radeon_connectors.c 63.5 KB
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/*
 * Copyright 2007-8 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 *
 * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
 *
 * Authors: Dave Airlie
 *          Alex Deucher
 */
#include "drmP.h"
#include "drm_edid.h"
#include "drm_crtc_helper.h"
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#include "drm_fb_helper.h"
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#include "radeon_drm.h"
#include "radeon.h"
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#include "atom.h"
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extern void
radeon_combios_connected_scratch_regs(struct drm_connector *connector,
				      struct drm_encoder *encoder,
				      bool connected);
extern void
radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
				       struct drm_encoder *encoder,
				       bool connected);

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extern void
radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
			     struct drm_connector *drm_connector);

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void radeon_connector_hotplug(struct drm_connector *connector)
{
	struct drm_device *dev = connector->dev;
	struct radeon_device *rdev = dev->dev_private;
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);

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	/* bail if the connector does not have hpd pin, e.g.,
	 * VGA, TV, etc.
	 */
	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
		return;

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	radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
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	/* if the connector is already off, don't turn it back on */
	if (connector->dpms != DRM_MODE_DPMS_ON)
		return;

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	/* just deal with DP (not eDP) here. */
	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
		int saved_dpms = connector->dpms;
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		/* Only turn off the display it it's physically disconnected */
		if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
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			drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
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		else if (radeon_dp_needs_link_train(radeon_connector))
			drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
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		connector->dpms = saved_dpms;
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	}
}

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static void radeon_property_change_mode(struct drm_encoder *encoder)
{
	struct drm_crtc *crtc = encoder->crtc;

	if (crtc && crtc->enabled) {
		drm_crtc_helper_set_mode(crtc, &crtc->mode,
					 crtc->x, crtc->y, crtc->fb);
	}
}
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static void
radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
{
	struct drm_device *dev = connector->dev;
	struct radeon_device *rdev = dev->dev_private;
	struct drm_encoder *best_encoder = NULL;
	struct drm_encoder *encoder = NULL;
	struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
	struct drm_mode_object *obj;
	bool connected;
	int i;

	best_encoder = connector_funcs->best_encoder(connector);

	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
		if (connector->encoder_ids[i] == 0)
			break;

		obj = drm_mode_object_find(connector->dev,
					   connector->encoder_ids[i],
					   DRM_MODE_OBJECT_ENCODER);
		if (!obj)
			continue;

		encoder = obj_to_encoder(obj);

		if ((encoder == best_encoder) && (status == connector_status_connected))
			connected = true;
		else
			connected = false;

		if (rdev->is_atom_bios)
			radeon_atombios_connected_scratch_regs(connector, encoder, connected);
		else
			radeon_combios_connected_scratch_regs(connector, encoder, connected);

	}
}

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struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
{
	struct drm_mode_object *obj;
	struct drm_encoder *encoder;
	int i;

	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
		if (connector->encoder_ids[i] == 0)
			break;

		obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
		if (!obj)
			continue;

		encoder = obj_to_encoder(obj);
		if (encoder->encoder_type == encoder_type)
			return encoder;
	}
	return NULL;
}

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struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
{
	int enc_id = connector->encoder_ids[0];
	struct drm_mode_object *obj;
	struct drm_encoder *encoder;

	/* pick the encoder ids */
	if (enc_id) {
		obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
		if (!obj)
			return NULL;
		encoder = obj_to_encoder(obj);
		return encoder;
	}
	return NULL;
}

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/*
 * radeon_connector_analog_encoder_conflict_solve
 * - search for other connectors sharing this encoder
 *   if priority is true, then set them disconnected if this is connected
 *   if priority is false, set us disconnected if they are connected
 */
static enum drm_connector_status
radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
					       struct drm_encoder *encoder,
					       enum drm_connector_status current_status,
					       bool priority)
{
	struct drm_device *dev = connector->dev;
	struct drm_connector *conflict;
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	struct radeon_connector *radeon_conflict;
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	int i;

	list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
		if (conflict == connector)
			continue;

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		radeon_conflict = to_radeon_connector(conflict);
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		for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
			if (conflict->encoder_ids[i] == 0)
				break;

			/* if the IDs match */
			if (conflict->encoder_ids[i] == encoder->base.id) {
				if (conflict->status != connector_status_connected)
					continue;
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				if (radeon_conflict->use_digital)
					continue;
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				if (priority == true) {
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					DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
					DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
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					conflict->status = connector_status_disconnected;
					radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
				} else {
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					DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
					DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
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					current_status = connector_status_disconnected;
				}
				break;
			}
		}
	}
	return current_status;

}

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static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
{
	struct drm_device *dev = encoder->dev;
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	struct drm_display_mode *mode = NULL;
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	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
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	if (native_mode->hdisplay != 0 &&
	    native_mode->vdisplay != 0 &&
	    native_mode->clock != 0) {
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		mode = drm_mode_duplicate(dev, native_mode);
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		mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
		drm_mode_set_name(mode);

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		DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
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	} else if (native_mode->hdisplay != 0 &&
		   native_mode->vdisplay != 0) {
		/* mac laptops without an edid */
		/* Note that this is not necessarily the exact panel mode,
		 * but an approximation based on the cvt formula.  For these
		 * systems we should ideally read the mode info out of the
		 * registers or add a mode table, but this works and is much
		 * simpler.
		 */
		mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
		mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
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		DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
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	}
	return mode;
}

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static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
{
	struct drm_device *dev = encoder->dev;
	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
	struct drm_display_mode *mode = NULL;
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	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
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	int i;
	struct mode_size {
		int w;
		int h;
	} common_modes[17] = {
		{ 640,  480},
		{ 720,  480},
		{ 800,  600},
		{ 848,  480},
		{1024,  768},
		{1152,  768},
		{1280,  720},
		{1280,  800},
		{1280,  854},
		{1280,  960},
		{1280, 1024},
		{1440,  900},
		{1400, 1050},
		{1680, 1050},
		{1600, 1200},
		{1920, 1080},
		{1920, 1200}
	};

	for (i = 0; i < 17; i++) {
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		if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
			if (common_modes[i].w > 1024 ||
			    common_modes[i].h > 768)
				continue;
		}
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		if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
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			if (common_modes[i].w > native_mode->hdisplay ||
			    common_modes[i].h > native_mode->vdisplay ||
			    (common_modes[i].w == native_mode->hdisplay &&
			     common_modes[i].h == native_mode->vdisplay))
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				continue;
		}
		if (common_modes[i].w < 320 || common_modes[i].h < 200)
			continue;

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		mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
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		drm_mode_probed_add(connector, mode);
	}
}

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int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
				  uint64_t val)
{
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	struct drm_device *dev = connector->dev;
	struct radeon_device *rdev = dev->dev_private;
	struct drm_encoder *encoder;
	struct radeon_encoder *radeon_encoder;

	if (property == rdev->mode_info.coherent_mode_property) {
		struct radeon_encoder_atom_dig *dig;
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		bool new_coherent_mode;
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		/* need to find digital encoder on connector */
		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
		if (!encoder)
			return 0;

		radeon_encoder = to_radeon_encoder(encoder);

		if (!radeon_encoder->enc_priv)
			return 0;

		dig = radeon_encoder->enc_priv;
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		new_coherent_mode = val ? true : false;
		if (dig->coherent_mode != new_coherent_mode) {
			dig->coherent_mode = new_coherent_mode;
			radeon_property_change_mode(&radeon_encoder->base);
		}
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	}

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	if (property == rdev->mode_info.underscan_property) {
		/* need to find digital encoder on connector */
		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
		if (!encoder)
			return 0;

		radeon_encoder = to_radeon_encoder(encoder);

		if (radeon_encoder->underscan_type != val) {
			radeon_encoder->underscan_type = val;
			radeon_property_change_mode(&radeon_encoder->base);
		}
	}

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	if (property == rdev->mode_info.underscan_hborder_property) {
		/* need to find digital encoder on connector */
		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
		if (!encoder)
			return 0;

		radeon_encoder = to_radeon_encoder(encoder);

		if (radeon_encoder->underscan_hborder != val) {
			radeon_encoder->underscan_hborder = val;
			radeon_property_change_mode(&radeon_encoder->base);
		}
	}

	if (property == rdev->mode_info.underscan_vborder_property) {
		/* need to find digital encoder on connector */
		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
		if (!encoder)
			return 0;

		radeon_encoder = to_radeon_encoder(encoder);

		if (radeon_encoder->underscan_vborder != val) {
			radeon_encoder->underscan_vborder = val;
			radeon_property_change_mode(&radeon_encoder->base);
		}
	}

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	if (property == rdev->mode_info.tv_std_property) {
		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
		if (!encoder) {
			encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
		}

		if (!encoder)
			return 0;

		radeon_encoder = to_radeon_encoder(encoder);
		if (!radeon_encoder->enc_priv)
			return 0;
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		if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
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			struct radeon_encoder_atom_dac *dac_int;
			dac_int = radeon_encoder->enc_priv;
			dac_int->tv_std = val;
		} else {
			struct radeon_encoder_tv_dac *dac_int;
			dac_int = radeon_encoder->enc_priv;
			dac_int->tv_std = val;
		}
		radeon_property_change_mode(&radeon_encoder->base);
	}

	if (property == rdev->mode_info.load_detect_property) {
		struct radeon_connector *radeon_connector =
			to_radeon_connector(connector);

		if (val == 0)
			radeon_connector->dac_load_detect = false;
		else
			radeon_connector->dac_load_detect = true;
	}

	if (property == rdev->mode_info.tmds_pll_property) {
		struct radeon_encoder_int_tmds *tmds = NULL;
		bool ret = false;
		/* need to find digital encoder on connector */
		encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
		if (!encoder)
			return 0;

		radeon_encoder = to_radeon_encoder(encoder);

		tmds = radeon_encoder->enc_priv;
		if (!tmds)
			return 0;

		if (val == 0) {
			if (rdev->is_atom_bios)
				ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
			else
				ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
		}
		if (val == 1 || ret == false) {
			radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
		}
		radeon_property_change_mode(&radeon_encoder->base);
	}

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	return 0;
}

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static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
					  struct drm_connector *connector)
{
	struct radeon_encoder *radeon_encoder =	to_radeon_encoder(encoder);
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	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
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	struct drm_display_mode *t, *mode;

	/* If the EDID preferred mode doesn't match the native mode, use it */
	list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
		if (mode->type & DRM_MODE_TYPE_PREFERRED) {
			if (mode->hdisplay != native_mode->hdisplay ||
			    mode->vdisplay != native_mode->vdisplay)
				memcpy(native_mode, mode, sizeof(*mode));
		}
	}
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	/* Try to get native mode details from EDID if necessary */
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	if (!native_mode->clock) {
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		list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
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			if (mode->hdisplay == native_mode->hdisplay &&
			    mode->vdisplay == native_mode->vdisplay) {
				*native_mode = *mode;
				drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
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				DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
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				break;
			}
		}
	}
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	if (!native_mode->clock) {
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		DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
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		radeon_encoder->rmx_type = RMX_OFF;
	}
}
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static int radeon_lvds_get_modes(struct drm_connector *connector)
{
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
	struct drm_encoder *encoder;
	int ret = 0;
	struct drm_display_mode *mode;

	if (radeon_connector->ddc_bus) {
		ret = radeon_ddc_get_modes(radeon_connector);
		if (ret > 0) {
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			encoder = radeon_best_single_encoder(connector);
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			if (encoder) {
				radeon_fixup_lvds_native_mode(encoder, connector);
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				/* add scaled modes */
				radeon_add_common_modes(encoder, connector);
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			}
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			return ret;
		}
	}

	encoder = radeon_best_single_encoder(connector);
	if (!encoder)
		return 0;

	/* we have no EDID modes */
	mode = radeon_fp_native_mode(encoder);
	if (mode) {
		ret = 1;
		drm_mode_probed_add(connector, mode);
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		/* add the width/height from vbios tables if available */
		connector->display_info.width_mm = mode->width_mm;
		connector->display_info.height_mm = mode->height_mm;
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		/* add scaled modes */
		radeon_add_common_modes(encoder, connector);
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	}
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	return ret;
}

static int radeon_lvds_mode_valid(struct drm_connector *connector,
				  struct drm_display_mode *mode)
{
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	struct drm_encoder *encoder = radeon_best_single_encoder(connector);

	if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
		return MODE_PANEL;

	if (encoder) {
		struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
		struct drm_display_mode *native_mode = &radeon_encoder->native_mode;

		/* AVIVO hardware supports downscaling modes larger than the panel
		 * to the panel size, but I'm not sure this is desirable.
		 */
		if ((mode->hdisplay > native_mode->hdisplay) ||
		    (mode->vdisplay > native_mode->vdisplay))
			return MODE_PANEL;

		/* if scaling is disabled, block non-native modes */
		if (radeon_encoder->rmx_type == RMX_OFF) {
			if ((mode->hdisplay != native_mode->hdisplay) ||
			    (mode->vdisplay != native_mode->vdisplay))
				return MODE_PANEL;
		}
	}

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	return MODE_OK;
}

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static enum drm_connector_status
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radeon_lvds_detect(struct drm_connector *connector, bool force)
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{
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	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
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	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
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	enum drm_connector_status ret = connector_status_disconnected;
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	if (encoder) {
		struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
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		struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
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		/* check if panel is valid */
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		if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
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			ret = connector_status_connected;

	}
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	/* check for edid as well */
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	if (radeon_connector->edid)
		ret = connector_status_connected;
	else {
		if (radeon_connector->ddc_bus) {
			radeon_connector->edid = drm_get_edid(&radeon_connector->base,
							      &radeon_connector->ddc_bus->adapter);
			if (radeon_connector->edid)
				ret = connector_status_connected;
		}
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	}
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	/* check acpi lid status ??? */
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	radeon_connector_update_scratch_regs(connector, ret);
	return ret;
}

static void radeon_connector_destroy(struct drm_connector *connector)
{
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);

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	if (radeon_connector->edid)
		kfree(radeon_connector->edid);
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	kfree(radeon_connector->con_priv);
	drm_sysfs_connector_remove(connector);
	drm_connector_cleanup(connector);
	kfree(connector);
}

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static int radeon_lvds_set_property(struct drm_connector *connector,
				    struct drm_property *property,
				    uint64_t value)
{
	struct drm_device *dev = connector->dev;
	struct radeon_encoder *radeon_encoder;
	enum radeon_rmx_type rmx_type;

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	DRM_DEBUG_KMS("\n");
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	if (property != dev->mode_config.scaling_mode_property)
		return 0;

	if (connector->encoder)
		radeon_encoder = to_radeon_encoder(connector->encoder);
	else {
		struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
		radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
	}

	switch (value) {
	case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
	case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
	case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
	default:
	case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
	}
	if (radeon_encoder->rmx_type == rmx_type)
		return 0;

	radeon_encoder->rmx_type = rmx_type;

	radeon_property_change_mode(&radeon_encoder->base);
	return 0;
}


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struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
	.get_modes = radeon_lvds_get_modes,
	.mode_valid = radeon_lvds_mode_valid,
	.best_encoder = radeon_best_single_encoder,
};

struct drm_connector_funcs radeon_lvds_connector_funcs = {
	.dpms = drm_helper_connector_dpms,
	.detect = radeon_lvds_detect,
	.fill_modes = drm_helper_probe_single_connector_modes,
	.destroy = radeon_connector_destroy,
630
	.set_property = radeon_lvds_set_property,
631 632 633 634 635 636 637 638 639 640 641 642 643 644 645
};

static int radeon_vga_get_modes(struct drm_connector *connector)
{
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
	int ret;

	ret = radeon_ddc_get_modes(radeon_connector);

	return ret;
}

static int radeon_vga_mode_valid(struct drm_connector *connector,
				  struct drm_display_mode *mode)
{
646 647 648
	struct drm_device *dev = connector->dev;
	struct radeon_device *rdev = dev->dev_private;

649
	/* XXX check mode bandwidth */
650 651 652 653

	if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
		return MODE_CLOCK_HIGH;

654 655 656
	return MODE_OK;
}

657
static enum drm_connector_status
658
radeon_vga_detect(struct drm_connector *connector, bool force)
659
{
660 661
	struct drm_device *dev = connector->dev;
	struct radeon_device *rdev = dev->dev_private;
662 663 664
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
	struct drm_encoder *encoder;
	struct drm_encoder_helper_funcs *encoder_funcs;
665
	bool dret = false;
666 667
	enum drm_connector_status ret = connector_status_disconnected;

668 669 670 671
	encoder = radeon_best_single_encoder(connector);
	if (!encoder)
		ret = connector_status_disconnected;

672
	if (radeon_connector->ddc_bus)
673
		dret = radeon_ddc_probe(radeon_connector);
674
	if (dret) {
675
		radeon_connector->detected_by_load = false;
676 677 678 679 680 681 682
		if (radeon_connector->edid) {
			kfree(radeon_connector->edid);
			radeon_connector->edid = NULL;
		}
		radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);

		if (!radeon_connector->edid) {
683 684 685
			DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
					drm_get_connector_name(connector));
			ret = connector_status_connected;
686 687 688 689 690 691 692 693 694 695 696 697 698 699
		} else {
			radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);

			/* some oems have boards with separate digital and analog connectors
			 * with a shared ddc line (often vga + hdmi)
			 */
			if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
				kfree(radeon_connector->edid);
				radeon_connector->edid = NULL;
				ret = connector_status_disconnected;
			} else
				ret = connector_status_connected;
		}
	} else {
700 701

		/* if we aren't forcing don't do destructive polling */
702 703 704 705 706 707 708 709 710
		if (!force) {
			/* only return the previous status if we last
			 * detected a monitor via load.
			 */
			if (radeon_connector->detected_by_load)
				return connector->status;
			else
				return ret;
		}
711

712
		if (radeon_connector->dac_load_detect && encoder) {
713 714
			encoder_funcs = encoder->helper_private;
			ret = encoder_funcs->detect(encoder, connector);
715
			if (ret != connector_status_disconnected)
716
				radeon_connector->detected_by_load = true;
717
		}
718 719
	}

720 721
	if (ret == connector_status_connected)
		ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
722 723 724 725 726 727 728 729 730 731 732

	/* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
	 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
	 * by other means, assume the CRT is connected and use that EDID.
	 */
	if ((!rdev->is_atom_bios) &&
	    (ret == connector_status_disconnected) &&
	    rdev->mode_info.bios_hardcoded_edid_size) {
		ret = connector_status_connected;
	}

733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750
	radeon_connector_update_scratch_regs(connector, ret);
	return ret;
}

struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
	.get_modes = radeon_vga_get_modes,
	.mode_valid = radeon_vga_mode_valid,
	.best_encoder = radeon_best_single_encoder,
};

struct drm_connector_funcs radeon_vga_connector_funcs = {
	.dpms = drm_helper_connector_dpms,
	.detect = radeon_vga_detect,
	.fill_modes = drm_helper_probe_single_connector_modes,
	.destroy = radeon_connector_destroy,
	.set_property = radeon_connector_set_property,
};

751 752 753
static int radeon_tv_get_modes(struct drm_connector *connector)
{
	struct drm_device *dev = connector->dev;
754
	struct radeon_device *rdev = dev->dev_private;
755
	struct drm_display_mode *tv_mode;
756
	struct drm_encoder *encoder;
757

758 759 760
	encoder = radeon_best_single_encoder(connector);
	if (!encoder)
		return 0;
761

762 763 764 765 766 767
	/* avivo chips can scale any mode */
	if (rdev->family >= CHIP_RS600)
		/* add scaled modes */
		radeon_add_common_modes(encoder, connector);
	else {
		/* only 800x600 is supported right now on pre-avivo chips */
768
		tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
769 770 771
		tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
		drm_mode_probed_add(connector, tv_mode);
	}
772 773 774 775 776 777
	return 1;
}

static int radeon_tv_mode_valid(struct drm_connector *connector,
				struct drm_display_mode *mode)
{
778 779
	if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
		return MODE_CLOCK_RANGE;
780 781 782
	return MODE_OK;
}

783
static enum drm_connector_status
784
radeon_tv_detect(struct drm_connector *connector, bool force)
785 786 787
{
	struct drm_encoder *encoder;
	struct drm_encoder_helper_funcs *encoder_funcs;
788 789 790 791 792
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
	enum drm_connector_status ret = connector_status_disconnected;

	if (!radeon_connector->dac_load_detect)
		return ret;
793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820

	encoder = radeon_best_single_encoder(connector);
	if (!encoder)
		ret = connector_status_disconnected;
	else {
		encoder_funcs = encoder->helper_private;
		ret = encoder_funcs->detect(encoder, connector);
	}
	if (ret == connector_status_connected)
		ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
	radeon_connector_update_scratch_regs(connector, ret);
	return ret;
}

struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
	.get_modes = radeon_tv_get_modes,
	.mode_valid = radeon_tv_mode_valid,
	.best_encoder = radeon_best_single_encoder,
};

struct drm_connector_funcs radeon_tv_connector_funcs = {
	.dpms = drm_helper_connector_dpms,
	.detect = radeon_tv_detect,
	.fill_modes = drm_helper_probe_single_connector_modes,
	.destroy = radeon_connector_destroy,
	.set_property = radeon_connector_set_property,
};

821 822 823 824 825 826 827 828 829
static int radeon_dvi_get_modes(struct drm_connector *connector)
{
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
	int ret;

	ret = radeon_ddc_get_modes(radeon_connector);
	return ret;
}

830 831 832 833 834 835 836 837 838 839 840
/*
 * DVI is complicated
 * Do a DDC probe, if DDC probe passes, get the full EDID so
 * we can do analog/digital monitor detection at this point.
 * If the monitor is an analog monitor or we got no DDC,
 * we need to find the DAC encoder object for this connector.
 * If we got no DDC, we do load detection on the DAC encoder object.
 * If we got analog DDC or load detection passes on the DAC encoder
 * we have to check if this analog encoder is shared with anyone else (TV)
 * if its shared we have to set the other connector to disconnected.
 */
841
static enum drm_connector_status
842
radeon_dvi_detect(struct drm_connector *connector, bool force)
843
{
844 845
	struct drm_device *dev = connector->dev;
	struct radeon_device *rdev = dev->dev_private;
846
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
847
	struct drm_encoder *encoder = NULL;
848 849 850 851
	struct drm_encoder_helper_funcs *encoder_funcs;
	struct drm_mode_object *obj;
	int i;
	enum drm_connector_status ret = connector_status_disconnected;
852
	bool dret = false;
853

854
	if (radeon_connector->ddc_bus)
855
		dret = radeon_ddc_probe(radeon_connector);
856
	if (dret) {
857
		radeon_connector->detected_by_load = false;
858 859 860 861
		if (radeon_connector->edid) {
			kfree(radeon_connector->edid);
			radeon_connector->edid = NULL;
		}
862 863 864
		radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);

		if (!radeon_connector->edid) {
865 866
			DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
					drm_get_connector_name(connector));
867 868 869 870 871 872 873
			/* rs690 seems to have a problem with connectors not existing and always
			 * return a block of 0's. If we see this just stop polling on this output */
			if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
				ret = connector_status_disconnected;
				DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
				radeon_connector->ddc_bus = NULL;
			}
874 875 876
		} else {
			radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);

877 878 879 880 881 882 883 884 885
			/* some oems have boards with separate digital and analog connectors
			 * with a shared ddc line (often vga + hdmi)
			 */
			if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
				kfree(radeon_connector->edid);
				radeon_connector->edid = NULL;
				ret = connector_status_disconnected;
			} else
				ret = connector_status_connected;
886

887 888 889 890
			/* This gets complicated.  We have boards with VGA + HDMI with a
			 * shared DDC line and we have boards with DVI-D + HDMI with a shared
			 * DDC line.  The latter is more complex because with DVI<->HDMI adapters
			 * you don't really know what's connected to which port as both are digital.
891
			 */
892
			if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
893 894 895 896 897 898
				struct drm_connector *list_connector;
				struct radeon_connector *list_radeon_connector;
				list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
					if (connector == list_connector)
						continue;
					list_radeon_connector = to_radeon_connector(list_connector);
899 900 901
					if (list_radeon_connector->shared_ddc &&
					    (list_radeon_connector->ddc_bus->rec.i2c_id ==
					     radeon_connector->ddc_bus->rec.i2c_id)) {
902 903 904 905
						/* cases where both connectors are digital */
						if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
							/* hpd is our only option in this case */
							if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
906 907 908 909 910 911 912 913
								kfree(radeon_connector->edid);
								radeon_connector->edid = NULL;
								ret = connector_status_disconnected;
							}
						}
					}
				}
			}
914 915 916 917 918 919
		}
	}

	if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
		goto out;

920 921 922 923 924
	/* DVI-D and HDMI-A are digital only */
	if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
	    (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
		goto out;

925
	/* if we aren't forcing don't do destructive polling */
926
	if (!force) {
927 928 929 930 931
		/* only return the previous status if we last
		 * detected a monitor via load.
		 */
		if (radeon_connector->detected_by_load)
			ret = connector->status;
932 933 934
		goto out;
	}

935
	/* find analog encoder */
936 937 938 939
	if (radeon_connector->dac_load_detect) {
		for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
			if (connector->encoder_ids[i] == 0)
				break;
940

941 942 943 944 945
			obj = drm_mode_object_find(connector->dev,
						   connector->encoder_ids[i],
						   DRM_MODE_OBJECT_ENCODER);
			if (!obj)
				continue;
946

947
			encoder = obj_to_encoder(obj);
948

949 950 951 952 953 954 955
			encoder_funcs = encoder->helper_private;
			if (encoder_funcs->detect) {
				if (ret != connector_status_connected) {
					ret = encoder_funcs->detect(encoder, connector);
					if (ret == connector_status_connected) {
						radeon_connector->use_digital = false;
					}
956 957
					if (ret != connector_status_disconnected)
						radeon_connector->detected_by_load = true;
958
				}
959
				break;
960 961 962 963
			}
		}
	}

964 965 966 967 968
	if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
	    encoder) {
		ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
	}

969 970 971 972 973 974 975 976 977 978 979 980 981
	/* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
	 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
	 * by other means, assume the DFP is connected and use that EDID.  In most
	 * cases the DVI port is actually a virtual KVM port connected to the service
	 * processor.
	 */
	if ((!rdev->is_atom_bios) &&
	    (ret == connector_status_disconnected) &&
	    rdev->mode_info.bios_hardcoded_edid_size) {
		radeon_connector->use_digital = true;
		ret = connector_status_connected;
	}

982
out:
983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005
	/* updated in get modes as well since we need to know if it's analog or digital */
	radeon_connector_update_scratch_regs(connector, ret);
	return ret;
}

/* okay need to be smart in here about which encoder to pick */
struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
{
	int enc_id = connector->encoder_ids[0];
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
	struct drm_mode_object *obj;
	struct drm_encoder *encoder;
	int i;
	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
		if (connector->encoder_ids[i] == 0)
			break;

		obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
		if (!obj)
			continue;

		encoder = obj_to_encoder(obj);

1006
		if (radeon_connector->use_digital == true) {
1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029
			if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
				return encoder;
		} else {
			if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
			    encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
				return encoder;
		}
	}

	/* see if we have a default encoder  TODO */

	/* then check use digitial */
	/* pick the first one */
	if (enc_id) {
		obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
		if (!obj)
			return NULL;
		encoder = obj_to_encoder(obj);
		return encoder;
	}
	return NULL;
}

1030 1031 1032 1033 1034 1035 1036 1037 1038
static void radeon_dvi_force(struct drm_connector *connector)
{
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
	if (connector->force == DRM_FORCE_ON)
		radeon_connector->use_digital = false;
	if (connector->force == DRM_FORCE_ON_DIGITAL)
		radeon_connector->use_digital = true;
}

1039 1040 1041
static int radeon_dvi_mode_valid(struct drm_connector *connector,
				  struct drm_display_mode *mode)
{
1042 1043
	struct drm_device *dev = connector->dev;
	struct radeon_device *rdev = dev->dev_private;
1044 1045 1046 1047
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);

	/* XXX check mode bandwidth */

1048 1049 1050 1051 1052 1053
	/* clocks over 135 MHz have heat issues with DVI on RV100 */
	if (radeon_connector->use_digital &&
	    (rdev->family == CHIP_RV100) &&
	    (mode->clock > 135000))
		return MODE_CLOCK_HIGH;

1054 1055 1056 1057 1058
	if (radeon_connector->use_digital && (mode->clock > 165000)) {
		if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
		    (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
		    (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
			return MODE_OK;
1059 1060 1061 1062 1063 1064 1065 1066 1067 1068
		else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
			if (ASIC_IS_DCE3(rdev)) {
				/* HDMI 1.3+ supports max clock of 340 Mhz */
				if (mode->clock > 340000)
					return MODE_CLOCK_HIGH;
				else
					return MODE_OK;
			} else
				return MODE_CLOCK_HIGH;
		} else
1069 1070
			return MODE_CLOCK_HIGH;
	}
1071 1072 1073 1074 1075

	/* check against the max pixel clock */
	if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
		return MODE_CLOCK_HIGH;

1076 1077 1078
	return MODE_OK;
}

1079 1080
struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
	.get_modes = radeon_dvi_get_modes,
1081
	.mode_valid = radeon_dvi_mode_valid,
1082 1083 1084 1085 1086 1087 1088 1089 1090
	.best_encoder = radeon_dvi_encoder,
};

struct drm_connector_funcs radeon_dvi_connector_funcs = {
	.dpms = drm_helper_connector_dpms,
	.detect = radeon_dvi_detect,
	.fill_modes = drm_helper_probe_single_connector_modes,
	.set_property = radeon_connector_set_property,
	.destroy = radeon_connector_destroy,
1091
	.force = radeon_dvi_force,
1092 1093
};

1094 1095 1096 1097 1098 1099 1100 1101
static void radeon_dp_connector_destroy(struct drm_connector *connector)
{
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;

	if (radeon_connector->edid)
		kfree(radeon_connector->edid);
	if (radeon_dig_connector->dp_i2c_bus)
1102
		radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1103 1104 1105 1106 1107 1108
	kfree(radeon_connector->con_priv);
	drm_sysfs_connector_remove(connector);
	drm_connector_cleanup(connector);
	kfree(connector);
}

1109 1110 1111
static int radeon_dp_get_modes(struct drm_connector *connector)
{
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1112
	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1113
	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1114 1115
	int ret;

1116 1117
	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
	    (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1118 1119
		struct drm_display_mode *mode;

1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136
		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
			if (!radeon_dig_connector->edp_on)
				atombios_set_edp_panel_power(connector,
							     ATOM_TRANSMITTER_ACTION_POWER_ON);
			ret = radeon_ddc_get_modes(radeon_connector);
			if (!radeon_dig_connector->edp_on)
				atombios_set_edp_panel_power(connector,
							     ATOM_TRANSMITTER_ACTION_POWER_OFF);
		} else {
			/* need to setup ddc on the bridge */
			if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
			    ENCODER_OBJECT_ID_NONE) {
				if (encoder)
					radeon_atom_ext_encoder_setup_ddc(encoder);
			}
			ret = radeon_ddc_get_modes(radeon_connector);
		}
1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160

		if (ret > 0) {
			if (encoder) {
				radeon_fixup_lvds_native_mode(encoder, connector);
				/* add scaled modes */
				radeon_add_common_modes(encoder, connector);
			}
			return ret;
		}

		if (!encoder)
			return 0;

		/* we have no EDID modes */
		mode = radeon_fp_native_mode(encoder);
		if (mode) {
			ret = 1;
			drm_mode_probed_add(connector, mode);
			/* add the width/height from vbios tables if available */
			connector->display_info.width_mm = mode->width_mm;
			connector->display_info.height_mm = mode->height_mm;
			/* add scaled modes */
			radeon_add_common_modes(encoder, connector);
		}
1161 1162
	} else {
		/* need to setup ddc on the bridge */
1163 1164
		if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
			ENCODER_OBJECT_ID_NONE) {
1165 1166 1167
			if (encoder)
				radeon_atom_ext_encoder_setup_ddc(encoder);
		}
1168
		ret = radeon_ddc_get_modes(radeon_connector);
1169
	}
1170

1171 1172 1173
	return ret;
}

1174
u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194
{
	struct drm_mode_object *obj;
	struct drm_encoder *encoder;
	struct radeon_encoder *radeon_encoder;
	int i;

	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
		if (connector->encoder_ids[i] == 0)
			break;

		obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
		if (!obj)
			continue;

		encoder = obj_to_encoder(obj);
		radeon_encoder = to_radeon_encoder(encoder);

		switch (radeon_encoder->encoder_id) {
		case ENCODER_OBJECT_ID_TRAVIS:
		case ENCODER_OBJECT_ID_NUTMEG:
1195
			return radeon_encoder->encoder_id;
1196 1197 1198 1199 1200
		default:
			break;
		}
	}

1201
	return ENCODER_OBJECT_ID_NONE;
1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242
}

bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
{
	struct drm_mode_object *obj;
	struct drm_encoder *encoder;
	struct radeon_encoder *radeon_encoder;
	int i;
	bool found = false;

	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
		if (connector->encoder_ids[i] == 0)
			break;

		obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
		if (!obj)
			continue;

		encoder = obj_to_encoder(obj);
		radeon_encoder = to_radeon_encoder(encoder);
		if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
			found = true;
	}

	return found;
}

bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
{
	struct drm_device *dev = connector->dev;
	struct radeon_device *rdev = dev->dev_private;

	if (ASIC_IS_DCE5(rdev) &&
	    (rdev->clock.dp_extclk >= 53900) &&
	    radeon_connector_encoder_is_hbr2(connector)) {
		return true;
	}

	return false;
}

1243
static enum drm_connector_status
1244
radeon_dp_detect(struct drm_connector *connector, bool force)
1245
{
1246 1247
	struct drm_device *dev = connector->dev;
	struct radeon_device *rdev = dev->dev_private;
1248 1249
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
	enum drm_connector_status ret = connector_status_disconnected;
1250
	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1251
	struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1252 1253 1254 1255 1256 1257

	if (radeon_connector->edid) {
		kfree(radeon_connector->edid);
		radeon_connector->edid = NULL;
	}

1258 1259
	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
	    (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1260 1261 1262 1263 1264 1265 1266 1267
		if (encoder) {
			struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
			struct drm_display_mode *native_mode = &radeon_encoder->native_mode;

			/* check if panel is valid */
			if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
				ret = connector_status_connected;
		}
1268 1269
		/* eDP is always DP */
		radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1270 1271 1272
		if (!radeon_dig_connector->edp_on)
			atombios_set_edp_panel_power(connector,
						     ATOM_TRANSMITTER_ACTION_POWER_ON);
1273
		if (radeon_dp_getdpcd(radeon_connector))
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1274
			ret = connector_status_connected;
1275 1276 1277
		if (!radeon_dig_connector->edp_on)
			atombios_set_edp_panel_power(connector,
						     ATOM_TRANSMITTER_ACTION_POWER_OFF);
1278 1279
	} else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
		   ENCODER_OBJECT_ID_NONE) {
1280 1281 1282 1283 1284
		/* DP bridges are always DP */
		radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
		/* get the DPCD from the bridge */
		radeon_dp_getdpcd(radeon_connector);

1285 1286 1287
		if (encoder) {
			/* setup ddc on the bridge */
			radeon_atom_ext_encoder_setup_ddc(encoder);
1288
			if (radeon_ddc_probe(radeon_connector)) /* try DDC */
1289
				ret = connector_status_connected;
1290 1291
			else if (radeon_connector->dac_load_detect) { /* try load detection */
				struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1292 1293
				ret = encoder_funcs->detect(encoder, connector);
			}
1294
		}
1295
	} else {
1296
		radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1297 1298 1299 1300
		if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
			ret = connector_status_connected;
			if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
				radeon_dp_getdpcd(radeon_connector);
1301
		} else {
1302 1303 1304 1305
			if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
				if (radeon_dp_getdpcd(radeon_connector))
					ret = connector_status_connected;
			} else {
1306
				if (radeon_ddc_probe(radeon_connector))
1307 1308
					ret = connector_status_connected;
			}
1309
		}
1310
	}
1311

1312
	radeon_connector_update_scratch_regs(connector, ret);
1313 1314 1315
	return ret;
}

1316 1317 1318 1319 1320 1321 1322 1323
static int radeon_dp_mode_valid(struct drm_connector *connector,
				  struct drm_display_mode *mode)
{
	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
	struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;

	/* XXX check mode bandwidth */

1324 1325
	if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
	    (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1326 1327 1328 1329 1330 1331 1332 1333 1334
		struct drm_encoder *encoder = radeon_best_single_encoder(connector);

		if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
			return MODE_PANEL;

		if (encoder) {
			struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
			struct drm_display_mode *native_mode = &radeon_encoder->native_mode;

1335
			/* AVIVO hardware supports downscaling modes larger than the panel
1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348
			 * to the panel size, but I'm not sure this is desirable.
			 */
			if ((mode->hdisplay > native_mode->hdisplay) ||
			    (mode->vdisplay > native_mode->vdisplay))
				return MODE_PANEL;

			/* if scaling is disabled, block non-native modes */
			if (radeon_encoder->rmx_type == RMX_OFF) {
				if ((mode->hdisplay != native_mode->hdisplay) ||
				    (mode->vdisplay != native_mode->vdisplay))
					return MODE_PANEL;
			}
		}
1349
		return MODE_OK;
1350 1351 1352 1353 1354 1355 1356
	} else {
		if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
		    (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
			return radeon_dp_mode_valid_helper(connector, mode);
		else
			return MODE_OK;
	}
1357 1358
}

1359 1360
struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
	.get_modes = radeon_dp_get_modes,
1361
	.mode_valid = radeon_dp_mode_valid,
1362 1363 1364 1365 1366 1367 1368 1369
	.best_encoder = radeon_dvi_encoder,
};

struct drm_connector_funcs radeon_dp_connector_funcs = {
	.dpms = drm_helper_connector_dpms,
	.detect = radeon_dp_detect,
	.fill_modes = drm_helper_probe_single_connector_modes,
	.set_property = radeon_connector_set_property,
1370
	.destroy = radeon_dp_connector_destroy,
1371 1372 1373
	.force = radeon_dvi_force,
};

1374 1375 1376 1377 1378 1379
void
radeon_add_atom_connector(struct drm_device *dev,
			  uint32_t connector_id,
			  uint32_t supported_device,
			  int connector_type,
			  struct radeon_i2c_bus_rec *i2c_bus,
1380
			  uint32_t igp_lane_info,
1381
			  uint16_t connector_object_id,
1382 1383
			  struct radeon_hpd *hpd,
			  struct radeon_router *router)
1384
{
1385
	struct radeon_device *rdev = dev->dev_private;
1386 1387 1388
	struct drm_connector *connector;
	struct radeon_connector *radeon_connector;
	struct radeon_connector_atom_dig *radeon_dig_connector;
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Alex Deucher 已提交
1389 1390
	struct drm_encoder *encoder;
	struct radeon_encoder *radeon_encoder;
1391
	uint32_t subpixel_order = SubPixelNone;
1392
	bool shared_ddc = false;
A
Alex Deucher 已提交
1393
	bool is_dp_bridge = false;
1394

1395
	if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1396 1397
		return;

1398 1399 1400 1401 1402 1403 1404
	/* if the user selected tv=0 don't try and add the connector */
	if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
	     (connector_type == DRM_MODE_CONNECTOR_Composite) ||
	     (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
	    (radeon_tv == 0))
		return;

1405 1406 1407 1408 1409 1410 1411
	/* see if we already added it */
	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
		radeon_connector = to_radeon_connector(connector);
		if (radeon_connector->connector_id == connector_id) {
			radeon_connector->devices |= supported_device;
			return;
		}
1412
		if (radeon_connector->ddc_bus && i2c_bus->valid) {
1413
			if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1414 1415 1416
				radeon_connector->shared_ddc = true;
				shared_ddc = true;
			}
1417
			if (radeon_connector->router_bus && router->ddc_valid &&
1418 1419 1420 1421
			    (radeon_connector->router.router_id == router->router_id)) {
				radeon_connector->shared_ddc = false;
				shared_ddc = false;
			}
1422
		}
1423 1424
	}

A
Alex Deucher 已提交
1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439
	/* check if it's a dp bridge */
	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
		radeon_encoder = to_radeon_encoder(encoder);
		if (radeon_encoder->devices & supported_device) {
			switch (radeon_encoder->encoder_id) {
			case ENCODER_OBJECT_ID_TRAVIS:
			case ENCODER_OBJECT_ID_NUTMEG:
				is_dp_bridge = true;
				break;
			default:
				break;
			}
		}
	}

1440 1441 1442 1443 1444 1445 1446 1447
	radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
	if (!radeon_connector)
		return;

	connector = &radeon_connector->base;

	radeon_connector->connector_id = connector_id;
	radeon_connector->devices = supported_device;
1448
	radeon_connector->shared_ddc = shared_ddc;
1449
	radeon_connector->connector_object_id = connector_object_id;
1450
	radeon_connector->hpd = *hpd;
1451

1452
	radeon_connector->router = *router;
1453
	if (router->ddc_valid || router->cd_valid) {
1454 1455
		radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
		if (!radeon_connector->router_bus)
1456
			DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1457
	}
A
Alex Deucher 已提交
1458 1459

	if (is_dp_bridge) {
1460 1461 1462 1463 1464
		radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
		if (!radeon_dig_connector)
			goto failed;
		radeon_dig_connector->igp_lane_info = igp_lane_info;
		radeon_connector->con_priv = radeon_dig_connector;
A
Alex Deucher 已提交
1465 1466
		drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
		drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1467
		if (i2c_bus->valid) {
A
Alex Deucher 已提交
1468 1469 1470 1471 1472 1473 1474
			/* add DP i2c bus */
			if (connector_type == DRM_MODE_CONNECTOR_eDP)
				radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
			else
				radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
			if (!radeon_dig_connector->dp_i2c_bus)
				DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
1475
			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1476
			if (!radeon_connector->ddc_bus)
A
Alex Deucher 已提交
1477
				DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1478
		}
A
Alex Deucher 已提交
1479 1480 1481 1482 1483 1484
		switch (connector_type) {
		case DRM_MODE_CONNECTOR_VGA:
		case DRM_MODE_CONNECTOR_DVIA:
		default:
			connector->interlace_allowed = true;
			connector->doublescan_allowed = true;
1485 1486 1487 1488
			radeon_connector->dac_load_detect = true;
			drm_connector_attach_property(&radeon_connector->base,
						      rdev->mode_info.load_detect_property,
						      1);
A
Alex Deucher 已提交
1489 1490 1491 1492 1493 1494
			break;
		case DRM_MODE_CONNECTOR_DVII:
		case DRM_MODE_CONNECTOR_DVID:
		case DRM_MODE_CONNECTOR_HDMIA:
		case DRM_MODE_CONNECTOR_HDMIB:
		case DRM_MODE_CONNECTOR_DisplayPort:
1495 1496
			drm_connector_attach_property(&radeon_connector->base,
						      rdev->mode_info.underscan_property,
1497
						      UNDERSCAN_OFF);
1498 1499 1500 1501 1502 1503
			drm_connector_attach_property(&radeon_connector->base,
						      rdev->mode_info.underscan_hborder_property,
						      0);
			drm_connector_attach_property(&radeon_connector->base,
						      rdev->mode_info.underscan_vborder_property,
						      0);
A
Alex Deucher 已提交
1504 1505 1506 1507 1508 1509
			subpixel_order = SubPixelHorizontalRGB;
			connector->interlace_allowed = true;
			if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
				connector->doublescan_allowed = true;
			else
				connector->doublescan_allowed = false;
1510 1511 1512 1513 1514 1515
			if (connector_type == DRM_MODE_CONNECTOR_DVII) {
				radeon_connector->dac_load_detect = true;
				drm_connector_attach_property(&radeon_connector->base,
							      rdev->mode_info.load_detect_property,
							      1);
			}
A
Alex Deucher 已提交
1516 1517 1518 1519 1520 1521 1522 1523 1524 1525
			break;
		case DRM_MODE_CONNECTOR_LVDS:
		case DRM_MODE_CONNECTOR_eDP:
			drm_connector_attach_property(&radeon_connector->base,
						      dev->mode_config.scaling_mode_property,
						      DRM_MODE_SCALE_FULLSCREEN);
			subpixel_order = SubPixelHorizontalRGB;
			connector->interlace_allowed = false;
			connector->doublescan_allowed = false;
			break;
1526
		}
A
Alex Deucher 已提交
1527 1528 1529 1530 1531 1532 1533 1534 1535 1536
	} else {
		switch (connector_type) {
		case DRM_MODE_CONNECTOR_VGA:
			drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
			drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
			if (i2c_bus->valid) {
				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
				if (!radeon_connector->ddc_bus)
					DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
			}
A
Alex Deucher 已提交
1537 1538 1539 1540
			radeon_connector->dac_load_detect = true;
			drm_connector_attach_property(&radeon_connector->base,
						      rdev->mode_info.load_detect_property,
						      1);
A
Alex Deucher 已提交
1541 1542 1543 1544
			/* no HPD on analog connectors */
			radeon_connector->hpd.hpd = RADEON_HPD_NONE;
			connector->polled = DRM_CONNECTOR_POLL_CONNECT;
			connector->interlace_allowed = true;
1545
			connector->doublescan_allowed = true;
A
Alex Deucher 已提交
1546 1547 1548 1549 1550 1551 1552 1553 1554 1555
			break;
		case DRM_MODE_CONNECTOR_DVIA:
			drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
			drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
			if (i2c_bus->valid) {
				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
				if (!radeon_connector->ddc_bus)
					DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
			}
			radeon_connector->dac_load_detect = true;
1556
			drm_connector_attach_property(&radeon_connector->base,
A
Alex Deucher 已提交
1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578
						      rdev->mode_info.load_detect_property,
						      1);
			/* no HPD on analog connectors */
			radeon_connector->hpd.hpd = RADEON_HPD_NONE;
			connector->interlace_allowed = true;
			connector->doublescan_allowed = true;
			break;
		case DRM_MODE_CONNECTOR_DVII:
		case DRM_MODE_CONNECTOR_DVID:
			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
			if (!radeon_dig_connector)
				goto failed;
			radeon_dig_connector->igp_lane_info = igp_lane_info;
			radeon_connector->con_priv = radeon_dig_connector;
			drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
			drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
			if (i2c_bus->valid) {
				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
				if (!radeon_connector->ddc_bus)
					DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
			}
			subpixel_order = SubPixelHorizontalRGB;
1579
			drm_connector_attach_property(&radeon_connector->base,
A
Alex Deucher 已提交
1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618
						      rdev->mode_info.coherent_mode_property,
						      1);
			if (ASIC_IS_AVIVO(rdev)) {
				drm_connector_attach_property(&radeon_connector->base,
							      rdev->mode_info.underscan_property,
							      UNDERSCAN_OFF);
				drm_connector_attach_property(&radeon_connector->base,
							      rdev->mode_info.underscan_hborder_property,
							      0);
				drm_connector_attach_property(&radeon_connector->base,
							      rdev->mode_info.underscan_vborder_property,
							      0);
			}
			if (connector_type == DRM_MODE_CONNECTOR_DVII) {
				radeon_connector->dac_load_detect = true;
				drm_connector_attach_property(&radeon_connector->base,
							      rdev->mode_info.load_detect_property,
							      1);
			}
			connector->interlace_allowed = true;
			if (connector_type == DRM_MODE_CONNECTOR_DVII)
				connector->doublescan_allowed = true;
			else
				connector->doublescan_allowed = false;
			break;
		case DRM_MODE_CONNECTOR_HDMIA:
		case DRM_MODE_CONNECTOR_HDMIB:
			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
			if (!radeon_dig_connector)
				goto failed;
			radeon_dig_connector->igp_lane_info = igp_lane_info;
			radeon_connector->con_priv = radeon_dig_connector;
			drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
			drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
			if (i2c_bus->valid) {
				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
				if (!radeon_connector->ddc_bus)
					DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
			}
1619
			drm_connector_attach_property(&radeon_connector->base,
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Alex Deucher 已提交
1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673
						      rdev->mode_info.coherent_mode_property,
						      1);
			if (ASIC_IS_AVIVO(rdev)) {
				drm_connector_attach_property(&radeon_connector->base,
							      rdev->mode_info.underscan_property,
							      UNDERSCAN_OFF);
				drm_connector_attach_property(&radeon_connector->base,
							      rdev->mode_info.underscan_hborder_property,
							      0);
				drm_connector_attach_property(&radeon_connector->base,
							      rdev->mode_info.underscan_vborder_property,
							      0);
			}
			subpixel_order = SubPixelHorizontalRGB;
			connector->interlace_allowed = true;
			if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
				connector->doublescan_allowed = true;
			else
				connector->doublescan_allowed = false;
			break;
		case DRM_MODE_CONNECTOR_DisplayPort:
			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
			if (!radeon_dig_connector)
				goto failed;
			radeon_dig_connector->igp_lane_info = igp_lane_info;
			radeon_connector->con_priv = radeon_dig_connector;
			drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
			drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
			if (i2c_bus->valid) {
				/* add DP i2c bus */
				radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
				if (!radeon_dig_connector->dp_i2c_bus)
					DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
				if (!radeon_connector->ddc_bus)
					DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
			}
			subpixel_order = SubPixelHorizontalRGB;
			drm_connector_attach_property(&radeon_connector->base,
						      rdev->mode_info.coherent_mode_property,
						      1);
			if (ASIC_IS_AVIVO(rdev)) {
				drm_connector_attach_property(&radeon_connector->base,
							      rdev->mode_info.underscan_property,
							      UNDERSCAN_OFF);
				drm_connector_attach_property(&radeon_connector->base,
							      rdev->mode_info.underscan_hborder_property,
							      0);
				drm_connector_attach_property(&radeon_connector->base,
							      rdev->mode_info.underscan_vborder_property,
							      0);
			}
			connector->interlace_allowed = true;
			/* in theory with a DP to VGA converter... */
1674
			connector->doublescan_allowed = false;
A
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1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692
			break;
		case DRM_MODE_CONNECTOR_eDP:
			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
			if (!radeon_dig_connector)
				goto failed;
			radeon_dig_connector->igp_lane_info = igp_lane_info;
			radeon_connector->con_priv = radeon_dig_connector;
			drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
			drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
			if (i2c_bus->valid) {
				/* add DP i2c bus */
				radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
				if (!radeon_dig_connector->dp_i2c_bus)
					DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n");
				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
				if (!radeon_connector->ddc_bus)
					DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
			}
1693
			drm_connector_attach_property(&radeon_connector->base,
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1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705
						      dev->mode_config.scaling_mode_property,
						      DRM_MODE_SCALE_FULLSCREEN);
			subpixel_order = SubPixelHorizontalRGB;
			connector->interlace_allowed = false;
			connector->doublescan_allowed = false;
			break;
		case DRM_MODE_CONNECTOR_SVIDEO:
		case DRM_MODE_CONNECTOR_Composite:
		case DRM_MODE_CONNECTOR_9PinDIN:
			drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
			drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
			radeon_connector->dac_load_detect = true;
1706
			drm_connector_attach_property(&radeon_connector->base,
A
Alex Deucher 已提交
1707 1708
						      rdev->mode_info.load_detect_property,
						      1);
1709
			drm_connector_attach_property(&radeon_connector->base,
A
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1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736
						      rdev->mode_info.tv_std_property,
						      radeon_atombios_get_tv_info(rdev));
			/* no HPD on analog connectors */
			radeon_connector->hpd.hpd = RADEON_HPD_NONE;
			connector->interlace_allowed = false;
			connector->doublescan_allowed = false;
			break;
		case DRM_MODE_CONNECTOR_LVDS:
			radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
			if (!radeon_dig_connector)
				goto failed;
			radeon_dig_connector->igp_lane_info = igp_lane_info;
			radeon_connector->con_priv = radeon_dig_connector;
			drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
			drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
			if (i2c_bus->valid) {
				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
				if (!radeon_connector->ddc_bus)
					DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
			}
			drm_connector_attach_property(&radeon_connector->base,
						      dev->mode_config.scaling_mode_property,
						      DRM_MODE_SCALE_FULLSCREEN);
			subpixel_order = SubPixelHorizontalRGB;
			connector->interlace_allowed = false;
			connector->doublescan_allowed = false;
			break;
1737 1738 1739
		}
	}

1740
	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1741 1742 1743 1744 1745
		if (i2c_bus->valid)
			connector->polled = DRM_CONNECTOR_POLL_CONNECT;
	} else
		connector->polled = DRM_CONNECTOR_POLL_HPD;

1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759
	connector->display_info.subpixel_order = subpixel_order;
	drm_sysfs_connector_add(connector);
	return;

failed:
	drm_connector_cleanup(connector);
	kfree(connector);
}

void
radeon_add_legacy_connector(struct drm_device *dev,
			    uint32_t connector_id,
			    uint32_t supported_device,
			    int connector_type,
1760
			    struct radeon_i2c_bus_rec *i2c_bus,
1761 1762
			    uint16_t connector_object_id,
			    struct radeon_hpd *hpd)
1763
{
1764
	struct radeon_device *rdev = dev->dev_private;
1765 1766 1767 1768
	struct drm_connector *connector;
	struct radeon_connector *radeon_connector;
	uint32_t subpixel_order = SubPixelNone;

1769
	if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1770 1771
		return;

1772 1773 1774 1775 1776 1777 1778
	/* if the user selected tv=0 don't try and add the connector */
	if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
	     (connector_type == DRM_MODE_CONNECTOR_Composite) ||
	     (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
	    (radeon_tv == 0))
		return;

1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795
	/* see if we already added it */
	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
		radeon_connector = to_radeon_connector(connector);
		if (radeon_connector->connector_id == connector_id) {
			radeon_connector->devices |= supported_device;
			return;
		}
	}

	radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
	if (!radeon_connector)
		return;

	connector = &radeon_connector->base;

	radeon_connector->connector_id = connector_id;
	radeon_connector->devices = supported_device;
1796
	radeon_connector->connector_object_id = connector_object_id;
1797
	radeon_connector->hpd = *hpd;
1798

1799 1800 1801
	switch (connector_type) {
	case DRM_MODE_CONNECTOR_VGA:
		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1802
		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1803
		if (i2c_bus->valid) {
1804
			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1805
			if (!radeon_connector->ddc_bus)
1806
				DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1807
		}
1808
		radeon_connector->dac_load_detect = true;
1809 1810 1811
		drm_connector_attach_property(&radeon_connector->base,
					      rdev->mode_info.load_detect_property,
					      1);
1812 1813
		/* no HPD on analog connectors */
		radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1814
		connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1815 1816
		connector->interlace_allowed = true;
		connector->doublescan_allowed = true;
1817 1818 1819
		break;
	case DRM_MODE_CONNECTOR_DVIA:
		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1820
		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1821
		if (i2c_bus->valid) {
1822
			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1823
			if (!radeon_connector->ddc_bus)
1824
				DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1825
		}
1826
		radeon_connector->dac_load_detect = true;
1827 1828 1829
		drm_connector_attach_property(&radeon_connector->base,
					      rdev->mode_info.load_detect_property,
					      1);
1830 1831
		/* no HPD on analog connectors */
		radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1832 1833
		connector->interlace_allowed = true;
		connector->doublescan_allowed = true;
1834 1835 1836 1837
		break;
	case DRM_MODE_CONNECTOR_DVII:
	case DRM_MODE_CONNECTOR_DVID:
		drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1838
		drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1839
		if (i2c_bus->valid) {
1840
			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1841
			if (!radeon_connector->ddc_bus)
1842
				DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1843 1844
		}
		if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1845
			radeon_connector->dac_load_detect = true;
1846 1847 1848
			drm_connector_attach_property(&radeon_connector->base,
						      rdev->mode_info.load_detect_property,
						      1);
1849 1850
		}
		subpixel_order = SubPixelHorizontalRGB;
1851 1852 1853 1854 1855
		connector->interlace_allowed = true;
		if (connector_type == DRM_MODE_CONNECTOR_DVII)
			connector->doublescan_allowed = true;
		else
			connector->doublescan_allowed = false;
1856 1857 1858 1859
		break;
	case DRM_MODE_CONNECTOR_SVIDEO:
	case DRM_MODE_CONNECTOR_Composite:
	case DRM_MODE_CONNECTOR_9PinDIN:
1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877
		drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
		drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
		radeon_connector->dac_load_detect = true;
		/* RS400,RC410,RS480 chipset seems to report a lot
		 * of false positive on load detect, we haven't yet
		 * found a way to make load detect reliable on those
		 * chipset, thus just disable it for TV.
		 */
		if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
			radeon_connector->dac_load_detect = false;
		drm_connector_attach_property(&radeon_connector->base,
					      rdev->mode_info.load_detect_property,
					      radeon_connector->dac_load_detect);
		drm_connector_attach_property(&radeon_connector->base,
					      rdev->mode_info.tv_std_property,
					      radeon_combios_get_tv_info(rdev));
		/* no HPD on analog connectors */
		radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1878 1879
		connector->interlace_allowed = false;
		connector->doublescan_allowed = false;
1880 1881 1882
		break;
	case DRM_MODE_CONNECTOR_LVDS:
		drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1883
		drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1884
		if (i2c_bus->valid) {
1885
			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1886
			if (!radeon_connector->ddc_bus)
1887
				DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1888
		}
1889 1890 1891
		drm_connector_attach_property(&radeon_connector->base,
					      dev->mode_config.scaling_mode_property,
					      DRM_MODE_SCALE_FULLSCREEN);
1892
		subpixel_order = SubPixelHorizontalRGB;
1893 1894
		connector->interlace_allowed = false;
		connector->doublescan_allowed = false;
1895 1896 1897
		break;
	}

1898
	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1899 1900 1901 1902
		if (i2c_bus->valid)
			connector->polled = DRM_CONNECTOR_POLL_CONNECT;
	} else
		connector->polled = DRM_CONNECTOR_POLL_HPD;
1903 1904
	connector->display_info.subpixel_order = subpixel_order;
	drm_sysfs_connector_add(connector);
1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915
	if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
		struct drm_encoder *drm_encoder;

		list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
			struct radeon_encoder *radeon_encoder;

			radeon_encoder = to_radeon_encoder(drm_encoder);
			if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
				radeon_legacy_backlight_init(radeon_encoder, connector);
		}
	}
1916
}