diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/uvesafb.c | 49 | ||||
| -rw-r--r-- | drivers/video/vesafb.c | 44 |
2 files changed, 64 insertions, 29 deletions
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index 5180a215d78..7f8472cc993 100644 --- a/drivers/video/uvesafb.c +++ b/drivers/video/uvesafb.c @@ -1552,8 +1552,7 @@ static void __devinit uvesafb_init_mtrr(struct fb_info *info) int rc; /* Find the largest power-of-two */ - while (temp_size & (temp_size - 1)) - temp_size &= (temp_size - 1); + temp_size = roundup_pow_of_two(temp_size); /* Try and find a power of two to add */ do { @@ -1566,6 +1565,28 @@ static void __devinit uvesafb_init_mtrr(struct fb_info *info) #endif /* CONFIG_MTRR */ } +static void __devinit uvesafb_ioremap(struct fb_info *info) +{ +#ifdef CONFIG_X86 + switch (mtrr) { + case 1: /* uncachable */ + info->screen_base = ioremap_nocache(info->fix.smem_start, info->fix.smem_len); + break; + case 2: /* write-back */ + info->screen_base = ioremap_cache(info->fix.smem_start, info->fix.smem_len); + break; + case 3: /* write-combining */ + info->screen_base = ioremap_wc(info->fix.smem_start, info->fix.smem_len); + break; + case 4: /* write-through */ + default: + info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); + break; + } +#else + info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); +#endif /* CONFIG_X86 */ +} static ssize_t uvesafb_show_vbe_ver(struct device *dev, struct device_attribute *attr, char *buf) @@ -1736,15 +1757,22 @@ static int __devinit uvesafb_probe(struct platform_device *dev) uvesafb_init_info(info, mode); + if (!request_region(0x3c0, 32, "uvesafb")) { + printk(KERN_ERR "uvesafb: request region 0x3c0-0x3e0 failed\n"); + err = -EIO; + goto out_mode; + } + if (!request_mem_region(info->fix.smem_start, info->fix.smem_len, "uvesafb")) { printk(KERN_ERR "uvesafb: cannot reserve video memory at " "0x%lx\n", info->fix.smem_start); err = -EIO; - goto out_mode; + goto out_reg; } - info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); + uvesafb_init_mtrr(info); + uvesafb_ioremap(info); if (!info->screen_base) { printk(KERN_ERR @@ -1755,20 +1783,13 @@ static int __devinit uvesafb_probe(struct platform_device *dev) goto out_mem; } - if (!request_region(0x3c0, 32, "uvesafb")) { - printk(KERN_ERR "uvesafb: request region 0x3c0-0x3e0 failed\n"); - err = -EIO; - goto out_unmap; - } - - uvesafb_init_mtrr(info); platform_set_drvdata(dev, info); if (register_framebuffer(info) < 0) { printk(KERN_ERR "uvesafb: failed to register framebuffer device\n"); err = -EINVAL; - goto out_reg; + goto out_unmap; } printk(KERN_INFO "uvesafb: framebuffer at 0x%lx, mapped to 0x%p, " @@ -1785,12 +1806,12 @@ static int __devinit uvesafb_probe(struct platform_device *dev) return 0; -out_reg: - release_region(0x3c0, 32); out_unmap: iounmap(info->screen_base); out_mem: release_mem_region(info->fix.smem_start, info->fix.smem_len); +out_reg: + release_region(0x3c0, 32); out_mode: if (!list_empty(&info->modelist)) fb_destroy_modelist(&info->modelist); diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c index 6a069d04791..a99bbe86db1 100644 --- a/drivers/video/vesafb.c +++ b/drivers/video/vesafb.c @@ -303,19 +303,6 @@ static int __init vesafb_probe(struct platform_device *dev) info->apertures->ranges[0].base = screen_info.lfb_base; info->apertures->ranges[0].size = size_total; - info->screen_base = ioremap(vesafb_fix.smem_start, vesafb_fix.smem_len); - if (!info->screen_base) { - printk(KERN_ERR - "vesafb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n", - vesafb_fix.smem_len, vesafb_fix.smem_start); - err = -EIO; - goto err; - } - - printk(KERN_INFO "vesafb: framebuffer at 0x%lx, mapped to 0x%p, " - "using %dk, total %dk\n", - vesafb_fix.smem_start, info->screen_base, - size_remap/1024, size_total/1024); printk(KERN_INFO "vesafb: mode is %dx%dx%d, linelength=%d, pages=%d\n", vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel, vesafb_fix.line_length, screen_info.pages); @@ -438,8 +425,7 @@ static int __init vesafb_probe(struct platform_device *dev) int rc; /* Find the largest power-of-two */ - while (temp_size & (temp_size - 1)) - temp_size &= (temp_size - 1); + temp_size = roundup_pow_of_two(temp_size); /* Try and find a power of two to add */ do { @@ -451,6 +437,34 @@ static int __init vesafb_probe(struct platform_device *dev) } #endif + switch (mtrr) { + case 1: /* uncachable */ + info->screen_base = ioremap_nocache(vesafb_fix.smem_start, vesafb_fix.smem_len); + break; + case 2: /* write-back */ + info->screen_base = ioremap_cache(vesafb_fix.smem_start, vesafb_fix.smem_len); + break; + case 3: /* write-combining */ + info->screen_base = ioremap_wc(vesafb_fix.smem_start, vesafb_fix.smem_len); + break; + case 4: /* write-through */ + default: + info->screen_base = ioremap(vesafb_fix.smem_start, vesafb_fix.smem_len); + break; + } + if (!info->screen_base) { + printk(KERN_ERR + "vesafb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n", + vesafb_fix.smem_len, vesafb_fix.smem_start); + err = -EIO; + goto err; + } + + printk(KERN_INFO "vesafb: framebuffer at 0x%lx, mapped to 0x%p, " + "using %dk, total %dk\n", + vesafb_fix.smem_start, info->screen_base, + size_remap/1024, size_total/1024); + info->fbops = &vesafb_ops; info->var = vesafb_defined; info->fix = vesafb_fix; |