drm/amdkfd: add amdgpu_device entry to kfd_dev

Patch series to remove kgd_dev struct and replace all instances with
amdgpu_device objects.

amdgpu_device needs to be declared in kgd_kfd_interface.h to be visible
to kfd2kgd_calls.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_device.c

@@ -825,6 +825,7 @@ struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, bool vf)
 		return NULL;
 
 	kfd->kgd = kgd;
+	kfd->adev = adev;
 	kfd->device_info = device_info;
 	kfd->pdev = pdev;
 	kfd->init_complete = false;

drivers/gpu/drm/amd/amdkfd/kfd_priv.h

@@ -229,6 +229,7 @@ struct kfd_vmid_info {
 
 struct kfd_dev {
 	struct kgd_dev *kgd;
+	struct amdgpu_device *adev;
 
 	const struct kfd_device_info *device_info;
 	struct pci_dev *pdev;

drivers/gpu/drm/amd/include/kgd_kfd_interface.h

@@ -33,6 +33,7 @@
 #include <linux/dma-fence.h>
 
 struct pci_dev;
+struct amdgpu_device;
 
 #define KGD_MAX_QUEUES 128