drm/amd: make a type-safe cgs_device struct. (v2)

This is just a type-safety things to avoid everyone taking void *,
it doesn't change anything.

v2: agd5f: split out the dal changes into a separate patch.

Signed-off-by: Dave Airlie <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/acp/acp_hw.c

···
 
 #define mmACP_AZALIA_I2S_SELECT 0x51d4
 
-int amd_acp_hw_init(void *cgs_device,
+int amd_acp_hw_init(struct cgs_device *cgs_device,
 		    unsigned acp_version_major, unsigned acp_version_minor)
 {
 	unsigned int acp_mode = ACP_MODE_I2S;

drivers/gpu/drm/amd/acp/include/acp_gfx_if.h

···
 #include "cgs_linux.h"
 #include "cgs_common.h"
 
-int amd_acp_hw_init(void *cgs_device,
+int amd_acp_hw_init(struct cgs_device *cgs_device,
 		    unsigned acp_version_major, unsigned acp_version_minor);
 
 #endif /* _ACP_GFX_IF_H */

drivers/gpu/drm/amd/amdgpu/amdgpu.h

···
 /*
  * CGS
  */
-void *amdgpu_cgs_create_device(struct amdgpu_device *adev);
-void amdgpu_cgs_destroy_device(void *cgs_device);
-
-
-/*
- * CGS
- */
-void *amdgpu_cgs_create_device(struct amdgpu_device *adev);
-void amdgpu_cgs_destroy_device(void *cgs_device);
+struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
+void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
 
 
 /* GPU virtualization */

drivers/gpu/drm/amd/amdgpu/amdgpu_acp.h

···
 
 struct amdgpu_acp {
 	struct device *parent;
-	void *cgs_device;
+	struct cgs_device *cgs_device;
 	struct amd_acp_private *private;
 	struct mfd_cell *acp_cell;
 	struct resource *acp_res;

drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c

···
 	struct amdgpu_device *adev =					\
 		((struct amdgpu_cgs_device *)cgs_device)->adev
 
-static int amdgpu_cgs_gpu_mem_info(void *cgs_device, enum cgs_gpu_mem_type type,
+static int amdgpu_cgs_gpu_mem_info(struct cgs_device *cgs_device, enum cgs_gpu_mem_type type,
 				   uint64_t *mc_start, uint64_t *mc_size,
 				   uint64_t *mem_size)
 {
···
 	return 0;
 }
 
-static int amdgpu_cgs_gmap_kmem(void *cgs_device, void *kmem,
+static int amdgpu_cgs_gmap_kmem(struct cgs_device *cgs_device, void *kmem,
 				uint64_t size,
 				uint64_t min_offset, uint64_t max_offset,
 				cgs_handle_t *kmem_handle, uint64_t *mcaddr)
···
 	return ret;
 }
 
-static int amdgpu_cgs_gunmap_kmem(void *cgs_device, cgs_handle_t kmem_handle)
+static int amdgpu_cgs_gunmap_kmem(struct cgs_device *cgs_device, cgs_handle_t kmem_handle)
 {
 	struct amdgpu_bo *obj = (struct amdgpu_bo *)kmem_handle;
 
···
 	return 0;
 }
 
-static int amdgpu_cgs_alloc_gpu_mem(void *cgs_device,
+static int amdgpu_cgs_alloc_gpu_mem(struct cgs_device *cgs_device,
 				    enum cgs_gpu_mem_type type,
 				    uint64_t size, uint64_t align,
 				    uint64_t min_offset, uint64_t max_offset,
···
 	return ret;
 }
 
-static int amdgpu_cgs_free_gpu_mem(void *cgs_device, cgs_handle_t handle)
+static int amdgpu_cgs_free_gpu_mem(struct cgs_device *cgs_device, cgs_handle_t handle)
 {
 	struct amdgpu_bo *obj = (struct amdgpu_bo *)handle;
 
···
 	return 0;
 }
 
-static int amdgpu_cgs_gmap_gpu_mem(void *cgs_device, cgs_handle_t handle,
+static int amdgpu_cgs_gmap_gpu_mem(struct cgs_device *cgs_device, cgs_handle_t handle,
 				   uint64_t *mcaddr)
 {
 	int r;
···
 	return r;
 }
 
-static int amdgpu_cgs_gunmap_gpu_mem(void *cgs_device, cgs_handle_t handle)
+static int amdgpu_cgs_gunmap_gpu_mem(struct cgs_device *cgs_device, cgs_handle_t handle)
 {
 	int r;
 	struct amdgpu_bo *obj = (struct amdgpu_bo *)handle;
···
 	return r;
 }
 
-static int amdgpu_cgs_kmap_gpu_mem(void *cgs_device, cgs_handle_t handle,
+static int amdgpu_cgs_kmap_gpu_mem(struct cgs_device *cgs_device, cgs_handle_t handle,
 				   void **map)
 {
 	int r;
···
 	return r;
 }
 
-static int amdgpu_cgs_kunmap_gpu_mem(void *cgs_device, cgs_handle_t handle)
+static int amdgpu_cgs_kunmap_gpu_mem(struct cgs_device *cgs_device, cgs_handle_t handle)
 {
 	int r;
 	struct amdgpu_bo *obj = (struct amdgpu_bo *)handle;
···
 	return r;
 }
 
-static uint32_t amdgpu_cgs_read_register(void *cgs_device, unsigned offset)
+static uint32_t amdgpu_cgs_read_register(struct cgs_device *cgs_device, unsigned offset)
 {
 	CGS_FUNC_ADEV;
 	return RREG32(offset);
 }
 
-static void amdgpu_cgs_write_register(void *cgs_device, unsigned offset,
+static void amdgpu_cgs_write_register(struct cgs_device *cgs_device, unsigned offset,
 				      uint32_t value)
 {
 	CGS_FUNC_ADEV;
 	WREG32(offset, value);
 }
 
-static uint32_t amdgpu_cgs_read_ind_register(void *cgs_device,
+static uint32_t amdgpu_cgs_read_ind_register(struct cgs_device *cgs_device,
 					     enum cgs_ind_reg space,
 					     unsigned index)
 {
···
 	return 0;
 }
 
-static void amdgpu_cgs_write_ind_register(void *cgs_device,
+static void amdgpu_cgs_write_ind_register(struct cgs_device *cgs_device,
 					  enum cgs_ind_reg space,
 					  unsigned index, uint32_t value)
 {
···
 	WARN(1, "Invalid indirect register space");
 }
 
-static uint8_t amdgpu_cgs_read_pci_config_byte(void *cgs_device, unsigned addr)
+static uint8_t amdgpu_cgs_read_pci_config_byte(struct cgs_device *cgs_device, unsigned addr)
 {
 	CGS_FUNC_ADEV;
 	uint8_t val;
···
 	return val;
 }
 
-static uint16_t amdgpu_cgs_read_pci_config_word(void *cgs_device, unsigned addr)
+static uint16_t amdgpu_cgs_read_pci_config_word(struct cgs_device *cgs_device, unsigned addr)
 {
 	CGS_FUNC_ADEV;
 	uint16_t val;
···
 	return val;
 }
 
-static uint32_t amdgpu_cgs_read_pci_config_dword(void *cgs_device,
+static uint32_t amdgpu_cgs_read_pci_config_dword(struct cgs_device *cgs_device,
 						 unsigned addr)
 {
 	CGS_FUNC_ADEV;
···
 	return val;
 }
 
-static void amdgpu_cgs_write_pci_config_byte(void *cgs_device, unsigned addr,
+static void amdgpu_cgs_write_pci_config_byte(struct cgs_device *cgs_device, unsigned addr,
 					     uint8_t value)
 {
 	CGS_FUNC_ADEV;
···
 	WARN(ret, "pci_write_config_byte error");
 }
 
-static void amdgpu_cgs_write_pci_config_word(void *cgs_device, unsigned addr,
+static void amdgpu_cgs_write_pci_config_word(struct cgs_device *cgs_device, unsigned addr,
 					     uint16_t value)
 {
 	CGS_FUNC_ADEV;
···
 	WARN(ret, "pci_write_config_word error");
 }
 
-static void amdgpu_cgs_write_pci_config_dword(void *cgs_device, unsigned addr,
+static void amdgpu_cgs_write_pci_config_dword(struct cgs_device *cgs_device, unsigned addr,
 					      uint32_t value)
 {
 	CGS_FUNC_ADEV;
···
 }
 
 
-static int amdgpu_cgs_get_pci_resource(void *cgs_device,
+static int amdgpu_cgs_get_pci_resource(struct cgs_device *cgs_device,
 				       enum cgs_resource_type resource_type,
 				       uint64_t size,
 				       uint64_t offset,
···
 	}
 }
 
-static const void *amdgpu_cgs_atom_get_data_table(void *cgs_device,
+static const void *amdgpu_cgs_atom_get_data_table(struct cgs_device *cgs_device,
 						  unsigned table, uint16_t *size,
 						  uint8_t *frev, uint8_t *crev)
 {
···
 	return NULL;
 }
 
-static int amdgpu_cgs_atom_get_cmd_table_revs(void *cgs_device, unsigned table,
+static int amdgpu_cgs_atom_get_cmd_table_revs(struct cgs_device *cgs_device, unsigned table,
 					      uint8_t *frev, uint8_t *crev)
 {
 	CGS_FUNC_ADEV;
···
 	return -EINVAL;
 }
 
-static int amdgpu_cgs_atom_exec_cmd_table(void *cgs_device, unsigned table,
+static int amdgpu_cgs_atom_exec_cmd_table(struct cgs_device *cgs_device, unsigned table,
 					  void *args)
 {
 	CGS_FUNC_ADEV;
···
 		adev->mode_info.atom_context, table, args);
 }
 
-static int amdgpu_cgs_create_pm_request(void *cgs_device, cgs_handle_t *request)
+static int amdgpu_cgs_create_pm_request(struct cgs_device *cgs_device, cgs_handle_t *request)
 {
 	/* TODO */
 	return 0;
 }
 
-static int amdgpu_cgs_destroy_pm_request(void *cgs_device, cgs_handle_t request)
+static int amdgpu_cgs_destroy_pm_request(struct cgs_device *cgs_device, cgs_handle_t request)
 {
 	/* TODO */
 	return 0;
 }
 
-static int amdgpu_cgs_set_pm_request(void *cgs_device, cgs_handle_t request,
+static int amdgpu_cgs_set_pm_request(struct cgs_device *cgs_device, cgs_handle_t request,
 				     int active)
 {
 	/* TODO */
 	return 0;
 }
 
-static int amdgpu_cgs_pm_request_clock(void *cgs_device, cgs_handle_t request,
+static int amdgpu_cgs_pm_request_clock(struct cgs_device *cgs_device, cgs_handle_t request,
 				       enum cgs_clock clock, unsigned freq)
 {
 	/* TODO */
 	return 0;
 }
 
-static int amdgpu_cgs_pm_request_engine(void *cgs_device, cgs_handle_t request,
+static int amdgpu_cgs_pm_request_engine(struct cgs_device *cgs_device, cgs_handle_t request,
 					enum cgs_engine engine, int powered)
 {
 	/* TODO */
···
 
 
 
-static int amdgpu_cgs_pm_query_clock_limits(void *cgs_device,
+static int amdgpu_cgs_pm_query_clock_limits(struct cgs_device *cgs_device,
 					    enum cgs_clock clock,
 					    struct cgs_clock_limits *limits)
 {
···
 	return 0;
 }
 
-static int amdgpu_cgs_set_camera_voltages(void *cgs_device, uint32_t mask,
+static int amdgpu_cgs_set_camera_voltages(struct cgs_device *cgs_device, uint32_t mask,
 					  const uint32_t *voltages)
 {
 	DRM_ERROR("not implemented");
···
 	.process = cgs_process_irq,
 };
 
-static int amdgpu_cgs_add_irq_source(void *cgs_device, unsigned src_id,
+static int amdgpu_cgs_add_irq_source(struct cgs_device *cgs_device, unsigned src_id,
 				     unsigned num_types,
 				     cgs_irq_source_set_func_t set,
 				     cgs_irq_handler_func_t handler,
···
 	return ret;
 }
 
-static int amdgpu_cgs_irq_get(void *cgs_device, unsigned src_id, unsigned type)
+static int amdgpu_cgs_irq_get(struct cgs_device *cgs_device, unsigned src_id, unsigned type)
 {
 	CGS_FUNC_ADEV;
 	return amdgpu_irq_get(adev, adev->irq.sources[src_id], type);
 }
 
-static int amdgpu_cgs_irq_put(void *cgs_device, unsigned src_id, unsigned type)
+static int amdgpu_cgs_irq_put(struct cgs_device *cgs_device, unsigned src_id, unsigned type)
 {
 	CGS_FUNC_ADEV;
 	return amdgpu_irq_put(adev, adev->irq.sources[src_id], type);
 }
 
-int amdgpu_cgs_set_clockgating_state(void *cgs_device,
+int amdgpu_cgs_set_clockgating_state(struct cgs_device *cgs_device,
 				  enum amd_ip_block_type block_type,
 				  enum amd_clockgating_state state)
 {
···
 	return r;
 }
 
-int amdgpu_cgs_set_powergating_state(void *cgs_device,
+int amdgpu_cgs_set_powergating_state(struct cgs_device *cgs_device,
 				  enum amd_ip_block_type block_type,
 				  enum amd_powergating_state state)
 {
···
 }
 
 
-static uint32_t fw_type_convert(void *cgs_device, uint32_t fw_type)
+static uint32_t fw_type_convert(struct cgs_device *cgs_device, uint32_t fw_type)
 {
 	CGS_FUNC_ADEV;
 	enum AMDGPU_UCODE_ID result = AMDGPU_UCODE_ID_MAXIMUM;
···
 	return result;
 }
 
-static int amdgpu_cgs_get_firmware_info(void *cgs_device,
+static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device,
 					enum cgs_ucode_id type,
 					struct cgs_firmware_info *info)
 {
···
 	return 0;
 }
 
-static int amdgpu_cgs_query_system_info(void *cgs_device,
+static int amdgpu_cgs_query_system_info(struct cgs_device *cgs_device,
 				struct cgs_system_info *sys_info)
 {
 	CGS_FUNC_ADEV;
···
 	return 0;
 }
 
-static int amdgpu_cgs_get_active_displays_info(void *cgs_device,
+static int amdgpu_cgs_get_active_displays_info(struct cgs_device *cgs_device,
 					  struct cgs_display_info *info)
 {
 	CGS_FUNC_ADEV;
···
 }
 
 
-static int amdgpu_cgs_notify_dpm_enabled(void *cgs_device, bool enabled)
+static int amdgpu_cgs_notify_dpm_enabled(struct cgs_device *cgs_device, bool enabled)
 {
 	CGS_FUNC_ADEV;
 
···
  */
 
 #if defined(CONFIG_ACPI)
-static int amdgpu_cgs_acpi_eval_object(void *cgs_device,
+static int amdgpu_cgs_acpi_eval_object(struct cgs_device *cgs_device,
 				    struct cgs_acpi_method_info *info)
 {
 	CGS_FUNC_ADEV;
···
 	return result;
 }
 #else
-static int amdgpu_cgs_acpi_eval_object(void *cgs_device,
+static int amdgpu_cgs_acpi_eval_object(struct cgs_device *cgs_device,
 				struct cgs_acpi_method_info *info)
 {
 	return -EIO;
 }
 #endif
 
-int amdgpu_cgs_call_acpi_method(void *cgs_device,
+int amdgpu_cgs_call_acpi_method(struct cgs_device *cgs_device,
 					uint32_t acpi_method,
 					uint32_t acpi_function,
 					void *pinput, void *poutput,
···
 	amdgpu_cgs_irq_put
 };
 
-void *amdgpu_cgs_create_device(struct amdgpu_device *adev)
+struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev)
 {
 	struct amdgpu_cgs_device *cgs_device =
 		kmalloc(sizeof(*cgs_device), GFP_KERNEL);
···
 	cgs_device->base.os_ops = &amdgpu_cgs_os_ops;
 	cgs_device->adev = adev;
 
-	return cgs_device;
+	return (struct cgs_device *)cgs_device;
 }
 
-void amdgpu_cgs_destroy_device(void *cgs_device)
+void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device)
 {
 	kfree(cgs_device);
 }

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

···
 
 #include "amd_shared.h"
 
+struct cgs_device;
+
 /**
  * enum cgs_gpu_mem_type - GPU memory types
  */
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_gpu_mem_info_t)(void *cgs_device, enum cgs_gpu_mem_type type,
+typedef int (*cgs_gpu_mem_info_t)(struct cgs_device *cgs_device, enum cgs_gpu_mem_type type,
 				  uint64_t *mc_start, uint64_t *mc_size,
 				  uint64_t *mem_size);
 
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_gmap_kmem_t)(void *cgs_device, void *kmem, uint64_t size,
+typedef int (*cgs_gmap_kmem_t)(struct cgs_device *cgs_device, void *kmem, uint64_t size,
 			       uint64_t min_offset, uint64_t max_offset,
 			       cgs_handle_t *kmem_handle, uint64_t *mcaddr);
 
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_gunmap_kmem_t)(void *cgs_device, cgs_handle_t kmem_handle);
+typedef int (*cgs_gunmap_kmem_t)(struct cgs_device *cgs_device, cgs_handle_t kmem_handle);
 
 /**
  * cgs_alloc_gpu_mem() - Allocate GPU memory
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_alloc_gpu_mem_t)(void *cgs_device, enum cgs_gpu_mem_type type,
+typedef int (*cgs_alloc_gpu_mem_t)(struct cgs_device *cgs_device, enum cgs_gpu_mem_type type,
 				   uint64_t size, uint64_t align,
 				   uint64_t min_offset, uint64_t max_offset,
 				   cgs_handle_t *handle);
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_free_gpu_mem_t)(void *cgs_device, cgs_handle_t handle);
+typedef int (*cgs_free_gpu_mem_t)(struct cgs_device *cgs_device, cgs_handle_t handle);
 
 /**
  * cgs_gmap_gpu_mem() - GPU-map GPU memory
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_gmap_gpu_mem_t)(void *cgs_device, cgs_handle_t handle,
+typedef int (*cgs_gmap_gpu_mem_t)(struct cgs_device *cgs_device, cgs_handle_t handle,
 				  uint64_t *mcaddr);
 
 /**
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_gunmap_gpu_mem_t)(void *cgs_device, cgs_handle_t handle);
+typedef int (*cgs_gunmap_gpu_mem_t)(struct cgs_device *cgs_device, cgs_handle_t handle);
 
 /**
  * cgs_kmap_gpu_mem() - Kernel-map GPU memory
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_kmap_gpu_mem_t)(void *cgs_device, cgs_handle_t handle,
+typedef int (*cgs_kmap_gpu_mem_t)(struct cgs_device *cgs_device, cgs_handle_t handle,
 				  void **map);
 
 /**
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_kunmap_gpu_mem_t)(void *cgs_device, cgs_handle_t handle);
+typedef int (*cgs_kunmap_gpu_mem_t)(struct cgs_device *cgs_device, cgs_handle_t handle);
 
 /**
  * cgs_read_register() - Read an MMIO register
···
  *
  * Return:  register value
  */
-typedef uint32_t (*cgs_read_register_t)(void *cgs_device, unsigned offset);
+typedef uint32_t (*cgs_read_register_t)(struct cgs_device *cgs_device, unsigned offset);
 
 /**
  * cgs_write_register() - Write an MMIO register
···
  * @offset:	register offset
  * @value:	register value
  */
-typedef void (*cgs_write_register_t)(void *cgs_device, unsigned offset,
+typedef void (*cgs_write_register_t)(struct cgs_device *cgs_device, unsigned offset,
 				     uint32_t value);
 
 /**
···
  *
  * Return:  register value
  */
-typedef uint32_t (*cgs_read_ind_register_t)(void *cgs_device, enum cgs_ind_reg space,
+typedef uint32_t (*cgs_read_ind_register_t)(struct cgs_device *cgs_device, enum cgs_ind_reg space,
 					    unsigned index);
 
 /**
···
  * @offset:	register offset
  * @value:	register value
  */
-typedef void (*cgs_write_ind_register_t)(void *cgs_device, enum cgs_ind_reg space,
+typedef void (*cgs_write_ind_register_t)(struct cgs_device *cgs_device, enum cgs_ind_reg space,
 					 unsigned index, uint32_t value);
 
 /**
···
  *
  * Return:  Value read
  */
-typedef uint8_t (*cgs_read_pci_config_byte_t)(void *cgs_device, unsigned addr);
+typedef uint8_t (*cgs_read_pci_config_byte_t)(struct cgs_device *cgs_device, unsigned addr);
 
 /**
  * cgs_read_pci_config_word() - Read word from PCI configuration space
···
  *
  * Return:  Value read
  */
-typedef uint16_t (*cgs_read_pci_config_word_t)(void *cgs_device, unsigned addr);
+typedef uint16_t (*cgs_read_pci_config_word_t)(struct cgs_device *cgs_device, unsigned addr);
 
 /**
  * cgs_read_pci_config_dword() - Read dword from PCI configuration space
···
  *
  * Return:  Value read
  */
-typedef uint32_t (*cgs_read_pci_config_dword_t)(void *cgs_device,
+typedef uint32_t (*cgs_read_pci_config_dword_t)(struct cgs_device *cgs_device,
 						unsigned addr);
 
 /**
···
  * @addr:	address
  * @value:	value to write
  */
-typedef void (*cgs_write_pci_config_byte_t)(void *cgs_device, unsigned addr,
+typedef void (*cgs_write_pci_config_byte_t)(struct cgs_device *cgs_device, unsigned addr,
 					    uint8_t value);
 
 /**
···
  * @addr:	address, must be word-aligned
  * @value:	value to write
  */
-typedef void (*cgs_write_pci_config_word_t)(void *cgs_device, unsigned addr,
+typedef void (*cgs_write_pci_config_word_t)(struct cgs_device *cgs_device, unsigned addr,
 					    uint16_t value);
 
 /**
···
  * @addr:	address, must be dword-aligned
  * @value:	value to write
  */
-typedef void (*cgs_write_pci_config_dword_t)(void *cgs_device, unsigned addr,
+typedef void (*cgs_write_pci_config_dword_t)(struct cgs_device *cgs_device, unsigned addr,
 					     uint32_t value);
 
 
···
  *
  * Return: 0 on success, -errno otherwise
  */
-typedef int (*cgs_get_pci_resource_t)(void *cgs_device,
+typedef int (*cgs_get_pci_resource_t)(struct cgs_device *cgs_device,
 				      enum cgs_resource_type resource_type,
 				      uint64_t size,
 				      uint64_t offset,
···
  * Return: Pointer to start of the table, or NULL on failure
  */
 typedef const void *(*cgs_atom_get_data_table_t)(
-	void *cgs_device, unsigned table,
+	struct cgs_device *cgs_device, unsigned table,
 	uint16_t *size, uint8_t *frev, uint8_t *crev);
 
 /**
···
  *
  * Return: 0 on success, -errno otherwise
  */
-typedef int (*cgs_atom_get_cmd_table_revs_t)(void *cgs_device, unsigned table,
+typedef int (*cgs_atom_get_cmd_table_revs_t)(struct cgs_device *cgs_device, unsigned table,
 					     uint8_t *frev, uint8_t *crev);
 
 /**
···
  *
  * Return: 0 on success, -errno otherwise
  */
-typedef int (*cgs_atom_exec_cmd_table_t)(void *cgs_device,
+typedef int (*cgs_atom_exec_cmd_table_t)(struct cgs_device *cgs_device,
 					 unsigned table, void *args);
 
 /**
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_create_pm_request_t)(void *cgs_device, cgs_handle_t *request);
+typedef int (*cgs_create_pm_request_t)(struct cgs_device *cgs_device, cgs_handle_t *request);
 
 /**
  * cgs_destroy_pm_request() - Destroy a power management request
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_destroy_pm_request_t)(void *cgs_device, cgs_handle_t request);
+typedef int (*cgs_destroy_pm_request_t)(struct cgs_device *cgs_device, cgs_handle_t request);
 
 /**
  * cgs_set_pm_request() - Activate or deactiveate a PM request
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_set_pm_request_t)(void *cgs_device, cgs_handle_t request,
+typedef int (*cgs_set_pm_request_t)(struct cgs_device *cgs_device, cgs_handle_t request,
 				    int active);
 
 /**
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_pm_request_clock_t)(void *cgs_device, cgs_handle_t request,
+typedef int (*cgs_pm_request_clock_t)(struct cgs_device *cgs_device, cgs_handle_t request,
 				      enum cgs_clock clock, unsigned freq);
 
 /**
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_pm_request_engine_t)(void *cgs_device, cgs_handle_t request,
+typedef int (*cgs_pm_request_engine_t)(struct cgs_device *cgs_device, cgs_handle_t request,
 				       enum cgs_engine engine, int powered);
 
 /**
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_pm_query_clock_limits_t)(void *cgs_device,
+typedef int (*cgs_pm_query_clock_limits_t)(struct cgs_device *cgs_device,
 					   enum cgs_clock clock,
 					   struct cgs_clock_limits *limits);
 
···
  *
  * Return: 0 on success, -errno otherwise
  */
-typedef int (*cgs_set_camera_voltages_t)(void *cgs_device, uint32_t mask,
+typedef int (*cgs_set_camera_voltages_t)(struct cgs_device *cgs_device, uint32_t mask,
 					 const uint32_t *voltages);
 /**
  * cgs_get_firmware_info - Get the firmware information from core driver
···
  *
  * Return: 0 on success, -errno otherwise
  */
-typedef int (*cgs_get_firmware_info)(void *cgs_device,
+typedef int (*cgs_get_firmware_info)(struct cgs_device *cgs_device,
 				     enum cgs_ucode_id type,
 				     struct cgs_firmware_info *info);
 
-typedef int(*cgs_set_powergating_state)(void *cgs_device,
+typedef int(*cgs_set_powergating_state)(struct cgs_device *cgs_device,
 				  enum amd_ip_block_type block_type,
 				  enum amd_powergating_state state);
 
-typedef int(*cgs_set_clockgating_state)(void *cgs_device,
+typedef int(*cgs_set_clockgating_state)(struct cgs_device *cgs_device,
 				  enum amd_ip_block_type block_type,
 				  enum amd_clockgating_state state);
 
 typedef int(*cgs_get_active_displays_info)(
-					void *cgs_device,
+					struct cgs_device *cgs_device,
 					struct cgs_display_info *info);
 
-typedef int (*cgs_notify_dpm_enabled)(void *cgs_device, bool enabled);
+typedef int (*cgs_notify_dpm_enabled)(struct cgs_device *cgs_device, bool enabled);
 
-typedef int (*cgs_call_acpi_method)(void *cgs_device,
+typedef int (*cgs_call_acpi_method)(struct cgs_device *cgs_device,
 					uint32_t acpi_method,
 					uint32_t acpi_function,
 					void *pinput, void *poutput,
···
 					uint32_t input_size,
 					uint32_t output_size);
 
-typedef int (*cgs_query_system_info)(void *cgs_device,
+typedef int (*cgs_query_system_info)(struct cgs_device *cgs_device,
 				struct cgs_system_info *sys_info);
 
 struct cgs_ops {

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

···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_add_irq_source_t)(void *cgs_device, unsigned src_id,
+typedef int (*cgs_add_irq_source_t)(struct cgs_device *cgs_device, unsigned src_id,
 				    unsigned num_types,
 				    cgs_irq_source_set_func_t set,
 				    cgs_irq_handler_func_t handler,
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_irq_get_t)(void *cgs_device, unsigned src_id, unsigned type);
+typedef int (*cgs_irq_get_t)(struct cgs_device *cgs_device, unsigned src_id, unsigned type);
 
 /**
  * cgs_irq_put() - Indicate IRQ source is no longer needed
···
  *
  * Return:  0 on success, -errno otherwise
  */
-typedef int (*cgs_irq_put_t)(void *cgs_device, unsigned src_id, unsigned type);
+typedef int (*cgs_irq_put_t)(struct cgs_device *cgs_device, unsigned src_id, unsigned type);
 
 struct cgs_os_ops {
 	/* IRQ handling */