drm/i915: force mode set at lid open time

[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 9ab38ef..e190ff7 100644 (file)
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -27,6 +27,7 @@
  *      Jesse Barnes <jesse.barnes@intel.com>
  */
 
+#include <acpi/button.h>
 #include <linux/dmi.h>
 #include <linux/i2c.h>
 #include "drmP.h"
@@ -38,16 +39,6 @@
 #include "i915_drv.h"
 #include <linux/acpi.h>
 
-#define I915_LVDS "i915_lvds"
-
-/*
- * the following four scaling options are defined.
- * #define DRM_MODE_SCALE_NON_GPU      0
- * #define DRM_MODE_SCALE_FULLSCREEN   1
- * #define DRM_MODE_SCALE_NO_SCALE     2
- * #define DRM_MODE_SCALE_ASPECT       3
- */
-
 /* Private structure for the integrated LVDS support */
 struct intel_lvds_priv {
        int fitting_mode;
@@ -336,7 +327,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
        I915_WRITE(BCLRPAT_B, 0);
 
        switch (lvds_priv->fitting_mode) {
-       case DRM_MODE_SCALE_NO_SCALE:
+       case DRM_MODE_SCALE_CENTER:
                /*
                 * For centered modes, we have to calculate border widths &
                 * heights and modify the values programmed into the CRTC.
@@ -642,6 +633,19 @@ static int intel_lvds_get_modes(struct drm_connector *connector)
        return 0;
 }
 
+static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
+                           void *unused)
+{
+       struct drm_i915_private *dev_priv =
+               container_of(nb, struct drm_i915_private, lid_notifier);
+       struct drm_device *dev = dev_priv->dev;
+
+       if (acpi_lid_open())
+               drm_helper_resume_force_mode(dev);
+
+       return NOTIFY_OK;
+}
+
 /**
  * intel_lvds_destroy - unregister and free LVDS structures
  * @connector: connector to free
@@ -651,10 +655,14 @@ static int intel_lvds_get_modes(struct drm_connector *connector)
  */
 static void intel_lvds_destroy(struct drm_connector *connector)
 {
+       struct drm_device *dev = connector->dev;
        struct intel_output *intel_output = to_intel_output(connector);
+       struct drm_i915_private *dev_priv = dev->dev_private;
 
        if (intel_output->ddc_bus)
                intel_i2c_destroy(intel_output->ddc_bus);
+       if (dev_priv->lid_notifier.notifier_call)
+               acpi_lid_notifier_unregister(&dev_priv->lid_notifier);
        drm_sysfs_connector_remove(connector);
        drm_connector_cleanup(connector);
        kfree(connector);
@@ -672,9 +680,8 @@ static int intel_lvds_set_property(struct drm_connector *connector,
                                connector->encoder) {
                struct drm_crtc *crtc = connector->encoder->crtc;
                struct intel_lvds_priv *lvds_priv = intel_output->dev_priv;
-               if (value == DRM_MODE_SCALE_NON_GPU) {
-                       DRM_DEBUG_KMS(I915_LVDS,
-                                       "non_GPU property is unsupported\n");
+               if (value == DRM_MODE_SCALE_NONE) {
+                       DRM_DEBUG_KMS("no scaling not supported\n");
                        return 0;
                }
                if (lvds_priv->fitting_mode == value) {
@@ -731,8 +738,7 @@ static const struct drm_encoder_funcs intel_lvds_enc_funcs = {
 
 static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
 {
-       DRM_DEBUG_KMS(I915_LVDS,
-                     "Skipping LVDS initialization for %s\n", id->ident);
+       DRM_DEBUG_KMS("Skipping LVDS initialization for %s\n", id->ident);
        return 1;
 }
 
@@ -778,6 +784,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "i965GMx-IF"),
                },
        },
+       {
+               .callback = intel_no_lvds_dmi_callback,
+               .ident = "AOpen Mini PC MP915",
+               .matches = {
+                       DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"),
+                       DMI_MATCH(DMI_BOARD_NAME, "i915GMx-F"),
+               },
+       },
        {
                .callback = intel_no_lvds_dmi_callback,
                .ident = "Aopen i945GTt-VFA",
@@ -884,6 +898,10 @@ void intel_lvds_init(struct drm_device *dev)
        if (IS_IGDNG(dev)) {
                if ((I915_READ(PCH_LVDS) & LVDS_DETECTED) == 0)
                        return;
+               if (dev_priv->edp_support) {
+                       DRM_DEBUG("disable LVDS for eDP support\n");
+                       return;
+               }
                gpio = PCH_GPIOC;
        }
 
@@ -904,6 +922,8 @@ void intel_lvds_init(struct drm_device *dev)
        drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
        intel_output->type = INTEL_OUTPUT_LVDS;
 
+       intel_output->clone_mask = (1 << INTEL_LVDS_CLONE_BIT);
+       intel_output->crtc_mask = (1 << 1);
        drm_encoder_helper_add(encoder, &intel_lvds_helper_funcs);
        drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs);
        connector->display_info.subpixel_order = SubPixelHorizontalRGB;
@@ -1009,11 +1029,16 @@ out:
                pwm |= PWM_PCH_ENABLE;
                I915_WRITE(BLC_PWM_PCH_CTL1, pwm);
        }
+       dev_priv->lid_notifier.notifier_call = intel_lid_notify;
+       if (acpi_lid_notifier_register(&dev_priv->lid_notifier)) {
+               DRM_DEBUG("lid notifier registration failed\n");
+               dev_priv->lid_notifier.notifier_call = NULL;
+       }
        drm_sysfs_connector_add(connector);
        return;
 
 failed:
-       DRM_DEBUG_KMS(I915_LVDS, "No LVDS modes found, disabling.\n");
+       DRM_DEBUG_KMS("No LVDS modes found, disabling.\n");
        if (intel_output->ddc_bus)
                intel_i2c_destroy(intel_output->ddc_bus);
        drm_connector_cleanup(connector);