drm/i915: fix transition to I915_TILING_NONE

Transitions to TILING_NONE skipped the call to unbind the object, which left
the fence register set and caused future CPU access through the GTT to
access the object in tiled mode.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index f27e523..52a0593 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -283,7 +283,6 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
        mutex_lock(&dev->struct_mutex);
 
        if (args->tiling_mode == I915_TILING_NONE) {
-               obj_priv->tiling_mode = I915_TILING_NONE;
                args->swizzle_mode = I915_BIT_6_SWIZZLE_NONE;
        } else {
                if (args->tiling_mode == I915_TILING_X)