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| author | Samuel Pitoiset <samuel.pitoiset@gmail.com> | 2017-02-09 11:33:37 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-02-09 11:29:44 -0500 |
| commit | fad061270ac43ff9eed315f0eae7c40b694592de (patch) | |
| tree | 8d3b407141622c4addc4898b9b9c4192d332c30e | |
| parent | 38fc4856ad98f230bc91da0421dec69e4aee40f8 (diff) | |
| download | linux-fad061270ac43ff9eed315f0eae7c40b694592de.tar.gz linux-fad061270ac43ff9eed315f0eae7c40b694592de.tar.xz | |
drm/amdgpu: report the number of bytes moved at buffer creation
Like ttm_bo_validate(), ttm_bo_init() might need to move BO and
the number of bytes moved by TTM should be reported. This can help
the throttle buffer migration mechanism to make a better decision.
v2: fix computation
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 6 |
3 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 94a64e3bc682..96ad79627dbb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1709,6 +1709,7 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data); int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type, u32 ip_instance, u32 ring, struct amdgpu_ring **out_ring); +void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes); void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *abo, u32 domain); bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object *bo); int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index cf2e8c4e9b8b..57301f5936fa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -344,8 +344,7 @@ static u64 amdgpu_cs_get_threshold_for_moves(struct amdgpu_device *adev) * submission. This can result in a debt that can stop buffer migrations * temporarily. */ -static void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, - u64 num_bytes) +void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes) { spin_lock(&adev->mm_stats.lock); adev->mm_stats.accum_us -= bytes_to_us(adev, num_bytes); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 993c003a42e4..be80a4a68d7b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -323,6 +323,7 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev, struct amdgpu_bo *bo; enum ttm_bo_type type; unsigned long page_align; + u64 initial_bytes_moved; size_t acc_size; int r; @@ -401,10 +402,15 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev, locked = ww_mutex_trylock(&bo->tbo.ttm_resv.lock); WARN_ON(!locked); } + + initial_bytes_moved = atomic64_read(&adev->num_bytes_moved); r = ttm_bo_init(&adev->mman.bdev, &bo->tbo, size, type, &bo->placement, page_align, !kernel, NULL, acc_size, sg, resv ? resv : &bo->tbo.ttm_resv, &amdgpu_ttm_bo_destroy); + amdgpu_cs_report_moved_bytes(adev, + atomic64_read(&adev->num_bytes_moved) - initial_bytes_moved); + if (unlikely(r != 0)) { if (!resv) ww_mutex_unlock(&bo->tbo.resv->lock); |