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Commit 8cce58fe authored by Flora Cui's avatar Flora Cui Committed by Oded Gabbay
Browse files

drm/amd: add new interface to query cu info 



Signed-off-by: default avatarFlora Cui <flora.cui@amd.com>
Signed-off-by: default avatarHarish Kasiviswanathan <Harish.Kasiviswanathan@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 c0ede1f8

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

+19 −0
Original line number Diff line number Diff line
@@ -46,6 +46,20 @@ enum kfd_preempt_type { 
	KFD_PREEMPT_TYPE_WAVEFRONT_RESET,

};



struct kfd_cu_info {

	uint32_t num_shader_engines;

	uint32_t num_shader_arrays_per_engine;

	uint32_t num_cu_per_sh;

	uint32_t cu_active_number;

	uint32_t cu_ao_mask;

	uint32_t simd_per_cu;

	uint32_t max_waves_per_simd;

	uint32_t wave_front_size;

	uint32_t max_scratch_slots_per_cu;

	uint32_t lds_size;

	uint32_t cu_bitmap[4][4];

};



enum kgd_memory_pool {

	KGD_POOL_SYSTEM_CACHEABLE = 1,

	KGD_POOL_SYSTEM_WRITECOMBINE = 2,
@@ -153,6 +167,8 @@ struct tile_config { 
 *

 * @get_tile_config: Returns GPU-specific tiling mode information

 *

 * @get_cu_info: Retrieves activated cu info

 *

 * This structure contains function pointers to services that the kgd driver

 * provides to amdkfd driver.

 *
@@ -239,6 +255,9 @@ struct kfd2kgd_calls { 
	void (*set_scratch_backing_va)(struct kgd_dev *kgd,

				uint64_t va, uint32_t vmid);

	int (*get_tile_config)(struct kgd_dev *kgd, struct tile_config *config);



	void (*get_cu_info)(struct kgd_dev *kgd,

			struct kfd_cu_info *cu_info);

};



/**