On Wed, Jun 30, 2010 at 08:02:31AM +0800, Jaya Kumar wrote:
> > diff --git a/include/linux/fb.h b/include/linux/fb.h
> > index 907ace3..73381c3 100644
> > --- a/include/linux/fb.h
> > +++ b/include/linux/fb.h
> > @@ -269,6 +269,12 @@ struct fb_var_screeninfo {
> > __u32 vmode; /* see FB_VMODE_* */
> > __u32 rotate; /* angle we rotate counter clockwise */
> > __u32 reserved[5]; /* Reserved for future compatibility */
> > +
> > + /* For cpu interface timing. */
> > + __u32 cs_setup;
> > + __u32 wr_setup;
> > + __u32 wr_act;
> > + __u32 wr_hold;
This changes the framebuffer userspace API, making it incompatible with
existing users. What this means is that stuff using the framebuffer API
in userspace has to be upgraded/downgraded in lock-step with this change
- which is not a good idea.
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