[PATCH 0/2] drm/dp_mst: Fix link address probing regressions

From: Lyude Paul
Date: Fri Mar 06 2020 - 18:49:40 EST


While fixing some regressions caused by introducing bandwidth checking
into the DP MST atomic helpers, I realized there was another much more
subtle regression that got introduced by a seemingly harmless patch to
fix unused variable errors while compiling with W=1 (mentioned in patch
2). Basically, this regression makes it so sometimes link address
appears to "hang". This patch series fixes it.

Lyude Paul (2):
drm/dp_mst: Make drm_dp_mst_dpcd_write() consistent with
drm_dp_dpcd_write()
drm/dp_mst: Fix drm_dp_check_mstb_guid() return code

drivers/gpu/drm/drm_dp_mst_topology.c | 24 +++++++++++++++---------
1 file changed, 15 insertions(+), 9 deletions(-)

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2.24.1