/* * 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 #include #include #include #include #include #include "amdgpu.h" #include "atom.h" #include "atombios_encoders.h" #include "atombios_dp.h" #include "amdgpu_connectors.h" #include "amdgpu_i2c.h" #include "amdgpu_display.h" #include void amdgpu_connector_hotplug(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); /* bail if the connector does not have hpd pin, e.g., * VGA, TV, etc. */ if (amdgpu_connector->hpd.hpd == AMDGPU_HPD_NONE) return; amdgpu_display_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); /* if the connector is already off, don't turn it back on */ if (connector->dpms != DRM_MODE_DPMS_ON) return; /* just deal with DP (not eDP) here. */ if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { struct amdgpu_connector_atom_dig *dig_connector = amdgpu_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 = amdgpu_atombios_dp_get_sinktype(amdgpu_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 && amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd) && amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) { /* Don't start link training before we have the DPCD */ if (amdgpu_atombios_dp_get_dpcd(amdgpu_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); } } } static void amdgpu_connector_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->primary->fb); } } int amdgpu_connector_get_monitor_bpc(struct drm_connector *connector) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); struct amdgpu_connector_atom_dig *dig_connector; int bpc = 8; unsigned int mode_clock, max_tmds_clock; switch (connector->connector_type) { case DRM_MODE_CONNECTOR_DVII: case DRM_MODE_CONNECTOR_HDMIB: if (amdgpu_connector->use_digital) { if (connector->display_info.is_hdmi) { if (connector->display_info.bpc) bpc = connector->display_info.bpc; } } break; case DRM_MODE_CONNECTOR_DVID: case DRM_MODE_CONNECTOR_HDMIA: if (connector->display_info.is_hdmi) { if (connector->display_info.bpc) bpc = connector->display_info.bpc; } break; case DRM_MODE_CONNECTOR_DisplayPort: dig_connector = amdgpu_connector->con_priv; if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) || connector->display_info.is_hdmi) { if (connector->display_info.bpc) bpc = connector->display_info.bpc; } break; case DRM_MODE_CONNECTOR_eDP: case DRM_MODE_CONNECTOR_LVDS: if (connector->display_info.bpc) bpc = connector->display_info.bpc; else { const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; struct drm_encoder *encoder = connector_funcs->best_encoder(connector); struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR) bpc = 6; else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR) bpc = 8; } break; } if (connector->display_info.is_hdmi) { /* * 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 = amdgpu_connector->pixelclock_for_modeset; /* Maximum allowable input clock in kHz */ max_tmds_clock = connector->display_info.max_tmds_clock; DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n", connector->name, mode_clock, 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); } } else if (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 ((amdgpu_deep_color == 0) && (bpc > 8)) { DRM_DEBUG("%s: Deep color disabled. Set amdgpu 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); return bpc; } static void amdgpu_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) { struct drm_encoder *best_encoder; struct drm_encoder *encoder; const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; bool connected; best_encoder = connector_funcs->best_encoder(connector); drm_connector_for_each_possible_encoder(connector, encoder) { if ((encoder == best_encoder) && (status == connector_status_connected)) connected = true; else connected = false; amdgpu_atombios_encoder_set_bios_scratch_regs(connector, encoder, connected); } } static struct drm_encoder * amdgpu_connector_find_encoder(struct drm_connector *connector, int encoder_type) { struct drm_encoder *encoder; drm_connector_for_each_possible_encoder(connector, encoder) { if (encoder->encoder_type == encoder_type) return encoder; } return NULL; } static struct edid * amdgpu_connector_get_hardcoded_edid(struct amdgpu_device *adev) { return drm_edid_duplicate(drm_edid_raw(adev->mode_info.bios_hardcoded_edid)); } static void amdgpu_connector_get_edid(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); if (amdgpu_connector->edid) return; /* on hw with routers, select right port */ if (amdgpu_connector->router.ddc_valid) amdgpu_i2c_router_select_ddc_port(amdgpu_connector); if ((amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) != ENCODER_OBJECT_ID_NONE) && amdgpu_connector->ddc_bus->has_aux) { amdgpu_connector->edid = drm_get_edid(connector, &amdgpu_connector->ddc_bus->aux.ddc); } else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) || (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) { struct amdgpu_connector_atom_dig *dig = amdgpu_connector->con_priv; if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && amdgpu_connector->ddc_bus->has_aux) amdgpu_connector->edid = drm_get_edid(connector, &amdgpu_connector->ddc_bus->aux.ddc); else if (amdgpu_connector->ddc_bus) amdgpu_connector->edid = drm_get_edid(connector, &amdgpu_connector->ddc_bus->adapter); } else if (amdgpu_connector->ddc_bus) { amdgpu_connector->edid = drm_get_edid(connector, &amdgpu_connector->ddc_bus->adapter); } if (!amdgpu_connector->edid) { /* 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))) { amdgpu_connector->edid = amdgpu_connector_get_hardcoded_edid(adev); drm_connector_update_edid_property(connector, amdgpu_connector->edid); } } } static void amdgpu_connector_free_edid(struct drm_connector *connector) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); kfree(amdgpu_connector->edid); amdgpu_connector->edid = NULL; } static int amdgpu_connector_ddc_get_modes(struct drm_connector *connector) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); int ret; if (amdgpu_connector->edid) { drm_connector_update_edid_property(connector, amdgpu_connector->edid); ret = drm_add_edid_modes(connector, amdgpu_connector->edid); return ret; } drm_connector_update_edid_property(connector, NULL); return 0; } static struct drm_encoder * amdgpu_connector_best_single_encoder(struct drm_connector *connector) { struct drm_encoder *encoder; /* pick the first one */ drm_connector_for_each_possible_encoder(connector, encoder) return encoder; return NULL; } static void amdgpu_get_native_mode(struct drm_connector *connector) { struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector); struct amdgpu_encoder *amdgpu_encoder; if (encoder == NULL) return; amdgpu_encoder = to_amdgpu_encoder(encoder); if (!list_empty(&connector->probed_modes)) { struct drm_display_mode *preferred_mode = list_first_entry(&connector->probed_modes, struct drm_display_mode, head); amdgpu_encoder->native_mode = *preferred_mode; } else { amdgpu_encoder->native_mode.clock = 0; } } static struct drm_display_mode * amdgpu_connector_lcd_native_mode(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_display_mode *mode = NULL; struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode; if (native_mode->hdisplay != 0 && native_mode->vdisplay != 0 && native_mode->clock != 0) { mode = drm_mode_duplicate(dev, native_mode); if (!mode) return NULL; mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; drm_mode_set_name(mode); DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); } 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); 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; } static void amdgpu_connector_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) { struct drm_device *dev = encoder->dev; struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_display_mode *mode = NULL; struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode; int i; static const 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++) { if (amdgpu_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { if (common_modes[i].w > 1024 || common_modes[i].h > 768) continue; } if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 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)) continue; } if (common_modes[i].w < 320 || common_modes[i].h < 200) continue; mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); if (!mode) return; drm_mode_probed_add(connector, mode); } } static int amdgpu_connector_set_property(struct drm_connector *connector, struct drm_property *property, uint64_t val) { struct drm_device *dev = connector->dev; struct amdgpu_device *adev = drm_to_adev(dev); struct drm_encoder *encoder; struct amdgpu_encoder *amdgpu_encoder; if (property == adev->mode_info.coherent_mode_property) { struct amdgpu_encoder_atom_dig *dig; bool new_coherent_mode; /* need to find digital encoder on connector */ encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) return 0; amdgpu_encoder = to_amdgpu_encoder(encoder); if (!amdgpu_encoder->enc_priv) return 0; dig = amdgpu_encoder->enc_priv; new_coherent_mode = val ? true : false; if (dig->coherent_mode != new_coherent_mode) { dig->coherent_mode = new_coherent_mode; amdgpu_connector_property_change_mode(&amdgpu_encoder->base); } } if (property == adev->mode_info.audio_property) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); /* need to find digital encoder on connector */ encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) return 0; amdgpu_encoder = to_amdgpu_encoder(encoder); if (amdgpu_connector->audio != val) { amdgpu_connector->audio = val; amdgpu_connector_property_change_mode(&amdgpu_encoder->base); } } if (property == adev->mode_info.dither_property) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); /* need to find digital encoder on connector */ encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) return 0; amdgpu_encoder = to_amdgpu_encoder(encoder); if (amdgpu_connector->dither != val) { amdgpu_connector->dither = val; amdgpu_connector_property_change_mode(&amdgpu_encoder->base); } } if (property == adev->mode_info.underscan_property) { /* need to find digital encoder on connector */ encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) return 0; amdgpu_encoder = to_amdgpu_encoder(encoder); if (amdgpu_encoder->underscan_type != val) { amdgpu_encoder->underscan_type = val; amdgpu_connector_property_change_mode(&amdgpu_encoder->base); } } if (property == adev->mode_info.underscan_hborder_property) { /* need to find digital encoder on connector */ encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) return 0; amdgpu_encoder = to_amdgpu_encoder(encoder); if (amdgpu_encoder->underscan_hborder != val) { amdgpu_encoder->underscan_hborder = val; amdgpu_connector_property_change_mode(&amdgpu_encoder->base); } } if (property == adev->mode_info.underscan_vborder_property) { /* need to find digital encoder on connector */ encoder = amdgpu_connector_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) return 0; amdgpu_encoder = to_amdgpu_encoder(encoder); if (amdgpu_encoder->underscan_vborder != val) { amdgpu_encoder->underscan_vborder = val; amdgpu_connector_property_change_mode(&amdgpu_encoder->base); } } if (property == adev->mode_info.load_detect_property) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); if (val == 0) amdgpu_connector->dac_load_detect = false; else amdgpu_connector->dac_load_detect = true; } if (property == dev->mode_config.scaling_mode_property) { enum amdgpu_rmx_type rmx_type; if (connector->encoder) { amdgpu_encoder = to_amdgpu_encoder(connector->encoder); } else { const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; amdgpu_encoder = to_amdgpu_encoder(connector_funcs->best_encoder(connector)); } switch (val) { default: 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; case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; } if (amdgpu_encoder->rmx_type == rmx_type) return 0; if ((rmx_type != DRM_MODE_SCALE_NONE) && (amdgpu_encoder->native_mode.clock == 0)) return 0; amdgpu_encoder->rmx_type = rmx_type; amdgpu_connector_property_change_mode(&amdgpu_encoder->base); } return 0; } static void amdgpu_connector_fixup_lcd_native_mode(struct drm_encoder *encoder, struct drm_connector *connector) { struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode; 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) 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; } } } if (!native_mode->clock) { DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); amdgpu_encoder->rmx_type = RMX_OFF; } } static int amdgpu_connector_lvds_get_modes(struct drm_connector *connector) { struct drm_encoder *encoder; int ret = 0; struct drm_display_mode *mode; amdgpu_connector_get_edid(connector); ret = amdgpu_connector_ddc_get_modes(connector); if (ret > 0) { encoder = amdgpu_connector_best_single_encoder(connector); if (encoder) { amdgpu_connector_fixup_lcd_native_mode(encoder, connector); /* add scaled modes */ amdgpu_connector_add_common_modes(encoder, connector); } return ret; } encoder = amdgpu_connector_best_single_encoder(connector); if (!encoder) return 0; /* we have no EDID modes */ mode = amdgpu_connector_lcd_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 */ amdgpu_connector_add_common_modes(encoder, connector); } return ret; } static enum drm_mode_status amdgpu_connector_lvds_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector); if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) return MODE_PANEL; if (encoder) { struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_display_mode *native_mode = &amdgpu_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 (amdgpu_encoder->rmx_type == RMX_OFF) { if ((mode->hdisplay != native_mode->hdisplay) || (mode->vdisplay != native_mode->vdisplay)) return MODE_PANEL; } } return MODE_OK; } static enum drm_connector_status amdgpu_connector_lvds_detect(struct drm_connector *connector, bool force) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector); enum drm_connector_status ret = connector_status_disconnected; int r; 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 (encoder) { struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode; /* check if panel is valid */ if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) ret = connector_status_connected; } /* check for edid as well */ amdgpu_connector_get_edid(connector); if (amdgpu_connector->edid) ret = connector_status_connected; /* check acpi lid status ??? */ amdgpu_connector_update_scratch_regs(connector, ret); if (!drm_kms_helper_is_poll_worker()) { pm_runtime_mark_last_busy(connector->dev->dev); pm_runtime_put_autosuspend(connector->dev->dev); } return ret; } static void amdgpu_connector_unregister(struct drm_connector *connector) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); if (amdgpu_connector->ddc_bus && amdgpu_connector->ddc_bus->has_aux) { drm_dp_aux_unregister(&amdgpu_connector->ddc_bus->aux); amdgpu_connector->ddc_bus->has_aux = false; } } static void amdgpu_connector_destroy(struct drm_connector *connector) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); amdgpu_connector_free_edid(connector); kfree(amdgpu_connector->con_priv); drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(connector); } static int amdgpu_connector_set_lcd_property(struct drm_connector *connector, struct drm_property *property, uint64_t value) { struct drm_device *dev = connector->dev; struct amdgpu_encoder *amdgpu_encoder; enum amdgpu_rmx_type rmx_type; DRM_DEBUG_KMS("\n"); if (property != dev->mode_config.scaling_mode_property) return 0; if (connector->encoder) amdgpu_encoder = to_amdgpu_encoder(connector->encoder); else { const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; amdgpu_encoder = to_amdgpu_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 (amdgpu_encoder->rmx_type == rmx_type) return 0; amdgpu_encoder->rmx_type = rmx_type; amdgpu_connector_property_change_mode(&amdgpu_encoder->base); return 0; } static const struct drm_connector_helper_funcs amdgpu_connector_lvds_helper_funcs = { .get_modes = amdgpu_connector_lvds_get_modes, .mode_valid = amdgpu_connector_lvds_mode_valid, .best_encoder = amdgpu_connector_best_single_encoder, }; static const struct drm_connector_funcs amdgpu_connector_lvds_funcs = { .dpms = drm_helper_connector_dpms, .detect = amdgpu_connector_lvds_detect, .fill_modes = drm_helper_probe_single_connector_modes, .early_unregister = amdgpu_connector_unregister, .destroy = amdgpu_connector_destroy, .set_property = amdgpu_connector_set_lcd_property, }; static int amdgpu_connector_vga_get_modes(struct drm_connector *connector) { int ret; amdgpu_connector_get_edid(connector); ret = amdgpu_connector_ddc_get_modes(connector); amdgpu_get_native_mode(connector); return ret; } static enum drm_mode_status amdgpu_connector_vga_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct drm_device *dev = connector->dev; struct amdgpu_device *adev = drm_to_adev(dev); /* XXX check mode bandwidth */ if ((mode->clock / 10) > adev->clock.max_pixel_clock) return MODE_CLOCK_HIGH; return MODE_OK; } static enum drm_connector_status amdgpu_connector_vga_detect(struct drm_connector *connector, bool force) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); struct drm_encoder *encoder; const struct drm_encoder_helper_funcs *encoder_funcs; bool dret = false; enum drm_connector_status ret = connector_status_disconnected; int r; 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 = amdgpu_connector_best_single_encoder(connector); if (!encoder) ret = connector_status_disconnected; if (amdgpu_connector->ddc_bus) dret = amdgpu_display_ddc_probe(amdgpu_connector, false); if (dret) { amdgpu_connector->detected_by_load = false; amdgpu_connector_free_edid(connector); amdgpu_connector_get_edid(connector); if (!amdgpu_connector->edid) { DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", connector->name); ret = connector_status_connected; } else { amdgpu_connector->use_digital = !!(amdgpu_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 (amdgpu_connector->use_digital && amdgpu_connector->shared_ddc) { amdgpu_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 (amdgpu_connector->detected_by_load) ret = connector->status; goto out; } if (amdgpu_connector->dac_load_detect && encoder) { encoder_funcs = encoder->helper_private; ret = encoder_funcs->detect(encoder, connector); if (ret != connector_status_disconnected) amdgpu_connector->detected_by_load = true; } } amdgpu_connector_update_scratch_regs(connector, ret); out: if (!drm_kms_helper_is_poll_worker()) { pm_runtime_mark_last_busy(connector->dev->dev); pm_runtime_put_autosuspend(connector->dev->dev); } return ret; } static const struct drm_connector_helper_funcs amdgpu_connector_vga_helper_funcs = { .get_modes = amdgpu_connector_vga_get_modes, .mode_valid = amdgpu_connector_vga_mode_valid, .best_encoder = amdgpu_connector_best_single_encoder, }; static const struct drm_connector_funcs amdgpu_connector_vga_funcs = { .dpms = drm_helper_connector_dpms, .detect = amdgpu_connector_vga_detect, .fill_modes = drm_helper_probe_single_connector_modes, .early_unregister = amdgpu_connector_unregister, .destroy = amdgpu_connector_destroy, .set_property = amdgpu_connector_set_property, }; static bool amdgpu_connector_check_hpd_status_unchanged(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); enum drm_connector_status status; if (amdgpu_connector->hpd.hpd != AMDGPU_HPD_NONE) { if (amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) status = connector_status_connected; else status = connector_status_disconnected; if (connector->status == status) return true; } return false; } static void amdgpu_connector_shared_ddc(enum drm_connector_status *status, struct drm_connector *connector, struct amdgpu_connector *amdgpu_connector) { struct drm_connector *list_connector; struct drm_connector_list_iter iter; struct amdgpu_connector *list_amdgpu_connector; struct drm_device *dev = connector->dev; struct amdgpu_device *adev = drm_to_adev(dev); if (amdgpu_connector->shared_ddc && *status == connector_status_connected) { drm_connector_list_iter_begin(dev, &iter); drm_for_each_connector_iter(list_connector, &iter) { if (connector == list_connector) continue; list_amdgpu_connector = to_amdgpu_connector(list_connector); if (list_amdgpu_connector->shared_ddc && list_amdgpu_connector->ddc_bus->rec.i2c_id == amdgpu_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 (!amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) { amdgpu_connector_free_edid(connector); *status = connector_status_disconnected; } } } } drm_connector_list_iter_end(&iter); } } /* * 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. */ static enum drm_connector_status amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force) { struct drm_device *dev = connector->dev; struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); const struct 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 (amdgpu_connector->detected_hpd_without_ddc) { force = true; amdgpu_connector->detected_hpd_without_ddc = false; } if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) { ret = connector->status; goto exit; } if (amdgpu_connector->ddc_bus) { dret = amdgpu_display_ddc_probe(amdgpu_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 && amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) { DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n"); amdgpu_connector->detected_hpd_without_ddc = true; schedule_delayed_work(&adev->hotplug_work, msecs_to_jiffies(1000)); goto exit; } } if (dret) { amdgpu_connector->detected_by_load = false; amdgpu_connector_free_edid(connector); amdgpu_connector_get_edid(connector); if (!amdgpu_connector->edid) { DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", connector->name); ret = connector_status_connected; broken_edid = true; /* defer use_digital to later */ } else { amdgpu_connector->use_digital = !!(amdgpu_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 ((!amdgpu_connector->use_digital) && amdgpu_connector->shared_ddc) { amdgpu_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. */ amdgpu_connector_shared_ddc(&ret, connector, amdgpu_connector); } } if ((ret == connector_status_connected) && (amdgpu_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 (amdgpu_connector->detected_by_load) ret = connector->status; goto out; } /* find analog encoder */ if (amdgpu_connector->dac_load_detect) { struct drm_encoder *encoder; 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) { amdgpu_connector->use_digital = false; } if (ret != connector_status_disconnected) amdgpu_connector->detected_by_load = true; } } else { enum drm_connector_status lret; /* assume digital unless load detected otherwise */ amdgpu_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) amdgpu_connector->use_digital = false; } break; } } } out: /* updated in get modes as well since we need to know if it's analog or digital */ amdgpu_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 */ static struct drm_encoder * amdgpu_connector_dvi_encoder(struct drm_connector *connector) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); struct drm_encoder *encoder; drm_connector_for_each_possible_encoder(connector, encoder) { if (amdgpu_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; return NULL; } static void amdgpu_connector_dvi_force(struct drm_connector *connector) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); if (connector->force == DRM_FORCE_ON) amdgpu_connector->use_digital = false; if (connector->force == DRM_FORCE_ON_DIGITAL) amdgpu_connector->use_digital = true; } static enum drm_mode_status amdgpu_connector_dvi_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct drm_device *dev = connector->dev; struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); /* XXX check mode bandwidth */ if (amdgpu_connector->use_digital && (mode->clock > 165000)) { if ((amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || (amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || (amdgpu_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) { return MODE_OK; } else if (connector->display_info.is_hdmi) { /* 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; } } /* check against the max pixel clock */ if ((mode->clock / 10) > adev->clock.max_pixel_clock) return MODE_CLOCK_HIGH; return MODE_OK; } static const struct drm_connector_helper_funcs amdgpu_connector_dvi_helper_funcs = { .get_modes = amdgpu_connector_vga_get_modes, .mode_valid = amdgpu_connector_dvi_mode_valid, .best_encoder = amdgpu_connector_dvi_encoder, }; static const struct drm_connector_funcs amdgpu_connector_dvi_funcs = { .dpms = drm_helper_connector_dpms, .detect = amdgpu_connector_dvi_detect, .fill_modes = drm_helper_probe_single_connector_modes, .set_property = amdgpu_connector_set_property, .early_unregister = amdgpu_connector_unregister, .destroy = amdgpu_connector_destroy, .force = amdgpu_connector_dvi_force, }; static int amdgpu_connector_dp_get_modes(struct drm_connector *connector) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv; struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector); int ret; if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { struct drm_display_mode *mode; if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { if (!amdgpu_dig_connector->edp_on) amdgpu_atombios_encoder_set_edp_panel_power(connector, ATOM_TRANSMITTER_ACTION_POWER_ON); amdgpu_connector_get_edid(connector); ret = amdgpu_connector_ddc_get_modes(connector); if (!amdgpu_dig_connector->edp_on) amdgpu_atombios_encoder_set_edp_panel_power(connector, ATOM_TRANSMITTER_ACTION_POWER_OFF); } else { /* need to setup ddc on the bridge */ if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) != ENCODER_OBJECT_ID_NONE) { if (encoder) amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder); } amdgpu_connector_get_edid(connector); ret = amdgpu_connector_ddc_get_modes(connector); } if (ret > 0) { if (encoder) { amdgpu_connector_fixup_lcd_native_mode(encoder, connector); /* add scaled modes */ amdgpu_connector_add_common_modes(encoder, connector); } return ret; } if (!encoder) return 0; /* we have no EDID modes */ mode = amdgpu_connector_lcd_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 */ amdgpu_connector_add_common_modes(encoder, connector); } } else { /* need to setup ddc on the bridge */ if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) != ENCODER_OBJECT_ID_NONE) { if (encoder) amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder); } amdgpu_connector_get_edid(connector); ret = amdgpu_connector_ddc_get_modes(connector); amdgpu_get_native_mode(connector); } return ret; } u16 amdgpu_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) { struct drm_encoder *encoder; struct amdgpu_encoder *amdgpu_encoder; drm_connector_for_each_possible_encoder(connector, encoder) { amdgpu_encoder = to_amdgpu_encoder(encoder); switch (amdgpu_encoder->encoder_id) { case ENCODER_OBJECT_ID_TRAVIS: case ENCODER_OBJECT_ID_NUTMEG: return amdgpu_encoder->encoder_id; default: break; } } return ENCODER_OBJECT_ID_NONE; } static bool amdgpu_connector_encoder_is_hbr2(struct drm_connector *connector) { struct drm_encoder *encoder; struct amdgpu_encoder *amdgpu_encoder; bool found = false; drm_connector_for_each_possible_encoder(connector, encoder) { amdgpu_encoder = to_amdgpu_encoder(encoder); if (amdgpu_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) found = true; } return found; } bool amdgpu_connector_is_dp12_capable(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct amdgpu_device *adev = drm_to_adev(dev); if ((adev->clock.default_dispclk >= 53900) && amdgpu_connector_encoder_is_hbr2(connector)) { return true; } return false; } static enum drm_connector_status amdgpu_connector_dp_detect(struct drm_connector *connector, bool force) { struct drm_device *dev = connector->dev; struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); enum drm_connector_status ret = connector_status_disconnected; struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv; struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector); int r; 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 (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) { ret = connector->status; goto out; } amdgpu_connector_free_edid(connector); if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { if (encoder) { struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode; /* check if panel is valid */ if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) ret = connector_status_connected; } /* eDP is always DP */ amdgpu_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; if (!amdgpu_dig_connector->edp_on) amdgpu_atombios_encoder_set_edp_panel_power(connector, ATOM_TRANSMITTER_ACTION_POWER_ON); if (!amdgpu_atombios_dp_get_dpcd(amdgpu_connector)) ret = connector_status_connected; if (!amdgpu_dig_connector->edp_on) amdgpu_atombios_encoder_set_edp_panel_power(connector, ATOM_TRANSMITTER_ACTION_POWER_OFF); } else if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) != ENCODER_OBJECT_ID_NONE) { /* DP bridges are always DP */ amdgpu_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; /* get the DPCD from the bridge */ amdgpu_atombios_dp_get_dpcd(amdgpu_connector); if (encoder) { /* setup ddc on the bridge */ amdgpu_atombios_encoder_setup_ext_encoder_ddc(encoder); /* bridge chips are always aux */ /* try DDC */ if (amdgpu_display_ddc_probe(amdgpu_connector, true)) ret = connector_status_connected; else if (amdgpu_connector->dac_load_detect) { /* try load detection */ const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; ret = encoder_funcs->detect(encoder, connector); } } } else { amdgpu_dig_connector->dp_sink_type = amdgpu_atombios_dp_get_sinktype(amdgpu_connector); if (amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) { ret = connector_status_connected; if (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) amdgpu_atombios_dp_get_dpcd(amdgpu_connector); } else { if (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { if (!amdgpu_atombios_dp_get_dpcd(amdgpu_connector)) ret = connector_status_connected; } else { /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */ if (amdgpu_display_ddc_probe(amdgpu_connector, false)) ret = connector_status_connected; } } } amdgpu_connector_update_scratch_regs(connector, ret); out: if (!drm_kms_helper_is_poll_worker()) { pm_runtime_mark_last_busy(connector->dev->dev); pm_runtime_put_autosuspend(connector->dev->dev); } if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || connector->connector_type == DRM_MODE_CONNECTOR_eDP) drm_dp_set_subconnector_property(&amdgpu_connector->base, ret, amdgpu_dig_connector->dpcd, amdgpu_dig_connector->downstream_ports); return ret; } static enum drm_mode_status amdgpu_connector_dp_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); struct amdgpu_connector_atom_dig *amdgpu_dig_connector = amdgpu_connector->con_priv; /* XXX check mode bandwidth */ if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector); if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) return MODE_PANEL; if (encoder) { struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct drm_display_mode *native_mode = &amdgpu_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 (amdgpu_encoder->rmx_type == RMX_OFF) { if ((mode->hdisplay != native_mode->hdisplay) || (mode->vdisplay != native_mode->vdisplay)) return MODE_PANEL; } } return MODE_OK; } else { if ((amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || (amdgpu_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) { return amdgpu_atombios_dp_mode_valid_helper(connector, mode); } else { if (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; } static int amdgpu_connector_late_register(struct drm_connector *connector) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); int r = 0; if (amdgpu_connector->ddc_bus->has_aux) { amdgpu_connector->ddc_bus->aux.dev = amdgpu_connector->base.kdev; r = drm_dp_aux_register(&amdgpu_connector->ddc_bus->aux); } return r; } static const struct drm_connector_helper_funcs amdgpu_connector_dp_helper_funcs = { .get_modes = amdgpu_connector_dp_get_modes, .mode_valid = amdgpu_connector_dp_mode_valid, .best_encoder = amdgpu_connector_dvi_encoder, }; static const struct drm_connector_funcs amdgpu_connector_dp_funcs = { .dpms = drm_helper_connector_dpms, .detect = amdgpu_connector_dp_detect, .fill_modes = drm_helper_probe_single_connector_modes, .set_property = amdgpu_connector_set_property, .early_unregister = amdgpu_connector_unregister, .destroy = amdgpu_connector_destroy, .force = amdgpu_connector_dvi_force, .late_register = amdgpu_connector_late_register, }; static const struct drm_connector_funcs amdgpu_connector_edp_funcs = { .dpms = drm_helper_connector_dpms, .detect = amdgpu_connector_dp_detect, .fill_modes = drm_helper_probe_single_connector_modes, .set_property = amdgpu_connector_set_lcd_property, .early_unregister = amdgpu_connector_unregister, .destroy = amdgpu_connector_destroy, .force = amdgpu_connector_dvi_force, .late_register = amdgpu_connector_late_register, }; void amdgpu_connector_add(struct amdgpu_device *adev, uint32_t connector_id, uint32_t supported_device, int connector_type, struct amdgpu_i2c_bus_rec *i2c_bus, uint16_t connector_object_id, struct amdgpu_hpd *hpd, struct amdgpu_router *router) { struct drm_device *dev = adev_to_drm(adev); struct drm_connector *connector; struct drm_connector_list_iter iter; struct amdgpu_connector *amdgpu_connector; struct amdgpu_connector_atom_dig *amdgpu_dig_connector; struct drm_encoder *encoder; struct amdgpu_encoder *amdgpu_encoder; struct i2c_adapter *ddc = NULL; uint32_t subpixel_order = SubPixelNone; bool shared_ddc = false; bool is_dp_bridge = false; bool has_aux = false; if (connector_type == DRM_MODE_CONNECTOR_Unknown) return; /* see if we already added it */ drm_connector_list_iter_begin(dev, &iter); drm_for_each_connector_iter(connector, &iter) { amdgpu_connector = to_amdgpu_connector(connector); if (amdgpu_connector->connector_id == connector_id) { amdgpu_connector->devices |= supported_device; drm_connector_list_iter_end(&iter); return; } if (amdgpu_connector->ddc_bus && i2c_bus->valid) { if (amdgpu_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { amdgpu_connector->shared_ddc = true; shared_ddc = true; } if (amdgpu_connector->router_bus && router->ddc_valid && (amdgpu_connector->router.router_id == router->router_id)) { amdgpu_connector->shared_ddc = false; shared_ddc = false; } } } drm_connector_list_iter_end(&iter); /* check if it's a dp bridge */ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { amdgpu_encoder = to_amdgpu_encoder(encoder); if (amdgpu_encoder->devices & supported_device) { switch (amdgpu_encoder->encoder_id) { case ENCODER_OBJECT_ID_TRAVIS: case ENCODER_OBJECT_ID_NUTMEG: is_dp_bridge = true; break; default: break; } } } amdgpu_connector = kzalloc(sizeof(struct amdgpu_connector), GFP_KERNEL); if (!amdgpu_connector) return; connector = &amdgpu_connector->base; amdgpu_connector->connector_id = connector_id; amdgpu_connector->devices = supported_device; amdgpu_connector->shared_ddc = shared_ddc; amdgpu_connector->connector_object_id = connector_object_id; amdgpu_connector->hpd = *hpd; amdgpu_connector->router = *router; if (router->ddc_valid || router->cd_valid) { amdgpu_connector->router_bus = amdgpu_i2c_lookup(adev, &router->i2c_info); if (!amdgpu_connector->router_bus) DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); } if (is_dp_bridge) { amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL); if (!amdgpu_dig_connector) goto failed; amdgpu_connector->con_priv = amdgpu_dig_connector; if (i2c_bus->valid) { amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus); if (amdgpu_connector->ddc_bus) { has_aux = true; ddc = &amdgpu_connector->ddc_bus->adapter; } else { DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } } switch (connector_type) { case DRM_MODE_CONNECTOR_VGA: case DRM_MODE_CONNECTOR_DVIA: default: drm_connector_init_with_ddc(dev, &amdgpu_connector->base, &amdgpu_connector_dp_funcs, connector_type, ddc); drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs); connector->interlace_allowed = true; connector->doublescan_allowed = true; amdgpu_connector->dac_load_detect = true; drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.load_detect_property, 1); drm_object_attach_property(&amdgpu_connector->base.base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_NONE); 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: drm_connector_init_with_ddc(dev, &amdgpu_connector->base, &amdgpu_connector_dp_funcs, connector_type, ddc); drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.underscan_property, UNDERSCAN_OFF); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.underscan_hborder_property, 0); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.underscan_vborder_property, 0); drm_object_attach_property(&amdgpu_connector->base.base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_NONE); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.dither_property, AMDGPU_FMT_DITHER_DISABLE); if (amdgpu_audio != 0) { drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.audio_property, AMDGPU_AUDIO_AUTO); amdgpu_connector->audio = AMDGPU_AUDIO_AUTO; } subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = true; if (connector_type == DRM_MODE_CONNECTOR_HDMIB) connector->doublescan_allowed = true; else connector->doublescan_allowed = false; if (connector_type == DRM_MODE_CONNECTOR_DVII) { amdgpu_connector->dac_load_detect = true; drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.load_detect_property, 1); } break; case DRM_MODE_CONNECTOR_LVDS: case DRM_MODE_CONNECTOR_eDP: drm_connector_init_with_ddc(dev, &amdgpu_connector->base, &amdgpu_connector_edp_funcs, connector_type, ddc); drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs); drm_object_attach_property(&amdgpu_connector->base.base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN); subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = false; connector->doublescan_allowed = false; break; } } else { switch (connector_type) { case DRM_MODE_CONNECTOR_VGA: if (i2c_bus->valid) { amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus); if (!amdgpu_connector->ddc_bus) DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); else ddc = &amdgpu_connector->ddc_bus->adapter; } drm_connector_init_with_ddc(dev, &amdgpu_connector->base, &amdgpu_connector_vga_funcs, connector_type, ddc); drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs); amdgpu_connector->dac_load_detect = true; drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.load_detect_property, 1); drm_object_attach_property(&amdgpu_connector->base.base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_NONE); /* no HPD on analog connectors */ amdgpu_connector->hpd.hpd = AMDGPU_HPD_NONE; connector->interlace_allowed = true; connector->doublescan_allowed = true; break; case DRM_MODE_CONNECTOR_DVIA: if (i2c_bus->valid) { amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus); if (!amdgpu_connector->ddc_bus) DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); else ddc = &amdgpu_connector->ddc_bus->adapter; } drm_connector_init_with_ddc(dev, &amdgpu_connector->base, &amdgpu_connector_vga_funcs, connector_type, ddc); drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs); amdgpu_connector->dac_load_detect = true; drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.load_detect_property, 1); drm_object_attach_property(&amdgpu_connector->base.base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_NONE); /* no HPD on analog connectors */ amdgpu_connector->hpd.hpd = AMDGPU_HPD_NONE; connector->interlace_allowed = true; connector->doublescan_allowed = true; break; case DRM_MODE_CONNECTOR_DVII: case DRM_MODE_CONNECTOR_DVID: amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL); if (!amdgpu_dig_connector) goto failed; amdgpu_connector->con_priv = amdgpu_dig_connector; if (i2c_bus->valid) { amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus); if (!amdgpu_connector->ddc_bus) DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); else ddc = &amdgpu_connector->ddc_bus->adapter; } drm_connector_init_with_ddc(dev, &amdgpu_connector->base, &amdgpu_connector_dvi_funcs, connector_type, ddc); drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs); subpixel_order = SubPixelHorizontalRGB; drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.coherent_mode_property, 1); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.underscan_property, UNDERSCAN_OFF); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.underscan_hborder_property, 0); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.underscan_vborder_property, 0); drm_object_attach_property(&amdgpu_connector->base.base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_NONE); if (amdgpu_audio != 0) { drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.audio_property, AMDGPU_AUDIO_AUTO); amdgpu_connector->audio = AMDGPU_AUDIO_AUTO; } drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.dither_property, AMDGPU_FMT_DITHER_DISABLE); if (connector_type == DRM_MODE_CONNECTOR_DVII) { amdgpu_connector->dac_load_detect = true; drm_object_attach_property(&amdgpu_connector->base.base, adev->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: amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL); if (!amdgpu_dig_connector) goto failed; amdgpu_connector->con_priv = amdgpu_dig_connector; if (i2c_bus->valid) { amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus); if (!amdgpu_connector->ddc_bus) DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); else ddc = &amdgpu_connector->ddc_bus->adapter; } drm_connector_init_with_ddc(dev, &amdgpu_connector->base, &amdgpu_connector_dvi_funcs, connector_type, ddc); drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.coherent_mode_property, 1); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.underscan_property, UNDERSCAN_OFF); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.underscan_hborder_property, 0); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.underscan_vborder_property, 0); drm_object_attach_property(&amdgpu_connector->base.base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_NONE); if (amdgpu_audio != 0) { drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.audio_property, AMDGPU_AUDIO_AUTO); amdgpu_connector->audio = AMDGPU_AUDIO_AUTO; } drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.dither_property, AMDGPU_FMT_DITHER_DISABLE); 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: amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL); if (!amdgpu_dig_connector) goto failed; amdgpu_connector->con_priv = amdgpu_dig_connector; if (i2c_bus->valid) { amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus); if (amdgpu_connector->ddc_bus) { has_aux = true; ddc = &amdgpu_connector->ddc_bus->adapter; } else { DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } } drm_connector_init_with_ddc(dev, &amdgpu_connector->base, &amdgpu_connector_dp_funcs, connector_type, ddc); drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs); subpixel_order = SubPixelHorizontalRGB; drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.coherent_mode_property, 1); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.underscan_property, UNDERSCAN_OFF); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.underscan_hborder_property, 0); drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.underscan_vborder_property, 0); drm_object_attach_property(&amdgpu_connector->base.base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_NONE); if (amdgpu_audio != 0) { drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.audio_property, AMDGPU_AUDIO_AUTO); amdgpu_connector->audio = AMDGPU_AUDIO_AUTO; } drm_object_attach_property(&amdgpu_connector->base.base, adev->mode_info.dither_property, AMDGPU_FMT_DITHER_DISABLE); connector->interlace_allowed = true; /* in theory with a DP to VGA converter... */ connector->doublescan_allowed = false; break; case DRM_MODE_CONNECTOR_eDP: amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL); if (!amdgpu_dig_connector) goto failed; amdgpu_connector->con_priv = amdgpu_dig_connector; if (i2c_bus->valid) { amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus); if (amdgpu_connector->ddc_bus) { has_aux = true; ddc = &amdgpu_connector->ddc_bus->adapter; } else { DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } } drm_connector_init_with_ddc(dev, &amdgpu_connector->base, &amdgpu_connector_edp_funcs, connector_type, ddc); drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs); drm_object_attach_property(&amdgpu_connector->base.base, 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_LVDS: amdgpu_dig_connector = kzalloc(sizeof(struct amdgpu_connector_atom_dig), GFP_KERNEL); if (!amdgpu_dig_connector) goto failed; amdgpu_connector->con_priv = amdgpu_dig_connector; if (i2c_bus->valid) { amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus); if (!amdgpu_connector->ddc_bus) DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); else ddc = &amdgpu_connector->ddc_bus->adapter; } drm_connector_init_with_ddc(dev, &amdgpu_connector->base, &amdgpu_connector_lvds_funcs, connector_type, ddc); drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_lvds_helper_funcs); drm_object_attach_property(&amdgpu_connector->base.base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN); subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = false; connector->doublescan_allowed = false; break; } } if (amdgpu_connector->hpd.hpd == AMDGPU_HPD_NONE) { if (i2c_bus->valid) { connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT; } } else connector->polled = DRM_CONNECTOR_POLL_HPD; connector->display_info.subpixel_order = subpixel_order; if (has_aux) amdgpu_atombios_dp_aux_init(amdgpu_connector); if (connector_type == DRM_MODE_CONNECTOR_DisplayPort || connector_type == DRM_MODE_CONNECTOR_eDP) { drm_connector_attach_dp_subconnector_property(&amdgpu_connector->base); } return; failed: drm_connector_cleanup(connector); kfree(connector); }