[Why] Allow user to know number of compute units (CU) that are in use at any given moment.
[How] Read registers of SQ that give number of waves that are in flight of various queues. Use this information to determine number of CU's in use. Signed-off-by: Ramesh Errabolu <ramesh.errab...@amd.com> --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 11 ++++++----- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h | 5 +---- 2 files changed, 7 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 346d8288f6ab..75a17a4007ef 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -49,6 +49,7 @@ #include "amdgpu_ras.h" #include "gfx_v9_4.h" +#include "gfx_v9_0.h" #include "asic_reg/pwr/pwr_10_0_offset.h" #include "asic_reg/pwr/pwr_10_0_sh_mask.h" @@ -785,10 +786,9 @@ static void gfx_v9_0_set_ring_funcs(struct amdgpu_device *adev); static void gfx_v9_0_set_irq_funcs(struct amdgpu_device *adev); static void gfx_v9_0_set_gds_init(struct amdgpu_device *adev); static void gfx_v9_0_set_rlc_funcs(struct amdgpu_device *adev); -static int gfx_v9_0_get_cu_info(struct amdgpu_device *adev, - struct amdgpu_cu_info *cu_info); static uint64_t gfx_v9_0_get_gpu_clock_counter(struct amdgpu_device *adev); -static void gfx_v9_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance); +static int gfx_v9_0_get_cu_info(struct amdgpu_device *adev, + struct amdgpu_cu_info *cu_info); static void gfx_v9_0_ring_emit_de_meta(struct amdgpu_ring *ring); static u64 gfx_v9_0_ring_get_rptr_compute(struct amdgpu_ring *ring); static int gfx_v9_0_query_ras_error_count(struct amdgpu_device *adev, @@ -2397,7 +2397,8 @@ static void gfx_v9_0_tiling_mode_table_init(struct amdgpu_device *adev) /* TODO */ } -static void gfx_v9_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance) +void gfx_v9_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num, + u32 instance) { u32 data; @@ -6924,7 +6925,7 @@ static u32 gfx_v9_0_get_cu_active_bitmap(struct amdgpu_device *adev) } static int gfx_v9_0_get_cu_info(struct amdgpu_device *adev, - struct amdgpu_cu_info *cu_info) + struct amdgpu_cu_info *cu_info) { int i, j, k, counter, active_cu_number = 0; u32 mask, bitmap, ao_bitmap, ao_cu_mask = 0; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h index fa5a3fbaf6ab..37eba971acb1 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h @@ -26,9 +26,6 @@ extern const struct amdgpu_ip_block_version gfx_v9_0_ip_block; -void gfx_v9_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num); - -uint64_t gfx_v9_0_get_gpu_clock_counter(struct amdgpu_device *adev); -int gfx_v9_0_get_cu_info(struct amdgpu_device *adev, struct amdgpu_cu_info *cu_info); +void gfx_v9_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance); #endif -- 2.27.0 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx