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| author | Dave Airlie <airlied@redhat.com> | 2025-01-09 15:48:33 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2025-01-09 15:48:50 +1000 |
| commit | 0739b8ba82276f6caac3e544eb6cc21c16d1ca9e (patch) | |
| tree | 19f2102798d519a3eb71bb367cc0c433b584f24b /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | ae7f6d59ef8ca7de9a02320eb03b200ed76cde5e (diff) | |
| parent | 938fbb16aba8f7b88e0fdcf56f315a5bbad41aad (diff) | |
| download | lwn-0739b8ba82276f6caac3e544eb6cc21c16d1ca9e.tar.gz lwn-0739b8ba82276f6caac3e544eb6cc21c16d1ca9e.zip | |
Merge tag 'drm-misc-next-2025-01-06' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next for 6.14:
UAPI Changes:
- Clarify drm memory stats documentation
Cross-subsystem Changes:
Core Changes:
- sched: Documentation fixes,
Driver Changes:
- amdgpu: Track BO memory stats at runtime
- amdxdna: Various fixes
- hisilicon: New HIBMC driver
- bridges:
- Provide default implementation of atomic_check for HDMI bridges
- it605: HDCP improvements, MCCS Support
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250106-augmented-kakapo-of-action-0cf000@houat
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 111 |
1 files changed, 40 insertions, 71 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 4f057996ef35..96f4b8904e9a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1251,7 +1251,6 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, bool evict, struct ttm_resource *new_mem) { - struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev); struct ttm_resource *old_mem = bo->resource; struct amdgpu_bo *abo; @@ -1259,7 +1258,7 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, return; abo = ttm_to_amdgpu_bo(bo); - amdgpu_vm_bo_invalidate(adev, abo, evict); + amdgpu_vm_bo_move(abo, new_mem, evict); amdgpu_bo_kunmap(abo); @@ -1272,75 +1271,6 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, old_mem ? old_mem->mem_type : -1); } -void amdgpu_bo_get_memory(struct amdgpu_bo *bo, - struct amdgpu_mem_stats *stats, - unsigned int sz) -{ - const unsigned int domain_to_pl[] = { - [ilog2(AMDGPU_GEM_DOMAIN_CPU)] = TTM_PL_SYSTEM, - [ilog2(AMDGPU_GEM_DOMAIN_GTT)] = TTM_PL_TT, - [ilog2(AMDGPU_GEM_DOMAIN_VRAM)] = TTM_PL_VRAM, - [ilog2(AMDGPU_GEM_DOMAIN_GDS)] = AMDGPU_PL_GDS, - [ilog2(AMDGPU_GEM_DOMAIN_GWS)] = AMDGPU_PL_GWS, - [ilog2(AMDGPU_GEM_DOMAIN_OA)] = AMDGPU_PL_OA, - [ilog2(AMDGPU_GEM_DOMAIN_DOORBELL)] = AMDGPU_PL_DOORBELL, - }; - struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); - struct ttm_resource *res = bo->tbo.resource; - struct drm_gem_object *obj = &bo->tbo.base; - uint64_t size = amdgpu_bo_size(bo); - unsigned int type; - - if (!res) { - /* - * If no backing store use one of the preferred domain for basic - * stats. We take the MSB since that should give a reasonable - * view. - */ - BUILD_BUG_ON(TTM_PL_VRAM < TTM_PL_TT || - TTM_PL_VRAM < TTM_PL_SYSTEM); - type = fls(bo->preferred_domains & AMDGPU_GEM_DOMAIN_MASK); - if (!type) - return; - type--; - if (drm_WARN_ON_ONCE(&adev->ddev, - type >= ARRAY_SIZE(domain_to_pl))) - return; - type = domain_to_pl[type]; - } else { - type = res->mem_type; - } - - if (drm_WARN_ON_ONCE(&adev->ddev, type >= sz)) - return; - - /* DRM stats common fields: */ - - if (drm_gem_object_is_shared_for_memory_stats(obj)) - stats[type].drm.shared += size; - else - stats[type].drm.private += size; - - if (res) { - stats[type].drm.resident += size; - - if (!dma_resv_test_signaled(obj->resv, DMA_RESV_USAGE_BOOKKEEP)) - stats[type].drm.active += size; - else if (bo->flags & AMDGPU_GEM_CREATE_DISCARDABLE) - stats[type].drm.purgeable += size; - } - - /* amdgpu specific stats: */ - - if (bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM) { - stats[TTM_PL_VRAM].requested += size; - if (type != TTM_PL_VRAM) - stats[TTM_PL_VRAM].evicted += size; - } else if (bo->preferred_domains & AMDGPU_GEM_DOMAIN_GTT) { - stats[TTM_PL_TT].requested += size; - } -} - /** * amdgpu_bo_release_notify - notification about a BO being released * @bo: pointer to a buffer object @@ -1556,6 +1486,45 @@ u64 amdgpu_bo_gpu_offset_no_check(struct amdgpu_bo *bo) } /** + * amdgpu_bo_mem_stats_placement - bo placement for memory accounting + * @bo: the buffer object we should look at + * + * BO can have multiple preferred placements, to avoid double counting we want + * to file it under a single placement for memory stats. + * Luckily, if we take the highest set bit in preferred_domains the result is + * quite sensible. + * + * Returns: + * Which of the placements should the BO be accounted under. + */ +uint32_t amdgpu_bo_mem_stats_placement(struct amdgpu_bo *bo) +{ + uint32_t domain = bo->preferred_domains & AMDGPU_GEM_DOMAIN_MASK; + + if (!domain) + return TTM_PL_SYSTEM; + + switch (rounddown_pow_of_two(domain)) { + case AMDGPU_GEM_DOMAIN_CPU: + return TTM_PL_SYSTEM; + case AMDGPU_GEM_DOMAIN_GTT: + return TTM_PL_TT; + case AMDGPU_GEM_DOMAIN_VRAM: + return TTM_PL_VRAM; + case AMDGPU_GEM_DOMAIN_GDS: + return AMDGPU_PL_GDS; + case AMDGPU_GEM_DOMAIN_GWS: + return AMDGPU_PL_GWS; + case AMDGPU_GEM_DOMAIN_OA: + return AMDGPU_PL_OA; + case AMDGPU_GEM_DOMAIN_DOORBELL: + return AMDGPU_PL_DOORBELL; + default: + return TTM_PL_SYSTEM; + } +} + +/** * amdgpu_bo_get_preferred_domain - get preferred domain * @adev: amdgpu device object * @domain: allowed :ref:`memory domains <amdgpu_memory_domains>` |