Commit fdb0ad2f authored by Sung Joon Kim's avatar Sung Joon Kim Committed by Alex Deucher
Browse files

drm/amd/display: Exit from idle state before accessing HW data 



[why & how]
User interface cannot guarantee system is in
idle state, so need to ensure we exit idle state
before accessing any HW data.

Reviewed-by: default avatarNicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: default avatarSung Joon Kim <sungkim@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent bbc42960

drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c

+4 −0
Original line number Diff line number Diff line
@@ -64,11 +64,15 @@ static void dmub_abm_init_ex(struct abm *abm, uint32_t backlight) 


static unsigned int dmub_abm_get_current_backlight_ex(struct abm *abm)

{

	dc_allow_idle_optimizations(abm->ctx->dc, false);



	return dmub_abm_get_current_backlight(abm);

}



static unsigned int dmub_abm_get_target_backlight_ex(struct abm *abm)

{

	dc_allow_idle_optimizations(abm->ctx->dc, false);



	return dmub_abm_get_target_backlight(abm);

}