diff options
| author | Sung Joon Kim <sungkim@amd.com> | 2023-12-06 14:52:30 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-12-13 15:09:54 -0500 |
| commit | fdb0ad2ff7c84bda30bfe3b8f90abd1f8d8788a0 (patch) | |
| tree | a75e8dfc17d70a0fb5c47a989623bfecb234db8a /drivers/gpu/drm/amd/display/dc/dce | |
| parent | bbc42960f9b68e548403e57b2cfd6e93e684864f (diff) | |
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: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Sung Joon Kim <sungkim@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c index 930fd929e93a..8c5e7f858be3 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c @@ -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); } |