drm/amdgpu: Updated TCP/UTCL1 programming

Update TCP/UTCL1 thrashing control settings

v2: updated rev_id check

Signed-off-by: Mangesh Gadre <[email protected]>
Reviewed-by: Hawking Zhang <[email protected]>
Reviewed-by: Lijo Lazar <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: Mangesh Gadre

drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c

@@ -203,6 +203,9 @@ static void gfx_v9_4_3_init_golden_registers(struct amdgpu_device *adev)
 		if (adev->rev_id == 0) {
 			WREG32_FIELD15_PREREG(GC, dev_inst, TCP_UTCL1_CNTL1,
 					      REDUCE_FIFO_DEPTH_BY_2, 2);
+		} else {
+			WREG32_FIELD15_PREREG(GC, dev_inst, TCP_UTCL1_CNTL2,
+						SPARE, 0x1);
 		}
 	}
 }