Here's a few patches that simplify the aux handling code and bubble up timeouts and nacks to the upper DRM layers. The goal is to get DRM to know that the other side isn't there or that there's been a timeout, instead of saying that everything is fine and putting some error message into the logs. Cc: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> Cc: Abhinav Kumar <abhinavk@xxxxxxxxxxxxxx> Cc: Kuogee Hsieh <khsieh@xxxxxxxxxxxxxx> Cc: aravindh@xxxxxxxxxxxxxx Cc: Sean Paul <sean@xxxxxxxxxx> Stephen Boyd (3): drm/msm/dp: Simplify aux irq handling code drm/msm/dp: Shrink locking area of dp_aux_transfer() drm/msm/dp: Handle aux timeouts, nacks, defers drivers/gpu/drm/msm/dp/dp_aux.c | 181 ++++++++++++---------------- drivers/gpu/drm/msm/dp/dp_aux.h | 8 -- drivers/gpu/drm/msm/dp/dp_catalog.c | 2 +- drivers/gpu/drm/msm/dp/dp_catalog.h | 2 +- 4 files changed, 80 insertions(+), 113 deletions(-) base-commit: 51595e3b4943b0079638b2657f603cf5c8ea3a66 -- https://chromeos.dev
