X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fdrm%2Fdrm_memory.c;h=dddf8de661433cc21758fc5f1b98d25c775f483c;hb=4b75679f60d0ce780609cbff249769b669f4fb69;hp=ace3d42f4407e5df458d6578b79f0aaaa742127c;hpb=a8b3e6f10f08f66ae1072efd087b30966a3654f6;p=linux-2.6-omap-h63xx.git diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c index ace3d42f440..dddf8de6614 100644 --- a/drivers/char/drm/drm_memory.c +++ b/drivers/char/drm/drm_memory.c @@ -1,12 +1,12 @@ -/** - * \file drm_memory.h +/** + * \file drm_memory.c * Memory management wrappers for DRM * * \author Rickard E. (Rik) Faith * \author Gareth Hughes */ -/* +/* * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -48,7 +48,7 @@ void drm_mem_init(void) /** * Called when "/proc/dri/%dev%/mem" is read. - * + * * \param buf output buffer. * \param start start of output data. * \param offset requested start offset. @@ -57,10 +57,10 @@ void drm_mem_init(void) * \param data private data. * \return number of written bytes. * - * No-op. + * No-op. */ int drm_mem_info(char *buf, char **start, off_t offset, - int len, int *eof, void *data) + int len, int *eof, void *data) { return 0; } @@ -70,7 +70,8 @@ void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area) { void *pt; - if (!(pt = kmalloc(size, GFP_KERNEL))) return NULL; + if (!(pt = kmalloc(size, GFP_KERNEL))) + return NULL; if (oldpt && oldsize) { memcpy(pt, oldpt, oldsize); kfree(oldpt); @@ -78,91 +79,29 @@ void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area) return pt; } -/** - * Allocate pages. - * - * \param order size order. - * \param area memory area. (Not used.) - * \return page address on success, or zero on failure. - * - * Allocate and reserve free pages. - */ -unsigned long drm_alloc_pages(int order, int area) -{ - unsigned long address; - unsigned long bytes = PAGE_SIZE << order; - unsigned long addr; - unsigned int sz; - - address = __get_free_pages(GFP_KERNEL, order); - if (!address) - return 0; - - /* Zero */ - memset((void *)address, 0, bytes); - - /* Reserve */ - for (addr = address, sz = bytes; - sz > 0; - addr += PAGE_SIZE, sz -= PAGE_SIZE) { - SetPageReserved(virt_to_page(addr)); - } - - return address; -} - -/** - * Free pages. - * - * \param address address of the pages to free. - * \param order size order. - * \param area memory area. (Not used.) - * - * Unreserve and free pages allocated by alloc_pages(). - */ -void drm_free_pages(unsigned long address, int order, int area) -{ - unsigned long bytes = PAGE_SIZE << order; - unsigned long addr; - unsigned int sz; - - if (!address) - return; - - /* Unreserve */ - for (addr = address, sz = bytes; - sz > 0; - addr += PAGE_SIZE, sz -= PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - } - - free_pages(address, order); -} - - #if __OS_HAS_AGP /** Wrapper around agp_allocate_memory() */ -DRM_AGP_MEM *drm_alloc_agp(struct agp_bridge_data *bridge, int pages, u32 type) +DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type) { - return drm_agp_allocate_memory(bridge, pages, type); + return drm_agp_allocate_memory(dev->agp->bridge, pages, type); } /** Wrapper around agp_free_memory() */ -int drm_free_agp(DRM_AGP_MEM *handle, int pages) +int drm_free_agp(DRM_AGP_MEM * handle, int pages) { return drm_agp_free_memory(handle) ? 0 : -EINVAL; } /** Wrapper around agp_bind_memory() */ -int drm_bind_agp(DRM_AGP_MEM *handle, unsigned int start) +int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start) { return drm_agp_bind_memory(handle, start); } /** Wrapper around agp_unbind_memory() */ -int drm_unbind_agp(DRM_AGP_MEM *handle) +int drm_unbind_agp(DRM_AGP_MEM * handle) { return drm_agp_unbind_memory(handle); } -#endif /* agp */ -#endif /* debug_memory */ +#endif /* agp */ +#endif /* debug_memory */