drm/amd/display: Respect PP_STUTTER_MODE but don't override DC_DISABLE_STUTTER

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -923,6 +923,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 		adev->dm.dc->debug.pipe_split_policy = MPC_SPLIT_AVOID;
 	}
 
+	if (adev->asic_type != CHIP_CARRIZO && adev->asic_type != CHIP_STONEY)
+		adev->dm.dc->debug.disable_stutter = amdgpu_pp_feature_mask & PP_STUTTER_MODE ? false : true;
+
 	if (amdgpu_dc_debug_mask & DC_DISABLE_STUTTER)
 		adev->dm.dc->debug.disable_stutter = true;
 
@@ -3036,9 +3039,6 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 		goto fail;
 	}
 
-	if (adev->asic_type != CHIP_CARRIZO && adev->asic_type != CHIP_STONEY)
-		dm->dc->debug.disable_stutter = amdgpu_pp_feature_mask & PP_STUTTER_MODE ? false : true;
-
 	/* No userspace support. */
 	dm->dc->debug.disable_tri_buf = true;