]> www.infradead.org Git - users/jedix/linux-maple.git/commit
drm/i915/hdcp: Fix Repeater authentication during topology change
authorSuraj Kandpal <suraj.kandpal@intel.com>
Tue, 17 Dec 2024 08:37:23 +0000 (14:07 +0530)
committerRodrigo Vivi <rodrigo.vivi@intel.com>
Mon, 3 Feb 2025 14:26:28 +0000 (09:26 -0500)
commit448060463198924c0a485e7e1622fa8a9c03cf3e
tree5879dfbc4460869dd03aefcb54e23b6f8979976d
parent2014c95afecee3e76ca4a56956a936e23283f05b
drm/i915/hdcp: Fix Repeater authentication during topology change

When topology changes, before beginning a new HDCP authentication by
sending AKE_init message we need to first authenticate only the
repeater. Only after repeater authentication failure, it makes sense
to start a new HDCP authentication. Even though it made sense to not
enable HDCP directly from check_link and schedule it for later, repeater
authentication needs to be done immediately.

--v2
-Fix comment grammatical errors [Ankit]

Fixes: 47ef55a8b784 ("drm/i915/hdcp: Don't enable HDCP2.2 directly from check_link")
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241217083723.2883317-1-suraj.kandpal@intel.com
(cherry picked from commit 605a33e765890e4f1345315afc25268d4ae0fb7c)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
drivers/gpu/drm/i915/display/intel_hdcp.c