Revert "drm/amdgpu: don't allow userspace to create a doorbell BO"

This reverts commit 6be2ad4f0073c541146caa66c5ae936c955a8224.

This patch was to block userspace to use doorbell manager UAPI
until usermode queue UAPI gets approved. UQ UAPI got approved in the
following MR:
https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/392

Cc: Christian Koenig <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index bdf46cb4327fbe8005e6be7c046a7536d9afe413..06171eab6e92393beb7c7c0184f8dc222429efbf 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -430,10 +430,6 @@ 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 |