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authorDaniel Vetter <daniel.vetter@ffwll.ch>2012-04-26 23:28:11 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-05-03 11:18:29 +0200
commit6ebebc9206fca1d20d90edec4873e819cc4051d0 (patch)
tree1d564fe89fe5b3f42b53815ab492e361b186d02f /drivers/gpu/drm/i915/i915_gem_execbuffer.c
parent09422b2e7290c2899df78ebcc6b1bdcc4f2328dd (diff)
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drm/i915: disallow clip rects on gen5+
Unfortunately there has been dri1 userspace that used gem to manage the gtt and hence also needed cliprects in the execbuf ioctl. So we can't ever remove that code without breaking the ioctl abi. But at least we can disable it on gen5+, because these horrible versions of mesa have not supported these chips. Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_execbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index cbba0aa6104..a46ed26464f 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1116,6 +1116,11 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
return -EINVAL;
}
+ if (INTEL_INFO(dev)->gen >= 5) {
+ DRM_DEBUG("clip rectangles are only valid on pre-gen5\n");
+ return -EINVAL;
+ }
+
cliprects = kmalloc(args->num_cliprects * sizeof(*cliprects),
GFP_KERNEL);
if (cliprects == NULL) {