diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c index 549c113abcf7..a0895a7efda2 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c @@ -207,8 +207,11 @@ static inline uint8_t get_device_count(struct mod_hdcp *hdcp) static enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp) { - /* device count must be greater than or equal to tracked hdcp displays */ - return (get_device_count(hdcp) < get_active_display_count(hdcp)) ? + /* Some MST display may choose to report the internal panel as an HDCP RX. */ + /* To update this condition with 1(because the immediate repeater's internal */ + /* panel is possibly not included in DEVICE_COUNT) + get_device_count(hdcp). */ + /* Device count must be greater than or equal to tracked hdcp displays. */ + return ((1 + get_device_count(hdcp)) < get_active_display_count(hdcp)) ? MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE : MOD_HDCP_STATUS_SUCCESS; } |