diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0356-drm-amdgpu-fix-signed-overrun-in-amdgpu_ctx_get_fenc.patch')
-rw-r--r-- | common/recipes-kernel/linux/files/0356-drm-amdgpu-fix-signed-overrun-in-amdgpu_ctx_get_fenc.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0356-drm-amdgpu-fix-signed-overrun-in-amdgpu_ctx_get_fenc.patch b/common/recipes-kernel/linux/files/0356-drm-amdgpu-fix-signed-overrun-in-amdgpu_ctx_get_fenc.patch new file mode 100644 index 00000000..8ae339c6 --- /dev/null +++ b/common/recipes-kernel/linux/files/0356-drm-amdgpu-fix-signed-overrun-in-amdgpu_ctx_get_fenc.patch @@ -0,0 +1,33 @@ +From cf6f1d39496e9b5dd62953f8dca9f995d80ab4ff Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Sat, 18 Jul 2015 19:20:05 +0200 +Subject: [PATCH 0356/1050] drm/amdgpu: fix signed overrun in + amdgpu_ctx_get_fence +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Otherwise the first 16 fences of a context will always signal immediately. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +index 859a484..144edc9 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +@@ -226,7 +226,7 @@ struct fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx, + return ERR_PTR(-EINVAL); + } + +- if (seq < cring->sequence - AMDGPU_CTX_MAX_CS_PENDING) { ++ if (seq + AMDGPU_CTX_MAX_CS_PENDING < cring->sequence) { + spin_unlock(&ctx->ring_lock); + return NULL; + } +-- +1.9.1 + |