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path: root/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
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Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c')
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
index 7369ee7f0c55..5ed38cf548a1 100644
--- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
+++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
@@ -19,8 +19,11 @@
#include "msm_drv.h"
#include "mdp4_kms.h"
-void mdp4_set_irqmask(struct mdp_kms *mdp_kms, uint32_t irqmask)
+void mdp4_set_irqmask(struct mdp_kms *mdp_kms, uint32_t irqmask,
+ uint32_t old_irqmask)
{
+ mdp4_write(to_mdp4_kms(mdp_kms), REG_MDP4_INTR_CLEAR,
+ irqmask ^ (irqmask & old_irqmask));
mdp4_write(to_mdp4_kms(mdp_kms), REG_MDP4_INTR_ENABLE, irqmask);
}
@@ -68,9 +71,10 @@ irqreturn_t mdp4_irq(struct msm_kms *kms)
struct drm_device *dev = mdp4_kms->dev;
struct msm_drm_private *priv = dev->dev_private;
unsigned int id;
- uint32_t status;
+ uint32_t status, enable;
- status = mdp4_read(mdp4_kms, REG_MDP4_INTR_STATUS);
+ enable = mdp4_read(mdp4_kms, REG_MDP4_INTR_ENABLE);
+ status = mdp4_read(mdp4_kms, REG_MDP4_INTR_STATUS) & enable;
mdp4_write(mdp4_kms, REG_MDP4_INTR_CLEAR, status);
VERB("status=%08x", status);
@@ -86,13 +90,22 @@ irqreturn_t mdp4_irq(struct msm_kms *kms)
int mdp4_enable_vblank(struct msm_kms *kms, struct drm_crtc *crtc)
{
+ struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms));
+
+ mdp4_enable(mdp4_kms);
mdp_update_vblank_mask(to_mdp_kms(kms),
mdp4_crtc_vblank(crtc), true);
+ mdp4_disable(mdp4_kms);
+
return 0;
}
void mdp4_disable_vblank(struct msm_kms *kms, struct drm_crtc *crtc)
{
+ struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms));
+
+ mdp4_enable(mdp4_kms);
mdp_update_vblank_mask(to_mdp_kms(kms),
mdp4_crtc_vblank(crtc), false);
+ mdp4_disable(mdp4_kms);
}