It's safe to assume cxsr is already disabled when the crtc is off.
This prevents an unclaimed register warning when the required power
wells are not enabled.
[ 262.864984] [ cut here ]
[ 262.865025] WARNING: CPU: 1 PID: 6799 at
drivers/gpu/drm/i915/intel_uncore.c:638
On Wed, Feb 03, 2016 at 04:53:25PM +0100, Maarten Lankhorst wrote:
> It's safe to assume cxsr is already disabled when the crtc is off.
Hmm. Yeah, looks like that's how we set it up currently. I thought we
might leave it on with 0 active pipes, but I guess not.
Reviewed-by: Ville Syrjälä
