps are querying
with emulation anyway.

[How]
Guard the query if emulation is in use.

Reviewed-by: default avatarCharlene Liu <charlene.liu@amd.com>
Acked-by: default avatarAlan Liu <haoping.liu@amd.com>
Signed-off-by: default avatarNicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent bf27f5de

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

+3 −0
Original line number Diff line number Diff line
@@ -381,6 +381,9 @@ void dc_dmub_srv_query_caps_cmd(struct dc_dmub_srv *dc_dmub_srv) 
{

	union dmub_rb_cmd cmd = { 0 };



	if (dc_dmub_srv->ctx->dc->debug.dmcub_emulation)

		return;



	memset(&cmd, 0, sizeof(cmd));



	/* Prepare fw command */