From: Monk Liu Date: Fri, 15 Sep 2017 07:34:52 +0000 (+0800) Subject: drm/amdgpu/sriov:fix page fault issue of driver unload X-Git-Tag: android-x86-8.1-r1~2144^2~60^2~44 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=030308fcbd944348e5be079f4c2d53d2bda00d53;p=android-x86%2Fkernel.git 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 Signed-off-by: Horace Chen Reviewed-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 506a26793ce6..3e84ddf9e3b5 100644 --- 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 fe603cc2c4a9..0c4a3b8e8596 100644 --- 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 31891149e6fc..f1d7c5d0f385 100644 --- 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);