diff options
| author | Dave Airlie <airlied@redhat.com> | 2008-01-25 15:27:53 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2008-01-25 15:27:53 +1000 |
| commit | e7a41d7f5be49241480a20eb733262712e0f8dcb (patch) | |
| tree | 801c7eadf769db981dfb8a900a24ef48542958a6 /shared-core/r128_irq.c | |
| parent | fb9ea12438de95a6ac085879e079055eaea3daf8 (diff) | |
| parent | bfdddd218ec3e7ce3f8e765b93af35661a7bf0fd (diff) | |
Merge remote branch 'origin/master' into modesetting-101
Conflicts:
linux-core/drm_bo.c
linux-core/drm_drv.c
shared-core/drm.h
shared-core/i915_dma.c
shared-core/i915_drv.h
shared-core/i915_irq.c
shared-core/radeon_irq.c
Diffstat (limited to 'shared-core/r128_irq.c')
| -rw-r--r-- | shared-core/r128_irq.c | 55 |
1 files changed, 35 insertions, 20 deletions
diff --git a/shared-core/r128_irq.c b/shared-core/r128_irq.c index c76fdca7..5b95bd89 100644 --- a/shared-core/r128_irq.c +++ b/shared-core/r128_irq.c @@ -35,6 +35,16 @@ #include "r128_drm.h" #include "r128_drv.h" +u32 r128_get_vblank_counter(struct drm_device *dev, int crtc) +{ + const drm_r128_private_t *dev_priv = dev->dev_private; + + if (crtc != 0) + return 0; + + return atomic_read(&dev_priv->vbl_received); +} + irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS) { struct drm_device *dev = (struct drm_device *) arg; @@ -46,30 +56,38 @@ irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS) /* VBLANK interrupt */ if (status & R128_CRTC_VBLANK_INT) { R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK); - atomic_inc(&dev->vbl_received); - DRM_WAKEUP(&dev->vbl_queue); - drm_vbl_send_signals(dev); + atomic_inc(&dev_priv->vbl_received); + drm_handle_vblank(dev, 0); return IRQ_HANDLED; } return IRQ_NONE; } -int r128_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence) +int r128_enable_vblank(struct drm_device *dev, int crtc) { - unsigned int cur_vblank; - int ret = 0; + drm_r128_private_t *dev_priv = dev->dev_private; - /* Assume that the user has missed the current sequence number - * by about a day rather than she wants to wait for years - * using vertical blanks... - */ - DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ, - (((cur_vblank = atomic_read(&dev->vbl_received)) - - *sequence) <= (1 << 23))); + if (crtc != 0) { + DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc); + return -EINVAL; + } - *sequence = cur_vblank; + R128_WRITE(R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN); + return 0; +} + +void r128_disable_vblank(struct drm_device *dev, int crtc) +{ + if (crtc != 0) + DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc); - return ret; + /* + * FIXME: implement proper interrupt disable by using the vblank + * counter register (if available) + * + * R128_WRITE(R128_GEN_INT_CNTL, + * R128_READ(R128_GEN_INT_CNTL) & ~R128_CRTC_VBLANK_INT_EN); + */ } void r128_driver_irq_preinstall(struct drm_device * dev) @@ -82,12 +100,9 @@ void r128_driver_irq_preinstall(struct drm_device * dev) R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK); } -void r128_driver_irq_postinstall(struct drm_device * dev) +int r128_driver_irq_postinstall(struct drm_device * dev) { - drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private; - - /* Turn on VBL interrupt */ - R128_WRITE(R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN); + return drm_vblank_init(dev, 1); } void r128_driver_irq_uninstall(struct drm_device * dev) |
