korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-26 20:44:32 +08:00
Code Issues Packages Projects Releases Wiki Activity

drm/msm/mdp: add timeout for irq wait

Browse Source 
Make things recover a bit more gracefully if we get stuck with no vblank
irq ever coming.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2014-03-24 09:12:24 -04:00
parent 93ddb0d3b0
commit 30b6f8f679
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/msm/mdp/mdp_kms.c
View File

@ -101,7 +101,8 @@ void mdp_irq_wait(struct mdp_kms *mdp_kms, uint32_t irqmask)
.count = 1, .count = 1,
}; };
mdp_irq_register(mdp_kms, &wait.irq); mdp_irq_register(mdp_kms, &wait.irq);
wait_event(wait_event, (wait.count <= 0)); wait_event_timeout(wait_event, (wait.count <= 0),
msecs_to_jiffies(100));
mdp_irq_unregister(mdp_kms, &wait.irq); mdp_irq_unregister(mdp_kms, &wait.irq);
} }