* [PATCH] drm/amdgpu: Remove call to memset after dma_alloc_coherent
@ 2019-05-30 18:25 Hariprasad Kelam
0 siblings, 0 replies; only message in thread
From: Hariprasad Kelam @ 2019-05-30 18:25 UTC (permalink / raw)
To: Alex Deucher, Christian König, David (ChunMing) Zhou,
David Airlie, Daniel Vetter, Huang Rui, Hariprasad Kelam,
Oak Zeng, amd-gfx, dri-devel, linux-kernel
This patch fixes below warning reported by coccicheck
./drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c:63:13-31: WARNING:
dma_alloc_coherent use in ih -> ring already zeroes out memory, so
memset is not needed
Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
index 934dfdc..d922187 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
@@ -65,7 +65,6 @@ int amdgpu_ih_ring_init(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih,
if (ih->ring == NULL)
return -ENOMEM;
- memset((void *)ih->ring, 0, ih->ring_size + 8);
ih->gpu_addr = dma_addr;
ih->wptr_addr = dma_addr + ih->ring_size;
ih->wptr_cpu = &ih->ring[ih->ring_size / 4];
--
2.7.4
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