diff options
Diffstat (limited to 'x11-drivers/xf86-video-intel/files/xf86-video-intel-2.20.19-discard-mappings.patch')
| -rw-r--r-- | x11-drivers/xf86-video-intel/files/xf86-video-intel-2.20.19-discard-mappings.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/x11-drivers/xf86-video-intel/files/xf86-video-intel-2.20.19-discard-mappings.patch b/x11-drivers/xf86-video-intel/files/xf86-video-intel-2.20.19-discard-mappings.patch new file mode 100644 index 000000000000..a37b2e1ffb42 --- /dev/null +++ b/x11-drivers/xf86-video-intel/files/xf86-video-intel-2.20.19-discard-mappings.patch @@ -0,0 +1,31 @@ +From de28027ffc649920268ae6fdd64146f08310e8a4 Mon Sep 17 00:00:00 2001 +From: Chris Wilson <chris@chris-wilson.co.uk> +Date: Wed, 30 Jan 2013 08:42:48 +0000 +Subject: sna/dri: Make sure we discard the existing mappings when swapping GPU bo + +If the GPU bo is currently mapped to the Pixmap, we need to be sure to +invalidate that mapping if we swap the GPU bo (for SwapBuffers). If we +forget, we leave a dangling pointer to chase. + +Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=60042 +Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> +--- +diff --git a/src/sna/sna_dri.c b/src/sna/sna_dri.c +index 15b87dd..e33cd78 100644 +--- a/src/sna/sna_dri.c ++++ b/src/sna/sna_dri.c +@@ -498,6 +498,12 @@ static void set_bo(PixmapPtr pixmap, struct kgem_bo *bo) + if (priv->gpu_bo != bo) { + kgem_bo_destroy(&sna->kgem, priv->gpu_bo); + priv->gpu_bo = ref(bo); ++ if (priv->mapped) { ++ assert(!priv->shm && priv->stride); ++ pixmap->devPrivate.ptr = PTR(priv->ptr); ++ pixmap->devKind = priv->stride; ++ priv->mapped = false; ++ } + } + if (bo->domain != DOMAIN_GPU) + bo->domain = DOMAIN_NONE; +-- +cgit v0.9.0.2-2-gbebe |