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Merge branch 'xen/fbdev' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen

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* 'xen/fbdev' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen:
  xen pvfb: Inhibit VM_IO flag to be set on vmalloc-ed framebuffers.
  fb-defio: Inhibit VM_IO flag to be set on vmalloc-ed framebuffers.
  fb-defio: If FBINFO_VIRTFB is defined, do not set VM_IO flag.
  Fix toogle whether xenbus driver should be built as module or part of kernel.
This commit is contained in:
Linus Torvalds 2009-12-10 09:34:40 -08:00
commit eae6fa9b0c
8 changed files with 10 additions and 5 deletions
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1
drivers/input/Kconfig
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@ -165,6 +165,7 @@ config XEN_KBDDEV_FRONTEND
tristate "Xen virtual keyboard and mouse support"
depends on XEN_FBDEV_FRONTEND
default y
select XEN_XENBUS_FRONTEND
help
This driver implements the front-end of the Xen virtual
keyboard and mouse device driver. It communicates with a back-end

1
drivers/video/Kconfig
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@ -2066,6 +2066,7 @@ config XEN_FBDEV_FRONTEND
select FB_SYS_IMAGEBLIT
select FB_SYS_FOPS
select FB_DEFERRED_IO
select XEN_XENBUS_FRONTEND
default y
help
This driver implements the front-end of the Xen virtual

2
drivers/video/broadsheetfb.c
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@ -470,7 +470,7 @@ static int __devinit broadsheetfb_probe(struct platform_device *dev)
par->read_reg = broadsheet_read_reg;
init_waitqueue_head(&par->waitq);
info->flags = FBINFO_FLAG_DEFAULT;
info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
info->fbdefio = &broadsheetfb_defio;
fb_deferred_io_init(info);

4
drivers/video/fb_defio.c
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@ -144,7 +144,9 @@ static const struct address_space_operations fb_deferred_io_aops = {
static int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma)
{
vma->vm_ops = &fb_deferred_io_vm_ops;
vma->vm_flags |= ( VM_IO | VM_RESERVED | VM_DONTEXPAND );
vma->vm_flags |= ( VM_RESERVED | VM_DONTEXPAND );
if (!(info->flags & FBINFO_VIRTFB))
vma->vm_flags |= VM_IO;
vma->vm_private_data = info;
return 0;
}

2
drivers/video/hecubafb.c
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@ -253,7 +253,7 @@ static int __devinit hecubafb_probe(struct platform_device *dev)
par->send_command = apollo_send_command;
par->send_data = apollo_send_data;
info->flags = FBINFO_FLAG_DEFAULT;
info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
info->fbdefio = &hecubafb_defio;
fb_deferred_io_init(info);

2
drivers/video/metronomefb.c
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@ -700,7 +700,7 @@ static int __devinit metronomefb_probe(struct platform_device *dev)
if (retval < 0)
goto err_free_irq;
info->flags = FBINFO_FLAG_DEFAULT;
info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
info->fbdefio = &metronomefb_defio;
fb_deferred_io_init(info);

2
drivers/video/xen-fbfront.c
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@ -440,7 +440,7 @@ static int __devinit xenfb_probe(struct xenbus_device *dev,
fb_info->fix.type = FB_TYPE_PACKED_PIXELS;
fb_info->fix.accel = FB_ACCEL_NONE;
fb_info->flags = FBINFO_FLAG_DEFAULT;
fb_info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
ret = fb_alloc_cmap(&fb_info->cmap, 256, 0);
if (ret < 0) {

1
include/linux/fb.h
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@ -763,6 +763,7 @@ struct fb_tile_ops {
* takes over; acceleration engine should be in a quiescent state */
/* hints */
#define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. */
#define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
#define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */