From de3688e469b08be958914674e8b01cb0cea42388 Mon Sep 17 00:00:00 2001 From: Christian König Date: Fri, 9 Jul 2021 15:18:39 +0200 Subject: drm/ttm: add ttm_resource_fini v2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Make sure we call the common cleanup function in all implementations of the resource manager. v2: fix missing case in i915, rudimentary kerneldoc, should be filled in more when we add more functionality Signed-off-by: Christian König Reviewed-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20220124122514.1832-2-christian.koenig@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c index d02c8637f909..ffddec08e931 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c @@ -95,6 +95,7 @@ static void amdgpu_preempt_mgr_del(struct ttm_resource_manager *man, struct amdgpu_preempt_mgr *mgr = to_preempt_mgr(man); atomic64_sub(res->num_pages, &mgr->used); + ttm_resource_fini(man, res); kfree(res); } -- cgit From 3f268ef06f8cf3c481dbd5843d564f5170c6df54 Mon Sep 17 00:00:00 2001 From: Christian König Date: Mon, 30 Aug 2021 09:22:06 +0200 Subject: drm/ttm: add back a reference to the bdev to the res manager MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit It is simply a lot cleaner to have this around instead of adding the device throughout the call chain. Signed-off-by: Christian König Reviewed-by: Huang Rui Acked-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20220124122514.1832-3-christian.koenig@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | 3 ++- drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 3 ++- drivers/gpu/drm/i915/i915_ttm_buddy_manager.c | 2 +- drivers/gpu/drm/nouveau/nouveau_ttm.c | 4 ++-- drivers/gpu/drm/ttm/ttm_range_manager.c | 2 +- drivers/gpu/drm/ttm/ttm_resource.c | 3 +++ drivers/gpu/drm/ttm/ttm_sys_manager.c | 2 +- drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c | 2 +- drivers/gpu/drm/vmwgfx/vmwgfx_system_manager.c | 2 +- include/drm/ttm/ttm_resource.h | 16 +++++++++------- 11 files changed, 24 insertions(+), 17 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c index ea5470c8c921..9e7685a4878c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c @@ -293,7 +293,8 @@ int amdgpu_gtt_mgr_init(struct amdgpu_device *adev, uint64_t gtt_size) man->use_tt = true; man->func = &amdgpu_gtt_mgr_func; - ttm_resource_manager_init(man, gtt_size >> PAGE_SHIFT); + ttm_resource_manager_init(man, &adev->mman.bdev, + gtt_size >> PAGE_SHIFT); start = AMDGPU_GTT_MAX_TRANSFER_SIZE * AMDGPU_GTT_NUM_TRANSFER_WINDOWS; size = (adev->gmc.gart_size >> PAGE_SHIFT) - start; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c index ffddec08e931..6f7189d32f0a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c @@ -153,7 +153,7 @@ int amdgpu_preempt_mgr_init(struct amdgpu_device *adev) man->use_tt = true; man->func = &amdgpu_preempt_mgr_func; - ttm_resource_manager_init(man, (1 << 30)); + ttm_resource_manager_init(man, &adev->mman.bdev, (1 << 30)); atomic64_set(&mgr->used, 0); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c index 55d68408951d..ddd0b6d74070 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c @@ -699,7 +699,8 @@ int amdgpu_vram_mgr_init(struct amdgpu_device *adev) struct amdgpu_vram_mgr *mgr = &adev->mman.vram_mgr; struct ttm_resource_manager *man = &mgr->manager; - ttm_resource_manager_init(man, adev->gmc.real_vram_size >> PAGE_SHIFT); + ttm_resource_manager_init(man, &adev->mman.bdev, + adev->gmc.real_vram_size >> PAGE_SHIFT); man->func = &amdgpu_vram_mgr_func; diff --git a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c index e275b386886d..247714bab044 100644 --- a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c +++ b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c @@ -205,7 +205,7 @@ int i915_ttm_buddy_man_init(struct ttm_device *bdev, man = &bman->manager; man->use_tt = use_tt; man->func = &i915_ttm_buddy_manager_func; - ttm_resource_manager_init(man, bman->mm.size >> PAGE_SHIFT); + ttm_resource_manager_init(man, bdev, bman->mm.size >> PAGE_SHIFT); ttm_resource_manager_set_used(man, true); ttm_set_driver_manager(bdev, type, man); diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c index 91ef33f8f22c..85f1f5a0fe5d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.c +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c @@ -164,7 +164,7 @@ nouveau_ttm_init_vram(struct nouveau_drm *drm) man->func = &nouveau_vram_manager; - ttm_resource_manager_init(man, + ttm_resource_manager_init(man, &drm->ttm.bdev, drm->gem.vram_available >> PAGE_SHIFT); ttm_set_driver_manager(&drm->ttm.bdev, TTM_PL_VRAM, man); ttm_resource_manager_set_used(man, true); @@ -211,7 +211,7 @@ nouveau_ttm_init_gtt(struct nouveau_drm *drm) man->func = func; man->use_tt = true; - ttm_resource_manager_init(man, size_pages); + ttm_resource_manager_init(man, &drm->ttm.bdev, size_pages); ttm_set_driver_manager(&drm->ttm.bdev, TTM_PL_TT, man); ttm_resource_manager_set_used(man, true); return 0; diff --git a/drivers/gpu/drm/ttm/ttm_range_manager.c b/drivers/gpu/drm/ttm/ttm_range_manager.c index 55a41355f684..8cd4f3fb9f79 100644 --- a/drivers/gpu/drm/ttm/ttm_range_manager.c +++ b/drivers/gpu/drm/ttm/ttm_range_manager.c @@ -158,7 +158,7 @@ int ttm_range_man_init_nocheck(struct ttm_device *bdev, man->func = &ttm_range_manager_func; - ttm_resource_manager_init(man, p_size); + ttm_resource_manager_init(man, bdev, p_size); drm_mm_init(&rman->mm, 0, p_size); spin_lock_init(&rman->lock); diff --git a/drivers/gpu/drm/ttm/ttm_resource.c b/drivers/gpu/drm/ttm/ttm_resource.c index 7e5e32d2ef12..4717128633e9 100644 --- a/drivers/gpu/drm/ttm/ttm_resource.c +++ b/drivers/gpu/drm/ttm/ttm_resource.c @@ -143,16 +143,19 @@ EXPORT_SYMBOL(ttm_resource_compat); * ttm_resource_manager_init * * @man: memory manager object to init + * @bdev: ttm device this manager belongs to * @p_size: size managed area in pages. * * Initialise core parts of a manager object. */ void ttm_resource_manager_init(struct ttm_resource_manager *man, + struct ttm_device *bdev, unsigned long p_size) { unsigned i; spin_lock_init(&man->move_lock); + man->bdev = bdev; man->size = p_size; for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) diff --git a/drivers/gpu/drm/ttm/ttm_sys_manager.c b/drivers/gpu/drm/ttm/ttm_sys_manager.c index 135394dcca95..2ced169513cb 100644 --- a/drivers/gpu/drm/ttm/ttm_sys_manager.c +++ b/drivers/gpu/drm/ttm/ttm_sys_manager.c @@ -43,7 +43,7 @@ void ttm_sys_man_init(struct ttm_device *bdev) man->use_tt = true; man->func = &ttm_sys_manager_func; - ttm_resource_manager_init(man, 0); + ttm_resource_manager_init(man, bdev, 0); ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, man); ttm_resource_manager_set_used(man, true); } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c index 99ccf690f8a1..60e3cc537f36 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c @@ -162,7 +162,7 @@ int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type) man->func = &vmw_gmrid_manager_func; man->use_tt = true; - ttm_resource_manager_init(man, 0); + ttm_resource_manager_init(man, &dev_priv->bdev, 0); spin_lock_init(&gman->lock); gman->used_gmr_pages = 0; ida_init(&gman->gmr_ida); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_system_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_system_manager.c index a64188c7268d..d3007bf1b8f5 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_system_manager.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_system_manager.c @@ -70,7 +70,7 @@ int vmw_sys_man_init(struct vmw_private *dev_priv) man->use_tt = true; man->func = &vmw_sys_manager_func; - ttm_resource_manager_init(man, 0); + ttm_resource_manager_init(man, bdev, 0); ttm_set_driver_manager(bdev, VMW_PL_SYSTEM, man); ttm_resource_manager_set_used(man, true); return 0; diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h index df1f06b7b504..6bf37383002b 100644 --- a/include/drm/ttm/ttm_resource.h +++ b/include/drm/ttm/ttm_resource.h @@ -105,11 +105,11 @@ struct ttm_resource_manager_func { * @use_type: The memory type is enabled. * @use_tt: If a TT object should be used for the backing store. * @size: Size of the managed region. + * @bdev: ttm device this manager belongs to * @func: structure pointer implementing the range manager. See above * @move_lock: lock for move fence - * static information. bdev::driver::io_mem_free is never used. - * @lru: The lru list for this memory type. * @move: The fence of the last pipelined move operation. + * @lru: The lru list for this memory type. * * This structure is used to identify and manage memory types for a device. */ @@ -119,20 +119,21 @@ struct ttm_resource_manager { */ bool use_type; bool use_tt; + struct ttm_device *bdev; uint64_t size; const struct ttm_resource_manager_func *func; spinlock_t move_lock; /* - * Protected by the global->lru_lock. + * Protected by @move_lock. */ - - struct list_head lru[TTM_MAX_BO_PRIORITY]; + struct dma_fence *move; /* - * Protected by @move_lock. + * Protected by the global->lru_lock. */ - struct dma_fence *move; + + struct list_head lru[TTM_MAX_BO_PRIORITY]; }; /** @@ -272,6 +273,7 @@ bool ttm_resource_compat(struct ttm_resource *res, struct ttm_placement *placement); void ttm_resource_manager_init(struct ttm_resource_manager *man, + struct ttm_device *bdev, unsigned long p_size); int ttm_resource_manager_evict_all(struct ttm_device *bdev, -- cgit From 3fc2b087df2ce87dc11abe4a5e7a02b75b5bb82e Mon Sep 17 00:00:00 2001 From: Christian König Date: Mon, 14 Feb 2022 09:03:00 +0100 Subject: drm/amdgpu: remove PL_PREEMPT accounting MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is provided by TTM now. Signed-off-by: Christian König Reviewed-by: Matthew Auld Link: https://patchwork.freedesktop.org/patch/msgid/20220214093439.2989-7-christian.koenig@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c | 62 ++----------------------- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 7 +-- 2 files changed, 6 insertions(+), 63 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c index 0d85c2096ab5..e8adfd0a570a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c @@ -25,12 +25,6 @@ #include "amdgpu.h" -static inline struct amdgpu_preempt_mgr * -to_preempt_mgr(struct ttm_resource_manager *man) -{ - return container_of(man, struct amdgpu_preempt_mgr, manager); -} - /** * DOC: mem_info_preempt_used * @@ -45,10 +39,9 @@ static ssize_t mem_info_preempt_used_show(struct device *dev, { struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_to_adev(ddev); - struct ttm_resource_manager *man; + struct ttm_resource_manager *man = &adev->mman.preempt_mgr; - man = ttm_manager_type(&adev->mman.bdev, AMDGPU_PL_PREEMPT); - return sysfs_emit(buf, "%llu\n", amdgpu_preempt_mgr_usage(man)); + return sysfs_emit(buf, "%llu\n", ttm_resource_manager_usage(man)); } static DEVICE_ATTR_RO(mem_info_preempt_used); @@ -68,16 +61,12 @@ static int amdgpu_preempt_mgr_new(struct ttm_resource_manager *man, const struct ttm_place *place, struct ttm_resource **res) { - struct amdgpu_preempt_mgr *mgr = to_preempt_mgr(man); - *res = kzalloc(sizeof(**res), GFP_KERNEL); if (!*res) return -ENOMEM; ttm_resource_init(tbo, place, *res); (*res)->start = AMDGPU_BO_INVALID_OFFSET; - - atomic64_add((*res)->num_pages, &mgr->used); return 0; } @@ -92,49 +81,13 @@ static int amdgpu_preempt_mgr_new(struct ttm_resource_manager *man, static void amdgpu_preempt_mgr_del(struct ttm_resource_manager *man, struct ttm_resource *res) { - struct amdgpu_preempt_mgr *mgr = to_preempt_mgr(man); - - atomic64_sub(res->num_pages, &mgr->used); ttm_resource_fini(man, res); kfree(res); } -/** - * amdgpu_preempt_mgr_usage - return usage of PREEMPT domain - * - * @man: TTM memory type manager - * - * Return how many bytes are used in the GTT domain - */ -uint64_t amdgpu_preempt_mgr_usage(struct ttm_resource_manager *man) -{ - struct amdgpu_preempt_mgr *mgr = to_preempt_mgr(man); - s64 result = atomic64_read(&mgr->used); - - return (result > 0 ? result : 0) * PAGE_SIZE; -} - -/** - * amdgpu_preempt_mgr_debug - dump VRAM table - * - * @man: TTM memory type manager - * @printer: DRM printer to use - * - * Dump the table content using printk. - */ -static void amdgpu_preempt_mgr_debug(struct ttm_resource_manager *man, - struct drm_printer *printer) -{ - struct amdgpu_preempt_mgr *mgr = to_preempt_mgr(man); - - drm_printf(printer, "man size:%llu pages, preempt used:%lld pages\n", - man->size, (u64)atomic64_read(&mgr->used)); -} - static const struct ttm_resource_manager_func amdgpu_preempt_mgr_func = { .alloc = amdgpu_preempt_mgr_new, .free = amdgpu_preempt_mgr_del, - .debug = amdgpu_preempt_mgr_debug }; /** @@ -146,8 +99,7 @@ static const struct ttm_resource_manager_func amdgpu_preempt_mgr_func = { */ int amdgpu_preempt_mgr_init(struct amdgpu_device *adev) { - struct amdgpu_preempt_mgr *mgr = &adev->mman.preempt_mgr; - struct ttm_resource_manager *man = &mgr->manager; + struct ttm_resource_manager *man = &adev->mman.preempt_mgr; int ret; man->use_tt = true; @@ -155,16 +107,13 @@ int amdgpu_preempt_mgr_init(struct amdgpu_device *adev) ttm_resource_manager_init(man, &adev->mman.bdev, (1 << 30)); - atomic64_set(&mgr->used, 0); - ret = device_create_file(adev->dev, &dev_attr_mem_info_preempt_used); if (ret) { DRM_ERROR("Failed to create device file mem_info_preempt_used\n"); return ret; } - ttm_set_driver_manager(&adev->mman.bdev, AMDGPU_PL_PREEMPT, - &mgr->manager); + ttm_set_driver_manager(&adev->mman.bdev, AMDGPU_PL_PREEMPT, man); ttm_resource_manager_set_used(man, true); return 0; } @@ -179,8 +128,7 @@ int amdgpu_preempt_mgr_init(struct amdgpu_device *adev) */ void amdgpu_preempt_mgr_fini(struct amdgpu_device *adev) { - struct amdgpu_preempt_mgr *mgr = &adev->mman.preempt_mgr; - struct ttm_resource_manager *man = &mgr->manager; + struct ttm_resource_manager *man = &adev->mman.preempt_mgr; int ret; ttm_resource_manager_set_used(man, false); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h index 120b69ec9885..4e8577dad16a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h @@ -54,11 +54,6 @@ struct amdgpu_gtt_mgr { spinlock_t lock; }; -struct amdgpu_preempt_mgr { - struct ttm_resource_manager manager; - atomic64_t used; -}; - struct amdgpu_mman { struct ttm_device bdev; bool initialized; @@ -75,7 +70,7 @@ struct amdgpu_mman { struct amdgpu_vram_mgr vram_mgr; struct amdgpu_gtt_mgr gtt_mgr; - struct amdgpu_preempt_mgr preempt_mgr; + struct ttm_resource_manager preempt_mgr; uint64_t stolen_vga_size; struct amdgpu_bo *stolen_vga_memory; -- cgit