drm/i915/skl: Don't warn if reading back DPLL0 is disabled
authorDamien Lespiau <damien.lespiau@intel.com>
Thu, 4 Jun 2015 17:21:31 +0000 (18:21 +0100)
committerJani Nikula <jani.nikula@intel.com>
Fri, 12 Jun 2015 10:14:36 +0000 (13:14 +0300)
commit414355a7c3f029b762518d73a6ea7e4d07d48e34
tree467a071fffe91d21ba36588a71306e2663f82c92
parenta9419e846bd8c8e00c1d28282de936523229eff7
drm/i915/skl: Don't warn if reading back DPLL0 is disabled

We can operate with DPLL0 off with CDCLK backed by the 24Mhz reference
clock, and that's a supported configuration. Don't warn when notice
DPLL0 is off then.

We still have a separate warn at boot if cdclk is disabled (because we
don't currently try to handle the case (that shouldn't happen on SKL as
far as I know) where we boot with display not initialized.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
drivers/gpu/drm/i915/intel_display.c