diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_abm.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_aux.c | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c index da30ae04e82b..555bbaa0665f 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c @@ -72,6 +72,9 @@ static bool dce_abm_set_pipe(struct abm *abm, uint32_t controller_id) /* notifyDMCUMsg */ REG_UPDATE(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 1); + REG_WAIT(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 0, + 1, 80000); + return true; } diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c index bd33c47183fc..850b78af9fe6 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c @@ -380,7 +380,7 @@ static bool acquire( { enum gpio_result result; - if (!is_engine_available(engine)) + if ((engine == NULL) || !is_engine_available(engine)) return false; result = dal_ddc_open(ddc, GPIO_MODE_HARDWARE, |