diff options
Diffstat (limited to 'linux-core/drm_bo_move.c')
| -rw-r--r-- | linux-core/drm_bo_move.c | 99 |
1 files changed, 47 insertions, 52 deletions
diff --git a/linux-core/drm_bo_move.c b/linux-core/drm_bo_move.c index 7c86c4aa..b06a09f0 100644 --- a/linux-core/drm_bo_move.c +++ b/linux-core/drm_bo_move.c @@ -1,8 +1,8 @@ /************************************************************************** - * + * * Copyright (c) 2007 Tungsten Graphics, Inc., Cedar Park, TX., USA * 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 @@ -10,7 +10,7 @@ * 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 above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. @@ -19,8 +19,8 @@ * 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 + * 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. * **************************************************************************/ @@ -35,7 +35,7 @@ * have not been requested to free also pinned regions. */ -static void drm_bo_free_old_node(struct drm_buffer_object * bo) +static void drm_bo_free_old_node(struct drm_buffer_object *bo) { struct drm_bo_mem_reg *old_mem = &bo->mem; @@ -48,13 +48,13 @@ static void drm_bo_free_old_node(struct drm_buffer_object * bo) old_mem->mm_node = NULL; } -int drm_bo_move_ttm(struct drm_buffer_object * bo, - int evict, int no_wait, struct drm_bo_mem_reg * new_mem) +int drm_bo_move_ttm(struct drm_buffer_object *bo, + int evict, int no_wait, struct drm_bo_mem_reg *new_mem) { struct drm_ttm *ttm = bo->ttm; struct drm_bo_mem_reg *old_mem = &bo->mem; uint64_t save_flags = old_mem->flags; - uint64_t save_mask = old_mem->mask; + uint64_t save_proposed_flags = old_mem->proposed_flags; int ret; if (old_mem->mem_type == DRM_BO_MEM_TT) { @@ -71,18 +71,17 @@ int drm_bo_move_ttm(struct drm_buffer_object * bo, save_flags = old_mem->flags; } if (new_mem->mem_type != DRM_BO_MEM_LOCAL) { - ret = drm_bind_ttm(ttm, new_mem); + ret = drm_ttm_bind(ttm, new_mem); if (ret) return ret; } *old_mem = *new_mem; new_mem->mm_node = NULL; - old_mem->mask = save_mask; + old_mem->proposed_flags = save_proposed_flags; DRM_FLAG_MASKED(save_flags, new_mem->flags, DRM_BO_MASK_MEMTYPE); return 0; } - EXPORT_SYMBOL(drm_bo_move_ttm); /** @@ -90,17 +89,17 @@ EXPORT_SYMBOL(drm_bo_move_ttm); * * \param bo The buffer object. * \return Failure indication. - * + * * Returns -EINVAL if the buffer object is currently not mappable. * Returns -ENOMEM if the ioremap operation failed. * Otherwise returns zero. - * + * * After a successfull call, bo->iomap contains the virtual address, or NULL - * if the buffer object content is not accessible through PCI space. + * if the buffer object content is not accessible through PCI space. * Call bo->mutex locked. */ -int drm_mem_reg_ioremap(struct drm_device * dev, struct drm_bo_mem_reg * mem, +int drm_mem_reg_ioremap(struct drm_device *dev, struct drm_bo_mem_reg *mem, void **virtual) { struct drm_buffer_manager *bm = &dev->bm; @@ -136,7 +135,7 @@ EXPORT_SYMBOL(drm_mem_reg_ioremap); * Call bo->mutex locked. */ -void drm_mem_reg_iounmap(struct drm_device * dev, struct drm_bo_mem_reg * mem, +void drm_mem_reg_iounmap(struct drm_device *dev, struct drm_bo_mem_reg *mem, void *virtual) { struct drm_buffer_manager *bm; @@ -145,9 +144,8 @@ void drm_mem_reg_iounmap(struct drm_device * dev, struct drm_bo_mem_reg * mem, bm = &dev->bm; man = &bm->man[mem->mem_type]; - if (virtual && (man->flags & _DRM_FLAG_NEEDS_IOREMAP)) { + if (virtual && (man->flags & _DRM_FLAG_NEEDS_IOREMAP)) iounmap(virtual); - } } static int drm_copy_io_page(void *dst, void *src, unsigned long page) @@ -163,7 +161,8 @@ static int drm_copy_io_page(void *dst, void *src, unsigned long page) return 0; } -static int drm_copy_io_ttm_page(struct drm_ttm * ttm, void *src, unsigned long page) +static int drm_copy_io_ttm_page(struct drm_ttm *ttm, void *src, + unsigned long page) { struct page *d = drm_ttm_get_page(ttm, page); void *dst; @@ -181,7 +180,7 @@ static int drm_copy_io_ttm_page(struct drm_ttm * ttm, void *src, unsigned long p return 0; } -static int drm_copy_ttm_io_page(struct drm_ttm * ttm, void *dst, unsigned long page) +static int drm_copy_ttm_io_page(struct drm_ttm *ttm, void *dst, unsigned long page) { struct page *s = drm_ttm_get_page(ttm, page); void *src; @@ -199,8 +198,8 @@ static int drm_copy_ttm_io_page(struct drm_ttm * ttm, void *dst, unsigned long p return 0; } -int drm_bo_move_memcpy(struct drm_buffer_object * bo, - int evict, int no_wait, struct drm_bo_mem_reg * new_mem) +int drm_bo_move_memcpy(struct drm_buffer_object *bo, + int evict, int no_wait, struct drm_bo_mem_reg *new_mem) { struct drm_device *dev = bo->dev; struct drm_mem_type_manager *man = &dev->bm.man[new_mem->mem_type]; @@ -211,7 +210,7 @@ int drm_bo_move_memcpy(struct drm_buffer_object * bo, void *new_iomap; int ret; uint64_t save_flags = old_mem->flags; - uint64_t save_mask = old_mem->mask; + uint64_t save_proposed_flags = old_mem->proposed_flags; unsigned long i; unsigned long page; unsigned long add = 0; @@ -251,27 +250,26 @@ int drm_bo_move_memcpy(struct drm_buffer_object * bo, goto out1; } mb(); - out2: +out2: drm_bo_free_old_node(bo); *old_mem = *new_mem; new_mem->mm_node = NULL; - old_mem->mask = save_mask; + old_mem->proposed_flags = save_proposed_flags; DRM_FLAG_MASKED(save_flags, new_mem->flags, DRM_BO_MASK_MEMTYPE); if ((man->flags & _DRM_FLAG_MEMTYPE_FIXED) && (ttm != NULL)) { drm_ttm_unbind(ttm); - drm_destroy_ttm(ttm); + drm_ttm_destroy(ttm); bo->ttm = NULL; } - out1: +out1: drm_mem_reg_iounmap(dev, new_mem, new_iomap); - out: +out: drm_mem_reg_iounmap(dev, &old_copy, old_iomap); return ret; } - EXPORT_SYMBOL(drm_bo_move_memcpy); /* @@ -280,8 +278,8 @@ EXPORT_SYMBOL(drm_bo_move_memcpy); * object. Call bo->mutex locked. */ -int drm_buffer_object_transfer(struct drm_buffer_object * bo, - struct drm_buffer_object ** new_obj) +int drm_buffer_object_transfer(struct drm_buffer_object *bo, + struct drm_buffer_object **new_obj) { struct drm_buffer_object *fbo; struct drm_device *dev = bo->dev; @@ -305,7 +303,7 @@ int drm_buffer_object_transfer(struct drm_buffer_object * bo, INIT_LIST_HEAD(&fbo->p_mm_list); #endif - drm_fence_reference_unlocked(&fbo->fence, bo->fence); + fbo->fence = drm_fence_reference_locked(bo->fence); fbo->pinned_node = NULL; fbo->mem.mm_node->private = (void *)fbo; atomic_set(&fbo->usage, 1); @@ -322,19 +320,17 @@ int drm_buffer_object_transfer(struct drm_buffer_object * bo, * We cannot restart until it has finished. */ -int drm_bo_move_accel_cleanup(struct drm_buffer_object * bo, - int evict, - int no_wait, - uint32_t fence_class, - uint32_t fence_type, - uint32_t fence_flags, struct drm_bo_mem_reg * new_mem) +int drm_bo_move_accel_cleanup(struct drm_buffer_object *bo, + int evict, int no_wait, uint32_t fence_class, + uint32_t fence_type, uint32_t fence_flags, + struct drm_bo_mem_reg *new_mem) { struct drm_device *dev = bo->dev; struct drm_mem_type_manager *man = &dev->bm.man[new_mem->mem_type]; struct drm_bo_mem_reg *old_mem = &bo->mem; int ret; uint64_t save_flags = old_mem->flags; - uint64_t save_mask = old_mem->mask; + uint64_t save_proposed_flags = old_mem->proposed_flags; struct drm_buffer_object *old_obj; if (bo->fence) @@ -349,11 +345,11 @@ int drm_bo_move_accel_cleanup(struct drm_buffer_object * bo, #ifdef DRM_ODD_MM_COMPAT /* * In this mode, we don't allow pipelining a copy blit, - * since the buffer will be accessible from user space + * since the buffer will be accessible from user space * the moment we return and rebuild the page tables. * * With normal vm operation, page tables are rebuilt - * on demand using fault(), which waits for buffer idle. + * on demand using fault(), which waits for buffer idle. */ if (1) #else @@ -369,7 +365,7 @@ int drm_bo_move_accel_cleanup(struct drm_buffer_object * bo, if ((man->flags & _DRM_FLAG_MEMTYPE_FIXED) && (bo->ttm != NULL)) { drm_ttm_unbind(bo->ttm); - drm_destroy_ttm(bo->ttm); + drm_ttm_destroy(bo->ttm); bo->ttm = NULL; } } else { @@ -403,11 +399,10 @@ int drm_bo_move_accel_cleanup(struct drm_buffer_object * bo, *old_mem = *new_mem; new_mem->mm_node = NULL; - old_mem->mask = save_mask; + old_mem->proposed_flags = save_proposed_flags; DRM_FLAG_MASKED(save_flags, new_mem->flags, DRM_BO_MASK_MEMTYPE); return 0; } - EXPORT_SYMBOL(drm_bo_move_accel_cleanup); int drm_bo_same_page(unsigned long offset, @@ -420,13 +415,11 @@ EXPORT_SYMBOL(drm_bo_same_page); unsigned long drm_bo_offset_end(unsigned long offset, unsigned long end) { - offset = (offset + PAGE_SIZE) & PAGE_MASK; return (end < offset) ? end : offset; } EXPORT_SYMBOL(drm_bo_offset_end); - static pgprot_t drm_kernel_io_prot(uint32_t map_type) { pgprot_t tmp = PAGE_KERNEL; @@ -475,8 +468,9 @@ static int drm_bo_ioremap(struct drm_buffer_object *bo, unsigned long bus_base, return (!map->virtual) ? -ENOMEM : 0; } -static int drm_bo_kmap_ttm(struct drm_buffer_object *bo, unsigned long start_page, - unsigned long num_pages, struct drm_bo_kmap_obj *map) +static int drm_bo_kmap_ttm(struct drm_buffer_object *bo, + unsigned long start_page, unsigned long num_pages, + struct drm_bo_kmap_obj *map) { struct drm_device *dev = bo->dev; struct drm_bo_mem_reg *mem = &bo->mem; @@ -503,7 +497,7 @@ static int drm_bo_kmap_ttm(struct drm_buffer_object *bo, unsigned long start_pag * Populate the part we're mapping; */ - for (i = start_page; i< start_page + num_pages; ++i) { + for (i = start_page; i < start_page + num_pages; ++i) { d = drm_ttm_get_page(ttm, i); if (!d) return -ENOMEM; @@ -530,7 +524,8 @@ static int drm_bo_kmap_ttm(struct drm_buffer_object *bo, unsigned long start_pag * and caching policy the buffer currently has. * Mapping multiple pages or buffers that live in io memory is a bit slow and * consumes vmalloc space. Be restrictive with such mappings. - * Mapping single pages usually returns the logical kernel address, (which is fast) + * Mapping single pages usually returns the logical kernel address, + * (which is fast) * BUG may use slower temporary mappings for high memory pages or * uncached / write-combined pages. * @@ -581,7 +576,7 @@ void drm_bo_kunmap(struct drm_bo_kmap_obj *map) if (!map->virtual) return; - switch(map->bo_kmap_type) { + switch (map->bo_kmap_type) { case bo_map_iomap: iounmap(map->virtual); break; |