Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / gpu / drm / i915 / intel_modes.c

diff --git a/kernel/drivers/gpu/drm/i915/intel_modes.c b/kernel/drivers/gpu/drm/i915/intel_modes.c
new file mode 100644 (file)
index 0000000..0e860f3
--- /dev/null
+++ b/kernel/drivers/gpu/drm/i915/intel_modes.c
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
+ * Copyright (c) 2007, 2010 Intel Corporation
+ *   Jesse Barnes <jesse.barnes@intel.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/fb.h>
+#include <drm/drm_edid.h>
+#include <drm/drmP.h>
+#include "intel_drv.h"
+#include "i915_drv.h"
+
+/**
+ * intel_connector_update_modes - update connector from edid
+ * @connector: DRM connector device to use
+ * @edid: previously read EDID information
+ */
+int intel_connector_update_modes(struct drm_connector *connector,
+                               struct edid *edid)
+{
+       int ret;
+
+       drm_mode_connector_update_edid_property(connector, edid);
+       ret = drm_add_edid_modes(connector, edid);
+       drm_edid_to_eld(connector, edid);
+
+       return ret;
+}
+
+/**
+ * intel_ddc_get_modes - get modelist from monitor
+ * @connector: DRM connector device to use
+ * @adapter: i2c adapter
+ *
+ * Fetch the EDID information from @connector using the DDC bus.
+ */
+int intel_ddc_get_modes(struct drm_connector *connector,
+                       struct i2c_adapter *adapter)
+{
+       struct edid *edid;
+       int ret;
+
+       edid = drm_get_edid(connector, adapter);
+       if (!edid)
+               return 0;
+
+       ret = intel_connector_update_modes(connector, edid);
+       kfree(edid);
+
+       return ret;
+}
+
+static const struct drm_prop_enum_list force_audio_names[] = {
+       { HDMI_AUDIO_OFF_DVI, "force-dvi" },
+       { HDMI_AUDIO_OFF, "off" },
+       { HDMI_AUDIO_AUTO, "auto" },
+       { HDMI_AUDIO_ON, "on" },
+};
+
+void
+intel_attach_force_audio_property(struct drm_connector *connector)
+{
+       struct drm_device *dev = connector->dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_property *prop;
+
+       prop = dev_priv->force_audio_property;
+       if (prop == NULL) {
+               prop = drm_property_create_enum(dev, 0,
+                                          "audio",
+                                          force_audio_names,
+                                          ARRAY_SIZE(force_audio_names));
+               if (prop == NULL)
+                       return;
+
+               dev_priv->force_audio_property = prop;
+       }
+       drm_object_attach_property(&connector->base, prop, 0);
+}
+
+static const struct drm_prop_enum_list broadcast_rgb_names[] = {
+       { INTEL_BROADCAST_RGB_AUTO, "Automatic" },
+       { INTEL_BROADCAST_RGB_FULL, "Full" },
+       { INTEL_BROADCAST_RGB_LIMITED, "Limited 16:235" },
+};
+
+void
+intel_attach_broadcast_rgb_property(struct drm_connector *connector)
+{
+       struct drm_device *dev = connector->dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_property *prop;
+
+       prop = dev_priv->broadcast_rgb_property;
+       if (prop == NULL) {
+               prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM,
+                                          "Broadcast RGB",
+                                          broadcast_rgb_names,
+                                          ARRAY_SIZE(broadcast_rgb_names));
+               if (prop == NULL)
+                       return;
+
+               dev_priv->broadcast_rgb_property = prop;
+       }
+
+       drm_object_attach_property(&connector->base, prop, 0);
+}