From 8cce58fe698a34227b396217556a342c10ae037d Mon Sep 17 00:00:00 2001 From: Flora Cui Date: Fri, 8 Dec 2017 23:08:39 -0500 Subject: [PATCH] drm/amd: add new interface to query cu info Signed-off-by: Flora Cui Signed-off-by: Harish Kasiviswanathan Signed-off-by: Felix Kuehling Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- .../gpu/drm/amd/include/kgd_kfd_interface.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h index fe3079a33a3d..3a93ffeae1ae 100644 --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h @@ -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); }; /** -- 2.45.2