drm/i915: ignore LVDS on intel graphics systems that lie about having it

[pandora-kernel.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 6619f26..439a865 100644 (file)
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -384,7 +384,51 @@ static const struct drm_encoder_funcs intel_lvds_enc_funcs = {
        .destroy = intel_lvds_enc_destroy,
 };
 
+static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
+{
+       DRM_DEBUG("Skipping LVDS initialization for %s\n", id->ident);
+       return 1;
+}
 
+/* These systems claim to have LVDS, but really don't */
+static const struct dmi_system_id __initdata intel_no_lvds[] = {
+       {
+               .callback = intel_no_lvds_dmi_callback,
+               .ident = "Apple Mac Mini (Core series)",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Macmini1,1"),
+               },
+       },
+       {
+               .callback = intel_no_lvds_dmi_callback,
+               .ident = "Apple Mac Mini (Core 2 series)",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Macmini2,1"),
+               },
+       },
+       {
+               .callback = intel_no_lvds_dmi_callback,
+               .ident = "MSI IM-945GSE-A",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "MSI"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "A9830IMS"),
+               },
+       },
+       {
+               .callback = intel_no_lvds_dmi_callback,
+               .ident = "Dell Studio Hybrid",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Studio Hybrid 140g"),
+               },
+       },
+
+       /* FIXME: add a check for the Aopen Mini PC */
+
+       { }     /* terminating entry */
+};
 
 /**
  * intel_lvds_init - setup LVDS connectors on this device
@@ -404,15 +448,9 @@ void intel_lvds_init(struct drm_device *dev)
        u32 lvds;
        int pipe;
 
-       /* Blacklist machines that we know falsely report LVDS. */
-       /* FIXME: add a check for the Aopen Mini PC */
-
-       /* Apple Mac Mini Core Duo and Mac Mini Core 2 Duo */
-       if(dmi_match(DMI_PRODUCT_NAME, "Macmini1,1") ||
-          dmi_match(DMI_PRODUCT_NAME, "Macmini2,1")) {
-               DRM_DEBUG("Skipping LVDS initialization for Apple Mac Mini\n");
+       /* Skip init on machines we know falsely report LVDS */
+       if (dmi_check_system(intel_no_lvds))
                return;
-       }
 
        intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL);
        if (!intel_output) {