Merge tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...

[J-linux.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_gem.c

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 693b1fd1191a56c4a4c4f741b4e392f4c49d4484..ca4d2d430e28c8f559ba64be1cf3432a1fe5e289 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -289,6 +289,10 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
        uint32_t handle, initial_domain;
        int r;
 
+       /* reject DOORBELLs until userspace code to use it is available */
+       if (args->in.domains & AMDGPU_GEM_DOMAIN_DOORBELL)
+               return -EINVAL;
+
        /* reject invalid gem flags */
        if (flags & ~(AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
                      AMDGPU_GEM_CREATE_NO_CPU_ACCESS |