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author | Zhao Yakui <yakui.zhao@intel.com> | 2014-04-17 10:37:36 +0800 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-05-05 09:08:44 +0200 |
commit | b1a93306ed2686a7064ed54f99203b6db852ca27 (patch) | |
tree | 3f572cc008c20b6bb9ab0d43a47b631aaec0e9f6 /drivers/gpu/drm/i915/intel_ringbuffer.h | |
parent | fd3c269f8ff940cc0fbb3b7f7e84c0572f6f759a (diff) | |
download | op-kernel-dev-b1a93306ed2686a7064ed54f99203b6db852ca27.zip op-kernel-dev-b1a93306ed2686a7064ed54f99203b6db852ca27.tar.gz |
drm/i915: Update the restrict check to filter out wrong Ring ID passed by user-space
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.h')
-rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 5483916..7c0eb33 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -63,6 +63,7 @@ struct intel_ring_buffer { VECS, } id; #define I915_NUM_RINGS 4 +#define LAST_USER_RING (VECS + 1) u32 mmio_base; void __iomem *virtual_start; struct drm_device *dev; |