[PATCH v2] drm/amdgpu : Updated TCP/UTCL1 programming

[Mangesh Gadre]

It is required for TCP/UTCL1 thrashing

v2: updated rev_id check

Signed-off-by: Mangesh Gadre <Mangesh.Gadre at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index 93590adf2b04..8b84ca80d80b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/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);
 		}
 	}
 }
-- 
2.34.1