TononixOS/ubports_kernel_google_msm
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msm_fb: display: Send current timestamp in case of timeout

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On timeout while waiting for the vsync, send the current
timestamp to the userspace. This resolves the infinite
wait seen during the bootup.

Change-Id: Ib1426c7c9a21c37758d7352740938627d4613fd6
Signed-off-by: Siddhartha Agrawal <agrawals@codeaurora.org>
This commit is contained in:
Siddhartha Agrawal
2012-11-26 15:57:42 -08:00
committed by Stephen Boyd
parent facd0f5012
commit a16456fc2b
4 changed files with 4 additions and 4 deletions
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2
drivers/video/msm/mdp4_overlay_dsi_cmd.c
View File

@@ -673,7 +673,7 @@ ssize_t mdp4_dsi_cmd_show_event(struct device *dev,
msecs_to_jiffies(VSYNC_PERIOD * 4));
if (ret <= 0) {
vctrl->wait_vsync_cnt = 0;
return -EBUSY;
vctrl->vsync_time = ktime_get();
}
spin_lock_irqsave(&vctrl->spin_lock, flags);

2
drivers/video/msm/mdp4_overlay_dsi_video.c
View File

@@ -399,7 +399,7 @@ ssize_t mdp4_dsi_video_show_event(struct device *dev,
msecs_to_jiffies(VSYNC_PERIOD * 4));
if (ret <= 0) {
vctrl->wait_vsync_cnt = 0;
return -EBUSY;
vctrl->vsync_time = ktime_get();
}
spin_lock_irqsave(&vctrl->spin_lock, flags);

2
drivers/video/msm/mdp4_overlay_dtv.c
View File

@@ -342,7 +342,7 @@ ssize_t mdp4_dtv_show_event(struct device *dev,
msecs_to_jiffies(VSYNC_PERIOD * 4));
if (ret <= 0) {
vctrl->wait_vsync_cnt = 0;
return -EBUSY;
vctrl->vsync_time = ktime_get();
}
spin_lock_irqsave(&vctrl->spin_lock, flags);

2
drivers/video/msm/mdp4_overlay_lcdc.c
View File

@@ -384,7 +384,7 @@ ssize_t mdp4_lcdc_show_event(struct device *dev,
msecs_to_jiffies(VSYNC_PERIOD * 4));
if (ret <= 0) {
vctrl->wait_vsync_cnt = 0;
return -EBUSY;
vctrl->vsync_time = ktime_get();
}
spin_lock_irqsave(&vctrl->spin_lock, flags);