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drm/msm/dsi: check return value for video done waits

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

Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Abhinav Kumar 2018-04-16 19:05:30 -07:00 committed by Rob Clark
parent a10beabba2
commit a6bb80f8ef
1 changed files with 7 additions and 1 deletions
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8
drivers/gpu/drm/msm/dsi/dsi_host.c
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@ -986,13 +986,19 @@ 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);
}