drm/i915: Always check dp_m2_n2 on pre-bdw
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Fri, 28 Jan 2022 10:37:56 +0000 (12:37 +0200)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 1 Feb 2022 09:33:23 +0000 (11:33 +0200)
commit2efb4adf489dd29526c412c4593d12e08076c68a
tree240274af18f825ee9e85cdfb78028082d46fdd13
parent00dd7f953b9b1d85e97da8065cc2887a5477008f
drm/i915: Always check dp_m2_n2 on pre-bdw

No point in special casing the check of dp_m2_n2 on pre-bdw platforms.
Either the transcoder has M2/N2 in which case the values should be
set to something sensible, or it doesn't in which case dp_m2_n2 is
always zeroed.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220128103757.22461-17-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
drivers/gpu/drm/i915/display/intel_display.c