Signed-off-by: Zhao Yakui <yakui.zhao@xxxxxxxxx>
Reviewed-by: Imre Deak <imre.deak@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_execbuffer.c | 2 +-
drivers/gpu/drm/i915/intel_ringbuffer.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 3491402..341ec68 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1035,7 +1035,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
if (args->flags & I915_EXEC_IS_PINNED)
flags |= I915_DISPATCH_PINNED;
- if ((args->flags & I915_EXEC_RING_MASK) > I915_NUM_RINGS) {
+ if ((args->flags & I915_EXEC_RING_MASK) > LAST_USER_RING) {
DRM_DEBUG("execbuf with unknown ring: %d\n",
(int)(args->flags & I915_EXEC_RING_MASK));
return -EINVAL;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 413cdc7..ec9d978 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;
--
1.7.10.1
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