diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/vesafb.c | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c index 191156bdf638..3db390885d71 100644 --- a/drivers/video/fbdev/vesafb.c +++ b/drivers/video/fbdev/vesafb.c @@ -29,6 +29,11 @@ /* --------------------------------------------------------------------- */ +struct vesafb_par { + u32 pseudo_palette[256]; + int wc_cookie; +}; + static struct fb_var_screeninfo vesafb_defined = { .activate = FB_ACTIVATE_NOW, .height = -1, @@ -175,7 +180,16 @@ static int vesafb_setcolreg(unsigned regno, unsigned red, unsigned green, static void vesafb_destroy(struct fb_info *info) { +#ifdef CONFIG_MTRR + struct vesafb_par *par = info->par; +#endif + fb_dealloc_cmap(&info->cmap); + +#ifdef CONFIG_MTRR + if (par->wc_cookie >= 0) + mtrr_del(par->wc_cookie, 0, 0); +#endif if (info->screen_base) iounmap(info->screen_base); release_mem_region(info->apertures->ranges[0].base, info->apertures->ranges[0].size); @@ -228,6 +242,7 @@ static int vesafb_setup(char *options) static int vesafb_probe(struct platform_device *dev) { struct fb_info *info; + struct vesafb_par *par; int i, err; unsigned int size_vmode; unsigned int size_remap; @@ -291,14 +306,14 @@ static int vesafb_probe(struct platform_device *dev) spaces our resource handlers simply don't know about */ } - info = framebuffer_alloc(sizeof(u32) * 256, &dev->dev); + info = framebuffer_alloc(sizeof(struct vesafb_par), &dev->dev); if (!info) { release_mem_region(vesafb_fix.smem_start, size_total); return -ENOMEM; } platform_set_drvdata(dev, info); - info->pseudo_palette = info->par; - info->par = NULL; + par = info->par; + info->pseudo_palette = par->pseudo_palette; /* set vesafb aperture size for generic probing */ info->apertures = alloc_apertures(1); @@ -407,17 +422,17 @@ static int vesafb_probe(struct platform_device *dev) if (mtrr == 3) { #ifdef CONFIG_MTRR unsigned int temp_size = size_total; - int rc; /* Find the largest power-of-two */ temp_size = roundup_pow_of_two(temp_size); /* Try and find a power of two to add */ do { - rc = mtrr_add(vesafb_fix.smem_start, temp_size, - MTRR_TYPE_WRCOMB, 1); + par->wc_cookie = mtrr_add(vesafb_fix.smem_start, + temp_size, + MTRR_TYPE_WRCOMB, 1); temp_size >>= 1; - } while (temp_size >= PAGE_SIZE && rc == -EINVAL); + } while (temp_size >= PAGE_SIZE && par->wc_cookie == -EINVAL); #endif info->screen_base = ioremap_wc(vesafb_fix.smem_start, vesafb_fix.smem_len); } else { @@ -462,6 +477,10 @@ static int vesafb_probe(struct platform_device *dev) fb_info(info, "%s frame buffer device\n", info->fix.id); return 0; err: +#ifdef CONFIG_MTRR + if (par->wc_cookie >= 0) + mtrr_del(par->wc_cookie, 0, 0); +#endif if (info->screen_base) iounmap(info->screen_base); framebuffer_release(info); |