drm/amdgpu: add kernel ctx support (v2)
v2: rebase against kfd changes
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Christian K?nig <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index fefeeb2..801ebfc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1525,6 +1525,14 @@
return r;
}
+ if (!adev->kernel_ctx) {
+ uint32_t id = 0;
+ r = amdgpu_ctx_alloc(adev, NULL, &id);
+ if (r) {
+ dev_err(adev->dev, "failed to create kernel context (%d).\n", r);
+ return r;
+ }
+ }
r = amdgpu_ib_ring_tests(adev);
if (r)
DRM_ERROR("ib ring test failed (%d).\n", r);
@@ -1586,6 +1594,7 @@
adev->shutdown = true;
/* evict vram memory */
amdgpu_bo_evict_vram(adev);
+ amdgpu_ctx_free(adev, NULL, 0);
amdgpu_ib_pool_fini(adev);
amdgpu_fence_driver_fini(adev);
amdgpu_fbdev_fini(adev);