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

Peng Ju Zhou PengJu.Zhou at amd.com
Tue Nov 1 01:45:29 UTC 2022


Remove unnecessary register program in SRIOV

Signed-off-by: Peng Ju Zhou <PengJu.Zhou at amd.com>
---
 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



More information about the amd-gfx mailing list