[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@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 9 +++++----
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h | 3 +++
2 files changed, 8 insertions(+), 4 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..b1ab9fd02db7 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"
@@ -786,9 +787,8 @@ 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);
+ 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;
@@ -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 407472031daa..dfe8d4841f58 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.h
@@ -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
--
2.27.0
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