[Intel-gfx] [PATCH] intel: Update for new i915_drm.h defines.

Jesse Barnes jbarnes at virtuousgeek.org
Wed Jan 4 17:52:34 CET 2012

On Tue,  3 Jan 2012 19:10:00 -0800
Eric Anholt <eric at anholt.net> wrote:

> ---
> This syncs the code up to the kernel as of the gen7 SOL changes.  It
> would be nice if doing this was just a straight copy of the kernel
> code -- there are two diffs left out.  One is this hunk:
> -#ifdef __KERNEL__
> -/* For use by IPS driver */
> -extern unsigned long i915_read_mch_val(void);
> -extern bool i915_gpu_raise(void);
> -extern bool i915_gpu_lower(void);
> -extern bool i915_gpu_busy(void);
> -extern bool i915_gpu_turbo_disable(void);
> -#endif
> Does anyone see any real reason to be dropping this?
> The other is removing the sparse __user annotations on the structs.
> Could we just patch the kernel to #define it away for userland, so we
> could make updating this file just a matter of "cp"?

Having just done this locally, I'm in favor.  The stuff under
__KERNEL__ should be harmless; don't see why we can't just copy it.

For the __user define, we must be missing a compiler.h include
somewhere in the libdrm case.  If you explicitly include it do the
errors go away?

Jesse Barnes, Intel Open Source Technology Center
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