diff options
Diffstat (limited to 'driver/xf86-video-ati/src/radeon_commonfuncs.c')
| -rw-r--r-- | driver/xf86-video-ati/src/radeon_commonfuncs.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/driver/xf86-video-ati/src/radeon_commonfuncs.c b/driver/xf86-video-ati/src/radeon_commonfuncs.c index 728194904..e0b026f1b 100644 --- a/driver/xf86-video-ati/src/radeon_commonfuncs.c +++ b/driver/xf86-video-ati/src/radeon_commonfuncs.c @@ -839,9 +839,6 @@ void FUNC_NAME(RADEONWaitForVLine)(ScrnInfoPtr pScrn, PixmapPtr pPix, if (!crtc) return; - if (stop < start) - return; - if (!crtc->enabled) return; @@ -861,16 +858,16 @@ void FUNC_NAME(RADEONWaitForVLine)(ScrnInfoPtr pScrn, PixmapPtr pPix, return; } - start = max(start, 0); - stop = min(stop, crtc->mode.VDisplay); + start = max(start, crtc->y); + stop = min(stop, crtc->y + crtc->mode.VDisplay); - if (start > crtc->mode.VDisplay) + if (start >= stop) return; - if (IS_AVIVO_VARIANT) { - /* on r5xx+ vline starts at viewport_y */ - start += crtc->y; - stop += crtc->y; + if (!IS_AVIVO_VARIANT) { + /* on pre-r5xx vline starts at CRTC scanout */ + start -= crtc->y; + stop -= crtc->y; } #if defined(ACCEL_CP) && defined(XF86DRM_MODE) |