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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-10-19 18:51:06 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-19 23:52:52 +0400 |
| commit | 74ce6b6c63262defba91c4d790b3f91074793c0d (patch) | |
| tree | 2c93efea0fcf247339dfc6337a2d2d76869a2e08 /drivers/gpu | |
| parent | c31407a3672aaebb4acddf90944a114fa5c8af7b (diff) | |
| download | linux-74ce6b6c63262defba91c4d790b3f91074793c0d.tar.xz | |
drm/i915: Initialize obj->pages before use by i915_gem_object_do_bit17_swizzle()
If we leave obj->pages set to NULL before attempting to deswizzle them,
then an OOPS is well deserved.
Fixes regression introduced in commit 9da3da660d8c19a54f6e93361d147509be3fff84
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri Jun 1 15:20:22 2012 +0100
drm/i915: Replace the array of pages with a scatterlist
Reported-and-tested-by: Krzysztof Kolasa
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 45888d2ed534..8bc7ba76ace1 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1825,10 +1825,11 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) sg_set_page(sg, page, PAGE_SIZE, 0); } + obj->pages = st; + if (i915_gem_object_needs_bit17_swizzle(obj)) i915_gem_object_do_bit_17_swizzle(obj); - obj->pages = st; return 0; err_pages: |