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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-10 09:34:40 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-10 09:34:40 -0800
commiteae6fa9b0c3e2cb49cc157e906dd0ac52cfd7ca5 (patch)
tree34f7d08d5f9913c3b5c3bca152953a173ded1e05
parent02412f49f6a7e35753d9af49d92662fb562fc9fa (diff)
parentdf11303c90406426847255ba498607f15a472a0a (diff)
Merge branch 'xen/fbdev' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen
* '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.
-rw-r--r--drivers/input/Kconfig1
-rw-r--r--drivers/video/Kconfig1
-rw-r--r--drivers/video/broadsheetfb.c2
-rw-r--r--drivers/video/fb_defio.c4
-rw-r--r--drivers/video/hecubafb.c2
-rw-r--r--drivers/video/metronomefb.c2
-rw-r--r--drivers/video/xen-fbfront.c2
-rw-r--r--include/linux/fb.h1
8 files changed, 10 insertions, 5 deletions
diff --git a/drivers/input/Kconfig b/drivers/input/Kconfig
index 50af91ebd07..07c2cd43109 100644
--- a/drivers/input/Kconfig
+++ b/drivers/input/Kconfig
@@ -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
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 6b89eb55ed3..e9f193e6b27 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -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
diff --git a/drivers/video/broadsheetfb.c b/drivers/video/broadsheetfb.c
index 509cb92e873..df9ccb901d8 100644
--- a/drivers/video/broadsheetfb.c
+++ b/drivers/video/broadsheetfb.c
@@ -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);
diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c
index e59c0832088..44ce908a478 100644
--- a/drivers/video/fb_defio.c
+++ b/drivers/video/fb_defio.c
@@ -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;
}
diff --git a/drivers/video/hecubafb.c b/drivers/video/hecubafb.c
index 0b4bffbe67c..f9d77adf035 100644
--- a/drivers/video/hecubafb.c
+++ b/drivers/video/hecubafb.c
@@ -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);
diff --git a/drivers/video/metronomefb.c b/drivers/video/metronomefb.c
index df1f757a616..661bfd20d19 100644
--- a/drivers/video/metronomefb.c
+++ b/drivers/video/metronomefb.c
@@ -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);
diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
index 54cd9161017..91a68e9eb66 100644
--- a/drivers/video/xen-fbfront.c
+++ b/drivers/video/xen-fbfront.c
@@ -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) {
diff --git a/include/linux/fb.h b/include/linux/fb.h
index de9c722e7b9..369767bd873 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -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 */