1 files changed, 153 insertions, 78 deletions

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 4f0c30948bc4..b68746f0380e 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -55,6 +55,12 @@ struct intel_sdvo_priv {
         /* Pixel clock limitations reported by the SDVO device, in kHz */
         int pixel_clock_min, pixel_clock_max;
 
+        /*
+        * For multiple function SDVO device,
+        * this is for current attached outputs.
+        */
+        uint16_t attached_output;
+
         /**
          * This is set if we're going to treat the device as TV-out.
          *
@@ -114,6 +120,9 @@ struct intel_sdvo_priv {
         u32 save_SDVOX;
 };
 
+static bool
+intel_sdvo_output_setup(struct intel_output *intel_output, uint16_t flags);
+
 /**
  * Writes the SDVOB or SDVOC with the given value, but always writes both
  * SDVOB and SDVOC to work around apparent hardware issues (according to
@@ -1435,6 +1444,39 @@ void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
         intel_sdvo_read_response(intel_output, &response, 2);
 }
 
+static bool
+intel_sdvo_multifunc_encoder(struct intel_output *intel_output)
+{
+        struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+        int caps = 0;
+
+        if (sdvo_priv->caps.output_flags &
+                (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
+                caps++;
+        if (sdvo_priv->caps.output_flags &
+                (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1))
+                caps++;
+        if (sdvo_priv->caps.output_flags &
+                (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_SVID0))
+                caps++;
+        if (sdvo_priv->caps.output_flags &
+                (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_CVBS1))
+                caps++;
+        if (sdvo_priv->caps.output_flags &
+                (SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_YPRPB1))
+                caps++;
+
+        if (sdvo_priv->caps.output_flags &
+                (SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1))
+                caps++;
+
+        if (sdvo_priv->caps.output_flags &
+                (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1))
+                caps++;
+
+        return (caps > 1);
+}
+
 static void
 intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
 {
@@ -1453,23 +1495,31 @@ intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
 
 static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connector)
 {
-        u8 response[2];
+        uint16_t response;
         u8 status;
         struct intel_output *intel_output = to_intel_output(connector);
+        struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 
         intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0);
         status = intel_sdvo_read_response(intel_output, &response, 2);
 
-        DRM_DEBUG("SDVO response %d %d\n", response[0], response[1]);
+        DRM_DEBUG("SDVO response %d %d\n", response & 0xff, response >> 8);
 
         if (status != SDVO_CMD_STATUS_SUCCESS)
                 return connector_status_unknown;
 
-        if ((response[0] != 0) || (response[1] != 0)) {
-                intel_sdvo_hdmi_sink_detect(connector);
-                return connector_status_connected;
-        } else
+        if (response == 0)
                 return connector_status_disconnected;
+
+        if (intel_sdvo_multifunc_encoder(intel_output) &&
+                sdvo_priv->attached_output != response) {
+                if (sdvo_priv->controlled_output != response &&
+                        intel_sdvo_output_setup(intel_output, response) != true)
+                        return connector_status_unknown;
+                sdvo_priv->attached_output = response;
+        }
+        intel_sdvo_hdmi_sink_detect(connector);
+        return connector_status_connected;
 }
 
 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
@@ -1866,16 +1916,101 @@ intel_sdvo_get_slave_addr(struct drm_device *dev, int output_device)
                 return 0x72;
 }
 
+static bool
+intel_sdvo_output_setup(struct intel_output *intel_output, uint16_t flags)
+{
+        struct drm_connector *connector = &intel_output->base;
+        struct drm_encoder *encoder = &intel_output->enc;
+        struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+        bool ret = true, registered = false;
+
+        sdvo_priv->is_tv = false;
+        intel_output->needs_tv_clock = false;
+        sdvo_priv->is_lvds = false;
+
+        if (device_is_registered(&connector->kdev)) {
+                drm_sysfs_connector_remove(connector);
+                registered = true;
+        }
+
+        if (flags &
+            (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
+                if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0)
+                        sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS0;
+                else
+                        sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1;
+
+                encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
+                connector->connector_type = DRM_MODE_CONNECTOR_DVID;
+
+                if (intel_sdvo_get_supp_encode(intel_output,
+                                               &sdvo_priv->encode) &&
+                    intel_sdvo_get_digital_encoding_mode(intel_output) &&
+                    sdvo_priv->is_hdmi) {
+                        /* enable hdmi encoding mode if supported */
+                        intel_sdvo_set_encode(intel_output, SDVO_ENCODE_HDMI);
+                        intel_sdvo_set_colorimetry(intel_output,
+                                                   SDVO_COLORIMETRY_RGB256);
+                        connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
+                }
+        } else if (flags & SDVO_OUTPUT_SVID0) {
+
+                sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
+                encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
+                connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
+                sdvo_priv->is_tv = true;
+                intel_output->needs_tv_clock = true;
+        } else if (flags & SDVO_OUTPUT_RGB0) {
+
+                sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0;
+                encoder->encoder_type = DRM_MODE_ENCODER_DAC;
+                connector->connector_type = DRM_MODE_CONNECTOR_VGA;
+        } else if (flags & SDVO_OUTPUT_RGB1) {
+
+                sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1;
+                encoder->encoder_type = DRM_MODE_ENCODER_DAC;
+                connector->connector_type = DRM_MODE_CONNECTOR_VGA;
+        } else if (flags & SDVO_OUTPUT_LVDS0) {
+
+                sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0;
+                encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
+                connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
+                sdvo_priv->is_lvds = true;
+        } else if (flags & SDVO_OUTPUT_LVDS1) {
+
+                sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1;
+                encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
+                connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
+                sdvo_priv->is_lvds = true;
+        } else {
+
+                unsigned char bytes[2];
+
+                sdvo_priv->controlled_output = 0;
+                memcpy(bytes, &sdvo_priv->caps.output_flags, 2);
+                DRM_DEBUG_KMS(I915_SDVO,
+                                "%s: Unknown SDVO output type (0x%02x%02x)\n",
+                                  SDVO_NAME(sdvo_priv),
+                                  bytes[0], bytes[1]);
+                ret = false;
+        }
+
+        if (ret && registered)
+                ret = drm_sysfs_connector_add(connector) == 0 ? true : false;
+
+
+        return ret;
+
+}
+
 bool intel_sdvo_init(struct drm_device *dev, int output_device)
 {
         struct drm_connector *connector;
         struct intel_output *intel_output;
         struct intel_sdvo_priv *sdvo_priv;
 
-        int connector_type;
         u8 ch[0x40];
         int i;
-        int encoder_type;
 
         intel_output = kcalloc(sizeof(struct intel_output)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL);
         if (!intel_output) {
@@ -1925,88 +2060,28 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
         intel_output->ddc_bus->algo = &intel_sdvo_i2c_bit_algo;
 
         /* In defaut case sdvo lvds is false */
-        sdvo_priv->is_lvds = false;
         intel_sdvo_get_capabilities(intel_output, &sdvo_priv->caps);
 
-        if (sdvo_priv->caps.output_flags &
-            (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
-                if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0)
-                        sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS0;
-                else
-                        sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1;
-
-                encoder_type = DRM_MODE_ENCODER_TMDS;
-                connector_type = DRM_MODE_CONNECTOR_DVID;
-
-                if (intel_sdvo_get_supp_encode(intel_output,
-                                               &sdvo_priv->encode) &&
-                    intel_sdvo_get_digital_encoding_mode(intel_output) &&
-                    sdvo_priv->is_hdmi) {
-                        /* enable hdmi encoding mode if supported */
-                        intel_sdvo_set_encode(intel_output, SDVO_ENCODE_HDMI);
-                        intel_sdvo_set_colorimetry(intel_output,
-                                                   SDVO_COLORIMETRY_RGB256);
-                        connector_type = DRM_MODE_CONNECTOR_HDMIA;
-                }
-        }
-        else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_SVID0)
-        {
-                sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
-                encoder_type = DRM_MODE_ENCODER_TVDAC;
-                connector_type = DRM_MODE_CONNECTOR_SVIDEO;
-                sdvo_priv->is_tv = true;
-                intel_output->needs_tv_clock = true;
-        }
-        else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0)
-        {
-                sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0;
-                encoder_type = DRM_MODE_ENCODER_DAC;
-                connector_type = DRM_MODE_CONNECTOR_VGA;
-        }
-        else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1)
-        {
-                sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1;
-                encoder_type = DRM_MODE_ENCODER_DAC;
-                connector_type = DRM_MODE_CONNECTOR_VGA;
-        }
-        else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS0)
-        {
-                sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0;
-                encoder_type = DRM_MODE_ENCODER_LVDS;
-                connector_type = DRM_MODE_CONNECTOR_LVDS;
-                sdvo_priv->is_lvds = true;
-        }
-        else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_LVDS1)
-        {
-                sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1;
-                encoder_type = DRM_MODE_ENCODER_LVDS;
-                connector_type = DRM_MODE_CONNECTOR_LVDS;
-                sdvo_priv->is_lvds = true;
-        }
-        else
-        {
-                unsigned char bytes[2];
-
-                sdvo_priv->controlled_output = 0;
-                memcpy (bytes, &sdvo_priv->caps.output_flags, 2);
-                DRM_DEBUG_KMS(I915_SDVO,
-                                "%s: Unknown SDVO output type (0x%02x%02x)\n",
-                                  SDVO_NAME(sdvo_priv),
-                                  bytes[0], bytes[1]);
-                encoder_type = DRM_MODE_ENCODER_NONE;
-                connector_type = DRM_MODE_CONNECTOR_Unknown;
+        if (intel_sdvo_output_setup(intel_output,
+                                    sdvo_priv->caps.output_flags) != true) {
+                DRM_DEBUG("SDVO output failed to setup on SDVO%c\n",
+                          output_device == SDVOB ? 'B' : 'C');
                 goto err_i2c;
         }
 
+
         connector = &intel_output->base;
         drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
-                           connector_type);
+                           connector->connector_type);
+
         drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
         connector->interlace_allowed = 0;
         connector->doublescan_allowed = 0;
         connector->display_info.subpixel_order = SubPixelHorizontalRGB;
 
-        drm_encoder_init(dev, &intel_output->enc, &intel_sdvo_enc_funcs, encoder_type);
+        drm_encoder_init(dev, &intel_output->enc,
+                        &intel_sdvo_enc_funcs, intel_output->enc.encoder_type);
+
         drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);
 
         drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);