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

Alex Deucher alexdeucher at gmail.com
Mon Mar 9 21:04:07 UTC 2020


On Fri, Mar 6, 2020 at 6:49 PM Lyude Paul <lyude at redhat.com> wrote:
>
> 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.

Series is:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

>
> 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(-)
>
> --
> 2.24.1
>
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