diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3229-drm-amdgpu-Add-flag-to-wipe-VRAM-on-release.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3229-drm-amdgpu-Add-flag-to-wipe-VRAM-on-release.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3229-drm-amdgpu-Add-flag-to-wipe-VRAM-on-release.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3229-drm-amdgpu-Add-flag-to-wipe-VRAM-on-release.patch new file mode 100644 index 00000000..f63b153d --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3229-drm-amdgpu-Add-flag-to-wipe-VRAM-on-release.patch @@ -0,0 +1,35 @@ +From 0dc3d43ed7e0ec05f2fcda64d9b7ffeb53aa6024 Mon Sep 17 00:00:00 2001 +From: Felix Kuehling <Felix.Kuehling@amd.com> +Date: Mon, 8 Jul 2019 20:09:21 -0400 +Subject: [PATCH 3229/4256] drm/amdgpu: Add flag to wipe VRAM on release +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This memory allocation flag will be used to indicate BOs containing +sensitive data that should not be leaked to other processes. + +Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +--- + include/uapi/drm/amdgpu_drm.h | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h +index 66b00e41fbcd..6944be414ee0 100644 +--- a/include/uapi/drm/amdgpu_drm.h ++++ b/include/uapi/drm/amdgpu_drm.h +@@ -142,6 +142,10 @@ extern "C" { + * for the second page onward should be set to NC. + */ + #define AMDGPU_GEM_CREATE_MQD_GFX9 (1 << 8) ++/* Flag that BO may contain sensitive data that must be wiped before ++ * releasing the memory ++ */ ++#define AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE (1 << 9) + + /* hybrid specific */ + /* Flag that the memory allocation should be from top of domain */ +-- +2.17.1 + |