From: Christian König Date: Fri, 11 Mar 2016 14:29:27 +0000 (+0100) Subject: drm/amdgpu: allow write access to mapped userptrs X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=358c258a816baed4c6997b59c2117578a1360498;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/amdgpu: allow write access to mapped userptrs 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 --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 7f6b4d9841e5..5d280f6ae5bf 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; }