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authorDaniel Vetter <daniel.vetter@ffwll.ch>2010-03-18 09:22:12 +0100
committerEric Anholt <eric@anholt.net>2010-03-18 16:48:02 -0700
commitfe305198d4bf481d6dd017df35c566c9d477fada (patch)
tree3ae7eadb669952be2ad89c26c59f4d749ee9e7f5
parent8956c8bba5b11b3d3aec000e6c6184943011a8d4 (diff)
drm/intel: fix up set_tiling for untiled->tiled transition
Bug introduced in commit 10ae9bd25acf394c8fa2f9d795dfa9cec4d19ed6 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Mon Feb 1 13:59:17 2010 +0100 drm/i915: blow away userspace mappings before fence change The problem is that when there's no fence reg assigned and the object is mapped at a fenceable offset in the gtt, the userspace mappings won't be torn down. Which happens on untiled->tiled transition quite often on 4th gen and later because there fencing does not have any special alignment constraints (as opposed to 2nd and 3rd gen on which I've tested the original commit). Bugzilla: http://bugs.freedesktop.org/show_bug.cgi?id=26993 Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Tested-by: Eric Anholt <eric@anholt.net> (fixes OpenArena) Signed-off-by: Eric Anholt <eric@anholt.net>
-rw-r--r--drivers/gpu/drm/i915/i915_gem_tiling.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index b5c55d88ff7..c01c878e51b 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -325,9 +325,12 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
* need to ensure that any fence register is cleared.
*/
if (!i915_gem_object_fence_offset_ok(obj, args->tiling_mode))
- ret = i915_gem_object_unbind(obj);
+ ret = i915_gem_object_unbind(obj);
+ else if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
+ ret = i915_gem_object_put_fence_reg(obj);
else
- ret = i915_gem_object_put_fence_reg(obj);
+ i915_gem_release_mmap(obj);
+
if (ret != 0) {
WARN(ret != -ERESTARTSYS,
"failed to reset object for tiling switch");