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fbdev: allow passing more than one aperture for handoff

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It removes a hack from nouveau code which had to detect which
region to pass to kick vesafb/efifb.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Peter Jones <pjones@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Marcin Slusarz
2010-05-16 17:27:03 +02:00
committed by Dave Airlie
parent 3da1f33e79
commit 1471ca9aa7
10 changed files with 123 additions and 88 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/video/offb.c
+17 -11
View File
@@ -285,7 +285,7 @@ static void offb_destroy(struct fb_info *info)
{
if (info->screen_base)
iounmap(info->screen_base);
release_mem_region(info->aperture_base, info->aperture_size);
release_mem_region(info->apertures->ranges[0].base, info->apertures->ranges[0].size);
framebuffer_release(info);
}
@@ -491,8 +491,11 @@ static void __init offb_init_fb(const char *name, const char *full_name,
var->vmode = FB_VMODE_NONINTERLACED;
/* set offb aperture size for generic probing */
info->aperture_base = address;
info->aperture_size = fix->smem_len;
info->apertures = alloc_apertures(1);
if (!info->apertures)
goto out_aper;
info->apertures->ranges[0].base = address;
info->apertures->ranges[0].size = fix->smem_len;
info->fbops = &offb_ops;
info->screen_base = ioremap(address, fix->smem_len);
@@ -501,17 +504,20 @@ static void __init offb_init_fb(const char *name, const char *full_name,
fb_alloc_cmap(&info->cmap, 256, 0);
if (register_framebuffer(info) < 0) {
iounmap(par->cmap_adr);
par->cmap_adr = NULL;
iounmap(info->screen_base);
framebuffer_release(info);
release_mem_region(res_start, res_size);
return;
}
if (register_framebuffer(info) < 0)
goto out_err;
printk(KERN_INFO "fb%d: Open Firmware frame buffer device on %s\n",
info->node, full_name);
return;
out_err:
iounmap(info->screen_base);
out_aper:
iounmap(par->cmap_adr);
par->cmap_adr = NULL;
framebuffer_release(info);
release_mem_region(res_start, res_size);
}