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| author | Abhinav Kumar <abhinavk@codeaurora.org> | 2018-04-16 19:05:30 -0700 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2018-04-19 10:08:00 -0400 |
| commit | a6bb80f8efe04be2b2e2dcd1e5cd8fbfdaa35ab0 (patch) | |
| tree | 50a5fceb66765f883ce4681b64354feceac04eb3 /drivers/gpu | |
| parent | a10beabba213924d876f2d10ca9351aeab93f58a (diff) | |
| download | linux-a6bb80f8efe04be2b2e2dcd1e5cd8fbfdaa35ab0.tar.bz2 | |
drm/msm/dsi: check return value for video done waits
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_host.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 7a03a9489708..93a3cdde72ef 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -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); } |