[PATCH 0/2] Set CLEAR_PAYLOAD_ID_TABLE as broadcast request
Lyude Paul
lyude at redhat.com
Wed Feb 24 18:06:09 UTC 2021
ooh, nice catches! For the whole series this is:
Reviewed-by: Lyude Paul <lyude at redhat.com>
I will go ahead and push these to drm-misc-next
On Mon, 2021-02-22 at 12:00 +0800, Wayne Lin wrote:
> While testing MST hotplug events on daisy chain monitors, find out
> that CLEAR_PAYLOAD_ID_TABLE is not broadcasted and payload id table
> is not reset. Dig in deeper and find out two parts needed to be fixed.
>
> 1. Link_Count_Total & Link_Count_Remaining of Broadcast message are
> incorrect. Should set lct=1 & lcr=6
> 2. CLEAR_PAYLOAD_ID_TABLE request message is not set as path broadcast
> request message. Should fix this.
>
> Wayne Lin (2):
> drm/dp_mst: Revise broadcast msg lct & lcr
> drm/dp_mst: Set CLEAR_PAYLOAD_ID_TABLE as broadcast
>
> drivers/gpu/drm/drm_dp_mst_topology.c | 14 +++++++++++---
> 1 file changed, 11 insertions(+), 3 deletions(-)
>
> --
> 2.17.1
>
--
Sincerely,
Lyude Paul (she/her)
Software Engineer at Red Hat
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