diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 73 |
1 files changed, 32 insertions, 41 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 5346891a3f73..9fd2157b133a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -450,7 +450,7 @@ error: return r; } -/** +/* * amdgpu_move_blit - Copy an entire buffer to another buffer * * This is a helper called by amdgpu_bo_move() and amdgpu_move_vram_ram() to @@ -511,7 +511,7 @@ error: return r; } -/** +/* * amdgpu_mem_visible - Check that memory can be accessed by ttm_bo_move_memcpy * * Called by amdgpu_bo_move() @@ -535,7 +535,7 @@ static bool amdgpu_mem_visible(struct amdgpu_device *adev, <= adev->gmc.visible_vram_size; } -/** +/* * amdgpu_bo_move - Move a buffer object to a new memory location * * Called by ttm_bo_handle_move_mem() @@ -641,7 +641,7 @@ out: return 0; } -/** +/* * amdgpu_ttm_io_mem_reserve - Reserve a block of memory during a fault * * Called by ttm_mem_io_reserve() ultimately via ttm_bo_vm_fault() @@ -732,7 +732,7 @@ struct amdgpu_ttm_tt { }; #ifdef CONFIG_DRM_AMDGPU_USERPTR -/** +/* * amdgpu_ttm_tt_get_user_pages - get device accessible pages that back user * memory and start HMM tracking CPU page table update * @@ -837,7 +837,7 @@ out: return r; } -/** +/* * amdgpu_ttm_tt_userptr_range_done - stop HMM track the CPU page table change * Check if the pages backing this ttm range have been invalidated * @@ -873,7 +873,7 @@ bool amdgpu_ttm_tt_get_user_pages_done(struct ttm_tt *ttm) } #endif -/** +/* * amdgpu_ttm_tt_set_user_pages - Copy pages in, putting old pages as necessary. * * Called by amdgpu_cs_list_validate(). This creates the page list @@ -888,7 +888,7 @@ void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct page **pages) ttm->pages[i] = pages ? pages[i] : NULL; } -/** +/* * amdgpu_ttm_tt_pin_userptr - prepare the sg table with the user pages * * Called by amdgpu_ttm_backend_bind() @@ -928,7 +928,7 @@ release_sg: return r; } -/** +/* * amdgpu_ttm_tt_unpin_userptr - Unpin and unmap userptr pages */ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_bo_device *bdev, @@ -1009,7 +1009,7 @@ gart_bind_fail: return r; } -/** +/* * amdgpu_ttm_backend_bind - Bind GTT memory * * Called by ttm_tt_bind() on behalf of ttm_bo_handle_move_mem(). @@ -1067,7 +1067,7 @@ static int amdgpu_ttm_backend_bind(struct ttm_bo_device *bdev, return r; } -/** +/* * amdgpu_ttm_alloc_gart - Make sure buffer object is accessible either * through AGP or GART aperture. * @@ -1128,7 +1128,7 @@ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo) return 0; } -/** +/* * amdgpu_ttm_recover_gart - Rebind GTT pages * * Called by amdgpu_gtt_mgr_recover() from amdgpu_device_reset() to @@ -1149,7 +1149,7 @@ int amdgpu_ttm_recover_gart(struct ttm_buffer_object *tbo) return r; } -/** +/* * amdgpu_ttm_backend_unbind - Unbind GTT mapped pages * * Called by ttm_tt_unbind() on behalf of ttm_bo_move_ttm() and @@ -1198,6 +1198,7 @@ static void amdgpu_ttm_backend_destroy(struct ttm_bo_device *bdev, * amdgpu_ttm_tt_create - Create a ttm_tt object for a given BO * * @bo: The buffer object to create a GTT ttm_tt object around + * @page_flags: Page flags to be added to the ttm_tt object * * Called by ttm_tt_create(). */ @@ -1227,7 +1228,7 @@ static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_buffer_object *bo, return >t->ttm; } -/** +/* * amdgpu_ttm_tt_populate - Map GTT pages visible to the device * * Map the pages of a ttm_tt object to an address space visible @@ -1271,7 +1272,7 @@ static int amdgpu_ttm_tt_populate(struct ttm_bo_device *bdev, return ttm_pool_alloc(&adev->mman.bdev.pool, ttm, ctx); } -/** +/* * amdgpu_ttm_tt_unpopulate - unmap GTT pages and unpopulate page arrays * * Unmaps pages of a ttm_tt object from the device address space and @@ -1341,7 +1342,7 @@ int amdgpu_ttm_tt_set_userptr(struct ttm_buffer_object *bo, return 0; } -/** +/* * amdgpu_ttm_tt_get_usermm - Return memory manager for ttm_tt object */ struct mm_struct *amdgpu_ttm_tt_get_usermm(struct ttm_tt *ttm) @@ -1357,7 +1358,7 @@ struct mm_struct *amdgpu_ttm_tt_get_usermm(struct ttm_tt *ttm) return gtt->usertask->mm; } -/** +/* * amdgpu_ttm_tt_affect_userptr - Determine if a ttm_tt object lays inside an * address range for the current task. * @@ -1381,7 +1382,7 @@ bool amdgpu_ttm_tt_affect_userptr(struct ttm_tt *ttm, unsigned long start, return true; } -/** +/* * amdgpu_ttm_tt_is_userptr - Have the pages backing by userptr? */ bool amdgpu_ttm_tt_is_userptr(struct ttm_tt *ttm) @@ -1394,7 +1395,7 @@ bool amdgpu_ttm_tt_is_userptr(struct ttm_tt *ttm) return true; } -/** +/* * amdgpu_ttm_tt_is_readonly - Is the ttm_tt object read only? */ bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm) @@ -1435,9 +1436,10 @@ uint64_t amdgpu_ttm_tt_pde_flags(struct ttm_tt *ttm, struct ttm_resource *mem) /** * amdgpu_ttm_tt_pte_flags - Compute PTE flags for ttm_tt object * + * @adev: amdgpu_device pointer * @ttm: The ttm_tt object to compute the flags for * @mem: The memory registry backing this ttm_tt object - + * * Figure out the flags to use for a VM PTE (Page Table Entry). */ uint64_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm, @@ -1454,7 +1456,7 @@ uint64_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm, return flags; } -/** +/* * amdgpu_ttm_bo_eviction_valuable - Check to see if we can evict a buffer * object. * @@ -1765,7 +1767,7 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev) return 0; } -/** +/* * amdgpu_ttm_init - Init the memory management (ttm) as well as various * gtt/vram related fields. * @@ -1899,18 +1901,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) return 0; } -/** - * amdgpu_ttm_late_init - Handle any late initialization for amdgpu_ttm - */ -void amdgpu_ttm_late_init(struct amdgpu_device *adev) -{ - /* return the VGA stolen memory (if any) back to VRAM */ - if (!adev->mman.keep_stolen_vga_memory) - amdgpu_bo_free_kernel(&adev->mman.stolen_vga_memory, NULL, NULL); - amdgpu_bo_free_kernel(&adev->mman.stolen_extended_memory, NULL, NULL); -} - -/** +/* * amdgpu_ttm_fini - De-initialize the TTM memory pools */ void amdgpu_ttm_fini(struct amdgpu_device *adev) @@ -1920,8 +1911,8 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev) amdgpu_ttm_training_reserve_vram_fini(adev); /* return the stolen vga memory back to VRAM */ - if (adev->mman.keep_stolen_vga_memory) - amdgpu_bo_free_kernel(&adev->mman.stolen_vga_memory, NULL, NULL); + amdgpu_bo_free_kernel(&adev->mman.stolen_vga_memory, NULL, NULL); + amdgpu_bo_free_kernel(&adev->mman.stolen_extended_memory, NULL, NULL); /* return the IP Discovery TMR memory back to VRAM */ amdgpu_bo_free_kernel(&adev->mman.discovery_memory, NULL, NULL); amdgpu_ttm_fw_reserve_vram_fini(adev); @@ -2231,7 +2222,7 @@ static const struct drm_info_list amdgpu_ttm_debugfs_list[] = { {"ttm_page_pool", amdgpu_ttm_pool_debugfs, 0, NULL}, }; -/** +/* * amdgpu_ttm_vram_read - Linear read access to VRAM * * Accesses VRAM via MMIO for debugging purposes. @@ -2266,7 +2257,7 @@ static ssize_t amdgpu_ttm_vram_read(struct file *f, char __user *buf, return result; } -/** +/* * amdgpu_ttm_vram_write - Linear write access to VRAM * * Accesses VRAM via MMIO for debugging purposes. @@ -2319,7 +2310,7 @@ static const struct file_operations amdgpu_ttm_vram_fops = { #ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS -/** +/* * amdgpu_ttm_gtt_read - Linear read access to GTT memory */ static ssize_t amdgpu_ttm_gtt_read(struct file *f, char __user *buf, @@ -2369,7 +2360,7 @@ static const struct file_operations amdgpu_ttm_gtt_fops = { #endif -/** +/* * amdgpu_iomem_read - Virtual read access to GPU mapped memory * * This function is used to read memory that has been mapped to the @@ -2425,7 +2416,7 @@ static ssize_t amdgpu_iomem_read(struct file *f, char __user *buf, return result; } -/** +/* * amdgpu_iomem_write - Virtual write access to GPU mapped memory * * This function is used to write memory that has been mapped to the |