/* * 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
*/
/* if the connector is already off, don't turn it back on */ /* FIXME: This access isn't protected by any locks. */ if (connector->dpms != DRM_MODE_DPMS_ON) return;
/* just deal with DP (not eDP) here. */ if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { struct radeon_connector_atom_dig *dig_connector =
radeon_connector->con_priv;
/* if existing sink type was not DP no need to retrain */ if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT) return;
/* first get sink type as it may be reset after (un)plug */
dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); /* don't do anything if sink is not display port, i.e., * passive dp->(dvi|hdmi) adaptor
*/ if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
radeon_dp_needs_link_train(radeon_connector)) { /* Don't start link training before we have the DPCD */ if (!radeon_dp_getdpcd(radeon_connector)) return;
/* Turn the connector off and back on immediately, which * will trigger link training
*/
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
}
}
}
if (connector->display_info.is_hdmi) { /* hdmi deep color only implemented on DCE4+ */ if ((bpc > 8) && !ASIC_IS_DCE4(rdev)) {
DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 8 bpc.\n",
connector->name, bpc);
bpc = 8;
}
/* * Pre DCE-8 hw can't handle > 12 bpc, and more than 12 bpc doesn't make * much sense without support for > 12 bpc framebuffers. RGB 4:4:4 at * 12 bpc is always supported on hdmi deep color sinks, as this is * required by the HDMI-1.3 spec. Clamp to a safe 12 bpc maximum.
*/ if (bpc > 12) {
DRM_DEBUG("%s: HDMI deep color %d bpc unsupported. Using 12 bpc.\n",
connector->name, bpc);
bpc = 12;
}
/* Any defined maximum tmds clock limit we must not exceed? */ if (connector->display_info.max_tmds_clock > 0) { /* mode_clock is clock in kHz for mode to be modeset on this connector */
mode_clock = radeon_connector->pixelclock_for_modeset;
/* Maximum allowable input clock in kHz */
max_tmds_clock = connector->display_info.max_tmds_clock;
/* Check if bpc is within clock limit. Try to degrade gracefully otherwise */ if ((bpc == 12) && (mode_clock * 3/2 > max_tmds_clock)) { if ((connector->display_info.edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30) &&
(mode_clock * 5/4 <= max_tmds_clock))
bpc = 10; else
bpc = 8;
DRM_DEBUG("%s: HDMI deep color 12 bpc exceeds max tmds clock. Using %d bpc.\n",
connector->name, bpc);
}
if ((bpc == 10) && (mode_clock * 5/4 > max_tmds_clock)) {
bpc = 8;
DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
connector->name, bpc);
}
} elseif (bpc > 8) { /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
connector->name);
bpc = 8;
}
}
if ((radeon_deep_color == 0) && (bpc > 8)) {
DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n",
connector->name);
bpc = 8;
}
DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
connector->name, connector->display_info.bpc, bpc);
if (!radeon_connector->edid) { /* don't fetch the edid from the vbios if ddc fails and runpm is * enabled so we report disconnected.
*/ if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0)) return;
if (rdev->is_atom_bios) { /* some laptops provide a hardcoded edid in rom for LCDs */ if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
(connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
} else { /* some servers provide a hardcoded edid in rom for KVMs */
radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
}
}
}
/* * 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
*/ staticenum 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; struct radeon_connector *radeon_conflict;
drm_connector_for_each_possible_encoder(conflict, enc) { /* if the IDs match */ if (enc == encoder) { if (conflict->status != connector_status_connected) continue;
if (radeon_conflict->use_digital) continue;
if (priority) {
DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n",
conflict->name);
DRM_DEBUG_KMS("in favor of %s\n",
connector->name);
conflict->status = connector_status_disconnected;
radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
} else {
DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n",
connector->name);
DRM_DEBUG_KMS("in favor of %s\n",
conflict->name);
current_status = connector_status_disconnected;
} break;
}
}
} return current_status;
DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
} elseif (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); if (!mode) return NULL;
mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
} return mode;
}
if (property == rdev->mode_info.audio_property) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); /* need to find digital encoder on connector */
encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) return 0;
if (property == rdev->mode_info.dither_property) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); /* need to find digital encoder on connector */
encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) return 0;
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;
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;
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;
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)
radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
/* * Our .gamma_set assumes the .gamma_store has been * prefilled and don't care about its arguments.
*/
crtc->funcs->gamma_set(crtc, NULL, NULL, NULL, 0, NULL);
}
}
/* 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)
drm_mode_copy(native_mode, mode);
}
}
/* Try to get native mode details from EDID if necessary */ if (!native_mode->clock) {
list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { if (mode->hdisplay == native_mode->hdisplay &&
mode->vdisplay == native_mode->vdisplay) {
drm_mode_copy(native_mode, mode);
drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); break;
}
}
}
staticint radeon_lvds_get_modes(struct drm_connector *connector)
{ struct drm_encoder *encoder; int ret = 0; struct drm_display_mode *mode;
radeon_connector_get_edid(connector);
ret = radeon_ddc_get_modes(connector); if (ret > 0) {
encoder = radeon_best_single_encoder(connector); if (encoder) {
radeon_fixup_lvds_native_mode(encoder, connector); /* add scaled modes */
radeon_add_common_modes(encoder, connector);
} 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); /* 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);
}
/* 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;
}
}
/* check if panel is valid */ if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
ret = connector_status_connected; /* don't fetch the edid from the vbios if ddc fails and runpm is * enabled so we report disconnected.
*/ if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
ret = connector_status_disconnected;
}
/* check for edid as well */
radeon_connector_get_edid(connector); if (radeon_connector->edid)
ret = connector_status_connected; /* check acpi lid status ??? */
if (!drm_kms_helper_is_poll_worker()) {
r = pm_runtime_get_sync(connector->dev->dev); if (r < 0) {
pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected;
}
}
encoder = radeon_best_single_encoder(connector); if (!encoder)
ret = connector_status_disconnected;
if (radeon_connector->ddc_bus)
dret = radeon_ddc_probe(radeon_connector, false); if (dret) {
radeon_connector->detected_by_load = false;
radeon_connector_free_edid(connector);
radeon_connector_get_edid(connector);
if (!radeon_connector->edid) {
DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
connector->name);
ret = connector_status_connected;
} 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) {
radeon_connector_free_edid(connector);
ret = connector_status_disconnected;
} else {
ret = connector_status_connected;
}
}
} else {
/* if we aren't forcing don't do destructive polling */ if (!force) { /* only return the previous status if we last * detected a monitor via load.
*/ if (radeon_connector->detected_by_load)
ret = connector->status; goto out;
}
if (radeon_connector->dac_load_detect && encoder) {
encoder_funcs = encoder->helper_private;
ret = encoder_funcs->detect(encoder, connector); if (ret != connector_status_disconnected)
radeon_connector->detected_by_load = true;
}
}
if (ret == connector_status_connected)
ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
/* 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) {
ret = connector_status_connected;
}
/* We only trust HPD on R600 and newer ASICS. */ if (rdev->family >= CHIP_R600
&& radeon_connector->hpd.hpd != RADEON_HPD_NONE) { if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
status = connector_status_connected; else
status = connector_status_disconnected; if (connector->status == status) returntrue;
}
returnfalse;
}
/* * 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.
*/ staticenum drm_connector_status
radeon_dvi_detect(struct drm_connector *connector, bool force)
{ struct drm_device *dev = connector->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct drm_encoder *encoder = NULL; conststruct drm_encoder_helper_funcs *encoder_funcs; int r; enum drm_connector_status ret = connector_status_disconnected; bool dret = false, broken_edid = false;
if (!drm_kms_helper_is_poll_worker()) {
r = pm_runtime_get_sync(connector->dev->dev); if (r < 0) {
pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected;
}
}
if (radeon_connector->detected_hpd_without_ddc) {
force = true;
radeon_connector->detected_hpd_without_ddc = false;
}
if (!force && radeon_check_hpd_status_unchanged(connector)) {
ret = connector->status; gotoexit;
}
if (radeon_connector->ddc_bus) {
dret = radeon_ddc_probe(radeon_connector, false);
/* Sometimes the pins required for the DDC probe on DVI * connectors don't make contact at the same time that the ones * for HPD do. If the DDC probe fails even though we had an HPD
* signal, try again later */ if (!dret && !force &&
connector->status != connector_status_connected) {
DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");
radeon_connector->detected_hpd_without_ddc = true;
schedule_delayed_work(&rdev->hotplug_work,
msecs_to_jiffies(1000)); gotoexit;
}
} if (dret) {
radeon_connector->detected_by_load = false;
radeon_connector_free_edid(connector);
radeon_connector_get_edid(connector);
if (!radeon_connector->edid) {
DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
connector->name); /* 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",
connector->name);
radeon_connector->ddc_bus = NULL;
} else {
ret = connector_status_connected;
broken_edid = true; /* defer use_digital to later */
}
} 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) {
radeon_connector_free_edid(connector);
ret = connector_status_disconnected;
} else {
ret = connector_status_connected;
} /* 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.
*/ if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { 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); if (list_radeon_connector->shared_ddc &&
(list_radeon_connector->ddc_bus->rec.i2c_id ==
radeon_connector->ddc_bus->rec.i2c_id)) { /* 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)) {
radeon_connector_free_edid(connector);
ret = connector_status_disconnected;
}
}
}
}
}
}
}
if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) goto out;
/* 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;
/* if we aren't forcing don't do destructive polling */ if (!force) { /* only return the previous status if we last * detected a monitor via load.
*/ if (radeon_connector->detected_by_load)
ret = connector->status; goto out;
}
/* find analog encoder */ if (radeon_connector->dac_load_detect) {
drm_connector_for_each_possible_encoder(connector, encoder) { if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) continue;
encoder_funcs = encoder->helper_private; if (encoder_funcs->detect) { if (!broken_edid) { if (ret != connector_status_connected) { /* deal with analog monitors without DDC */
ret = encoder_funcs->detect(encoder, connector); if (ret == connector_status_connected) {
radeon_connector->use_digital = false;
} if (ret != connector_status_disconnected)
radeon_connector->detected_by_load = true;
}
} else { enum drm_connector_status lret; /* assume digital unless load detected otherwise */
radeon_connector->use_digital = true;
lret = encoder_funcs->detect(encoder, connector);
DRM_DEBUG_KMS("load_detect %x returned: %x\n", encoder->encoder_type, lret); if (lret == connector_status_connected)
radeon_connector->use_digital = false;
} break;
}
}
}
if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
encoder) {
ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
}
/* 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.
*/
out: if ((!rdev->is_atom_bios) &&
(ret == connector_status_disconnected) &&
rdev->mode_info.bios_hardcoded_edid) {
radeon_connector->use_digital = true;
ret = connector_status_connected;
}
/* updated in get modes as well since we need to know if it's analog or digital */
radeon_connector_update_scratch_regs(connector, ret);
exit: if (!drm_kms_helper_is_poll_worker()) {
pm_runtime_mark_last_busy(connector->dev->dev);
pm_runtime_put_autosuspend(connector->dev->dev);
}
return ret;
}
/* okay need to be smart in here about which encoder to pick */ staticstruct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
{ struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct drm_encoder *encoder;
drm_connector_for_each_possible_encoder(connector, encoder) { if (radeon_connector->use_digital == true) { 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 */
drm_connector_for_each_possible_encoder(connector, encoder) return encoder;
/* 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;
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);
radeon_connector_get_edid(connector);
ret = radeon_ddc_get_modes(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);
}
radeon_connector_get_edid(connector);
ret = radeon_ddc_get_modes(connector);
}
/* 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);
}
} 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);
}
radeon_connector_get_edid(connector);
ret = radeon_ddc_get_modes(connector);
/* check if panel is valid */ if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
ret = connector_status_connected; /* don't fetch the edid from the vbios if ddc fails and runpm is * enabled so we report disconnected.
*/ if ((rdev->flags & RADEON_IS_PX) && (radeon_runtime_pm != 0))
ret = connector_status_disconnected;
} /* eDP is always DP */
radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; if (!radeon_dig_connector->edp_on)
atombios_set_edp_panel_power(connector,
ATOM_TRANSMITTER_ACTION_POWER_ON); if (radeon_dp_getdpcd(radeon_connector))
ret = connector_status_connected; if (!radeon_dig_connector->edp_on)
atombios_set_edp_panel_power(connector,
ATOM_TRANSMITTER_ACTION_POWER_OFF);
} elseif (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
ENCODER_OBJECT_ID_NONE) { /* 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);
if (encoder) { /* setup ddc on the bridge */
radeon_atom_ext_encoder_setup_ddc(encoder); /* bridge chips are always aux */ if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
ret = connector_status_connected; elseif (radeon_connector->dac_load_detect) { /* try load detection */ conststruct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
ret = encoder_funcs->detect(encoder, connector);
}
}
} else {
radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); 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);
} else { if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { if (radeon_dp_getdpcd(radeon_connector))
ret = connector_status_connected;
} else { /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */ if (radeon_ddc_probe(radeon_connector, false))
ret = connector_status_connected;
}
}
}
/* 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;
}
}
} 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 { if (ASIC_IS_DCE6(rdev) && connector->display_info.is_hdmi) { /* HDMI 1.3+ supports max clock of 340 Mhz */ if (mode->clock > 340000) return MODE_CLOCK_HIGH;
} else { if (mode->clock > 165000) return MODE_CLOCK_HIGH;
}
}
}
return MODE_OK;
}
staticint
radeon_connector_late_register(struct drm_connector *connector)
{ struct radeon_connector *radeon_connector = to_radeon_connector(connector); int r = 0;
if (radeon_connector->ddc_bus->has_aux) {
radeon_connector->ddc_bus->aux.dev = radeon_connector->base.kdev;
r = drm_dp_aux_register(&radeon_connector->ddc_bus->aux);
}
if (connector_type == DRM_MODE_CONNECTOR_Unknown) return;
/* 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;
/* 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;
} if (radeon_connector->ddc_bus && i2c_bus->valid) { if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
radeon_connector->shared_ddc = true;
shared_ddc = true;
} if (radeon_connector->router_bus && router->ddc_valid &&
(radeon_connector->router.router_id == router->router_id)) {
radeon_connector->shared_ddc = false;
shared_ddc = false;
}
}
}
/* 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;
}
}
}
radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); if (!radeon_connector) return;
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