diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4521-drm-amdgpu-remove-not-needed-memset.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4521-drm-amdgpu-remove-not-needed-memset.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4521-drm-amdgpu-remove-not-needed-memset.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4521-drm-amdgpu-remove-not-needed-memset.patch new file mode 100644 index 00000000..a445cbff --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4521-drm-amdgpu-remove-not-needed-memset.patch @@ -0,0 +1,31 @@ +From d4f6653700813610901bac4467378a33e43ef68f Mon Sep 17 00:00:00 2001 +From: zhengbin <zhengbin13@huawei.com> +Date: Mon, 18 Nov 2019 17:00:31 +0800 +Subject: [PATCH 4521/4736] drm/amdgpu: remove not needed memset + +Fixes coccicheck warning: + +drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c:64:13-31: WARNING: dma_alloc_coherent use in ih -> ring already zeroes out memory, so memset is not needed + +Reported-by: Hulk Robot <hulkci@huawei.com> +Signed-off-by: zhengbin <zhengbin13@huawei.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.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 934dfdcb4e73..d922187d91f5 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]; +-- +2.17.1 + |