-/**
- * \file drm_memory.h
+/**
+ * \file drm_memory.c
* Memory management wrappers for DRM
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
* \author Gareth Hughes <gareth@valinux.com>
*/
-/*
+/*
* Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
/**
* Called when "/proc/dri/%dev%/mem" is read.
- *
+ *
* \param buf output buffer.
* \param start start of output data.
* \param offset requested start offset.
* \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;
}
-/** Wrapper around kmalloc() */
-void *drm_calloc(size_t nmemb, size_t size, int area)
-{
- void *addr;
-
- addr = kmalloc(size * nmemb, GFP_KERNEL);
- if (addr != NULL)
- memset((void *)addr, 0, size * nmemb);
-
- return addr;
-}
-EXPORT_SYMBOL(drm_calloc);
-
/** Wrapper around kmalloc() and kfree() */
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);
unsigned long drm_alloc_pages(int order, int area)
{
unsigned long address;
- unsigned long bytes = PAGE_SIZE << order;
+ unsigned long bytes = PAGE_SIZE << order;
unsigned long addr;
- unsigned int sz;
+ unsigned int sz;
- address = __get_free_pages(GFP_KERNEL, order);
- if (!address)
+ address = __get_free_pages(GFP_KERNEL|__GFP_COMP, order);
+ if (!address)
return 0;
- /* Zero */
+ /* Zero */
memset((void *)address, 0, bytes);
- /* Reserve */
+ /* Reserve */
for (addr = address, sz = bytes;
- sz > 0;
- addr += PAGE_SIZE, sz -= PAGE_SIZE) {
+ sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
SetPageReserved(virt_to_page(addr));
}
/**
* Free pages.
- *
+ *
* \param address address of the pages to free.
* \param order size order.
* \param area memory area. (Not used.)
{
unsigned long bytes = PAGE_SIZE << order;
unsigned long addr;
- unsigned int sz;
+ unsigned int sz;
- if (!address)
+ if (!address)
return;
/* Unreserve */
for (addr = address, sz = bytes;
- sz > 0;
- addr += PAGE_SIZE, sz -= PAGE_SIZE) {
+ 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(int pages, u32 type)
+DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type)
{
- return drm_agp_allocate_memory(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 */