drm/i915: Fix fast wake AUX sync len
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 29 Mar 2023 17:24:33 +0000 (20:24 +0300)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Mon, 3 Apr 2023 22:04:07 +0000 (01:04 +0300)
commit605f7c73133341d4b762cbd9a22174cc22d4c38b
tree45c4eabd39533b3b20a2eeda222f45b5b9dd859e
parent4ed22f1e52426635873416007d2c12e09615165f
drm/i915: Fix fast wake AUX sync len

Fast wake should use 8 SYNC pulses for the preamble
and 10-16 SYNC pulses for the precharge. Reduce our
fast wake SYNC count to match the maximum value.
We also use the maximum precharge length for normal
AUX transactions.

Cc: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230329172434.18744-1-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
drivers/gpu/drm/i915/display/intel_dp_aux.c