diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_display.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index c52c182..88e3cbe 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -276,7 +276,7 @@ static void radeon_unpin_work_func(struct work_struct *__work) kfree(work); } -void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id) +void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id) { struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; struct radeon_unpin_work *work; @@ -302,7 +302,6 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id) * completion routine. */ update_pending = 0; - radeon_crtc->deferred_flip_completion = 0; } /* Has the pageflip already completed in crtc, or is it certain @@ -330,10 +329,40 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id) radeon_crtc->deferred_flip_completion = 1; spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); return; + } else { + spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); + radeon_crtc_handle_flip(rdev, crtc_id); + } +} + +/** + * radeon_crtc_handle_flip - page flip completed + * + * @rdev: radeon device pointer + * @crtc_id: crtc number this event is for + * + * Called when we are sure that a page flip for this crtc is completed. + */ +void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id) +{ + struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; + struct radeon_unpin_work *work; + unsigned long flags; + + /* this can happen at init */ + if (radeon_crtc == NULL) + return; + + spin_lock_irqsave(&rdev->ddev->event_lock, flags); + work = radeon_crtc->unpin_work; + if (work == NULL) { + spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); + return; } /* Pageflip (will be) certainly completed in this vblank. Clean up. */ radeon_crtc->unpin_work = NULL; + radeon_crtc->deferred_flip_completion = 0; /* wakeup userspace */ if (work->event) |
