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Commit a6bb80f8 authored by Abhinav Kumar's avatar Abhinav Kumar Committed by Rob Clark
Browse files

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: default avatarAbhinav Kumar <abhinavk@codeaurora.org>
Signed-off-by: default avatarSean Paul <seanpaul@chromium.org>
Signed-off-by: default avatarRob Clark <robdclark@gmail.com>
parent a10beabb

drivers/gpu/drm/msm/dsi/dsi_host.c

+7 −1
Original line number Diff line number Diff line
@@ -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);

}