On 8/21/2023 6:17 PM, Mangesh Gadre wrote:
It is required for TCP/UTCL1 thrashing
Description looks a bit odd. You may rephrase as 'Update TCP/UTCL1
thrashing control settings'.
Reviewed-by: Lijo Lazar <lijo.lazar@xxxxxxx>
Thanks,
Lijo
v2: updated rev_id check
Signed-off-by: Mangesh Gadre <Mangesh.Gadre@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
---
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);
}
}
}
