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drm/amd/amdgpu: Prepare implementation to support reporting of CU usage 

[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.Errabolu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ramesh Errabolu 2020-09-29 12:06:15 -05:00 committed by Alex Deucher
parent b8810a142a
commit 825c91d090
2 changed files with 6 additions and 2 deletions
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5
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
View File

@ -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"
@ -788,7 +789,6 @@ 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 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;

3
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h
View File

@ -26,4 +26,7 @@
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,
u32 instance);
#endif