From: Colin Ian King <[email protected]>
The WARN_ON is currently throwing a warning when i is 65 or higher which
is off by one. It should be 64 or higher (64 queues from 0..63 inclusive),
so fix this off-by-one comparison.
Fixes: 849aca9f9c03 ("drm/amdgpu: Move common code to amdgpu_gfx.c")
Signed-off-by: Colin Ian King <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 74066e1466f7..c8d106c59e27 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -501,7 +501,7 @@ int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev)
/* This situation may be hit in the future if a new HW
* generation exposes more than 64 queues. If so, the
* definition of queue_mask needs updating */
- if (WARN_ON(i > (sizeof(queue_mask)*8))) {
+ if (WARN_ON(i >= (sizeof(queue_mask)*8))) {
DRM_ERROR("Invalid KCQ enabled: %d\n", i);
break;
}
--
2.20.1
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