Release 4.15 drivers/gpu/drm/i915/intel_modes.c

/*
 * 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 <drm/drm_edid.h>
#include <drm/drmP.h>
#include "intel_drv.h"
#include "i915_drv.h"



static void intel_connector_update_eld_conn_type(struct drm_connector *connector)
{
	u8 conn_type;

	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
	    connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
		conn_type = DRM_ELD_CONN_TYPE_DP;
	} else {
		conn_type = DRM_ELD_CONN_TYPE_HDMI;
	}

	connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] &= ~DRM_ELD_CONN_TYPE_MASK;
	connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= conn_type;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jani Nikula
60
100.00%
1
100.00%
Total
60
100.00%
1
100.00%

/**
 * 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);

	intel_connector_update_eld_conn_type(connector);

	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jesse Barnes
28
57.14%
1
20.00%
Jani Nikula
8
16.33%
2
40.00%
Fengguang Wu
7
14.29%
1
20.00%
Zhenyu Wang
6
12.24%
1
20.00%
Total
49
100.00%
5
100.00%

/**
 * 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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jani Nikula
57
100.00%
2
100.00%
Total
57
100.00%
2
100.00%


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 = to_i915(dev);
	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);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Chris Wilson
83
91.21%
2
50.00%
Sascha Hauer
4
4.40%
1
25.00%
Rob Clark
4
4.40%
1
25.00%
Total
91
100.00%
4
100.00%


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 = to_i915(dev);
	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);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Chris Wilson
84
92.31%
2
50.00%
Rob Clark
4
4.40%
1
25.00%
Sascha Hauer
3
3.30%
1
25.00%
Total
91
100.00%
4
100.00%


void

intel_attach_aspect_ratio_property(struct drm_connector *connector)
{
	if (!drm_mode_create_aspect_ratio_property(connector->dev))
		drm_object_attach_property(&connector->base,
			connector->dev->mode_config.aspect_ratio_property,
			DRM_MODE_PICTURE_ASPECT_NONE);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Ville Syrjälä
38
100.00%
1
100.00%
Total
38
100.00%
1
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Chris Wilson
192
41.11%
4
21.05%
Jani Nikula
127
27.19%
3
15.79%
Ville Syrjälä
46
9.85%
2
10.53%
Jesse Barnes
36
7.71%
1
5.26%
Sascha Hauer
25
5.35%
1
5.26%
Fengguang Wu
12
2.57%
2
10.53%
Daniel Vetter
8
1.71%
1
5.26%
Rob Clark
8
1.71%
1
5.26%
Zhenyu Wang
6
1.28%
1
5.26%
David Shaohua Li
3
0.64%
1
5.26%
Tejun Heo
3
0.64%
1
5.26%
David Howells
1
0.21%
1
5.26%
Total
467
100.00%
19
100.00%
Directory: drivers/gpu/drm/i915

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.