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drm/amd: add new interface to query cu info

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Signed-off-by: Flora Cui <flora.cui@amd.com>
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Flora Cui 2017-12-08 23:08:39 -05:00 committed by Oded Gabbay
parent c0ede1f8dc
commit 8cce58fe69
1 changed files with 19 additions and 0 deletions
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19
drivers/gpu/drm/amd/include/kgd_kfd_interface.h
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@ -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);
};
/**