drm/i915: Use the correct PCH transcoder for LPT/WPT in intel_sanitize_frame_start_de...
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Thu, 28 Nov 2019 18:23:58 +0000 (20:23 +0200)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Mon, 2 Dec 2019 14:11:25 +0000 (16:11 +0200)
commit7df49149b29c978162fa68fe4db8160f294e12a0
tree797f433a14c3e8cd4252cc5ba596c46f96c11585
parent1bbdd241ffeb86b29e3dc80539cd1b88037b5fdb
drm/i915: Use the correct PCH transcoder for LPT/WPT in intel_sanitize_frame_start_delay()

LPT/WPT only have PCH transcoder A. Make sure we poke at its
chicken register instead of some non-existent register when
FDI is being driven by pipe B or C.

Cc: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191128182358.14477-1-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
drivers/gpu/drm/i915/display/intel_display.c