Merge tag 'drm-intel-next-2015-09-11' of git://anongit.freedesktop.org/drm-intel...

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / i915 / intel_dsi.c

diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 4a601cf90f16c68d694babd065bbae09cbe6e9f7..8f9c8144b294d5c2495066742c01758cc3de2421 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -654,6 +654,7 @@ intel_dsi_mode_valid(struct drm_connector *connector,
 {
        struct intel_connector *intel_connector = to_intel_connector(connector);
        struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode;
+       int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
 
        DRM_DEBUG_KMS("\n");
 
@@ -667,6 +668,8 @@ intel_dsi_mode_valid(struct drm_connector *connector,
                        return MODE_PANEL;
                if (mode->vdisplay > fixed_mode->vdisplay)
                        return MODE_PANEL;
+               if (fixed_mode->clock > max_dotclk)
+                       return MODE_CLOCK_HIGH;
        }
 
        return MODE_OK;
@@ -1048,11 +1051,7 @@ void intel_dsi_init(struct drm_device *dev)
        intel_connector->unregister = intel_connector_unregister;
 
        /* Pipe A maps to MIPI DSI port A, pipe B maps to MIPI DSI port C */
-       if (dev_priv->vbt.dsi.config->dual_link) {
-               /* XXX: does dual link work on either pipe? */
-               intel_encoder->crtc_mask = (1 << PIPE_A);
-               intel_dsi->ports = ((1 << PORT_A) | (1 << PORT_C));
-       } else if (dev_priv->vbt.dsi.port == DVO_PORT_MIPIA) {
+       if (dev_priv->vbt.dsi.port == DVO_PORT_MIPIA) {
                intel_encoder->crtc_mask = (1 << PIPE_A);
                intel_dsi->ports = (1 << PORT_A);
        } else if (dev_priv->vbt.dsi.port == DVO_PORT_MIPIC) {
@@ -1060,6 +1059,9 @@ void intel_dsi_init(struct drm_device *dev)
                intel_dsi->ports = (1 << PORT_C);
        }
 
+       if (dev_priv->vbt.dsi.config->dual_link)
+               intel_dsi->ports = ((1 << PORT_A) | (1 << PORT_C));
+
        /* Create a DSI host (and a device) for each port. */
        for_each_dsi_port(port, intel_dsi->ports) {
                struct intel_dsi_host *host;