From 79ebc86c41959113009e3d9b17dc2d4547512ac9 Mon Sep 17 00:00:00 2001 From: Abhinav Kumar Date: Mon, 16 Apr 2018 19:05:30 -0700 Subject: 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 Signed-off-by: Sean Paul Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/dsi/dsi_host.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/msm') 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); } -- cgit v1.2.3