diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
-rw-r--r-- | drivers/gpu/drm/radeon/r100.c | 55 |
1 files changed, 20 insertions, 35 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index b6c32640df20..ad99813cfa8f 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -142,36 +142,6 @@ void r100_wait_for_vblank(struct radeon_device *rdev, int crtc) } /** - * r100_pre_page_flip - pre-pageflip callback. - * - * @rdev: radeon_device pointer - * @crtc: crtc to prepare for pageflip on - * - * Pre-pageflip callback (r1xx-r4xx). - * Enables the pageflip irq (vblank irq). - */ -void r100_pre_page_flip(struct radeon_device *rdev, int crtc) -{ - /* enable the pflip int */ - radeon_irq_kms_pflip_irq_get(rdev, crtc); -} - -/** - * r100_post_page_flip - pos-pageflip callback. - * - * @rdev: radeon_device pointer - * @crtc: crtc to cleanup pageflip on - * - * Post-pageflip callback (r1xx-r4xx). - * Disables the pageflip irq (vblank irq). - */ -void r100_post_page_flip(struct radeon_device *rdev, int crtc) -{ - /* disable the pflip int */ - radeon_irq_kms_pflip_irq_put(rdev, crtc); -} - -/** * r100_page_flip - pageflip callback. * * @rdev: radeon_device pointer @@ -182,9 +152,8 @@ void r100_post_page_flip(struct radeon_device *rdev, int crtc) * During vblank we take the crtc lock and wait for the update_pending * bit to go high, when it does, we release the lock, and allow the * double buffered update to take place. - * Returns the current update pending status. */ -u32 r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) +void r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) { struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK; @@ -206,8 +175,24 @@ u32 r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK; WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp); +} + +/** + * r100_page_flip_pending - check if page flip is still pending + * + * @rdev: radeon_device pointer + * @crtc_id: crtc to check + * + * Check if the last pagefilp is still pending (r1xx-r4xx). + * Returns the current update pending status. + */ +bool r100_page_flip_pending(struct radeon_device *rdev, int crtc_id) +{ + struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; + /* Return current update_pending status: */ - return RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET; + return !!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & + RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET); } /** @@ -794,7 +779,7 @@ int r100_irq_process(struct radeon_device *rdev) wake_up(&rdev->irq.vblank_queue); } if (atomic_read(&rdev->irq.pflip[0])) - radeon_crtc_handle_flip(rdev, 0); + radeon_crtc_handle_vblank(rdev, 0); } if (status & RADEON_CRTC2_VBLANK_STAT) { if (rdev->irq.crtc_vblank_int[1]) { @@ -803,7 +788,7 @@ int r100_irq_process(struct radeon_device *rdev) wake_up(&rdev->irq.vblank_queue); } if (atomic_read(&rdev->irq.pflip[1])) - radeon_crtc_handle_flip(rdev, 1); + radeon_crtc_handle_vblank(rdev, 1); } if (status & RADEON_FP_DETECT_STAT) { queue_hotplug = true; |