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path: root/drivers/video/fbdev/neofb.c
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Diffstat (limited to 'drivers/video/fbdev/neofb.c')
-rw-r--r--drivers/video/fbdev/neofb.c26
1 files changed, 7 insertions, 19 deletions
diff --git a/drivers/video/fbdev/neofb.c b/drivers/video/fbdev/neofb.c
index 44f99a60b..db023a97d 100644
--- a/drivers/video/fbdev/neofb.c
+++ b/drivers/video/fbdev/neofb.c
@@ -71,11 +71,6 @@
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
-
-#ifdef CONFIG_MTRR
-#include <asm/mtrr.h>
-#endif
-
#include <video/vga.h>
#include <video/neomagic.h>
@@ -1710,6 +1705,7 @@ static int neo_map_video(struct fb_info *info, struct pci_dev *dev,
int video_len)
{
//unsigned long addr;
+ struct neofb_par *par = info->par;
DBG("neo_map_video");
@@ -1723,7 +1719,7 @@ static int neo_map_video(struct fb_info *info, struct pci_dev *dev,
}
info->screen_base =
- ioremap(info->fix.smem_start, info->fix.smem_len);
+ ioremap_wc(info->fix.smem_start, info->fix.smem_len);
if (!info->screen_base) {
printk("neofb: unable to map screen memory\n");
release_mem_region(info->fix.smem_start,
@@ -1733,11 +1729,8 @@ static int neo_map_video(struct fb_info *info, struct pci_dev *dev,
printk(KERN_INFO "neofb: mapped framebuffer at %p\n",
info->screen_base);
-#ifdef CONFIG_MTRR
- ((struct neofb_par *)(info->par))->mtrr =
- mtrr_add(info->fix.smem_start, pci_resource_len(dev, 0),
- MTRR_TYPE_WRCOMB, 1);
-#endif
+ par->wc_cookie = arch_phys_wc_add(info->fix.smem_start,
+ pci_resource_len(dev, 0));
/* Clear framebuffer, it's all white in memory after boot */
memset_io(info->screen_base, 0, info->fix.smem_len);
@@ -1754,16 +1747,11 @@ static int neo_map_video(struct fb_info *info, struct pci_dev *dev,
static void neo_unmap_video(struct fb_info *info)
{
- DBG("neo_unmap_video");
+ struct neofb_par *par = info->par;
-#ifdef CONFIG_MTRR
- {
- struct neofb_par *par = info->par;
+ DBG("neo_unmap_video");
- mtrr_del(par->mtrr, info->fix.smem_start,
- info->fix.smem_len);
- }
-#endif
+ arch_phys_wc_del(par->wc_cookie);
iounmap(info->screen_base);
info->screen_base = NULL;