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@@ -210,29 +210,39 @@ static const struct bxt_ddi_buf_trans bxt_ddi_translations_hdmi[] = {
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{ 154, 0x9A, 1, 128, true }, /* 9: 1200 0 */
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};
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-enum port intel_ddi_get_encoder_port(struct intel_encoder *intel_encoder)
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+static void ddi_get_encoder_port(struct intel_encoder *intel_encoder,
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+ struct intel_digital_port **dig_port,
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+ enum port *port)
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{
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struct drm_encoder *encoder = &intel_encoder->base;
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int type = intel_encoder->type;
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if (type == INTEL_OUTPUT_DP_MST) {
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- struct intel_digital_port *intel_dig_port = enc_to_mst(encoder)->primary;
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- return intel_dig_port->port;
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+ *dig_port = enc_to_mst(encoder)->primary;
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+ *port = (*dig_port)->port;
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} else if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP ||
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type == INTEL_OUTPUT_HDMI || type == INTEL_OUTPUT_UNKNOWN) {
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- struct intel_digital_port *intel_dig_port =
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- enc_to_dig_port(encoder);
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- return intel_dig_port->port;
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-
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+ *dig_port = enc_to_dig_port(encoder);
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+ *port = (*dig_port)->port;
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} else if (type == INTEL_OUTPUT_ANALOG) {
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- return PORT_E;
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-
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+ *dig_port = NULL;
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+ *port = PORT_E;
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} else {
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DRM_ERROR("Invalid DDI encoder type %d\n", type);
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BUG();
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}
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}
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+enum port intel_ddi_get_encoder_port(struct intel_encoder *intel_encoder)
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+{
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+ struct intel_digital_port *dig_port;
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+ enum port port;
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+
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+ ddi_get_encoder_port(intel_encoder, &dig_port, &port);
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+
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+ return port;
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+}
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+
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static bool
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intel_dig_port_supports_hdmi(const struct intel_digital_port *intel_dig_port)
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{
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@@ -246,12 +256,11 @@ intel_dig_port_supports_hdmi(const struct intel_digital_port *intel_dig_port)
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* in either FDI or DP modes only, as HDMI connections will work with both
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* of those
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*/
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-static void intel_prepare_ddi_buffers(struct drm_device *dev,
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- struct intel_digital_port *intel_dig_port)
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+static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port,
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+ bool supports_hdmi)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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u32 reg;
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- int port = intel_dig_port->port;
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int i, n_hdmi_entries, n_dp_entries, n_edp_entries, hdmi_default_entry,
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size;
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int hdmi_level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift;
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@@ -262,7 +271,7 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev,
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const struct ddi_buf_trans *ddi_translations;
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if (IS_BROXTON(dev)) {
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- if (!intel_dig_port_supports_hdmi(intel_dig_port))
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+ if (!supports_hdmi)
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return;
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/* Vswing programming for HDMI */
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@@ -350,7 +359,7 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev,
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reg += 4;
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}
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- if (!intel_dig_port_supports_hdmi(intel_dig_port))
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+ if (!supports_hdmi)
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return;
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/* Choose a good default if VBT is badly populated */
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@@ -370,18 +379,27 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev,
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*/
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void intel_prepare_ddi(struct drm_device *dev)
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{
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- struct intel_digital_port *intel_dig_port;
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+ struct intel_encoder *intel_encoder;
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bool visited[I915_MAX_PORTS] = { 0, };
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if (!HAS_DDI(dev))
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return;
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- for_each_digital_port(dev, intel_dig_port) {
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- if (visited[intel_dig_port->port])
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+ for_each_intel_encoder(dev, intel_encoder) {
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+ struct intel_digital_port *intel_dig_port;
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+ enum port port;
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+ bool supports_hdmi;
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+
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+ ddi_get_encoder_port(intel_encoder, &intel_dig_port, &port);
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+
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+ if (visited[port])
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continue;
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- intel_prepare_ddi_buffers(dev, intel_dig_port);
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- visited[intel_dig_port->port] = true;
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+ supports_hdmi = intel_dig_port &&
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+ intel_dig_port_supports_hdmi(intel_dig_port);
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+
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+ intel_prepare_ddi_buffers(dev, port, supports_hdmi);
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+ visited[port] = true;
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}
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}
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