diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_irq_kms.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_irq_kms.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index b492b7dc63ac..c6861bb751ad 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -71,8 +71,10 @@ void radeon_driver_irq_preinstall_kms(struct drm_device *dev) rdev->irq.gui_idle = false; for (i = 0; i < rdev->num_crtc; i++) rdev->irq.crtc_vblank_int[i] = false; - for (i = 0; i < 6; i++) + for (i = 0; i < 6; i++) { rdev->irq.hpd[i] = false; + rdev->irq.pflip[i] = false; + } radeon_irq_set(rdev); /* Clear bits */ radeon_irq_process(rdev); @@ -101,8 +103,10 @@ void radeon_driver_irq_uninstall_kms(struct drm_device *dev) rdev->irq.gui_idle = false; for (i = 0; i < rdev->num_crtc; i++) rdev->irq.crtc_vblank_int[i] = false; - for (i = 0; i < 6; i++) + for (i = 0; i < 6; i++) { rdev->irq.hpd[i] = false; + rdev->irq.pflip[i] = false; + } radeon_irq_set(rdev); } @@ -175,3 +179,34 @@ void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev) spin_unlock_irqrestore(&rdev->irq.sw_lock, irqflags); } +void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc) +{ + unsigned long irqflags; + + if (crtc < 0 || crtc >= rdev->num_crtc) + return; + + spin_lock_irqsave(&rdev->irq.pflip_lock[crtc], irqflags); + if (rdev->ddev->irq_enabled && (++rdev->irq.pflip_refcount[crtc] == 1)) { + rdev->irq.pflip[crtc] = true; + radeon_irq_set(rdev); + } + spin_unlock_irqrestore(&rdev->irq.pflip_lock[crtc], irqflags); +} + +void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc) +{ + unsigned long irqflags; + + if (crtc < 0 || crtc >= rdev->num_crtc) + return; + + spin_lock_irqsave(&rdev->irq.pflip_lock[crtc], irqflags); + BUG_ON(rdev->ddev->irq_enabled && rdev->irq.pflip_refcount[crtc] <= 0); + if (rdev->ddev->irq_enabled && (--rdev->irq.pflip_refcount[crtc] == 0)) { + rdev->irq.pflip[crtc] = false; + radeon_irq_set(rdev); + } + spin_unlock_irqrestore(&rdev->irq.pflip_lock[crtc], irqflags); +} + |