From: Charlene Liu <[email protected]>
Signed-off-by: Charlene Liu <[email protected]>
Reviewed-by: Tony Cheng <[email protected]>
Acked-by: Harry Wentland <[email protected]>
---
drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
index f663adb33584..48e21ead3142 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
@@ -521,6 +521,9 @@ static void dcn10_dmcu_set_psr_enable(struct dmcu *dmcu,
bool enable, bool wait)
if (dmcu->dmcu_state != DMCU_RUNNING)
return;
+ dcn10_get_dmcu_psr_state(dmcu, &psr_state);
+ if (psr_state == 0 && !enable)
+ return;
/* waitDMCUReadyForCmd */
REG_WAIT(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 0,
dmcu_wait_reg_ready_interval,
--
2.14.1
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