drm/amdgpu/sriov:fix page fault issue of driver unload

bo_free on csa is too late to put in amdgpu_fini because that
time ttm is already finished,
Move it earlier to avoid the page fault.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: Horace Chen <horace.chen@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 506a267..3e84ddf 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1790,10 +1790,8 @@ static int amdgpu_fini(struct amdgpu_device *adev)
                adev->ip_blocks[i].status.late_initialized = false;
        }
 
-       if (amdgpu_sriov_vf(adev)) {
-               amdgpu_bo_free_kernel(&adev->virt.csa_obj, &adev->virt.csa_vmid0_addr, NULL);
+       if (amdgpu_sriov_vf(adev))
                amdgpu_virt_release_full_gpu(adev, false);
-       }
 
        return 0;
 }

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index fe603cc..0c4a3b8 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -2113,6 +2113,7 @@ static int gfx_v8_0_sw_fini(void *handle)
        amdgpu_gfx_compute_mqd_sw_fini(adev);
        amdgpu_gfx_kiq_free_ring(&adev->gfx.kiq.ring, &adev->gfx.kiq.irq);
        amdgpu_gfx_kiq_fini(adev);
+       amdgpu_bo_free_kernel(&adev->virt.csa_obj, &adev->virt.csa_vmid0_addr, NULL);
 
        gfx_v8_0_mec_fini(adev);
        gfx_v8_0_rlc_fini(adev);

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 3189114..f1d7c5d 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1425,6 +1425,7 @@ static int gfx_v9_0_sw_fini(void *handle)
        amdgpu_gfx_compute_mqd_sw_fini(adev);
        amdgpu_gfx_kiq_free_ring(&adev->gfx.kiq.ring, &adev->gfx.kiq.irq);
        amdgpu_gfx_kiq_fini(adev);
+       amdgpu_bo_free_kernel(&adev->virt.csa_obj, &adev->virt.csa_vmid0_addr, NULL);
 
        gfx_v9_0_mec_fini(adev);
        gfx_v9_0_ngg_fini(adev);