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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
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17
include/linux/fb.h
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@ -403,6 +403,7 @@ struct fb_cursor {
#include <linux/notifier.h>
#include <linux/list.h>
#include <linux/backlight.h>
#include <linux/slab.h>
#include <asm/io.h>
struct vm_area_struct;
@ -862,10 +863,22 @@ struct fb_info {
/* we need the PCI or similiar aperture base/size not
smem_start/size as smem_start may just be an object
allocated inside the aperture so may not actually overlap */
resource_size_t aperture_base;
resource_size_t aperture_size;
struct apertures_struct {
unsigned int count;
struct aperture {
resource_size_t base;
resource_size_t size;
} ranges[0];
} *apertures;
};
static inline struct apertures_struct *alloc_apertures(unsigned int max_num) {
struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct)
+ max_num * sizeof(struct aperture), GFP_KERNEL);
a->count = max_num;
return a;
}
#ifdef MODULE
#define FBINFO_DEFAULT FBINFO_MODULE
#else