Set the dc_config properly when the option is enabled.

Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 8c647ec1572f..b16de3754ab9 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -434,6 +434,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
            adev->asic_type < CHIP_RAVEN)
                init_data.flags.gpu_vm_support = true;
 
+       if (amdgpu_dc_feature_mask & DC_FBC_MASK)
+               init_data.flags.fbc_support = true;
+
        /* Display Core create. */
        adev->dm.dc = dc_create(&init_data);
 
-- 
2.13.6

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