Make sure the pitch and tiling are correct. Make sure there's a BO we can get at. Signed-off-by: Keith Packard <keithp@xxxxxxxxxx> --- src/uxa/intel_present.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/src/uxa/intel_present.c b/src/uxa/intel_present.c index c53d71d..b901fb1 100644 --- a/src/uxa/intel_present.c +++ b/src/uxa/intel_present.c @@ -248,6 +248,8 @@ intel_present_check_flip(RRCrtcPtr crtc, ScreenPtr screen = window->drawable.pScreen; ScrnInfoPtr scrn = xf86ScreenToScrn(screen); intel_screen_private *intel = intel_get_screen_private(scrn); + dri_bo *bo; + uint32_t tiling, swizzle; if (!scrn->vtSema) return FALSE; @@ -261,6 +263,22 @@ intel_present_check_flip(RRCrtcPtr crtc, if (crtc && !intel_crtc_on(crtc->devPrivate)) return FALSE; + /* Check stride, can't change that on flip */ + if (pixmap->devKind != intel->front_pitch) + return FALSE; + + /* Make sure there's a bo we can get to */ + bo = intel_get_pixmap_bo(pixmap); + if (!bo) + return FALSE; + + /* Check tiling, can't change that on flip */ + if (drm_intel_bo_get_tiling((drm_intel_bo *) bo, &tiling, &swizzle) != 0) + return FALSE; + + if (tiling != intel->front_tiling) + return FALSE; + return TRUE; } -- 2.0.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
