]> git.baikalelectronics.ru Git - kernel.git/commit
drm/dp: add 128b/132b link status helpers from DP 2.0 E11
authorJani Nikula <jani.nikula@intel.com>
Thu, 3 Feb 2022 09:03:51 +0000 (11:03 +0200)
committerJani Nikula <jani.nikula@intel.com>
Fri, 11 Feb 2022 09:35:37 +0000 (11:35 +0200)
commit4d0b4660572f336022200fdeb8ffa7094194a818
tree9c344b7a1af0ba3d74269dcb31ad8d9894f9a999
parent0c97b270c3787e7522ce3578e5e6eb4b0778fd1c
drm/dp: add 128b/132b link status helpers from DP 2.0 E11

The DP 2.0 errata redefines link training. There are some new status
bits, and some of the old ones need to be checked independently. Add
helpers to do this.

Cc: Uma Shankar <uma.shankar@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/5a46260d1f171fed46d0ab8fe4b6499abd65ce24.1643878928.git.jani.nikula@intel.com
drivers/gpu/drm/drm_dp_helper.c
include/drm/drm_dp_helper.h