[PATCH 17/32] drm/amdgpu: Fix CP_HYP_XCP_CTL register programming in CPX mode
Alex Deucher
alexander.deucher at amd.com
Tue Mar 28 15:13:29 UTC 2023
From: Mukul Joshi <mukul.joshi at amd.com>
Currently, in CPX mode, the CP_HYP_XCP_CTL register is programmed
incorrectly with the number of XCCs in the partition. As a result,
HIQ doesn't work in CPX mode. Fix this by programming the correct
number of XCCs in a partition, which is 1, in CPX mode.
Signed-off-by: Mukul Joshi <mukul.joshi at amd.com>
Reviewed-by: Le Ma <Le.Ma at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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 7b589f279ece..3811a7d82af9 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -1166,7 +1166,7 @@ static void gfx_v9_4_3_program_xcc_id(struct amdgpu_device *adev, int xcc_id)
break;
case 2:
tmp = (xcc_id % adev->gfx.num_xcc_per_xcp) << REG_FIELD_SHIFT(CP_HYP_XCP_CTL, VIRTUAL_XCC_ID);
- tmp = tmp | (adev->gfx.num_xcd << REG_FIELD_SHIFT(CP_HYP_XCP_CTL, NUM_XCC_IN_XCP));
+ tmp = tmp | (adev->gfx.num_xcc_per_xcp << REG_FIELD_SHIFT(CP_HYP_XCP_CTL, NUM_XCC_IN_XCP));
WREG32_SOC15(GC, xcc_id, regCP_HYP_XCP_CTL, tmp);
tmp = xcc_id << REG_FIELD_SHIFT(CP_PSP_XCP_CTL, PHYSICAL_XCC_ID);
--
2.39.2
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