From: Michel Dänzer <michel.daen...@amd.com>
The vblank / page flip ioctls don't work as expected for a disabled CRTC.
Signed-off-by: Michel Dänzer <michel.daen...@amd.com>
---
src/radeon_kms.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/radeon_kms.c b/src/radeon_kms.c
index 25a746d..ba95653 100644
--- a/src/radeon_kms.c
+++ b/src/radeon_kms.c
@@ -338,7 +338,8 @@ radeon_scanout_do_update(xf86CrtcPtr xf86_crtc, int
scanout_id)
RADEONInfoPtr info;
Bool force;
- if (drmmode_crtc->dpms_mode != DPMSModeOn ||
+ if (!xf86_crtc->enabled ||
+ drmmode_crtc->dpms_mode != DPMSModeOn ||
!drmmode_crtc->scanout[scanout_id].pixmap)
return FALSE;
@@ -409,7 +410,8 @@ radeon_scanout_update(xf86CrtcPtr xf86_crtc)
DrawablePtr pDraw;
BoxRec extents;
- if (drmmode_crtc->scanout_update_pending ||
+ if (!xf86_crtc->enabled ||
+ drmmode_crtc->scanout_update_pending ||
!drmmode_crtc->scanout[0].pixmap ||
drmmode_crtc->dpms_mode != DPMSModeOn)
return;
--
2.1.4
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