From 7caebc8f99b29b590bd4e8c42a35a4fb593d4f29 Mon Sep 17 00:00:00 2001
From: Mangesh Gadre <Mangesh.Gadre@amd.com>
Date: Mon, 21 Aug 2023 18:26:24 +0800
Subject: [PATCH] drm/amdgpu: Updated TCP/UTCL1 programming
Update TCP/UTCL1 thrashing control settings
v2: updated rev_id check
Signed-off-by: Mangesh Gadre <Mangesh.Gadre@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@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 a60429c3e93c3..b4fdb269f8567 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);
}
}
}
--
2.30.2