[Intel-gfx] [intel-agp] Reduce extraneous PCI posting reads during init

Eric Anholt eric at anholt.net
Wed Oct 15 05:53:29 CEST 2008


On Tue, 2008-10-14 at 17:18 -0700, Keith Packard wrote:
> From 7111e828dc955d9fc150610297f295eaeda31f57 Mon Sep 17 00:00:00 2001
> From: Keith Packard <keithp at keithp.com>
> Date: Mon, 13 Oct 2008 23:33:21 -0700
> Subject: [PATCH] Reduce extraneous PCI posting reads during Intel AGP initialization
> 
> Instead of doing a posting read after each GTT entry update, do a single one
> at the end of the writes. This should reduce boot time a tiny amount by
> avoiding a lot of extra uncached reads.

Looks good.  Pushed.

-- 
Eric Anholt
eric at anholt.net                         eric.anholt at intel.com


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