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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2009-12-03 10:31:56 -0500 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-12-03 17:30:02 -0800 |
| commit | 7164bb4393cef668d3da281fa1c599a6673ea768 (patch) | |
| tree | dddab675372695c8b1a080be0df9d0cf62d8e150 /include/linux/fb.h | |
| parent | ba69ea42f8ba8286cbe0e939bd1ce781b7905b84 (diff) | |
| download | lwn-7164bb4393cef668d3da281fa1c599a6673ea768.tar.gz lwn-7164bb4393cef668d3da281fa1c599a6673ea768.zip | |
fb-defio: If FBINFO_VIRTFB is defined, do not set VM_IO flag.
Most users (except sh_mobile_lcdcfb.c) get their framebuffer from
vmalloc. Setting VM_IO is not necessary as the memory obtained
from vmalloc is System RAM type and is not susceptible to PCI memory
constraints.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Diffstat (limited to 'include/linux/fb.h')
| -rw-r--r-- | include/linux/fb.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/fb.h b/include/linux/fb.h index f847df9e99b6..6e8ebf7e6523 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -768,6 +768,7 @@ 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 */ |