Revert "CHROMIUM: drm/i915: Keep PUNIT_POWER_WELL_DPIO_CMN_BC enabled on Ninja"

This reverts commit 5b1463937329e39ed67ddae3a72eba584f5ff08f.

Keeping PUNIT_POWER_WELL_DPIO_CMN_BC enabled alone causes HDMI detect
issue on certain devices, so use i915.disable_power_well=0 to keep all
vlv power well enabled.

BUG=chromium:780122
TEST=none. this patch needs to be tested in verified mode.

Change-Id: I034238ab189cb122e6d05004b0eaefce8b8bde5b
Signed-off-by: Ben Zhang <benzh@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/790811
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
Commit-Queue: Bernie Thompson <bhthompson@chromium.org>
Tested-by: Bernie Thompson <bhthompson@chromium.org>
3 files changed