diff mbox series

[v4,1/3] drm/msm/dpu: make "vblank timeout" more useful

Message ID 20240226-fd-dpu-debug-timeout-v4-1-51eec83dde23@linaro.org
State Accepted
Commit f1d0b196ff2ec85018edb1f6246c3cc6aa19ab54
Headers show
Series drm/msm/dpu: debug commit_done timeouts | expand

Commit Message

Dmitry Baryshkov Feb. 26, 2024, 2:27 a.m. UTC 
We have several reports of vblank timeout messages. However after some
debugging it was found that there might be different causes to that.
To allow us to identify the DPU block that gets stuck, include the
actual CTL_FLUSH value into the timeout message.

Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
index 2aa72b578764..6058706f03e4 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
@@ -480,7 +480,7 @@  static int dpu_encoder_phys_vid_wait_for_commit_done(
 		(hw_ctl->ops.get_flush_register(hw_ctl) == 0),
 		msecs_to_jiffies(50));
 	if (ret <= 0) {
-		DPU_ERROR("vblank timeout\n");
+		DPU_ERROR("vblank timeout: %x\n", hw_ctl->ops.get_flush_register(hw_ctl));
 		return -ETIMEDOUT;
 	}