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| author | Abhinav Kumar | 2018-04-17 04:05:30 +0200 |
|---|---|---|
| committer | Rob Clark | 2018-06-03 22:48:59 +0200 |
| commit | 79ebc86c41959113009e3d9b17dc2d4547512ac9 (patch) | |
| tree | 8f7e77d83a6485f1c71d442f45cf6ff14b29633e /drivers/gpu/drm/msm/dsi | |
| parent | Linux 4.17-rc2 (diff) | |
| download | kernel-qcow2-linux-79ebc86c41959113009e3d9b17dc2d4547512ac9.tar.gz kernel-qcow2-linux-79ebc86c41959113009e3d9b17dc2d4547512ac9.tar.xz kernel-qcow2-linux-79ebc86c41959113009e3d9b17dc2d4547512ac9.zip | |
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/drm/msm/dsi')
| -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); } |