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[91.14.162.231]) by smtp.gmail.com with ESMTPSA id z18-20020a056000111200b002366dd0e030sm1820927wrw.68.2023.01.24.04.57.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Jan 2023 04:57:31 -0800 (PST) From: " =?utf-8?q?Christian_K=C3=B6nig?= " X-Google-Original-From: =?utf-8?q?Christian_K=C3=B6nig?= To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Subject: [PATCH 5/5] drm/ttm: replace busy placement with flags v2 Date: Tue, 24 Jan 2023 13:57:26 +0100 Message-Id: <20230124125726.13323-5-christian.koenig@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230124125726.13323-1-christian.koenig@amd.com> References: <20230124125726.13323-1-christian.koenig@amd.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Instead of a list of separate busy placement add flags which indicate that a placement should only be used when there is room or if we need to evict. v2: add missing TTM_PL_FLAG_IDLE for i915 Signed-off-by: Christian König Reviewed-by: Matthew Auld --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 6 +- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 11 +- drivers/gpu/drm/drm_gem_vram_helper.c | 2 - drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 37 +++---- drivers/gpu/drm/nouveau/nouveau_bo.c | 59 ++++------ drivers/gpu/drm/nouveau/nouveau_bo.h | 1 - drivers/gpu/drm/qxl/qxl_object.c | 2 - drivers/gpu/drm/qxl/qxl_ttm.c | 2 - drivers/gpu/drm/radeon/radeon_object.c | 2 - drivers/gpu/drm/radeon/radeon_ttm.c | 8 +- drivers/gpu/drm/radeon/radeon_uvd.c | 1 - drivers/gpu/drm/ttm/ttm_bo.c | 21 ++-- drivers/gpu/drm/ttm/ttm_resource.c | 73 +++---------- drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 2 - drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 121 ++++++++++----------- include/drm/ttm/ttm_placement.h | 10 +- include/drm/ttm/ttm_resource.h | 8 +- 17 files changed, 135 insertions(+), 231 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 25a68d8888e0..9c594607109c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -201,9 +201,6 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain) placement->num_placement = c; placement->placement = places; - - placement->num_busy_placement = c; - placement->busy_placement = places; } /** @@ -1369,8 +1366,7 @@ vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo) AMDGPU_GEM_DOMAIN_GTT); /* Avoid costly evictions; only set GTT as a busy placement */ - abo->placement.num_busy_placement = 1; - abo->placement.busy_placement = &abo->placements[1]; + abo->placements[0].flags |= TTM_PL_FLAG_IDLE; r = ttm_bo_validate(bo, &abo->placement, &ctx); if (unlikely(r == -EBUSY || r == -ERESTARTSYS)) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 2cd081cbf706..e7d6b7d1d393 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -104,23 +104,19 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo, /* Don't handle scatter gather BOs */ if (bo->type == ttm_bo_type_sg) { placement->num_placement = 0; - placement->num_busy_placement = 0; return; } /* Object isn't an AMDGPU object so ignore */ if (!amdgpu_bo_is_amdgpu_bo(bo)) { placement->placement = &placements; - placement->busy_placement = &placements; placement->num_placement = 1; - placement->num_busy_placement = 1; return; } abo = ttm_to_amdgpu_bo(bo); if (abo->flags & AMDGPU_GEM_CREATE_DISCARDABLE) { placement->num_placement = 0; - placement->num_busy_placement = 0; return; } @@ -129,13 +125,13 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo, case AMDGPU_PL_GWS: case AMDGPU_PL_OA: placement->num_placement = 0; - placement->num_busy_placement = 0; return; case TTM_PL_VRAM: if (!adev->mman.buffer_funcs_enabled) { /* Move to system memory */ amdgpu_bo_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_CPU); + } else if (!amdgpu_gmc_vram_full_visible(&adev->gmc) && !(abo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) && amdgpu_bo_in_cpu_visible_vram(abo)) { @@ -150,8 +146,7 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo, AMDGPU_GEM_DOMAIN_CPU); abo->placements[0].fpfn = adev->gmc.visible_vram_size >> PAGE_SHIFT; abo->placements[0].lpfn = 0; - abo->placement.busy_placement = &abo->placements[1]; - abo->placement.num_busy_placement = 1; + abo->placements[0].flags |= TTM_PL_FLAG_IDLE; } else { /* Move to GTT memory */ amdgpu_bo_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_GTT | @@ -930,8 +925,6 @@ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo) /* allocate GART space */ placement.num_placement = 1; placement.placement = &placements; - placement.num_busy_placement = 1; - placement.busy_placement = &placements; placements.fpfn = 0; placements.lpfn = adev->gmc.gart_size >> PAGE_SHIFT; placements.mem_type = TTM_PL_TT; diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index d40b3edb52d0..f46792b757f9 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -147,7 +147,6 @@ static void drm_gem_vram_placement(struct drm_gem_vram_object *gbo, invariant_flags = TTM_PL_FLAG_TOPDOWN; gbo->placement.placement = gbo->placements; - gbo->placement.busy_placement = gbo->placements; if (pl_flag & DRM_GEM_VRAM_PL_FLAG_VRAM) { gbo->placements[c].mem_type = TTM_PL_VRAM; @@ -160,7 +159,6 @@ static void drm_gem_vram_placement(struct drm_gem_vram_object *gbo, } gbo->placement.num_placement = c; - gbo->placement.num_busy_placement = c; for (i = 0; i < c; ++i) { gbo->placements[i].fpfn = 0; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c index 7420276827a5..7e5adc209c19 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c @@ -65,8 +65,6 @@ static const struct ttm_place sys_placement_flags = { static struct ttm_placement i915_sys_placement = { .num_placement = 1, .placement = &sys_placement_flags, - .num_busy_placement = 1, - .busy_placement = &sys_placement_flags, }; /** @@ -157,32 +155,28 @@ i915_ttm_place_from_region(const struct intel_memory_region *mr, static void i915_ttm_placement_from_obj(const struct drm_i915_gem_object *obj, - struct ttm_place *requested, - struct ttm_place *busy, + struct ttm_place *places, struct ttm_placement *placement) { unsigned int num_allowed = obj->mm.n_placements; unsigned int flags = obj->flags; unsigned int i; - placement->num_placement = 1; + places[0].flags |= TTM_PL_FLAG_IDLE; i915_ttm_place_from_region(num_allowed ? obj->mm.placements[0] : - obj->mm.region, requested, obj->bo_offset, + obj->mm.region, &places[0], obj->bo_offset, obj->base.size, flags); /* Cache this on object? */ - placement->num_busy_placement = num_allowed; - for (i = 0; i < placement->num_busy_placement; ++i) - i915_ttm_place_from_region(obj->mm.placements[i], busy + i, - obj->bo_offset, obj->base.size, flags); - - if (num_allowed == 0) { - *busy = *requested; - placement->num_busy_placement = 1; + for (i = 0; i < num_allowed; ++i) { + i915_ttm_place_from_region(obj->mm.placements[i], + &places[i + 1], obj->bo_offset, + obj->base.size, flags); + places[i + 1].flags |= TTM_PL_FLAG_BUSY; } - placement->placement = requested; - placement->busy_placement = busy; + placement->num_placement = num_allowed + 1; + placement->placement = places; } static int i915_ttm_tt_shmem_populate(struct ttm_device *bdev, @@ -783,7 +777,8 @@ static int __i915_ttm_get_pages(struct drm_i915_gem_object *obj, int ret; /* First try only the requested placement. No eviction. */ - real_num_busy = fetch_and_zero(&placement->num_busy_placement); + real_num_busy = placement->num_placement; + placement->num_placement = 1; ret = ttm_bo_validate(bo, placement, &ctx); if (ret) { ret = i915_ttm_err_to_gem(ret); @@ -799,7 +794,7 @@ static int __i915_ttm_get_pages(struct drm_i915_gem_object *obj, * If the initial attempt fails, allow all accepted placements, * evicting if necessary. */ - placement->num_busy_placement = real_num_busy; + placement->num_placement = real_num_busy; ret = ttm_bo_validate(bo, placement, &ctx); if (ret) return i915_ttm_err_to_gem(ret); @@ -833,7 +828,7 @@ static int __i915_ttm_get_pages(struct drm_i915_gem_object *obj, static int i915_ttm_get_pages(struct drm_i915_gem_object *obj) { - struct ttm_place requested, busy[I915_TTM_MAX_PLACEMENTS]; + struct ttm_place places[I915_TTM_MAX_PLACEMENTS + 1]; struct ttm_placement placement; /* restricted by sg_alloc_table */ @@ -843,7 +838,7 @@ static int i915_ttm_get_pages(struct drm_i915_gem_object *obj) GEM_BUG_ON(obj->mm.n_placements > I915_TTM_MAX_PLACEMENTS); /* Move to the requested placement. */ - i915_ttm_placement_from_obj(obj, &requested, busy, &placement); + i915_ttm_placement_from_obj(obj, places, &placement); return __i915_ttm_get_pages(obj, &placement); } @@ -873,9 +868,7 @@ static int __i915_ttm_migrate(struct drm_i915_gem_object *obj, i915_ttm_place_from_region(mr, &requested, obj->bo_offset, obj->base.size, flags); placement.num_placement = 1; - placement.num_busy_placement = 1; placement.placement = &requested; - placement.busy_placement = &requested; ret = __i915_ttm_get_pages(obj, &placement); if (ret) diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index c2ec91cc845d..0ab24ca5f419 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -347,27 +347,6 @@ nouveau_bo_new(struct nouveau_cli *cli, u64 size, int align, return 0; } -static void -set_placement_list(struct ttm_place *pl, unsigned *n, uint32_t domain) -{ - *n = 0; - - if (domain & NOUVEAU_GEM_DOMAIN_VRAM) { - pl[*n].mem_type = TTM_PL_VRAM; - pl[*n].flags = 0; - (*n)++; - } - if (domain & NOUVEAU_GEM_DOMAIN_GART) { - pl[*n].mem_type = TTM_PL_TT; - pl[*n].flags = 0; - (*n)++; - } - if (domain & NOUVEAU_GEM_DOMAIN_CPU) { - pl[*n].mem_type = TTM_PL_SYSTEM; - pl[(*n)++].flags = 0; - } -} - static void set_placement_range(struct nouveau_bo *nvbo, uint32_t domain) { @@ -395,10 +374,6 @@ set_placement_range(struct nouveau_bo *nvbo, uint32_t domain) nvbo->placements[i].fpfn = fpfn; nvbo->placements[i].lpfn = lpfn; } - for (i = 0; i < nvbo->placement.num_busy_placement; ++i) { - nvbo->busy_placements[i].fpfn = fpfn; - nvbo->busy_placements[i].lpfn = lpfn; - } } } @@ -406,15 +381,32 @@ void nouveau_bo_placement_set(struct nouveau_bo *nvbo, uint32_t domain, uint32_t busy) { - struct ttm_placement *pl = &nvbo->placement; + struct ttm_place *pl = nvbo->placements; + unsigned *n = &nvbo->placement.num_placement; - pl->placement = nvbo->placements; - set_placement_list(nvbo->placements, &pl->num_placement, domain); + domain |= busy; - pl->busy_placement = nvbo->busy_placements; - set_placement_list(nvbo->busy_placements, &pl->num_busy_placement, - domain | busy); + *n = 0; + if (domain & NOUVEAU_GEM_DOMAIN_VRAM) { + pl[*n].mem_type = TTM_PL_VRAM; + pl[*n].flags = busy & NOUVEAU_GEM_DOMAIN_VRAM ? + TTM_PL_FLAG_BUSY : 0; + (*n)++; + } + if (domain & NOUVEAU_GEM_DOMAIN_GART) { + pl[*n].mem_type = TTM_PL_TT; + pl[*n].flags = busy & NOUVEAU_GEM_DOMAIN_GART ? + TTM_PL_FLAG_BUSY : 0; + (*n)++; + } + if (domain & NOUVEAU_GEM_DOMAIN_CPU) { + pl[*n].mem_type = TTM_PL_SYSTEM; + pl[*n].flags = busy & NOUVEAU_GEM_DOMAIN_CPU ? + TTM_PL_FLAG_BUSY : 0; + (*n)++; + } + nvbo->placement.placement = nvbo->placements; set_placement_range(nvbo, domain); } @@ -1249,11 +1241,6 @@ vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo) nvbo->placements[i].lpfn = mappable; } - for (i = 0; i < nvbo->placement.num_busy_placement; ++i) { - nvbo->busy_placements[i].fpfn = 0; - nvbo->busy_placements[i].lpfn = mappable; - } - nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, 0); } diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.h b/drivers/gpu/drm/nouveau/nouveau_bo.h index 774dd93ca76b..4031b5a223a1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.h +++ b/drivers/gpu/drm/nouveau/nouveau_bo.h @@ -15,7 +15,6 @@ struct nouveau_bo { struct ttm_placement placement; u32 valid_domains; struct ttm_place placements[3]; - struct ttm_place busy_placements[3]; bool force_coherent; struct ttm_bo_kmap_obj kmap; struct list_head head; diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c index 06a58dad5f5c..1e46b0a6e478 100644 --- a/drivers/gpu/drm/qxl/qxl_object.c +++ b/drivers/gpu/drm/qxl/qxl_object.c @@ -66,7 +66,6 @@ void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain) pflag |= TTM_PL_FLAG_TOPDOWN; qbo->placement.placement = qbo->placements; - qbo->placement.busy_placement = qbo->placements; if (domain == QXL_GEM_DOMAIN_VRAM) { qbo->placements[c].mem_type = TTM_PL_VRAM; qbo->placements[c++].flags = pflag; @@ -86,7 +85,6 @@ void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain) qbo->placements[c++].flags = 0; } qbo->placement.num_placement = c; - qbo->placement.num_busy_placement = c; for (i = 0; i < c; ++i) { qbo->placements[i].fpfn = 0; qbo->placements[i].lpfn = 0; diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c index a92a5b0d4c25..5fc3c338ba9e 100644 --- a/drivers/gpu/drm/qxl/qxl_ttm.c +++ b/drivers/gpu/drm/qxl/qxl_ttm.c @@ -60,9 +60,7 @@ static void qxl_evict_flags(struct ttm_buffer_object *bo, if (!qxl_ttm_bo_is_qxl_bo(bo)) { placement->placement = &placements; - placement->busy_placement = &placements; placement->num_placement = 1; - placement->num_busy_placement = 1; return; } qbo = to_qxl_bo(bo); diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 10c0fbd9d2b4..a955f8a2f7fe 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -78,7 +78,6 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) u32 c = 0, i; rbo->placement.placement = rbo->placements; - rbo->placement.busy_placement = rbo->placements; if (domain & RADEON_GEM_DOMAIN_VRAM) { /* Try placing BOs which don't need CPU access outside of the * CPU accessible part of VRAM @@ -114,7 +113,6 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) } rbo->placement.num_placement = c; - rbo->placement.num_busy_placement = c; for (i = 0; i < c; ++i) { if ((rbo->flags & RADEON_GEM_CPU_ACCESS) && diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 67075c85f847..efcff11b035e 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -93,9 +93,7 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo, if (!radeon_ttm_bo_is_radeon_bo(bo)) { placement->placement = &placements; - placement->busy_placement = &placements; placement->num_placement = 1; - placement->num_busy_placement = 1; return; } rbo = container_of(bo, struct radeon_bo, tbo); @@ -115,15 +113,11 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo, */ radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM | RADEON_GEM_DOMAIN_GTT); - rbo->placement.num_busy_placement = 0; for (i = 0; i < rbo->placement.num_placement; i++) { if (rbo->placements[i].mem_type == TTM_PL_VRAM) { if (rbo->placements[i].fpfn < fpfn) rbo->placements[i].fpfn = fpfn; - } else { - rbo->placement.busy_placement = - &rbo->placements[i]; - rbo->placement.num_busy_placement = 1; + rbo->placements[0].flags |= TTM_PL_FLAG_IDLE; } } } else diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index a2cda184b2b2..058a1c8451b2 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -324,7 +324,6 @@ void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo, rbo->placements[1].fpfn += (256 * 1024 * 1024) >> PAGE_SHIFT; rbo->placements[1].lpfn += (256 * 1024 * 1024) >> PAGE_SHIFT; rbo->placement.num_placement++; - rbo->placement.num_busy_placement++; } void radeon_uvd_free_handles(struct radeon_device *rdev, struct drm_file *filp) diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 33471e363ff4..5c1568528b15 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -405,8 +405,8 @@ static int ttm_bo_bounce_temp_buffer(struct ttm_buffer_object *bo, struct ttm_resource *hop_mem; int ret; - hop_placement.num_placement = hop_placement.num_busy_placement = 1; - hop_placement.placement = hop_placement.busy_placement = hop; + hop_placement.num_placement = 1; + hop_placement.placement = hop; /* find space in the bounce domain */ ret = ttm_bo_mem_space(bo, &hop_placement, &hop_mem, ctx); @@ -435,10 +435,9 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo, dma_resv_assert_held(bo->base.resv); placement.num_placement = 0; - placement.num_busy_placement = 0; bdev->funcs->evict_flags(bo, &placement); - if (!placement.num_placement && !placement.num_busy_placement) { + if (!placement.num_placement) { ret = ttm_bo_wait_ctx(bo, ctx); if (ret) return ret; @@ -778,6 +777,9 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, const struct ttm_place *place = &placement->placement[i]; struct ttm_resource_manager *man; + if (place->flags & TTM_PL_FLAG_BUSY) + continue; + man = ttm_manager_type(bdev, place->mem_type); if (!man || !ttm_resource_manager_used(man)) continue; @@ -800,10 +802,13 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, return 0; } - for (i = 0; i < placement->num_busy_placement; ++i) { - const struct ttm_place *place = &placement->busy_placement[i]; + for (i = 0; i < placement->num_placement; ++i) { + const struct ttm_place *place = &placement->placement[i]; struct ttm_resource_manager *man; + if (place->flags & TTM_PL_FLAG_IDLE) + continue; + man = ttm_manager_type(bdev, place->mem_type); if (!man || !ttm_resource_manager_used(man)) continue; @@ -891,11 +896,11 @@ int ttm_bo_validate(struct ttm_buffer_object *bo, /* * Remove the backing store if no placement is given. */ - if (!placement->num_placement && !placement->num_busy_placement) + if (!placement->num_placement) return ttm_bo_pipeline_gutting(bo); /* Check whether we need to move buffer. */ - if (bo->resource && ttm_resource_compat(bo->resource, placement)) + if (bo->resource && ttm_resource_compatible(bo->resource, placement)) return 0; /* Moving of pinned BOs is forbidden */ diff --git a/drivers/gpu/drm/ttm/ttm_resource.c b/drivers/gpu/drm/ttm/ttm_resource.c index 7333f7a87a2f..f8db437318aa 100644 --- a/drivers/gpu/drm/ttm/ttm_resource.c +++ b/drivers/gpu/drm/ttm/ttm_resource.c @@ -285,37 +285,15 @@ bool ttm_resource_intersects(struct ttm_device *bdev, } /** - * ttm_resource_compatible - test for compatibility + * ttm_resource_compatible - check if resource is compatible with placement * - * @bdev: TTM device structure - * @res: The resource to test - * @place: The placement to test - * @size: How many bytes the new allocation needs. - * - * Test if @res compatible with @place and @size. + * @res: the resource to check + * @placement: the placement to check against * - * Returns true if the res placement compatible with @place and @size. + * Returns true if the placement is compatible. */ -bool ttm_resource_compatible(struct ttm_device *bdev, - struct ttm_resource *res, - const struct ttm_place *place, - size_t size) -{ - struct ttm_resource_manager *man; - - if (!res || !place) - return false; - - man = ttm_manager_type(bdev, res->mem_type); - if (!man->func->compatible) - return true; - - return man->func->compatible(man, res, place, size); -} - -static bool ttm_resource_places_compat(struct ttm_resource *res, - const struct ttm_place *places, - unsigned num_placement) +bool ttm_resource_compatible(struct ttm_resource *res, + struct ttm_placement *placement) { struct ttm_buffer_object *bo = res->bo; struct ttm_device *bdev = bo->bdev; @@ -324,44 +302,25 @@ static bool ttm_resource_places_compat(struct ttm_resource *res, if (res->placement & TTM_PL_FLAG_TEMPORARY) return false; - for (i = 0; i < num_placement; i++) { - const struct ttm_place *heap = &places[i]; + for (i = 0; i < placement->num_placement; i++) { + const struct ttm_place *place = &placement->placement[i]; + struct ttm_resource_manager *man; - if (!ttm_resource_compatible(bdev, res, heap, bo->base.size)) + if (res->mem_type != place->mem_type) + continue; + + man = ttm_manager_type(bdev, res->mem_type); + if (man->func->compatible && + !man->func->compatible(man, res, place, bo->base.size)) continue; - if ((res->mem_type == heap->mem_type) && - (!(heap->flags & TTM_PL_FLAG_CONTIGUOUS) || + if ((!(place->flags & TTM_PL_FLAG_CONTIGUOUS) || (res->placement & TTM_PL_FLAG_CONTIGUOUS))) return true; } return false; } -/** - * ttm_resource_compat - check if resource is compatible with placement - * - * @res: the resource to check - * @placement: the placement to check against - * - * Returns true if the placement is compatible. - */ -bool ttm_resource_compat(struct ttm_resource *res, - struct ttm_placement *placement) -{ - if (ttm_resource_places_compat(res, placement->placement, - placement->num_placement)) - return true; - - if ((placement->busy_placement != placement->placement || - placement->num_busy_placement > placement->num_placement) && - ttm_resource_places_compat(res, placement->busy_placement, - placement->num_busy_placement)) - return true; - - return false; -} - void ttm_resource_set_bo(struct ttm_resource *res, struct ttm_buffer_object *bo) { diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c index 9bf1f9d2f9b6..45a2d72d20d4 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c @@ -186,8 +186,6 @@ int vmw_bo_pin_in_start_of_vram(struct vmw_private *dev_priv, place.lpfn = PFN_UP(bo->resource->size); placement.num_placement = 1; placement.placement = &place; - placement.num_busy_placement = 1; - placement.busy_placement = &place; vmw_execbuf_release_pinned_bo(dev_priv); ret = ttm_bo_reserve(bo, interruptible, false, NULL); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c index 856a352a72a6..02cd2e153c62 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c @@ -35,32 +35,9 @@ static const struct ttm_place vram_placement_flags = { .flags = 0 }; -static const struct ttm_place sys_placement_flags = { - .fpfn = 0, - .lpfn = 0, - .mem_type = TTM_PL_SYSTEM, - .flags = 0 -}; - -static const struct ttm_place gmr_placement_flags = { - .fpfn = 0, - .lpfn = 0, - .mem_type = VMW_PL_GMR, - .flags = 0 -}; - -static const struct ttm_place mob_placement_flags = { - .fpfn = 0, - .lpfn = 0, - .mem_type = VMW_PL_MOB, - .flags = 0 -}; - struct ttm_placement vmw_vram_placement = { .num_placement = 1, .placement = &vram_placement_flags, - .num_busy_placement = 1, - .busy_placement = &vram_placement_flags }; static const struct ttm_place vram_gmr_placement_flags[] = { @@ -68,7 +45,7 @@ static const struct ttm_place vram_gmr_placement_flags[] = { .fpfn = 0, .lpfn = 0, .mem_type = TTM_PL_VRAM, - .flags = 0 + .flags = TTM_PL_FLAG_IDLE }, { .fpfn = 0, .lpfn = 0, @@ -77,62 +54,56 @@ static const struct ttm_place vram_gmr_placement_flags[] = { } }; -static const struct ttm_place gmr_vram_placement_flags[] = { +struct ttm_placement vmw_vram_gmr_placement = { + .num_placement = 2, + .placement = vram_gmr_placement_flags, +}; + +static const struct ttm_place vram_sys_placement_flags[] = { { .fpfn = 0, .lpfn = 0, - .mem_type = VMW_PL_GMR, - .flags = 0 + .mem_type = TTM_PL_VRAM, + .flags = TTM_PL_FLAG_IDLE }, { .fpfn = 0, .lpfn = 0, - .mem_type = TTM_PL_VRAM, - .flags = 0 + .mem_type = TTM_PL_SYSTEM, + .flags = TTM_PL_FLAG_BUSY } }; -static const struct ttm_place vmw_sys_placement_flags = { - .fpfn = 0, - .lpfn = 0, - .mem_type = VMW_PL_SYSTEM, - .flags = 0 -}; - -struct ttm_placement vmw_vram_gmr_placement = { +struct ttm_placement vmw_vram_sys_placement = { .num_placement = 2, - .placement = vram_gmr_placement_flags, - .num_busy_placement = 1, - .busy_placement = &gmr_placement_flags + .placement = vram_sys_placement_flags, }; -struct ttm_placement vmw_vram_sys_placement = { - .num_placement = 1, - .placement = &vram_placement_flags, - .num_busy_placement = 1, - .busy_placement = &sys_placement_flags +static const struct ttm_place sys_placement_flags = { + .fpfn = 0, + .lpfn = 0, + .mem_type = TTM_PL_SYSTEM, + .flags = 0 }; struct ttm_placement vmw_sys_placement = { .num_placement = 1, .placement = &sys_placement_flags, - .num_busy_placement = 1, - .busy_placement = &sys_placement_flags +}; + +static const struct ttm_place vmw_sys_placement_flags = { + .fpfn = 0, + .lpfn = 0, + .mem_type = VMW_PL_SYSTEM, + .flags = 0 }; struct ttm_placement vmw_pt_sys_placement = { .num_placement = 1, .placement = &vmw_sys_placement_flags, - .num_busy_placement = 1, - .busy_placement = &vmw_sys_placement_flags }; -static const struct ttm_place nonfixed_placement_flags[] = { +static const struct ttm_place gmr_vram_placement_flags[] = { { - .fpfn = 0, - .lpfn = 0, - .mem_type = TTM_PL_SYSTEM, - .flags = 0 - }, { .fpfn = 0, .lpfn = 0, .mem_type = VMW_PL_GMR, @@ -140,30 +111,50 @@ static const struct ttm_place nonfixed_placement_flags[] = { }, { .fpfn = 0, .lpfn = 0, - .mem_type = VMW_PL_MOB, - .flags = 0 + .mem_type = TTM_PL_VRAM, + .flags = TTM_PL_FLAG_BUSY } }; struct ttm_placement vmw_srf_placement = { - .num_placement = 1, - .num_busy_placement = 2, - .placement = &gmr_placement_flags, - .busy_placement = gmr_vram_placement_flags + .num_placement = 2, + .placement = gmr_vram_placement_flags +}; + +static const struct ttm_place mob_placement_flags = { + .fpfn = 0, + .lpfn = 0, + .mem_type = VMW_PL_MOB, + .flags = 0 }; struct ttm_placement vmw_mob_placement = { .num_placement = 1, - .num_busy_placement = 1, .placement = &mob_placement_flags, - .busy_placement = &mob_placement_flags +}; + +static const struct ttm_place nonfixed_placement_flags[] = { + { + .fpfn = 0, + .lpfn = 0, + .mem_type = TTM_PL_SYSTEM, + .flags = 0 + }, { + .fpfn = 0, + .lpfn = 0, + .mem_type = VMW_PL_GMR, + .flags = TTM_PL_FLAG_IDLE + }, { + .fpfn = 0, + .lpfn = 0, + .mem_type = VMW_PL_MOB, + .flags = TTM_PL_FLAG_IDLE + } }; struct ttm_placement vmw_nonfixed_placement = { .num_placement = 3, .placement = nonfixed_placement_flags, - .num_busy_placement = 1, - .busy_placement = &sys_placement_flags }; const size_t vmw_tt_size = sizeof(struct vmw_ttm_tt); diff --git a/include/drm/ttm/ttm_placement.h b/include/drm/ttm/ttm_placement.h index 8074d0f6cae5..c70e489e1f1e 100644 --- a/include/drm/ttm/ttm_placement.h +++ b/include/drm/ttm/ttm_placement.h @@ -64,6 +64,12 @@ /* For multihop handling */ #define TTM_PL_FLAG_TEMPORARY (1 << 2) +/* Placement is never used during eviction */ +#define TTM_PL_FLAG_IDLE (1 << 3) + +/* Placement is only used during eviction */ +#define TTM_PL_FLAG_BUSY (1 << 4) + /** * struct ttm_place * @@ -86,16 +92,12 @@ struct ttm_place { * * @num_placement: number of preferred placements * @placement: preferred placements - * @num_busy_placement: number of preferred placements when need to evict buffer - * @busy_placement: preferred placements when need to evict buffer * * Structure indicating the placement you request for an object. */ struct ttm_placement { unsigned num_placement; const struct ttm_place *placement; - unsigned num_busy_placement; - const struct ttm_place *busy_placement; }; #endif diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h index 78a226eba953..1afa13f0c22b 100644 --- a/include/drm/ttm/ttm_resource.h +++ b/include/drm/ttm/ttm_resource.h @@ -365,12 +365,8 @@ bool ttm_resource_intersects(struct ttm_device *bdev, struct ttm_resource *res, const struct ttm_place *place, size_t size); -bool ttm_resource_compatible(struct ttm_device *bdev, - struct ttm_resource *res, - const struct ttm_place *place, - size_t size); -bool ttm_resource_compat(struct ttm_resource *res, - struct ttm_placement *placement); +bool ttm_resource_compatible(struct ttm_resource *res, + struct ttm_placement *placement); void ttm_resource_set_bo(struct ttm_resource *res, struct ttm_buffer_object *bo);