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Commit 4073ed78 authored by Harish Kasiviswanathan's avatar Harish Kasiviswanathan Committed by Oded Gabbay
Browse files

drm/amd: Add get_local_mem_info to KGD-KFD interface 



Add get_local_mem_info which provides more information about local
memory than get_vmem_size:
- public and private framebuffer size
- memory clock

Signed-off-by: default avatarHarish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: default avatarBen Goz <ben.goz@amd.com>
Signed-off-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
parent ebdebf42

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

+12 −0
Original line number Diff line number Diff line
@@ -60,6 +60,14 @@ struct kfd_cu_info { 
	uint32_t cu_bitmap[4][4];

};



/* For getting GPU local memory information from KGD */

struct kfd_local_mem_info {

	uint64_t local_mem_size_private;

	uint64_t local_mem_size_public;

	uint32_t vram_width;

	uint32_t mem_clk_max;

};



enum kgd_memory_pool {

	KGD_POOL_SYSTEM_CACHEABLE = 1,

	KGD_POOL_SYSTEM_WRITECOMBINE = 2,
@@ -122,6 +130,8 @@ struct tile_config { 
 *

 * @get_vmem_size: Retrieves (physical) size of VRAM

 *

 * @get_local_mem_info: Retrieves information about GPU local memory

 *

 * @get_gpu_clock_counter: Retrieves GPU clock counter

 *

 * @get_max_engine_clock_in_mhz: Retrieves maximum GPU clock in MHz
@@ -181,6 +191,8 @@ struct kfd2kgd_calls { 
	void (*free_gtt_mem)(struct kgd_dev *kgd, void *mem_obj);



	uint64_t (*get_vmem_size)(struct kgd_dev *kgd);

	void (*get_local_mem_info)(struct kgd_dev *kgd,

			struct kfd_local_mem_info *mem_info);

	uint64_t (*get_gpu_clock_counter)(struct kgd_dev *kgd);



	uint32_t (*get_max_engine_clock_in_mhz)(struct kgd_dev *kgd);