Merge branches 'slab/fixes', 'slob/fixes', 'slub/cleanups' and 'slub/fixes' into...

[sfrench/cifs-2.6.git] / drivers / gpu / drm / i915 / intel_lvds.c

diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 6a1accd83aecd9171f719deca33a04e078534585..0eab8df5bf7e1c679b52752311e665e51d3ab21d 100644 (file)
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -599,6 +599,26 @@ static int intel_lvds_get_modes(struct drm_connector *connector)
        return 0;
 }
 
+static int intel_no_modeset_on_lid_dmi_callback(const struct dmi_system_id *id)
+{
+       DRM_DEBUG_KMS("Skipping forced modeset for %s\n", id->ident);
+       return 1;
+}
+
+/* The GPU hangs up on these systems if modeset is performed on LID open */
+static const struct dmi_system_id intel_no_modeset_on_lid[] = {
+       {
+               .callback = intel_no_modeset_on_lid_dmi_callback,
+               .ident = "Toshiba Tecra A11",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "TECRA A11"),
+               },
+       },
+
+       { }     /* terminating entry */
+};
+
 /*
  * Lid events. Note the use of 'modeset_on_lid':
  *  - we set it on lid close, and reset it on open
@@ -622,6 +642,9 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
         */
        if (connector)
                connector->status = connector->funcs->detect(connector);
+       /* Don't force modeset on machines where it causes a GPU lockup */
+       if (dmi_check_system(intel_no_modeset_on_lid))
+               return NOTIFY_OK;
        if (!acpi_lid_open()) {
                dev_priv->modeset_on_lid = 1;
                return NOTIFY_OK;
@@ -983,8 +1006,8 @@ void intel_lvds_init(struct drm_device *dev)
 
        drm_connector_attach_property(&intel_connector->base,
                                      dev->mode_config.scaling_mode_property,
-                                     DRM_MODE_SCALE_FULLSCREEN);
-       lvds_priv->fitting_mode = DRM_MODE_SCALE_FULLSCREEN;
+                                     DRM_MODE_SCALE_ASPECT);
+       lvds_priv->fitting_mode = DRM_MODE_SCALE_ASPECT;
        /*
         * LVDS discovery:
         * 1) check for EDID on DDC