Commit 30d8dffa authored by Victor Lu's avatar Victor Lu Committed by Alex Deucher
Browse files

drm/amdgpu: Do not program VM_L2_CNTL under SRIOV 



VM_L2_CNTL* should not be programmed on driver unload under SRIOV.
These regs are skipped during SRIOV driver init.

Signed-off-by: default avatarVictor Lu <victorchengchi.lu@amd.com>
Reviewed-by: default avatarVignesh Chander <Vignesh.Chander@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 6616b5e1

drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c

+6 −4
Original line number Diff line number Diff line
@@ -456,12 +456,14 @@ static void gfxhub_v1_2_xcc_gart_disable(struct amdgpu_device *adev, 
		WREG32_SOC15_RLC(GC, GET_INST(GC, j), regMC_VM_MX_L1_TLB_CNTL, tmp);



		/* Setup L2 cache */

		if (!amdgpu_sriov_vf(adev)) {

			tmp = RREG32_SOC15(GC, GET_INST(GC, j), regVM_L2_CNTL);

			tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);

			WREG32_SOC15(GC, GET_INST(GC, j), regVM_L2_CNTL, tmp);

			WREG32_SOC15(GC, GET_INST(GC, j), regVM_L2_CNTL3, 0);

		}

	}

}



static void gfxhub_v1_2_gart_disable(struct amdgpu_device *adev)

{