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-rw-r--r--drivers/video/fbdev/tdfxfb.c41
-rw-r--r--include/video/tdfx.h2
2 files changed, 7 insertions, 36 deletions
diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c
index f761fe3..621fa44 100644
--- a/drivers/video/fbdev/tdfxfb.c
+++ b/drivers/video/fbdev/tdfxfb.c
@@ -78,24 +78,6 @@
#define DPRINTK(a, b...) pr_debug("fb: %s: " a, __func__ , ## b)
-#ifdef CONFIG_MTRR
-#include <asm/mtrr.h>
-#else
-/* duplicate asm/mtrr.h defines to work on archs without mtrr */
-#define MTRR_TYPE_WRCOMB 1
-
-static inline int mtrr_add(unsigned long base, unsigned long size,
- unsigned int type, char increment)
-{
- return -ENODEV;
-}
-static inline int mtrr_del(int reg, unsigned long base,
- unsigned long size)
-{
- return -ENODEV;
-}
-#endif
-
#define BANSHEE_MAX_PIXCLOCK 270000
#define VOODOO3_MAX_PIXCLOCK 300000
#define VOODOO5_MAX_PIXCLOCK 350000
@@ -167,7 +149,6 @@ static int nopan;
static int nowrap = 1; /* not implemented (yet) */
static int hwcursor = 1;
static char *mode_option;
-/* mtrr option */
static bool nomtrr;
/* -------------------------------------------------------------------------
@@ -1454,8 +1435,8 @@ static int tdfxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto out_err_regbase;
}
- info->screen_base = ioremap_nocache(info->fix.smem_start,
- info->fix.smem_len);
+ info->screen_base = ioremap_wc(info->fix.smem_start,
+ info->fix.smem_len);
if (!info->screen_base) {
printk(KERN_ERR "fb: Can't remap %s framebuffer.\n",
info->fix.id);
@@ -1473,11 +1454,9 @@ static int tdfxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
printk(KERN_INFO "fb: %s memory = %dK\n", info->fix.id,
info->fix.smem_len >> 10);
- default_par->mtrr_handle = -1;
if (!nomtrr)
- default_par->mtrr_handle =
- mtrr_add(info->fix.smem_start, info->fix.smem_len,
- MTRR_TYPE_WRCOMB, 1);
+ default_par->wc_cookie= arch_phys_wc_add(info->fix.smem_start,
+ info->fix.smem_len);
info->fix.ypanstep = nopan ? 0 : 1;
info->fix.ywrapstep = nowrap ? 0 : 1;
@@ -1566,9 +1545,7 @@ out_err_iobase:
#ifdef CONFIG_FB_3DFX_I2C
tdfxfb_delete_i2c_busses(default_par);
#endif
- if (default_par->mtrr_handle >= 0)
- mtrr_del(default_par->mtrr_handle, info->fix.smem_start,
- info->fix.smem_len);
+ arch_phys_wc_del(default_par->wc_cookie);
release_region(pci_resource_start(pdev, 2),
pci_resource_len(pdev, 2));
out_err_screenbase:
@@ -1604,10 +1581,8 @@ static void __init tdfxfb_setup(char *options)
nowrap = 1;
} else if (!strncmp(this_opt, "hwcursor=", 9)) {
hwcursor = simple_strtoul(this_opt + 9, NULL, 0);
-#ifdef CONFIG_MTRR
} else if (!strncmp(this_opt, "nomtrr", 6)) {
nomtrr = 1;
-#endif
} else {
mode_option = this_opt;
}
@@ -1633,9 +1608,7 @@ static void tdfxfb_remove(struct pci_dev *pdev)
#ifdef CONFIG_FB_3DFX_I2C
tdfxfb_delete_i2c_busses(par);
#endif
- if (par->mtrr_handle >= 0)
- mtrr_del(par->mtrr_handle, info->fix.smem_start,
- info->fix.smem_len);
+ arch_phys_wc_del(par->wc_cookie);
iounmap(par->regbase_virt);
iounmap(info->screen_base);
@@ -1677,10 +1650,8 @@ MODULE_PARM_DESC(hwcursor, "Enable hardware cursor "
"(1=enable, 0=disable, default=1)");
module_param(mode_option, charp, 0);
MODULE_PARM_DESC(mode_option, "Initial video mode e.g. '648x480-8@60'");
-#ifdef CONFIG_MTRR
module_param(nomtrr, bool, 0);
MODULE_PARM_DESC(nomtrr, "Disable MTRR support (default: enabled)");
-#endif
module_init(tdfxfb_init);
module_exit(tdfxfb_exit);
diff --git a/include/video/tdfx.h b/include/video/tdfx.h
index befbaf0..69674b9 100644
--- a/include/video/tdfx.h
+++ b/include/video/tdfx.h
@@ -196,7 +196,7 @@ struct tdfx_par {
u32 palette[16];
void __iomem *regbase_virt;
unsigned long iobase;
- int mtrr_handle;
+ int wc_cookie;
#ifdef CONFIG_FB_3DFX_I2C
struct tdfxfb_i2c_chan chan[2];
#endif
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