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Diffstat (limited to 'drivers/char/drm/drm_memory.c')
-rw-r--r--drivers/char/drm/drm_memory.c56
1 files changed, 29 insertions, 27 deletions
diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c
index ff483fb418a..abef2acf99f 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 <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.
@@ -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);
@@ -90,21 +91,20 @@ void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area)
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));
}
@@ -113,7 +113,7 @@ unsigned long drm_alloc_pages(int order, int area)
/**
* Free pages.
- *
+ *
* \param address address of the pages to free.
* \param order size order.
* \param area memory area. (Not used.)
@@ -124,49 +124,51 @@ void drm_free_pages(unsigned long address, int order, int area)
{
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(drm_device_t *dev, int pages, u32 type)
+DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type)
{
return drm_agp_allocate_memory(dev->agp->bridge, pages, type);
}
+
EXPORT_SYMBOL(drm_alloc_agp);
/** 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;
}
+
EXPORT_SYMBOL(drm_free_agp);
/** 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);
}
+
EXPORT_SYMBOL(drm_bind_agp);
/** 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);
}
+
EXPORT_SYMBOL(drm_unbind_agp);
-#endif /* agp */
-#endif /* debug_memory */
+#endif /* agp */
+#endif /* debug_memory */