drm/amdgpu: Enable DRIVER_ATOMIC flag for DAL.

This flag is needed to pass several of IGT test cases.

Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index 2484dac08050..90fa8e8bc6fb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -348,7 +348,8 @@ int amdgpu_fbdev_init(struct amdgpu_device *adev)
         drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
 
         /* disable all the possible outputs/crtcs before entering KMS mode */
-        drm_helper_disable_unused_functions(adev->ddev);
+        if (!amdgpu_device_has_dc_support(adev))
+                drm_helper_disable_unused_functions(adev->ddev);
 
         drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel);
         return 0;