msm: mdss: hdcp_1x: do not fail if no cp_irq for R0

HDCP 1.x protocol fetches data called R0' from sink as
part of authentication protocol. When this data is available,
sink issues CP_IRQ following which source can fetch this
data from sink. In case CP_IRQ is not received on time, do not
fail the authentication as R0' may still be available and
valid. Fetch R0' and check if it is valid before failing
the authentication to avoid false hdcp authentication failures.

Also, enable hpd irq in case downstream is a repeater so that
it can report any link failure.

Change-Id: I28fa1a06f5acf0b6fbe988db5d95a4c1a781a9f9
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>

0 files changed, 0 insertions, 0 deletions