[Intel-gfx] [PATCH 3/5] drm/i915: fix VGA plane disable for Ironlake+

[Adam Jackson]

On Fri, 2010-08-13 at 16:03 -0700, Jesse Barnes wrote:
> We need to use I/O port instructions to access VGA registers on
> Ironlake+, and it doesn't hurt on other platforms, so switch the VGA
> plane disable function over to using them.  Move it to init time as well
> while we're at it, no need to repeatedly disable the VGA plane with
> every mode set and DPMS event.

This is missing a vga_get()/vga_put() pair.

- ajax
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