diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0387-drm-amdgpu-allow-write-access-to-mapped-userptrs.patch')
-rw-r--r-- | common/recipes-kernel/linux/files/0387-drm-amdgpu-allow-write-access-to-mapped-userptrs.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0387-drm-amdgpu-allow-write-access-to-mapped-userptrs.patch b/common/recipes-kernel/linux/files/0387-drm-amdgpu-allow-write-access-to-mapped-userptrs.patch new file mode 100644 index 00000000..ef2669fc --- /dev/null +++ b/common/recipes-kernel/linux/files/0387-drm-amdgpu-allow-write-access-to-mapped-userptrs.patch @@ -0,0 +1,40 @@ +From fe4dc2639d9edab456d6cc191a0ff9f8e3491fda Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Fri, 11 Mar 2016 15:29:27 +0100 +Subject: [PATCH 0387/1110] drm/amdgpu: allow write access to mapped userptrs +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +With the updated MMU notifier we should also be able to +handle the writeback case correctly. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 8 +++----- + 1 file changed, 3 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +index dcf6611..e9bf5a5 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +@@ -258,12 +258,10 @@ int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data, + AMDGPU_GEM_USERPTR_REGISTER)) + return -EINVAL; + +- if (!(args->flags & AMDGPU_GEM_USERPTR_READONLY) && ( +- !(args->flags & AMDGPU_GEM_USERPTR_ANONONLY) || +- !(args->flags & AMDGPU_GEM_USERPTR_REGISTER))) { ++ if (!(args->flags & AMDGPU_GEM_USERPTR_READONLY) && ++ !(args->flags & AMDGPU_GEM_USERPTR_REGISTER)) { + +- /* if we want to write to it we must require anonymous +- memory and install a MMU notifier */ ++ /* if we want to write to it we must install a MMU notifier */ + return -EACCES; + } + +-- +2.7.4 + |