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authorJaya Kumar <jayakumar.lkml@gmail.com>2007-05-08 00:37:37 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:15:26 -0700
commit60b59beafba875aef6d378078bce0baf2287ae14 (patch)
treebb599c0e2ad43ee8f515a9f9af009442931b6a37 /drivers/video/Makefile
parent3a2842480bbef42c3c90e14c1f378360d8c20a0c (diff)
downloadop-kernel-dev-60b59beafba875aef6d378078bce0baf2287ae14.zip
op-kernel-dev-60b59beafba875aef6d378078bce0baf2287ae14.tar.gz
fbdev: mm: Deferred IO support
This implements deferred IO support in fbdev. Deferred IO is a way to delay and repurpose IO. This implementation is done using mm's page_mkwrite and page_mkclean hooks in order to detect, delay and then rewrite IO. This functionality is used by hecubafb. [adaplas] This is useful for graphics hardware with no directly addressable/mappable framebuffer. Implementing this will allow the "framebuffer" to be accesible from user space via mmap(). Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/Makefile')
-rw-r--r--drivers/video/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 2814624..deb5fa5 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_FB_CFB_IMAGEBLIT) += cfbimgblt.o
obj-$(CONFIG_FB_SVGALIB) += svgalib.o
obj-$(CONFIG_FB_MACMODES) += macmodes.o
obj-$(CONFIG_FB_DDC) += fb_ddc.o
+obj-$(CONFIG_FB_DEFERRED_IO) += fb_defio.o
# Hardware specific drivers go first
obj-$(CONFIG_FB_AMIGA) += amifb.o c2p.o
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