| 0,0 → 1,270 |
|---|
| /* |
| * Copyright 2009 Jerome Glisse. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| */ |
| /* |
| * Authors: |
| * Jerome Glisse <glisse@freedesktop.org> |
| * Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> |
| * Dave Airlie |
| */ |
| #include <ttm/ttm_bo_api.h> |
| #include <ttm/ttm_bo_driver.h> |
| #include <ttm/ttm_placement.h> |
| #include <ttm/ttm_module.h> |
| #include <drm/drmP.h> |
| #include <drm/radeon_drm.h> |
| #include <linux/seq_file.h> |
| #include "radeon_reg.h" |
| #include "radeon.h" |
| |
| #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT) |
| |
| static int radeon_ttm_debugfs_init(struct radeon_device *rdev); |
| |
| static struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev) |
| { |
| struct radeon_mman *mman; |
| struct radeon_device *rdev; |
| |
| mman = container_of(bdev, struct radeon_mman, bdev); |
| rdev = container_of(mman, struct radeon_device, mman); |
| return rdev; |
| } |
| |
| |
| /* |
| * Global memory. |
| */ |
| static int radeon_ttm_mem_global_init(struct ttm_global_reference *ref) |
| { |
| return ttm_mem_global_init(ref->object); |
| } |
| |
| static void radeon_ttm_mem_global_release(struct ttm_global_reference *ref) |
| { |
| ttm_mem_global_release(ref->object); |
| } |
| |
| static int radeon_ttm_global_init(struct radeon_device *rdev) |
| { |
| struct ttm_global_reference *global_ref; |
| int r; |
| |
| rdev->mman.mem_global_referenced = false; |
| global_ref = &rdev->mman.mem_global_ref; |
| global_ref->global_type = TTM_GLOBAL_TTM_MEM; |
| global_ref->size = sizeof(struct ttm_mem_global); |
| global_ref->init = &radeon_ttm_mem_global_init; |
| global_ref->release = &radeon_ttm_mem_global_release; |
| r = ttm_global_item_ref(global_ref); |
| if (r != 0) { |
| DRM_ERROR("Failed setting up TTM memory accounting " |
| "subsystem.\n"); |
| return r; |
| } |
| |
| rdev->mman.bo_global_ref.mem_glob = |
| rdev->mman.mem_global_ref.object; |
| global_ref = &rdev->mman.bo_global_ref.ref; |
| global_ref->global_type = TTM_GLOBAL_TTM_BO; |
| global_ref->size = sizeof(struct ttm_bo_global); |
| global_ref->init = &ttm_bo_global_init; |
| global_ref->release = &ttm_bo_global_release; |
| r = ttm_global_item_ref(global_ref); |
| if (r != 0) { |
| DRM_ERROR("Failed setting up TTM BO subsystem.\n"); |
| ttm_global_item_unref(&rdev->mman.mem_global_ref); |
| return r; |
| } |
| |
| rdev->mman.mem_global_referenced = true; |
| return 0; |
| } |
| |
| |
| struct ttm_backend *radeon_ttm_backend_create(struct radeon_device *rdev); |
| |
| |
| static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, |
| struct ttm_mem_type_manager *man) |
| { |
| struct radeon_device *rdev; |
| |
| rdev = radeon_get_rdev(bdev); |
| |
| switch (type) { |
| case TTM_PL_SYSTEM: |
| /* System memory */ |
| man->flags = TTM_MEMTYPE_FLAG_MAPPABLE; |
| man->available_caching = TTM_PL_MASK_CACHING; |
| man->default_caching = TTM_PL_FLAG_CACHED; |
| break; |
| case TTM_PL_TT: |
| man->gpu_offset = rdev->mc.gtt_location; |
| man->available_caching = TTM_PL_MASK_CACHING; |
| man->default_caching = TTM_PL_FLAG_CACHED; |
| man->flags = TTM_MEMTYPE_FLAG_MAPPABLE | TTM_MEMTYPE_FLAG_CMA; |
| #if __OS_HAS_AGP |
| if (rdev->flags & RADEON_IS_AGP) { |
| if (!(drm_core_has_AGP(rdev->ddev) && rdev->ddev->agp)) { |
| DRM_ERROR("AGP is not enabled for memory type %u\n", |
| (unsigned)type); |
| return -EINVAL; |
| } |
| man->io_offset = rdev->mc.agp_base; |
| man->io_size = rdev->mc.gtt_size; |
| man->io_addr = NULL; |
| if (!rdev->ddev->agp->cant_use_aperture) |
| man->flags = TTM_MEMTYPE_FLAG_NEEDS_IOREMAP | |
| TTM_MEMTYPE_FLAG_MAPPABLE; |
| man->available_caching = TTM_PL_FLAG_UNCACHED | |
| TTM_PL_FLAG_WC; |
| man->default_caching = TTM_PL_FLAG_WC; |
| } else |
| #endif |
| { |
| man->io_offset = 0; |
| man->io_size = 0; |
| man->io_addr = NULL; |
| } |
| break; |
| case TTM_PL_VRAM: |
| /* "On-card" video ram */ |
| man->gpu_offset = rdev->mc.vram_location; |
| man->flags = TTM_MEMTYPE_FLAG_FIXED | |
| TTM_MEMTYPE_FLAG_NEEDS_IOREMAP | |
| TTM_MEMTYPE_FLAG_MAPPABLE; |
| man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC; |
| man->default_caching = TTM_PL_FLAG_WC; |
| man->io_addr = NULL; |
| man->io_offset = rdev->mc.aper_base; |
| man->io_size = rdev->mc.aper_size; |
| break; |
| default: |
| DRM_ERROR("Unsupported memory type %u\n", (unsigned)type); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static struct ttm_bo_driver radeon_bo_driver = { |
| // .create_ttm_backend_entry = &radeon_create_ttm_backend_entry, |
| // .invalidate_caches = &radeon_invalidate_caches, |
| .init_mem_type = &radeon_init_mem_type, |
| // .evict_flags = &radeon_evict_flags, |
| // .move = &radeon_bo_move, |
| // .verify_access = &radeon_verify_access, |
| // .sync_obj_signaled = &radeon_sync_obj_signaled, |
| // .sync_obj_wait = &radeon_sync_obj_wait, |
| // .sync_obj_flush = &radeon_sync_obj_flush, |
| // .sync_obj_unref = &radeon_sync_obj_unref, |
| // .sync_obj_ref = &radeon_sync_obj_ref, |
| // .move_notify = &radeon_bo_move_notify, |
| // .fault_reserve_notify = &radeon_bo_fault_reserve_notify, |
| }; |
| |
| int radeon_ttm_init(struct radeon_device *rdev) |
| { |
| int r; |
| |
| r = radeon_ttm_global_init(rdev); |
| if (r) { |
| return r; |
| } |
| /* No others user of address space so set it to 0 */ |
| r = ttm_bo_device_init(&rdev->mman.bdev, |
| rdev->mman.bo_global_ref.ref.object, |
| &radeon_bo_driver, DRM_FILE_PAGE_OFFSET, |
| rdev->need_dma32); |
| if (r) { |
| DRM_ERROR("failed initializing buffer object driver(%d).\n", r); |
| return r; |
| } |
| rdev->mman.initialized = true; |
| r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_VRAM, |
| rdev->mc.real_vram_size >> PAGE_SHIFT); |
| if (r) { |
| DRM_ERROR("Failed initializing VRAM heap.\n"); |
| return r; |
| } |
| r = radeon_bo_create(rdev, NULL, 256 * 1024, true, |
| RADEON_GEM_DOMAIN_VRAM, |
| &rdev->stollen_vga_memory); |
| if (r) { |
| return r; |
| } |
| r = radeon_bo_reserve(rdev->stollen_vga_memory, false); |
| if (r) |
| return r; |
| r = radeon_bo_pin(rdev->stollen_vga_memory, RADEON_GEM_DOMAIN_VRAM, NULL); |
| radeon_bo_unreserve(rdev->stollen_vga_memory); |
| if (r) { |
| radeon_bo_unref(&rdev->stollen_vga_memory); |
| return r; |
| } |
| DRM_INFO("radeon: %uM of VRAM memory ready\n", |
| (unsigned)rdev->mc.real_vram_size / (1024 * 1024)); |
| r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_TT, |
| rdev->mc.gtt_size >> PAGE_SHIFT); |
| if (r) { |
| DRM_ERROR("Failed initializing GTT heap.\n"); |
| return r; |
| } |
| DRM_INFO("radeon: %uM of GTT memory ready.\n", |
| (unsigned)(rdev->mc.gtt_size / (1024 * 1024))); |
| if (unlikely(rdev->mman.bdev.dev_mapping == NULL)) { |
| rdev->mman.bdev.dev_mapping = rdev->ddev->dev_mapping; |
| } |
| |
| r = radeon_ttm_debugfs_init(rdev); |
| if (r) { |
| DRM_ERROR("Failed to init debugfs\n"); |
| return r; |
| } |
| return 0; |
| } |
| |
| static struct vm_operations_struct radeon_ttm_vm_ops; |
| static const struct vm_operations_struct *ttm_vm_ops = NULL; |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |