diff options
| author | jilai wang <jilaiw@codeaurora.org> | 2015-08-05 15:33:29 -0400 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2015-08-15 18:27:27 -0400 |
| commit | 29f034d776209042f7aaaf1518a66841c1d42233 (patch) | |
| tree | cb86d2a7efe98b87c4695b4b9322f8b414f9fdb5 /drivers/gpu/drm/msm/mdp/mdp_kms.c | |
| parent | 8089082fae1975ad9d5abbd37c0ee8f688be28a0 (diff) | |
drm/msm/mdp: Clear pending interrupt status before enable interrupt
Pending interrupt status needs to be cleared before enable the
interrupt. Otherwise it's possible to get a pending interrupt instead
of an incoming interrupt.
Signed-off-by: Jilai Wang <jilaiw@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp_kms.c')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp_kms.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp_kms.c b/drivers/gpu/drm/msm/mdp/mdp_kms.c index 1988c243f437..64287304054d 100644 --- a/drivers/gpu/drm/msm/mdp/mdp_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp_kms.c @@ -39,7 +39,8 @@ static void update_irq(struct mdp_kms *mdp_kms) list_for_each_entry(irq, &mdp_kms->irq_list, node) irqmask |= irq->irqmask; - mdp_kms->funcs->set_irqmask(mdp_kms, irqmask); + mdp_kms->funcs->set_irqmask(mdp_kms, irqmask, mdp_kms->cur_irq_mask); + mdp_kms->cur_irq_mask = irqmask; } /* if an mdp_irq's irqmask has changed, such as when mdp5 crtc<->encoder |