diff options
| author |   Wenjing Liu <Wenjing.Liu@amd.com> | 2019-10-17 11:13:29 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2020-02-12 16:01:38 -0500 |
| commit | 3744ee2c2901656455bbd2af658ab9b673ca5d1d (patch) | |
| tree | 49085df4115fd3b524da7e670ea8e67f1c1c5ae7 /drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c | |
| parent | drm/amd/display: Handle revoked receivers (diff) | |
| download | wireguard-linux-3744ee2c2901656455bbd2af658ab9b673ca5d1d.tar.xz wireguard-linux-3744ee2c2901656455bbd2af658ab9b673ca5d1d.zip | |
drm/amd/display: no hdcp retry if bksv or ksv list is revoked
[why]
According to the specs when bksv or ksv list fails SRM check,
HDCP TX should abort hdcp immediately.
However with the current code HDCP will be reattampt upto 4 times.
[how]
Add the logic that stop HDCP retry if bksv or ksv list
is revoked.
Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c index 8aa528e874c4..a7d24734c7cd 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c @@ -61,7 +61,8 @@ static uint8_t is_cp_desired_hdcp1(struct mod_hdcp *hdcp) return (hdcp->connection.hdcp1_retry_count < MAX_NUM_OF_ATTEMPTS) && is_auth_needed && - !hdcp->connection.link.adjust.hdcp1.disable; + !hdcp->connection.link.adjust.hdcp1.disable && + !hdcp->connection.is_hdcp1_revoked; } static uint8_t is_cp_desired_hdcp2(struct mod_hdcp *hdcp) |