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drm/amdgpu: Add support for reporting VRAM usage 

Add functions to report the vram_usage from the amdgpu_device

Signed-off-by: Kent Russell <kent.russell@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>
hifive-unleashed-5.1
Kent Russell 2017-12-08 23:09:05 -05:00 committed by Oded Gabbay
parent b441093e40
commit 9f0a0b41ff
5 changed files with 15 additions and 2 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
View File

@ -347,3 +347,10 @@ void get_cu_info(struct kgd_dev *kgd, struct kfd_cu_info *cu_info)
cu_info->max_scratch_slots_per_cu = acu_info.max_scratch_slots_per_cu;
cu_info->lds_size = acu_info.lds_size;
}
uint64_t amdgpu_amdkfd_get_vram_usage(struct kgd_dev *kgd)
{
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
return amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
}

1
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
View File

@ -62,6 +62,7 @@ uint64_t get_gpu_clock_counter(struct kgd_dev *kgd);
uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd);
void get_cu_info(struct kgd_dev *kgd, struct kfd_cu_info *cu_info);
uint64_t amdgpu_amdkfd_get_vram_usage(struct kgd_dev *kgd);
#define read_user_wptr(mmptr, wptr, dst) \
({ \

3
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
View File

@ -200,7 +200,8 @@ static const struct kfd2kgd_calls kfd2kgd = {
.get_fw_version = get_fw_version,
.set_scratch_backing_va = set_scratch_backing_va,
.get_tile_config = get_tile_config,
.get_cu_info = get_cu_info
.get_cu_info = get_cu_info,
.get_vram_usage = amdgpu_amdkfd_get_vram_usage
};
struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void)

3
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
View File

@ -161,7 +161,8 @@ static const struct kfd2kgd_calls kfd2kgd = {
.get_fw_version = get_fw_version,
.set_scratch_backing_va = set_scratch_backing_va,
.get_tile_config = get_tile_config,
.get_cu_info = get_cu_info
.get_cu_info = get_cu_info,
.get_vram_usage = amdgpu_amdkfd_get_vram_usage
};
struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void)

3
drivers/gpu/drm/amd/include/kgd_kfd_interface.h
View File

@ -177,6 +177,8 @@ struct tile_config {
*
* @get_cu_info: Retrieves activated cu info
*
* @get_vram_usage: Returns current VRAM usage
*
* This structure contains function pointers to services that the kgd driver
* provides to amdkfd driver.
*
@ -267,6 +269,7 @@ struct kfd2kgd_calls {
void (*get_cu_info)(struct kgd_dev *kgd,
struct kfd_cu_info *cu_info);
uint64_t (*get_vram_usage)(struct kgd_dev *kgd);
};
/**