diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c | 1907 |
1 files changed, 1907 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c new file mode 100644 index 000000000000..27df17a0e620 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -0,0 +1,1907 @@ +/* + * 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 <drm/drmP.h> +#include <drm/drm_edid.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_fb_helper.h> +#include <drm/amdgpu_drm.h> +#include "amdgpu.h" +#include "atom.h" +#include "atombios_encoders.h" +#include "atombios_dp.h" +#include "amdgpu_connectors.h" +#include "amdgpu_i2c.h" + +#include <linux/pm_runtime.h> + +void amdgpu_connector_hotplug(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct amdgpu_device *adev = dev->dev_private; + 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) { + int saved_dpms = connector->dpms; + /* Only turn off the display if it's physically disconnected */ + if (!amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) { + drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); + } else if (amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) { + /* set it to OFF so that drm_helper_connector_dpms() + * won't return immediately since the current state + * is ON at this point. + */ + connector->dpms = DRM_MODE_DPMS_OFF; + drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); + } + connector->dpms = saved_dpms; + } + } +} + +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 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 (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) { + if (connector->display_info.bpc) + bpc = connector->display_info.bpc; + } + } + break; + case DRM_MODE_CONNECTOR_DVID: + case DRM_MODE_CONNECTOR_HDMIA: + if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) { + 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) || + drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) { + 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 (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) { + /* + * 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->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->max_tmds_clock * 1000; + + 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_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 = NULL; + struct drm_encoder *encoder = NULL; + const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; + 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; + + encoder = drm_encoder_find(connector->dev, + connector->encoder_ids[i]); + if (!encoder) + continue; + + 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; + int i; + + for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { + if (connector->encoder_ids[i] == 0) + break; + encoder = drm_encoder_find(connector->dev, + connector->encoder_ids[i]); + if (!encoder) + continue; + + if (encoder->encoder_type == encoder_type) + return encoder; + } + return NULL; +} + +struct edid *amdgpu_connector_edid(struct drm_connector *connector) +{ + struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); + struct drm_property_blob *edid_blob = connector->edid_blob_ptr; + + if (amdgpu_connector->edid) { + return amdgpu_connector->edid; + } else if (edid_blob) { + struct edid *edid = kmemdup(edid_blob->data, edid_blob->length, GFP_KERNEL); + if (edid) + amdgpu_connector->edid = edid; + } + return amdgpu_connector->edid; +} + +static struct edid * +amdgpu_connector_get_hardcoded_edid(struct amdgpu_device *adev) +{ + struct edid *edid; + + if (adev->mode_info.bios_hardcoded_edid) { + edid = kmalloc(adev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL); + if (edid) { + memcpy((unsigned char *)edid, + (unsigned char *)adev->mode_info.bios_hardcoded_edid, + adev->mode_info.bios_hardcoded_edid_size); + return edid; + } + } + return NULL; +} + +static void amdgpu_connector_get_edid(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct amdgpu_device *adev = dev->dev_private; + 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); + } +} + +static void amdgpu_connector_free_edid(struct drm_connector *connector) +{ + struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); + + if (amdgpu_connector->edid) { + 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_mode_connector_update_edid_property(connector, amdgpu_connector->edid); + ret = drm_add_edid_modes(connector, amdgpu_connector->edid); + drm_edid_to_eld(connector, amdgpu_connector->edid); + return ret; + } + drm_mode_connector_update_edid_property(connector, NULL); + return 0; +} + +static struct drm_encoder * +amdgpu_connector_best_single_encoder(struct drm_connector *connector) +{ + int enc_id = connector->encoder_ids[0]; + + /* pick the encoder ids */ + if (enc_id) + return drm_encoder_find(connector->dev, enc_id); + 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); + 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); + 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; + 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); + 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 = dev->dev_private; + 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) + memcpy(native_mode, mode, sizeof(*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) { + *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 int 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; + + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + 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); + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + return ret; +} + +static void amdgpu_connector_destroy(struct drm_connector *connector) +{ + struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); + + if (amdgpu_connector->ddc_bus->has_aux) + drm_dp_aux_unregister(&amdgpu_connector->ddc_bus->aux); + 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, + .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); + + return ret; +} + +static int amdgpu_connector_vga_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + struct drm_device *dev = connector->dev; + struct amdgpu_device *adev = dev->dev_private; + + /* 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; + + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + + encoder = amdgpu_connector_best_single_encoder(connector); + if (!encoder) + ret = connector_status_disconnected; + + if (amdgpu_connector->ddc_bus) + dret = amdgpu_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: + 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, + .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 = dev->dev_private; + 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; +} + +/* + * 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 = dev->dev_private; + struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); + struct drm_encoder *encoder = NULL; + const struct drm_encoder_helper_funcs *encoder_funcs; + int i, r; + enum drm_connector_status ret = connector_status_disconnected; + bool dret = false, broken_edid = false; + + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + + if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) { + ret = connector->status; + goto exit; + } + + if (amdgpu_connector->ddc_bus) + dret = amdgpu_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; + 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. + */ + if (amdgpu_connector->shared_ddc && (ret == connector_status_connected)) { + struct drm_connector *list_connector; + struct amdgpu_connector *list_amdgpu_connector; + list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { + 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); + ret = connector_status_disconnected; + } + } + } + } + } + } + } + + 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) { + for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { + if (connector->encoder_ids[i] == 0) + break; + + encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); + if (!encoder) + continue; + + 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: + 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) +{ + int enc_id = connector->encoder_ids[0]; + struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); + struct drm_encoder *encoder; + int i; + for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { + if (connector->encoder_ids[i] == 0) + break; + + encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]); + if (!encoder) + continue; + + 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 */ + if (enc_id) + return drm_encoder_find(connector->dev, enc_id); + 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 int amdgpu_connector_dvi_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + struct drm_device *dev = connector->dev; + struct amdgpu_device *adev = dev->dev_private; + 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 (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) { + /* 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, + .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; + int i; + + for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { + if (connector->encoder_ids[i] == 0) + break; + + encoder = drm_encoder_find(connector->dev, + connector->encoder_ids[i]); + if (!encoder) + continue; + + 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; + int i; + bool found = false; + + for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { + if (connector->encoder_ids[i] == 0) + break; + encoder = drm_encoder_find(connector->dev, + connector->encoder_ids[i]); + if (!encoder) + continue; + + 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 = dev->dev_private; + + 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 = dev->dev_private; + 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; + + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + 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 */ + if (amdgpu_ddc_probe(amdgpu_connector, true)) /* try DDC */ + 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_ddc_probe(amdgpu_connector, false)) + ret = connector_status_connected; + } + } + } + + amdgpu_connector_update_scratch_regs(connector, ret); +out: + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + + return ret; +} + +static int 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 (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector))) { + /* 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 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, + .destroy = amdgpu_connector_destroy, + .force = amdgpu_connector_dvi_force, +}; + +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, + .destroy = amdgpu_connector_destroy, + .force = amdgpu_connector_dvi_force, +}; + +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->ddev; + struct drm_connector *connector; + struct amdgpu_connector *amdgpu_connector; + struct amdgpu_connector_atom_dig *amdgpu_dig_connector; + struct drm_encoder *encoder; + struct amdgpu_encoder *amdgpu_encoder; + 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 */ + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + amdgpu_connector = to_amdgpu_connector(connector); + if (amdgpu_connector->connector_id == connector_id) { + amdgpu_connector->devices |= supported_device; + 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; + } + } + } + + /* 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; + 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(dev, &amdgpu_connector->base, + &amdgpu_connector_dp_funcs, connector_type); + 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(dev, &amdgpu_connector->base, + &amdgpu_connector_dp_funcs, connector_type); + 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); + + 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(dev, &amdgpu_connector->base, + &amdgpu_connector_edp_funcs, connector_type); + 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: + drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_vga_funcs, connector_type); + drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs); + 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"); + } + 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->polled = DRM_CONNECTOR_POLL_CONNECT; + connector->interlace_allowed = true; + connector->doublescan_allowed = true; + break; + case DRM_MODE_CONNECTOR_DVIA: + drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_vga_funcs, connector_type); + drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs); + 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"); + } + 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; + drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_dvi_funcs, connector_type); + drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs); + 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"); + } + 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); + } + 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; + drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_dvi_funcs, connector_type); + drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs); + 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"); + } + 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); + } + 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; + drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_dp_funcs, connector_type); + drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs); + if (i2c_bus->valid) { + amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus); + if (amdgpu_connector->ddc_bus) + has_aux = true; + else + DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); + } + 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); + } + 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; + drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_edp_funcs, connector_type); + drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs); + if (i2c_bus->valid) { + amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus); + if (amdgpu_connector->ddc_bus) + has_aux = true; + else + DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); + } + 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; + drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_lvds_funcs, connector_type); + drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_lvds_helper_funcs); + 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"); + } + 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; + } else + connector->polled = DRM_CONNECTOR_POLL_HPD; + + connector->display_info.subpixel_order = subpixel_order; + drm_connector_register(connector); + + if (has_aux) + amdgpu_atombios_dp_aux_init(amdgpu_connector); + + return; + +failed: + drm_connector_cleanup(connector); + kfree(connector); +} |