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| author | Eric Anholt <eric@anholt.net> | 2009-07-10 13:02:26 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-07-10 14:10:58 -0700 |
| commit | d05ca301997c94c2ef3c112b15319d13fa8cddab (patch) | |
| tree | 5455f4c87ef8b66e390b587799922535778ff822 /drivers/gpu/drm/i915/i915_gem_tiling.c | |
| parent | 901782b21ecb2af4dde1598b3142bf0e80b20853 (diff) | |
| download | blackbird-op-linux-d05ca301997c94c2ef3c112b15319d13fa8cddab.tar.gz blackbird-op-linux-d05ca301997c94c2ef3c112b15319d13fa8cddab.zip | |
drm/i915: Zap the GTT mapping when transitioning from untiled to tiled.
As of 52dc7d32b88156248167864f77a9026abe27b432, we could leave an old
linear GTT mapping in place, so that apps trying to GTT-mapped write in
tiled data wouldn't get the fence added, and garbage would get displayed.
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_tiling.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_tiling.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index daeae62e1c28..a2d527b22ec4 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -521,6 +521,12 @@ i915_gem_set_tiling(struct drm_device *dev, void *data, goto err; } + /* If we've changed tiling, GTT-mappings of the object + * need to re-fault to ensure that the correct fence register + * setup is in place. + */ + i915_gem_release_mmap(obj); + obj_priv->tiling_mode = args->tiling_mode; obj_priv->stride = args->stride; } |
