diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0214-drm-amdgpu-enforce-AMDGPU_GEM_CREATE_NO_CPU_ACCESS.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0214-drm-amdgpu-enforce-AMDGPU_GEM_CREATE_NO_CPU_ACCESS.patch | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/common/recipes-kernel/linux/files/0214-drm-amdgpu-enforce-AMDGPU_GEM_CREATE_NO_CPU_ACCESS.patch b/common/recipes-kernel/linux/files/0214-drm-amdgpu-enforce-AMDGPU_GEM_CREATE_NO_CPU_ACCESS.patch deleted file mode 100644 index a122f3a2..00000000 --- a/common/recipes-kernel/linux/files/0214-drm-amdgpu-enforce-AMDGPU_GEM_CREATE_NO_CPU_ACCESS.patch +++ /dev/null @@ -1,49 +0,0 @@ -From 271c81256612b162a9ae0f8c0f0a055a7523cea5 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> -Date: Wed, 13 May 2015 14:30:53 +0200 -Subject: [PATCH 0214/1050] drm/amdgpu: enforce AMDGPU_GEM_CREATE_NO_CPU_ACCESS -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Deny user and kernel mapping if we said we never want to do so. - -Signed-off-by: Christian König <christian.koenig@amd.com> -Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> -Reviewed-by: Alex Deucher <alexander.deucher@amd.com> ---- - drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 3 ++- - drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 3 +++ - 2 files changed, 5 insertions(+), 1 deletion(-) - -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c -index 5fd0bc7..8dd843d 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c -@@ -316,7 +316,8 @@ int amdgpu_mode_dumb_mmap(struct drm_file *filp, - return -ENOENT; - } - robj = gem_to_amdgpu_bo(gobj); -- if (amdgpu_ttm_tt_has_userptr(robj->tbo.ttm)) { -+ if (amdgpu_ttm_tt_has_userptr(robj->tbo.ttm) || -+ (robj->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)) { - drm_gem_object_unreference_unlocked(gobj); - return -EPERM; - } -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c -index 992b7f5..a721f50 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c -@@ -263,6 +263,9 @@ int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr) - bool is_iomem; - int r; - -+ if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS) -+ return -EPERM; -+ - if (bo->kptr) { - if (ptr) { - *ptr = bo->kptr; --- -1.9.1 - |