From 9f0a0b41ffccf9a76b19ea263ae16d2d5888093e Mon Sep 17 00:00:00 2001 From: Kent Russell Date: Fri, 8 Dec 2017 23:09:05 -0500 Subject: [PATCH] drm/amdgpu: Add support for reporting VRAM usage Add functions to report the vram_usage from the amdgpu_device Signed-off-by: Kent Russell Signed-off-by: Felix Kuehling Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 7 +++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c | 3 ++- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c | 3 ++- drivers/gpu/drm/amd/include/kgd_kfd_interface.h | 3 +++ 5 files changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 996d3538f751..335e454e2ee1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -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]); +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index eed7dea5e8ac..2a519f9062ee 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -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) \ ({ \ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c index c9e2fbe151ff..3d60e1fd9b68 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c @@ -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) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c index 72ff6463594d..66b513e96437 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c @@ -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) diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h index 0899cee6a60f..a6752bd0c871 100644 --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h @@ -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); }; /** -- 2.11.0