drm/amdkfd: Add multiple kgd support

The current code can only support one kgd instance. We have to
support multiple kgd instances in one system. i.e two amdgpu or two
radeon or one amdgpu + one radeon or more than two kgd instances.

Signed-off-by: Xihan Zhang <xihan.zhang@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>

1 files changed, 32 insertions, 32 deletions

diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
index 239bc16a1ddd..dabd94446b7b 100644
--- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
@@ -77,37 +77,6 @@ struct kgd2kfd_shared_resources {
 };
 
 /**
- * struct kgd2kfd_calls
- *
- * @exit: Notifies amdkfd that kgd module is unloaded
- *
- * @probe: Notifies amdkfd about a probe done on a device in the kgd driver.
- *
- * @device_init: Initialize the newly probed device (if it is a device that
- * amdkfd supports)
- *
- * @device_exit: Notifies amdkfd about a removal of a kgd device
- *
- * @suspend: Notifies amdkfd about a suspend action done to a kgd device
- *
- * @resume: Notifies amdkfd about a resume action done to a kgd device
- *
- * This structure contains function callback pointers so the kgd driver
- * will notify to the amdkfd about certain status changes.
- *
- */
-struct kgd2kfd_calls {
-	void (*exit)(void);
-	struct kfd_dev* (*probe)(struct kgd_dev *kgd, struct pci_dev *pdev);
-	bool (*device_init)(struct kfd_dev *kfd,
-			const struct kgd2kfd_shared_resources *gpu_resources);
-	void (*device_exit)(struct kfd_dev *kfd);
-	void (*interrupt)(struct kfd_dev *kfd, const void *ih_ring_entry);
-	void (*suspend)(struct kfd_dev *kfd);
-	int (*resume)(struct kfd_dev *kfd);
-};
-
-/**
  * struct kfd2kgd_calls
  *
  * @init_gtt_mem_allocation: Allocate a buffer on the gart aperture.
@@ -196,8 +165,39 @@ struct kfd2kgd_calls {
 				enum kgd_engine_type type);
 };
 
+/**
+ * struct kgd2kfd_calls
+ *
+ * @exit: Notifies amdkfd that kgd module is unloaded
+ *
+ * @probe: Notifies amdkfd about a probe done on a device in the kgd driver.
+ *
+ * @device_init: Initialize the newly probed device (if it is a device that
+ * amdkfd supports)
+ *
+ * @device_exit: Notifies amdkfd about a removal of a kgd device
+ *
+ * @suspend: Notifies amdkfd about a suspend action done to a kgd device
+ *
+ * @resume: Notifies amdkfd about a resume action done to a kgd device
+ *
+ * This structure contains function callback pointers so the kgd driver
+ * will notify to the amdkfd about certain status changes.
+ *
+ */
+struct kgd2kfd_calls {
+	void (*exit)(void);
+	struct kfd_dev* (*probe)(struct kgd_dev *kgd, struct pci_dev *pdev,
+		const struct kfd2kgd_calls *f2g);
+	bool (*device_init)(struct kfd_dev *kfd,
+			const struct kgd2kfd_shared_resources *gpu_resources);
+	void (*device_exit)(struct kfd_dev *kfd);
+	void (*interrupt)(struct kfd_dev *kfd, const void *ih_ring_entry);
+	void (*suspend)(struct kfd_dev *kfd);
+	int (*resume)(struct kfd_dev *kfd);
+};
+
 bool kgd2kfd_init(unsigned interface_version,
-		const struct kfd2kgd_calls *f2g,
 		const struct kgd2kfd_calls **g2f);
 
 #endif	/* KGD_KFD_INTERFACE_H_INCLUDED */