drm/i915: Query the vswing levels per-lane for icl mg phy
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 6 Oct 2021 20:49:30 +0000 (23:49 +0300)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 3 Nov 2021 17:43:52 +0000 (19:43 +0200)
commit305448e55745dd4634272794c8c01edc872bcf63
treea7c1da1b432ed40da3d65764ced16f726d7ceec8
parent31e914a2307a29dfde8027cffa70292341bd379d
drm/i915: Query the vswing levels per-lane for icl mg phy

Prepare for per-lane drive settings by querying the desired vswing
level per-lane.

Note that the code only does two loops, with each one writing the
levels for two TX lanes.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211006204937.30774-10-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
drivers/gpu/drm/i915/display/intel_ddi.c