From: Charlene Liu <charlene.liu@xxxxxxx> Signed-off-by: Charlene Liu <charlene.liu at amd.com> Reviewed-by: Tony Cheng <Tony.Cheng at amd.com> Acked-by: Harry Wentland <harry.wentland at amd.com> --- 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
