diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_hdcp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_hdcp.c | 47 |
1 files changed, 16 insertions, 31 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c index 3a595cd433d495..8538d1ce2fcb85 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c @@ -330,23 +330,13 @@ static const struct hdcp2_dp_msg_data hdcp2_dp_msg_data[] = { 0, 0 }, }; -static struct drm_dp_aux * -intel_dp_hdcp_get_aux(struct intel_connector *connector) -{ - struct intel_digital_port *dig_port = intel_attached_dig_port(connector); - - if (intel_encoder_is_mst(connector->encoder)) - return &connector->port->aux; - else - return &dig_port->dp.aux; -} - static int intel_dp_hdcp2_read_rx_status(struct intel_connector *connector, u8 *rx_status) { struct drm_i915_private *i915 = to_i915(connector->base.dev); - struct drm_dp_aux *aux = intel_dp_hdcp_get_aux(connector); + struct intel_digital_port *dig_port = intel_attached_dig_port(connector); + struct drm_dp_aux *aux = &dig_port->dp.aux; ssize_t ret; ret = drm_dp_dpcd_read(aux, @@ -399,7 +389,9 @@ intel_dp_hdcp2_wait_for_msg(struct intel_connector *connector, const struct hdcp2_dp_msg_data *hdcp2_msg_data) { struct drm_i915_private *i915 = to_i915(connector->base.dev); - struct intel_hdcp *hdcp = &connector->hdcp; + struct intel_digital_port *dig_port = intel_attached_dig_port(connector); + struct intel_dp *dp = &dig_port->dp; + struct intel_hdcp *hdcp = &dp->attached_connector->hdcp; u8 msg_id = hdcp2_msg_data->msg_id; int ret, timeout; bool msg_ready = false; @@ -454,8 +446,9 @@ int intel_dp_hdcp2_write_msg(struct intel_connector *connector, unsigned int offset; u8 *byte = buf; ssize_t ret, bytes_to_write, len; + struct intel_digital_port *dig_port = intel_attached_dig_port(connector); + struct drm_dp_aux *aux = &dig_port->dp.aux; const struct hdcp2_dp_msg_data *hdcp2_msg_data; - struct drm_dp_aux *aux; hdcp2_msg_data = get_hdcp2_dp_msg_data(*byte); if (!hdcp2_msg_data) @@ -463,8 +456,6 @@ int intel_dp_hdcp2_write_msg(struct intel_connector *connector, offset = hdcp2_msg_data->offset; - aux = intel_dp_hdcp_get_aux(connector); - /* No msg_id in DP HDCP2.2 msgs */ bytes_to_write = size - 1; byte++; @@ -490,7 +481,8 @@ static ssize_t get_receiver_id_list_rx_info(struct intel_connector *connector, u32 *dev_cnt, u8 *byte) { - struct drm_dp_aux *aux = intel_dp_hdcp_get_aux(connector); + struct intel_digital_port *dig_port = intel_attached_dig_port(connector); + struct drm_dp_aux *aux = &dig_port->dp.aux; ssize_t ret; u8 *rx_info = byte; @@ -515,8 +507,9 @@ int intel_dp_hdcp2_read_msg(struct intel_connector *connector, { struct intel_digital_port *dig_port = intel_attached_dig_port(connector); struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); - struct intel_hdcp *hdcp = &connector->hdcp; - struct drm_dp_aux *aux; + struct drm_dp_aux *aux = &dig_port->dp.aux; + struct intel_dp *dp = &dig_port->dp; + struct intel_hdcp *hdcp = &dp->attached_connector->hdcp; unsigned int offset; u8 *byte = buf; ssize_t ret, bytes_to_recv, len; @@ -530,8 +523,6 @@ int intel_dp_hdcp2_read_msg(struct intel_connector *connector, return -EINVAL; offset = hdcp2_msg_data->offset; - aux = intel_dp_hdcp_get_aux(connector); - ret = intel_dp_hdcp2_wait_for_msg(connector, hdcp2_msg_data); if (ret < 0) return ret; @@ -561,13 +552,8 @@ int intel_dp_hdcp2_read_msg(struct intel_connector *connector, /* Entire msg read timeout since initiate of msg read */ if (bytes_to_recv == size - 1 && hdcp2_msg_data->msg_read_timeout > 0) { - if (intel_encoder_is_mst(connector->encoder)) - msg_end = ktime_add_ms(ktime_get_raw(), - hdcp2_msg_data->msg_read_timeout * - connector->port->parent->num_ports); - else - msg_end = ktime_add_ms(ktime_get_raw(), - hdcp2_msg_data->msg_read_timeout); + msg_end = ktime_add_ms(ktime_get_raw(), + hdcp2_msg_data->msg_read_timeout); } ret = drm_dp_dpcd_read(aux, offset, @@ -651,12 +637,11 @@ static int intel_dp_hdcp2_capable(struct intel_connector *connector, bool *capable) { - struct drm_dp_aux *aux; + struct intel_digital_port *dig_port = intel_attached_dig_port(connector); + struct drm_dp_aux *aux = &dig_port->dp.aux; u8 rx_caps[3]; int ret; - aux = intel_dp_hdcp_get_aux(connector); - *capable = false; ret = drm_dp_dpcd_read(aux, DP_HDCP_2_2_REG_RX_CAPS_OFFSET, |