From: Thierry Reding treding@nvidia.com
This set of patches extends the existing DRM DP link helpers by caching additional capabilities. It also reworks the helpers to make use of the existing parsing helpers to reduce code duplication.
Thierry
Thierry Reding (12): drm/dp: Add drm_dp_link_reset() implementation drm/dp: link: Track capabilities alongside settings drm/dp: Turn link capabilities into booleans drm/dp: Probe link using existing parsing helpers drm/dp: Read fast training capability from link drm/dp: Read TPS3 capability from sink drm/dp: Set channel coding on link configuration drm/dp: Read eDP version from DPCD drm/dp: Add helper to get post-cursor adjustments drm/dp: Enable alternate scrambler when supported drm/dp: Read AUX read interval from DPCD drm/dp: Add drm_dp_link_choose() helper
drivers/gpu/drm/drm_dp_helper.c | 177 ++++++++++++++++++++++++++++++++++--- drivers/gpu/drm/msm/edp/edp_ctrl.c | 12 +-- drivers/gpu/drm/tegra/dpaux.c | 8 +- drivers/gpu/drm/tegra/sor.c | 33 ++++--- include/drm/drm_dp_helper.h | 77 +++++++++++++++- 5 files changed, 266 insertions(+), 41 deletions(-)