lkml.org 
[lkml]   [2000]   [Jan]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] fb.h cleanup
    On Tue Jan 11, 2000 at 08:24:28AM +0100, Geert Uytterhoeven wrote:
    > On Mon, 10 Jan 2000, Erik Andersen wrote:
    > > On Mon Jan 10, 2000 at 09:55:32AM +0100, Geert Uytterhoeven wrote:
    > > > On Sun, 9 Jan 2000, James A Simmons wrote:
    > > > > Please test this patch. It's against a pre-2.3.39-2. Once you are happy
    > > > > with it Geert can you send it to linus. Thank you.
    > > >
    > > > > -#define FBIOGET_VSCREENINFO 0x4600
    > > > > +#define FBIOGET_VSCREENINFO _IOWR(FB_IOC_MAGIC, 0, struct fb_var_screeninfo)
    > > >
    > > > Are these backwards compatible on all platforms?
    > >
    > > Does it matter? From user space you already have to do a
    > >
    > > #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0)
    > > foo
    > > #else
    > > bar
    > > #endif
    > >
    > > since things like struct fb_var_screeninfo already
    > > had its internals changed.
    >
    > No you don't. All changes until now were backwards compatible.
    >

    Not this one.

    In 2.0.x:
    struct fb_var_screeninfo {
    ...
    int accel; /* see FB_ACCEL_* */
    ...
    }

    In 2.2.x:
    struct fb_var_screeninfo {
    ...
    __u32 accel_flags; /* acceleration flags (hints) */
    ...
    }

    -Erik

    --
    Erik B. Andersen Web: http://www.xmission.com/~andersen/
    email: andersee@debian.org
    --This message was written using 73% post-consumer electrons--

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.rutgers.edu
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 13:55    [W:0.021 / U:90.348 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site