Re: [PATCH] drm/amdgpu: Remove unnecessary register program in SRIOV

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Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>

From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Peng Ju Zhou <PengJu.Zhou@xxxxxxx>
Sent: Monday, October 31, 2022 9:45 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx>
Subject: [PATCH] drm/amdgpu: Remove unnecessary register program in SRIOV
 
Remove unnecessary register program in SRIOV

Signed-off-by: Peng Ju Zhou <PengJu.Zhou@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c
index ff738e9725ee..6aa02d835ecb 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c
@@ -395,6 +395,9 @@ static void gfxhub_v2_1_gart_disable(struct amdgpu_device *adev)
                             ENABLE_ADVANCED_DRIVER_MODEL, 0);
         WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp);
 
+       if (amdgpu_sriov_vf(adev))
+               return;
+
         /* Setup L2 cache */
         WREG32_FIELD15(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);
         WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, 0);
--
2.33.1


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