From 157fa14dc4065ce7536473e643c95385d87bd580 Mon Sep 17 00:00:00 2001 From: Christian König Date: Tue, 27 May 2014 16:49:20 +0200 Subject: drm/radeon: split page flip and pending callback MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/rs600.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/radeon/rs600.c') diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index e005bd74a807..9922ee5bd497 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -109,7 +109,7 @@ void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc) } } -u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) +void rs600_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 = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset); @@ -136,9 +136,15 @@ u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) /* Unlock the lock, so double-buffering can take place inside vblank */ tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK; WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); +} + +bool rs600_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(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING; + return !!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & + AVIVO_D1GRPH_SURFACE_UPDATE_PENDING); } void avivo_program_fmt(struct drm_encoder *encoder) -- cgit v1.2.3