Check for the return value of wait for video done waits and print appropriate error message.

Signed-off-by: Abhinav Kumar abhinavk@codeaurora.org --- drivers/gpu/drm/msm/dsi/dsi_host.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 8df0d44..5b7b290 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -987,13 +987,19 @@ static void dsi_set_tx_power_mode(int mode, struct msm_dsi_host *msm_host)

static void dsi_wait4video_done(struct msm_dsi_host *msm_host) { + u32 ret = 0; + struct device *dev = &msm_host->pdev->dev; + dsi_intr_ctrl(msm_host, DSI_IRQ_MASK_VIDEO_DONE, 1);

reinit_completion(&msm_host->video_comp);

- wait_for_completion_timeout(&msm_host->video_comp, + ret = wait_for_completion_timeout(&msm_host->video_comp, msecs_to_jiffies(70));

+ if (ret <= 0) + dev_err(dev, "wait for video done timed out\n"); + dsi_intr_ctrl(msm_host, DSI_IRQ_MASK_VIDEO_DONE, 0); }