From ec6aae9711a8e5fca24a537b9ae952e38a1ebb71 Mon Sep 17 00:00:00 2001 From: Nirmoy Das Date: Fri, 7 Jan 2022 09:51:14 +0100 Subject: [PATCH] drm/amdgpu: do not pass ttm_resource_manager to vram_mgr MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Do not allow exported amdgpu_vram_mgr_*() to accept any ttm_resource_manager pointer. Also there is no need to force other module to call a ttm function just to eventually call vram_mgr functions. v2: pass adev's vram_mgr instead of adev Reviewed-by: Christian König Signed-off-by: Nirmoy Das Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 5 ++-- drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 10 +++---- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 6 ++--- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 8 +++--- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 5 ++-- drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 40 +++++++++++----------------- 6 files changed, 30 insertions(+), 44 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 0311d79..06d0750 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -298,7 +298,6 @@ static void amdgpu_cs_get_threshold_for_moves(struct amdgpu_device *adev, { s64 time_us, increment_us; u64 free_vram, total_vram, used_vram; - struct ttm_resource_manager *vram_man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM); /* Allow a maximum of 200 accumulated ms. This is basically per-IB * throttling. * @@ -315,7 +314,7 @@ static void amdgpu_cs_get_threshold_for_moves(struct amdgpu_device *adev, } total_vram = adev->gmc.real_vram_size - atomic64_read(&adev->vram_pin_size); - used_vram = amdgpu_vram_mgr_usage(vram_man); + used_vram = amdgpu_vram_mgr_usage(&adev->mman.vram_mgr); free_vram = used_vram >= total_vram ? 0 : total_vram - used_vram; spin_lock(&adev->mm_stats.lock); @@ -362,7 +361,7 @@ static void amdgpu_cs_get_threshold_for_moves(struct amdgpu_device *adev, if (!amdgpu_gmc_vram_full_visible(&adev->gmc)) { u64 total_vis_vram = adev->gmc.visible_vram_size; u64 used_vis_vram = - amdgpu_vram_mgr_vis_usage(vram_man); + amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr); if (used_vis_vram < total_vis_vram) { u64 free_vis_vram = total_vis_vram - used_vis_vram; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 763de82..289521a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -672,10 +672,10 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) ui64 = atomic64_read(&adev->num_vram_cpu_page_faults); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_VRAM_USAGE: - ui64 = amdgpu_vram_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM)); + ui64 = amdgpu_vram_mgr_usage(&adev->mman.vram_mgr); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_VIS_VRAM_USAGE: - ui64 = amdgpu_vram_mgr_vis_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM)); + ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_GTT_USAGE: ui64 = amdgpu_gtt_mgr_usage(&adev->mman.gtt_mgr); @@ -709,8 +709,6 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) } case AMDGPU_INFO_MEMORY: { struct drm_amdgpu_memory_info mem; - struct ttm_resource_manager *vram_man = - ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM); struct ttm_resource_manager *gtt_man = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT); memset(&mem, 0, sizeof(mem)); @@ -719,7 +717,7 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) atomic64_read(&adev->vram_pin_size) - AMDGPU_VM_RESERVED_VRAM; mem.vram.heap_usage = - amdgpu_vram_mgr_usage(vram_man); + amdgpu_vram_mgr_usage(&adev->mman.vram_mgr); mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4; mem.cpu_accessible_vram.total_heap_size = @@ -729,7 +727,7 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) atomic64_read(&adev->visible_pin_size), mem.vram.usable_heap_size); mem.cpu_accessible_vram.heap_usage = - amdgpu_vram_mgr_vis_usage(vram_man); + amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr); mem.cpu_accessible_vram.max_allocation = mem.cpu_accessible_vram.usable_heap_size * 3 / 4; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 8906c03..586a30a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -1839,8 +1839,7 @@ static int amdgpu_ras_badpages_read(struct amdgpu_device *adev, .size = AMDGPU_GPU_PAGE_SIZE, .flags = AMDGPU_RAS_RETIRE_PAGE_RESERVED, }; - status = amdgpu_vram_mgr_query_page_status( - ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM), + status = amdgpu_vram_mgr_query_page_status(&adev->mman.vram_mgr, data->bps[i].retired_page); if (status == -EBUSY) (*bps)[i].flags = AMDGPU_RAS_RETIRE_PAGE_PENDING; @@ -1941,8 +1940,7 @@ int amdgpu_ras_add_bad_pages(struct amdgpu_device *adev, goto out; } - amdgpu_vram_mgr_reserve_range( - ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM), + amdgpu_vram_mgr_reserve_range(&adev->mman.vram_mgr, bps[i].retired_page << AMDGPU_GPU_PAGE_SHIFT, AMDGPU_GPU_PAGE_SIZE); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h index a2e9349..f8f48be 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h @@ -129,11 +129,11 @@ int amdgpu_vram_mgr_alloc_sgt(struct amdgpu_device *adev, void amdgpu_vram_mgr_free_sgt(struct device *dev, enum dma_data_direction dir, struct sg_table *sgt); -uint64_t amdgpu_vram_mgr_usage(struct ttm_resource_manager *man); -uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_resource_manager *man); -int amdgpu_vram_mgr_reserve_range(struct ttm_resource_manager *man, +uint64_t amdgpu_vram_mgr_usage(struct amdgpu_vram_mgr *mgr); +uint64_t amdgpu_vram_mgr_vis_usage(struct amdgpu_vram_mgr *mgr); +int amdgpu_vram_mgr_reserve_range(struct amdgpu_vram_mgr *mgr, uint64_t start, uint64_t size); -int amdgpu_vram_mgr_query_page_status(struct ttm_resource_manager *man, +int amdgpu_vram_mgr_query_page_status(struct amdgpu_vram_mgr *mgr, uint64_t start); int amdgpu_ttm_init(struct amdgpu_device *adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index d9509c3..894444a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -553,7 +553,6 @@ static void amdgpu_virt_populate_vf2pf_ucode_info(struct amdgpu_device *adev) static int amdgpu_virt_write_vf2pf_data(struct amdgpu_device *adev) { struct amd_sriov_msg_vf2pf_info *vf2pf_info; - struct ttm_resource_manager *vram_man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM); vf2pf_info = (struct amd_sriov_msg_vf2pf_info *) adev->virt.fw_reserve.p_vf2pf; @@ -576,8 +575,8 @@ static int amdgpu_virt_write_vf2pf_data(struct amdgpu_device *adev) vf2pf_info->driver_cert = 0; vf2pf_info->os_info.all = 0; - vf2pf_info->fb_usage = amdgpu_vram_mgr_usage(vram_man) >> 20; - vf2pf_info->fb_vis_usage = amdgpu_vram_mgr_vis_usage(vram_man) >> 20; + vf2pf_info->fb_usage = amdgpu_vram_mgr_usage(&adev->mman.vram_mgr) >> 20; + vf2pf_info->fb_vis_usage = amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr) >> 20; vf2pf_info->fb_size = adev->gmc.real_vram_size >> 20; vf2pf_info->fb_vis_size = adev->gmc.visible_vram_size >> 20; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c index 7b2b098..7a2b487 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c @@ -96,10 +96,9 @@ static ssize_t amdgpu_mem_info_vram_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; - man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM); - return sysfs_emit(buf, "%llu\n", amdgpu_vram_mgr_usage(man)); + return sysfs_emit(buf, "%llu\n", + amdgpu_vram_mgr_usage(&adev->mman.vram_mgr)); } /** @@ -116,10 +115,9 @@ static ssize_t amdgpu_mem_info_vis_vram_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; - man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM); - return sysfs_emit(buf, "%llu\n", amdgpu_vram_mgr_vis_usage(man)); + return sysfs_emit(buf, "%llu\n", + amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr)); } /** @@ -263,16 +261,15 @@ static void amdgpu_vram_mgr_do_reserve(struct ttm_resource_manager *man) /** * amdgpu_vram_mgr_reserve_range - Reserve a range from VRAM * - * @man: TTM memory type manager + * @mgr: amdgpu_vram_mgr pointer * @start: start address of the range in VRAM * @size: size of the range * - * Reserve memory from start addess with the specified size in VRAM + * Reserve memory from start address with the specified size in VRAM */ -int amdgpu_vram_mgr_reserve_range(struct ttm_resource_manager *man, +int amdgpu_vram_mgr_reserve_range(struct amdgpu_vram_mgr *mgr, uint64_t start, uint64_t size) { - struct amdgpu_vram_mgr *mgr = to_vram_mgr(man); struct amdgpu_vram_reservation *rsv; rsv = kzalloc(sizeof(*rsv), GFP_KERNEL); @@ -285,7 +282,7 @@ int amdgpu_vram_mgr_reserve_range(struct ttm_resource_manager *man, spin_lock(&mgr->lock); list_add_tail(&mgr->reservations_pending, &rsv->node); - amdgpu_vram_mgr_do_reserve(man); + amdgpu_vram_mgr_do_reserve(&mgr->manager); spin_unlock(&mgr->lock); return 0; @@ -294,7 +291,7 @@ int amdgpu_vram_mgr_reserve_range(struct ttm_resource_manager *man, /** * amdgpu_vram_mgr_query_page_status - query the reservation status * - * @man: TTM memory type manager + * @mgr: amdgpu_vram_mgr pointer * @start: start address of a page in VRAM * * Returns: @@ -302,10 +299,9 @@ int amdgpu_vram_mgr_reserve_range(struct ttm_resource_manager *man, * 0: the page has been reserved * -ENOENT: the input page is not a reservation */ -int amdgpu_vram_mgr_query_page_status(struct ttm_resource_manager *man, +int amdgpu_vram_mgr_query_page_status(struct amdgpu_vram_mgr *mgr, uint64_t start) { - struct amdgpu_vram_mgr *mgr = to_vram_mgr(man); struct amdgpu_vram_reservation *rsv; int ret; @@ -632,28 +628,24 @@ void amdgpu_vram_mgr_free_sgt(struct device *dev, /** * amdgpu_vram_mgr_usage - how many bytes are used in this domain * - * @man: TTM memory type manager + * @mgr: amdgpu_vram_mgr pointer * * Returns how many bytes are used in this domain. */ -uint64_t amdgpu_vram_mgr_usage(struct ttm_resource_manager *man) +uint64_t amdgpu_vram_mgr_usage(struct amdgpu_vram_mgr *mgr) { - struct amdgpu_vram_mgr *mgr = to_vram_mgr(man); - return atomic64_read(&mgr->usage); } /** * amdgpu_vram_mgr_vis_usage - how many bytes are used in the visible part * - * @man: TTM memory type manager + * @mgr: amdgpu_vram_mgr pointer * * Returns how many bytes are used in the visible part of VRAM */ -uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_resource_manager *man) +uint64_t amdgpu_vram_mgr_vis_usage(struct amdgpu_vram_mgr *mgr) { - struct amdgpu_vram_mgr *mgr = to_vram_mgr(man); - return atomic64_read(&mgr->vis_usage); } @@ -675,8 +667,8 @@ static void amdgpu_vram_mgr_debug(struct ttm_resource_manager *man, spin_unlock(&mgr->lock); drm_printf(printer, "man size:%llu pages, ram usage:%lluMB, vis usage:%lluMB\n", - man->size, amdgpu_vram_mgr_usage(man) >> 20, - amdgpu_vram_mgr_vis_usage(man) >> 20); + man->size, amdgpu_vram_mgr_usage(mgr) >> 20, + amdgpu_vram_mgr_vis_usage(mgr) >> 20); } static const struct ttm_resource_manager_func amdgpu_vram_mgr_func = { -- 2.7.4