diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r100.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index ba724198b72e..2dd85ba1faa2 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -162,6 +162,8 @@ void r100_wait_for_vblank(struct radeon_device *rdev, int crtc) void r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async) { struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; + uint32_t crtc_pitch, pitch_pixels; + struct drm_framebuffer *fb = radeon_crtc->base.primary->fb; u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK; int i; @@ -169,6 +171,13 @@ void r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool /* update the scanout addresses */ WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp); + /* update pitch */ + pitch_pixels = fb->pitches[0] / fb->format->cpp[0]; + crtc_pitch = DIV_ROUND_UP(pitch_pixels * fb->format->cpp[0] * 8, + fb->format->cpp[0] * 8 * 8); + crtc_pitch |= crtc_pitch << 16; + WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch); + /* Wait for update_pending to go high. */ for (i = 0; i < rdev->usec_timeout; i++) { if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET) |