[Intel-gfx] [PATCH] Revert "drm/i915: Check live status before reading edid"

[Chris Wilson]

On Wed, Aug 17, 2016 at 03:47:48PM +0300, David Weinehall wrote:
> This reverts commit 237ed86c693d8a8e4db476976aeb30df4deac74b.
> 
> Our current implementation of live status check (repeat 9 times
> with 10ms delays between each attempt as a workaround for
> buggy displays) imposes a rather serious penalty, time wise,
> on intel_hdmi_detect().  Since we we already skip live status
> checks on platforms before gen 7, and since we seem to have
> coped quite well before the live status check was introduced
> for newer platforms too, the previous behaviour is probably
> preferable, at least unless someone can point to a use-case
> that the live status check improves (apart from "Bspec says so".
> 
> Signed-off-by: David Weinehall <david.weinehall at linux.intel.com>

Fixes: 237ed86c693d ("drm/i915: Check live status before reading edid")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97139
Acked-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: stable at vger.kernel.org
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre