Messages in this thread | | | Date | Tue, 11 Jan 2000 00:34:10 -0700 | From | Erik Andersen <> | Subject | Re: [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/
| |