From fe4dc2639d9edab456d6cc191a0ff9f8e3491fda Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= 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 Signed-off-by: Alex Deucher --- 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