Revert "drm/i915/execlists: Reset RING registers upon resume"

This reverts commit f2a0409a08 which is
commit bafb2f7d47 upstream.

It was reported to have problems.

Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Eric Blau <eblau1@gmail.com>
Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
This commit is contained in:
Greg Kroah-Hartman 2017-04-12 15:49:39 +02:00
commit 0ee72d8f9b