root/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
/*
 * Copyright 2007-11 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 <linux/pci.h>

#include <acpi/video.h>

#include <drm/drm_edid.h>
#include <drm/amdgpu_drm.h>
#include "amdgpu.h"
#include "amdgpu_connectors.h"
#include "amdgpu_display.h"
#include "atom.h"
#include "atombios_encoders.h"
#include "atombios_dp.h"
#include <linux/backlight.h>
#include "bif/bif_4_1_d.h"

u8
amdgpu_atombios_encoder_get_backlight_level_from_reg(struct amdgpu_device *adev)
{
        u8 backlight_level;
        u32 bios_2_scratch;

        bios_2_scratch = RREG32(mmBIOS_SCRATCH_2);

        backlight_level = ((bios_2_scratch & ATOM_S2_CURRENT_BL_LEVEL_MASK) >>
                           ATOM_S2_CURRENT_BL_LEVEL_SHIFT);

        return backlight_level;
}

void
amdgpu_atombios_encoder_set_backlight_level_to_reg(struct amdgpu_device *adev,
                                            u8 backlight_level)
{
        u32 bios_2_scratch;

        bios_2_scratch = RREG32(mmBIOS_SCRATCH_2);

        bios_2_scratch &= ~ATOM_S2_CURRENT_BL_LEVEL_MASK;
        bios_2_scratch |= ((backlight_level << ATOM_S2_CURRENT_BL_LEVEL_SHIFT) &
                           ATOM_S2_CURRENT_BL_LEVEL_MASK);

        WREG32(mmBIOS_SCRATCH_2, bios_2_scratch);
}

u8
amdgpu_atombios_encoder_get_backlight_level(struct amdgpu_encoder *amdgpu_encoder)
{
        struct drm_device *dev = amdgpu_encoder->base.dev;
        struct amdgpu_device *adev = drm_to_adev(dev);

        if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
                return 0;

        return amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
}

void
amdgpu_atombios_encoder_set_backlight_level(struct amdgpu_encoder *amdgpu_encoder,
                                     u8 level)
{
        struct drm_encoder *encoder = &amdgpu_encoder->base;
        struct drm_device *dev = amdgpu_encoder->base.dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct amdgpu_encoder_atom_dig *dig;

        if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
                return;

        if ((amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) &&
            amdgpu_encoder->enc_priv) {
                dig = amdgpu_encoder->enc_priv;
                dig->backlight_level = level;
                amdgpu_atombios_encoder_set_backlight_level_to_reg(adev, dig->backlight_level);

                switch (amdgpu_encoder->encoder_id) {
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
                case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
                        if (dig->backlight_level == 0)
                                amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
                                                                       ATOM_TRANSMITTER_ACTION_LCD_BLOFF, 0, 0);
                        else {
                                amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
                                                                       ATOM_TRANSMITTER_ACTION_BL_BRIGHTNESS_CONTROL, 0, 0);
                                amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
                                                                       ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0);
                        }
                        break;
                default:
                        break;
                }
        }
}

static u8 amdgpu_atombios_encoder_backlight_level(struct backlight_device *bd)
{
        u8 level;

        /* Convert brightness to hardware level */
        if (bd->props.brightness < 0)
                level = 0;
        else if (bd->props.brightness > AMDGPU_MAX_BL_LEVEL)
                level = AMDGPU_MAX_BL_LEVEL;
        else
                level = bd->props.brightness;

        return level;
}

static int amdgpu_atombios_encoder_update_backlight_status(struct backlight_device *bd)
{
        struct amdgpu_backlight_privdata *pdata = bl_get_data(bd);
        struct amdgpu_encoder *amdgpu_encoder = pdata->encoder;

        amdgpu_atombios_encoder_set_backlight_level(amdgpu_encoder,
                                             amdgpu_atombios_encoder_backlight_level(bd));

        return 0;
}

static int
amdgpu_atombios_encoder_get_backlight_brightness(struct backlight_device *bd)
{
        struct amdgpu_backlight_privdata *pdata = bl_get_data(bd);
        struct amdgpu_encoder *amdgpu_encoder = pdata->encoder;
        struct drm_device *dev = amdgpu_encoder->base.dev;
        struct amdgpu_device *adev = drm_to_adev(dev);

        return amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
}

static const struct backlight_ops amdgpu_atombios_encoder_backlight_ops = {
        .get_brightness = amdgpu_atombios_encoder_get_backlight_brightness,
        .update_status  = amdgpu_atombios_encoder_update_backlight_status,
};

void amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder *amdgpu_encoder,
                                     struct drm_connector *drm_connector)
{
        struct drm_device *dev = amdgpu_encoder->base.dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct backlight_device *bd;
        struct backlight_properties props;
        struct amdgpu_backlight_privdata *pdata;
        struct amdgpu_encoder_atom_dig *dig;
        char bl_name[16];

        /* Mac laptops with multiple GPUs use the gmux driver for backlight
         * so don't register a backlight device
         */
        if ((adev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) &&
            (adev->pdev->device == 0x6741))
                return;

        if (!amdgpu_encoder->enc_priv)
                return;

        if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
                goto register_acpi_backlight;

        if (!acpi_video_backlight_use_native()) {
                drm_info(dev, "Skipping amdgpu atom DIG backlight registration\n");
                goto register_acpi_backlight;
        }

        pdata = kmalloc_obj(struct amdgpu_backlight_privdata);
        if (!pdata) {
                DRM_ERROR("Memory allocation failed\n");
                goto error;
        }

        memset(&props, 0, sizeof(props));
        props.max_brightness = AMDGPU_MAX_BL_LEVEL;
        props.type = BACKLIGHT_RAW;
        snprintf(bl_name, sizeof(bl_name),
                 "amdgpu_bl%d", dev->primary->index);
        bd = backlight_device_register(bl_name, drm_connector->kdev,
                                       pdata, &amdgpu_atombios_encoder_backlight_ops, &props);
        if (IS_ERR(bd)) {
                DRM_ERROR("Backlight registration failed\n");
                goto error;
        }

        pdata->encoder = amdgpu_encoder;

        dig = amdgpu_encoder->enc_priv;
        dig->bl_dev = bd;

        bd->props.brightness = amdgpu_atombios_encoder_get_backlight_brightness(bd);
        bd->props.power = BACKLIGHT_POWER_ON;
        backlight_update_status(bd);

        drm_info(adev_to_drm(adev), "ATOM DIG backlight initialized\n");

        return;

error:
        kfree(pdata);
        return;

register_acpi_backlight:
        /* Try registering an ACPI video backlight device instead. */
        acpi_video_register_backlight();
}

void
amdgpu_atombios_encoder_fini_backlight(struct amdgpu_encoder *amdgpu_encoder)
{
        struct drm_device *dev = amdgpu_encoder->base.dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct backlight_device *bd = NULL;
        struct amdgpu_encoder_atom_dig *dig;

        if (!amdgpu_encoder->enc_priv)
                return;

        if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
                return;

        dig = amdgpu_encoder->enc_priv;
        bd = dig->bl_dev;
        dig->bl_dev = NULL;

        if (bd) {
                struct amdgpu_legacy_backlight_privdata *pdata;

                pdata = bl_get_data(bd);
                backlight_device_unregister(bd);
                kfree(pdata);

                drm_info(adev_to_drm(adev), "ATOM LVDS backlight unloaded\n");
        }
}

bool amdgpu_atombios_encoder_is_digital(struct drm_encoder *encoder)
{
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
        switch (amdgpu_encoder->encoder_id) {
        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
                return true;
        default:
                return false;
        }
}

bool amdgpu_atombios_encoder_mode_fixup(struct drm_encoder *encoder,
                                 const struct drm_display_mode *mode,
                                 struct drm_display_mode *adjusted_mode)
{
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);

        /* set the active encoder to connector routing */
        amdgpu_encoder_set_active_device(encoder);
        drm_mode_set_crtcinfo(adjusted_mode, 0);

        /* hw bug */
        if ((mode->flags & DRM_MODE_FLAG_INTERLACE)
            && (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2)))
                adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2;

        /* vertical FP must be at least 1 */
        if (mode->crtc_vsync_start == mode->crtc_vdisplay)
                adjusted_mode->crtc_vsync_start++;

        /* get the native mode for scaling */
        if (amdgpu_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT))
                amdgpu_panel_mode_fixup(encoder, adjusted_mode);
        else if (amdgpu_encoder->rmx_type != RMX_OFF)
                amdgpu_panel_mode_fixup(encoder, adjusted_mode);

        if ((amdgpu_encoder->active_device & (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
            (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) {
                struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
                amdgpu_atombios_dp_set_link_config(connector, adjusted_mode);
        }

        return true;
}

static void
amdgpu_atombios_encoder_setup_dac(struct drm_encoder *encoder, int action)
{
        struct drm_device *dev = encoder->dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
        DAC_ENCODER_CONTROL_PS_ALLOCATION args;
        int index = 0;

        memset(&args, 0, sizeof(args));

        switch (amdgpu_encoder->encoder_id) {
        case ENCODER_OBJECT_ID_INTERNAL_DAC1:
        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
                index = GetIndexIntoMasterTable(COMMAND, DAC1EncoderControl);
                break;
        case ENCODER_OBJECT_ID_INTERNAL_DAC2:
        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
                index = GetIndexIntoMasterTable(COMMAND, DAC2EncoderControl);
                break;
        }

        args.ucAction = action;
        args.ucDacStandard = ATOM_DAC1_PS2;
        args.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);

        amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));

}

static u8 amdgpu_atombios_encoder_get_bpc(struct drm_encoder *encoder)
{
        int bpc = 8;

        if (encoder->crtc) {
                struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
                bpc = amdgpu_crtc->bpc;
        }

        switch (bpc) {
        case 0:
                return PANEL_BPC_UNDEFINE;
        case 6:
                return PANEL_6BIT_PER_COLOR;
        case 8:
        default:
                return PANEL_8BIT_PER_COLOR;
        case 10:
                return PANEL_10BIT_PER_COLOR;
        case 12:
                return PANEL_12BIT_PER_COLOR;
        case 16:
                return PANEL_16BIT_PER_COLOR;
        }
}

union dvo_encoder_control {
        ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION ext_tmds;
        DVO_ENCODER_CONTROL_PS_ALLOCATION dvo;
        DVO_ENCODER_CONTROL_PS_ALLOCATION_V3 dvo_v3;
        DVO_ENCODER_CONTROL_PS_ALLOCATION_V1_4 dvo_v4;
};

static void
amdgpu_atombios_encoder_setup_dvo(struct drm_encoder *encoder, int action)
{
        struct drm_device *dev = encoder->dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
        union dvo_encoder_control args;
        int index = GetIndexIntoMasterTable(COMMAND, DVOEncoderControl);
        uint8_t frev, crev;

        memset(&args, 0, sizeof(args));

        if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
                return;

        switch (frev) {
        case 1:
                switch (crev) {
                case 1:
                        /* R4xx, R5xx */
                        args.ext_tmds.sXTmdsEncoder.ucEnable = action;

                        if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                args.ext_tmds.sXTmdsEncoder.ucMisc |= PANEL_ENCODER_MISC_DUAL;

                        args.ext_tmds.sXTmdsEncoder.ucMisc |= ATOM_PANEL_MISC_888RGB;
                        break;
                case 2:
                        /* RS600/690/740 */
                        args.dvo.sDVOEncoder.ucAction = action;
                        args.dvo.sDVOEncoder.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
                        /* DFP1, CRT1, TV1 depending on the type of port */
                        args.dvo.sDVOEncoder.ucDeviceType = ATOM_DEVICE_DFP1_INDEX;

                        if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                args.dvo.sDVOEncoder.usDevAttr.sDigAttrib.ucAttribute |= PANEL_ENCODER_MISC_DUAL;
                        break;
                case 3:
                        /* R6xx */
                        args.dvo_v3.ucAction = action;
                        args.dvo_v3.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
                        args.dvo_v3.ucDVOConfig = 0; /* XXX */
                        break;
                case 4:
                        /* DCE8 */
                        args.dvo_v4.ucAction = action;
                        args.dvo_v4.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
                        args.dvo_v4.ucDVOConfig = 0; /* XXX */
                        args.dvo_v4.ucBitPerColor = amdgpu_atombios_encoder_get_bpc(encoder);
                        break;
                default:
                        DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
                        break;
                }
                break;
        default:
                DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
                break;
        }

        amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
}

int amdgpu_atombios_encoder_get_encoder_mode(struct drm_encoder *encoder)
{
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
        struct drm_connector *connector;
        struct amdgpu_connector *amdgpu_connector;
        struct amdgpu_connector_atom_dig *dig_connector;

        /* dp bridges are always DP */
        if (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)
                return ATOM_ENCODER_MODE_DP;

        /* DVO is always DVO */
        if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_DVO1) ||
            (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1))
                return ATOM_ENCODER_MODE_DVO;

        connector = amdgpu_get_connector_for_encoder(encoder);
        /* if we don't have an active device yet, just use one of
         * the connectors tied to the encoder.
         */
        if (!connector)
                connector = amdgpu_get_connector_for_encoder_init(encoder);
        amdgpu_connector = to_amdgpu_connector(connector);

        switch (connector->connector_type) {
        case DRM_MODE_CONNECTOR_DVII:
        case DRM_MODE_CONNECTOR_HDMIB: /* HDMI-B is basically DL-DVI; analog works fine */
                if (amdgpu_audio != 0) {
                        if (amdgpu_connector->use_digital &&
                            (amdgpu_connector->audio == AMDGPU_AUDIO_ENABLE))
                                return ATOM_ENCODER_MODE_HDMI;
                        else if (connector->display_info.is_hdmi &&
                                 (amdgpu_connector->audio == AMDGPU_AUDIO_AUTO))
                                return ATOM_ENCODER_MODE_HDMI;
                        else if (amdgpu_connector->use_digital)
                                return ATOM_ENCODER_MODE_DVI;
                        else
                                return ATOM_ENCODER_MODE_CRT;
                } else if (amdgpu_connector->use_digital) {
                        return ATOM_ENCODER_MODE_DVI;
                } else {
                        return ATOM_ENCODER_MODE_CRT;
                }
                break;
        case DRM_MODE_CONNECTOR_DVID:
        case DRM_MODE_CONNECTOR_HDMIA:
        default:
                if (amdgpu_audio != 0) {
                        if (amdgpu_connector->audio == AMDGPU_AUDIO_ENABLE)
                                return ATOM_ENCODER_MODE_HDMI;
                        else if (connector->display_info.is_hdmi &&
                                 (amdgpu_connector->audio == AMDGPU_AUDIO_AUTO))
                                return ATOM_ENCODER_MODE_HDMI;
                        else
                                return ATOM_ENCODER_MODE_DVI;
                } else {
                        return ATOM_ENCODER_MODE_DVI;
                }
        case DRM_MODE_CONNECTOR_LVDS:
                return ATOM_ENCODER_MODE_LVDS;
        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)) {
                        return ATOM_ENCODER_MODE_DP;
                } else if (amdgpu_audio != 0) {
                        if (amdgpu_connector->audio == AMDGPU_AUDIO_ENABLE)
                                return ATOM_ENCODER_MODE_HDMI;
                        else if (connector->display_info.is_hdmi &&
                                 (amdgpu_connector->audio == AMDGPU_AUDIO_AUTO))
                                return ATOM_ENCODER_MODE_HDMI;
                        else
                                return ATOM_ENCODER_MODE_DVI;
                } else {
                        return ATOM_ENCODER_MODE_DVI;
                }
        case DRM_MODE_CONNECTOR_eDP:
                return ATOM_ENCODER_MODE_DP;
        case DRM_MODE_CONNECTOR_DVIA:
        case DRM_MODE_CONNECTOR_VGA:
                return ATOM_ENCODER_MODE_CRT;
        case DRM_MODE_CONNECTOR_Composite:
        case DRM_MODE_CONNECTOR_SVIDEO:
        case DRM_MODE_CONNECTOR_9PinDIN:
                /* fix me */
                return ATOM_ENCODER_MODE_TV;
        }
}

/*
 * DIG Encoder/Transmitter Setup
 *
 * DCE 6.0
 * - 3 DIG transmitter blocks UNIPHY0/1/2 (links A and B).
 * Supports up to 6 digital outputs
 * - 6 DIG encoder blocks.
 * - DIG to PHY mapping is hardcoded
 * DIG1 drives UNIPHY0 link A, A+B
 * DIG2 drives UNIPHY0 link B
 * DIG3 drives UNIPHY1 link A, A+B
 * DIG4 drives UNIPHY1 link B
 * DIG5 drives UNIPHY2 link A, A+B
 * DIG6 drives UNIPHY2 link B
 *
 * Routing
 * crtc -> dig encoder -> UNIPHY/LVTMA (1 or 2 links)
 * Examples:
 * crtc0 -> dig2 -> LVTMA   links A+B -> TMDS/HDMI
 * crtc1 -> dig1 -> UNIPHY0 link  B   -> DP
 * crtc0 -> dig1 -> UNIPHY2 link  A   -> LVDS
 * crtc1 -> dig2 -> UNIPHY1 link  B+A -> TMDS/HDMI
 */

union dig_encoder_control {
        DIG_ENCODER_CONTROL_PS_ALLOCATION v1;
        DIG_ENCODER_CONTROL_PARAMETERS_V2 v2;
        DIG_ENCODER_CONTROL_PARAMETERS_V3 v3;
        DIG_ENCODER_CONTROL_PARAMETERS_V4 v4;
        DIG_ENCODER_CONTROL_PARAMETERS_V5 v5;
};

void
amdgpu_atombios_encoder_setup_dig_encoder(struct drm_encoder *encoder,
                                   int action, int panel_mode)
{
        struct drm_device *dev = encoder->dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
        struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
        struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
        union dig_encoder_control args;
        int index = GetIndexIntoMasterTable(COMMAND, DIGxEncoderControl);
        uint8_t frev, crev;
        int dp_clock = 0;
        int dp_lane_count = 0;
        int hpd_id = AMDGPU_HPD_NONE;

        if (connector) {
                struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
                struct amdgpu_connector_atom_dig *dig_connector =
                        amdgpu_connector->con_priv;

                dp_clock = dig_connector->dp_clock;
                dp_lane_count = dig_connector->dp_lane_count;
                hpd_id = amdgpu_connector->hpd.hpd;
        }

        /* no dig encoder assigned */
        if (dig->dig_encoder == -1)
                return;

        memset(&args, 0, sizeof(args));

        if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
                return;

        switch (frev) {
        case 1:
                switch (crev) {
                case 1:
                        args.v1.ucAction = action;
                        args.v1.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
                        if (action == ATOM_ENCODER_CMD_SETUP_PANEL_MODE)
                                args.v3.ucPanelMode = panel_mode;
                        else
                                args.v1.ucEncoderMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);

                        if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode))
                                args.v1.ucLaneNum = dp_lane_count;
                        else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                args.v1.ucLaneNum = 8;
                        else
                                args.v1.ucLaneNum = 4;

                        if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode) && (dp_clock == 270000))
                                args.v1.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
                        switch (amdgpu_encoder->encoder_id) {
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
                                args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER1;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
                                args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER2;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
                                args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER3;
                                break;
                        }
                        if (dig->linkb)
                                args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKB;
                        else
                                args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKA;
                        break;
                case 2:
                case 3:
                        args.v3.ucAction = action;
                        args.v3.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
                        if (action == ATOM_ENCODER_CMD_SETUP_PANEL_MODE)
                                args.v3.ucPanelMode = panel_mode;
                        else
                                args.v3.ucEncoderMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);

                        if (ENCODER_MODE_IS_DP(args.v3.ucEncoderMode))
                                args.v3.ucLaneNum = dp_lane_count;
                        else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                args.v3.ucLaneNum = 8;
                        else
                                args.v3.ucLaneNum = 4;

                        if (ENCODER_MODE_IS_DP(args.v3.ucEncoderMode) && (dp_clock == 270000))
                                args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V3_DPLINKRATE_2_70GHZ;
                        args.v3.acConfig.ucDigSel = dig->dig_encoder;
                        args.v3.ucBitPerColor = amdgpu_atombios_encoder_get_bpc(encoder);
                        break;
                case 4:
                        args.v4.ucAction = action;
                        args.v4.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
                        if (action == ATOM_ENCODER_CMD_SETUP_PANEL_MODE)
                                args.v4.ucPanelMode = panel_mode;
                        else
                                args.v4.ucEncoderMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);

                        if (ENCODER_MODE_IS_DP(args.v4.ucEncoderMode))
                                args.v4.ucLaneNum = dp_lane_count;
                        else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                args.v4.ucLaneNum = 8;
                        else
                                args.v4.ucLaneNum = 4;

                        if (ENCODER_MODE_IS_DP(args.v4.ucEncoderMode)) {
                                if (dp_clock == 540000)
                                        args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V4_DPLINKRATE_5_40GHZ;
                                else if (dp_clock == 324000)
                                        args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V4_DPLINKRATE_3_24GHZ;
                                else if (dp_clock == 270000)
                                        args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V4_DPLINKRATE_2_70GHZ;
                                else
                                        args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V4_DPLINKRATE_1_62GHZ;
                        }
                        args.v4.acConfig.ucDigSel = dig->dig_encoder;
                        args.v4.ucBitPerColor = amdgpu_atombios_encoder_get_bpc(encoder);
                        if (hpd_id == AMDGPU_HPD_NONE)
                                args.v4.ucHPD_ID = 0;
                        else
                                args.v4.ucHPD_ID = hpd_id + 1;
                        break;
                case 5:
                        switch (action) {
                        case ATOM_ENCODER_CMD_SETUP_PANEL_MODE:
                                args.v5.asDPPanelModeParam.ucAction = action;
                                args.v5.asDPPanelModeParam.ucPanelMode = panel_mode;
                                args.v5.asDPPanelModeParam.ucDigId = dig->dig_encoder;
                                break;
                        case ATOM_ENCODER_CMD_STREAM_SETUP:
                                args.v5.asStreamParam.ucAction = action;
                                args.v5.asStreamParam.ucDigId = dig->dig_encoder;
                                args.v5.asStreamParam.ucDigMode =
                                        amdgpu_atombios_encoder_get_encoder_mode(encoder);
                                if (ENCODER_MODE_IS_DP(args.v5.asStreamParam.ucDigMode))
                                        args.v5.asStreamParam.ucLaneNum = dp_lane_count;
                                else if (amdgpu_dig_monitor_is_duallink(encoder,
                                                                        amdgpu_encoder->pixel_clock))
                                        args.v5.asStreamParam.ucLaneNum = 8;
                                else
                                        args.v5.asStreamParam.ucLaneNum = 4;
                                args.v5.asStreamParam.ulPixelClock =
                                        cpu_to_le32(amdgpu_encoder->pixel_clock / 10);
                                args.v5.asStreamParam.ucBitPerColor =
                                        amdgpu_atombios_encoder_get_bpc(encoder);
                                args.v5.asStreamParam.ucLinkRateIn270Mhz = dp_clock / 27000;
                                break;
                        case ATOM_ENCODER_CMD_DP_LINK_TRAINING_START:
                        case ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN1:
                        case ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN2:
                        case ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN3:
                        case ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN4:
                        case ATOM_ENCODER_CMD_DP_LINK_TRAINING_COMPLETE:
                        case ATOM_ENCODER_CMD_DP_VIDEO_OFF:
                        case ATOM_ENCODER_CMD_DP_VIDEO_ON:
                                args.v5.asCmdParam.ucAction = action;
                                args.v5.asCmdParam.ucDigId = dig->dig_encoder;
                                break;
                        default:
                                DRM_ERROR("Unsupported action 0x%x\n", action);
                                break;
                        }
                        break;
                default:
                        DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
                        break;
                }
                break;
        default:
                DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
                break;
        }

        amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));

}

union dig_transmitter_control {
        DIG_TRANSMITTER_CONTROL_PS_ALLOCATION v1;
        DIG_TRANSMITTER_CONTROL_PARAMETERS_V2 v2;
        DIG_TRANSMITTER_CONTROL_PARAMETERS_V3 v3;
        DIG_TRANSMITTER_CONTROL_PARAMETERS_V4 v4;
        DIG_TRANSMITTER_CONTROL_PARAMETERS_V1_5 v5;
        DIG_TRANSMITTER_CONTROL_PARAMETERS_V1_6 v6;
};

void
amdgpu_atombios_encoder_setup_dig_transmitter(struct drm_encoder *encoder, int action,
                                              uint8_t lane_num, uint8_t lane_set)
{
        struct drm_device *dev = encoder->dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
        struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
        struct drm_connector *connector;
        union dig_transmitter_control args;
        int index = 0;
        uint8_t frev, crev;
        bool is_dp = false;
        int pll_id = 0;
        int dp_clock = 0;
        int dp_lane_count = 0;
        int connector_object_id = 0;
        int dig_encoder = dig->dig_encoder;
        int hpd_id = AMDGPU_HPD_NONE;

        if (action == ATOM_TRANSMITTER_ACTION_INIT) {
                connector = amdgpu_get_connector_for_encoder_init(encoder);
                /* just needed to avoid bailing in the encoder check.  the encoder
                 * isn't used for init
                 */
                dig_encoder = 0;
        } else
                connector = amdgpu_get_connector_for_encoder(encoder);

        if (connector) {
                struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
                struct amdgpu_connector_atom_dig *dig_connector =
                        amdgpu_connector->con_priv;

                hpd_id = amdgpu_connector->hpd.hpd;
                dp_clock = dig_connector->dp_clock;
                dp_lane_count = dig_connector->dp_lane_count;
                connector_object_id =
                        (amdgpu_connector->connector_object_id & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
        }

        if (encoder->crtc) {
                struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
                pll_id = amdgpu_crtc->pll_id;
        }

        /* no dig encoder assigned */
        if (dig_encoder == -1)
                return;

        if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(encoder)))
                is_dp = true;

        memset(&args, 0, sizeof(args));

        switch (amdgpu_encoder->encoder_id) {
        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
                index = GetIndexIntoMasterTable(COMMAND, DVOOutputControl);
                break;
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
                index = GetIndexIntoMasterTable(COMMAND, UNIPHYTransmitterControl);
                break;
        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
                index = GetIndexIntoMasterTable(COMMAND, LVTMATransmitterControl);
                break;
        }

        if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
                return;

        switch (frev) {
        case 1:
                switch (crev) {
                case 1:
                        args.v1.ucAction = action;
                        if (action == ATOM_TRANSMITTER_ACTION_INIT) {
                                args.v1.usInitInfo = cpu_to_le16(connector_object_id);
                        } else if (action == ATOM_TRANSMITTER_ACTION_SETUP_VSEMPH) {
                                args.v1.asMode.ucLaneSel = lane_num;
                                args.v1.asMode.ucLaneSet = lane_set;
                        } else {
                                if (is_dp)
                                        args.v1.usPixelClock = cpu_to_le16(dp_clock / 10);
                                else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                        args.v1.usPixelClock = cpu_to_le16((amdgpu_encoder->pixel_clock / 2) / 10);
                                else
                                        args.v1.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
                        }

                        args.v1.ucConfig = ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL;

                        if (dig_encoder)
                                args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG2_ENCODER;
                        else
                                args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG1_ENCODER;

                        if (dig->linkb)
                                args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LINKB;
                        else
                                args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LINKA;

                        if (is_dp)
                                args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_COHERENT;
                        else if (amdgpu_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
                                if (dig->coherent_mode)
                                        args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_COHERENT;
                                if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                        args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_8LANE_LINK;
                        }
                        break;
                case 2:
                        args.v2.ucAction = action;
                        if (action == ATOM_TRANSMITTER_ACTION_INIT) {
                                args.v2.usInitInfo = cpu_to_le16(connector_object_id);
                        } else if (action == ATOM_TRANSMITTER_ACTION_SETUP_VSEMPH) {
                                args.v2.asMode.ucLaneSel = lane_num;
                                args.v2.asMode.ucLaneSet = lane_set;
                        } else {
                                if (is_dp)
                                        args.v2.usPixelClock = cpu_to_le16(dp_clock / 10);
                                else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                        args.v2.usPixelClock = cpu_to_le16((amdgpu_encoder->pixel_clock / 2) / 10);
                                else
                                        args.v2.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
                        }

                        args.v2.acConfig.ucEncoderSel = dig_encoder;
                        if (dig->linkb)
                                args.v2.acConfig.ucLinkSel = 1;

                        switch (amdgpu_encoder->encoder_id) {
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
                                args.v2.acConfig.ucTransmitterSel = 0;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
                                args.v2.acConfig.ucTransmitterSel = 1;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
                                args.v2.acConfig.ucTransmitterSel = 2;
                                break;
                        }

                        if (is_dp) {
                                args.v2.acConfig.fCoherentMode = 1;
                                args.v2.acConfig.fDPConnector = 1;
                        } else if (amdgpu_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
                                if (dig->coherent_mode)
                                        args.v2.acConfig.fCoherentMode = 1;
                                if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                        args.v2.acConfig.fDualLinkConnector = 1;
                        }
                        break;
                case 3:
                        args.v3.ucAction = action;
                        if (action == ATOM_TRANSMITTER_ACTION_INIT) {
                                args.v3.usInitInfo = cpu_to_le16(connector_object_id);
                        } else if (action == ATOM_TRANSMITTER_ACTION_SETUP_VSEMPH) {
                                args.v3.asMode.ucLaneSel = lane_num;
                                args.v3.asMode.ucLaneSet = lane_set;
                        } else {
                                if (is_dp)
                                        args.v3.usPixelClock = cpu_to_le16(dp_clock / 10);
                                else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                        args.v3.usPixelClock = cpu_to_le16((amdgpu_encoder->pixel_clock / 2) / 10);
                                else
                                        args.v3.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
                        }

                        if (is_dp)
                                args.v3.ucLaneNum = dp_lane_count;
                        else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                args.v3.ucLaneNum = 8;
                        else
                                args.v3.ucLaneNum = 4;

                        if (dig->linkb)
                                args.v3.acConfig.ucLinkSel = 1;
                        if (dig_encoder & 1)
                                args.v3.acConfig.ucEncoderSel = 1;

                        /* Select the PLL for the PHY
                         * DP PHY should be clocked from external src if there is
                         * one.
                         */
                        /* On DCE4, if there is an external clock, it generates the DP ref clock */
                        if (is_dp && adev->clock.dp_extclk)
                                args.v3.acConfig.ucRefClkSource = 2; /* external src */
                        else
                                args.v3.acConfig.ucRefClkSource = pll_id;

                        switch (amdgpu_encoder->encoder_id) {
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
                                args.v3.acConfig.ucTransmitterSel = 0;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
                                args.v3.acConfig.ucTransmitterSel = 1;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
                                args.v3.acConfig.ucTransmitterSel = 2;
                                break;
                        }

                        if (is_dp)
                                args.v3.acConfig.fCoherentMode = 1; /* DP requires coherent */
                        else if (amdgpu_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
                                if (dig->coherent_mode)
                                        args.v3.acConfig.fCoherentMode = 1;
                                if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                        args.v3.acConfig.fDualLinkConnector = 1;
                        }
                        break;
                case 4:
                        args.v4.ucAction = action;
                        if (action == ATOM_TRANSMITTER_ACTION_INIT) {
                                args.v4.usInitInfo = cpu_to_le16(connector_object_id);
                        } else if (action == ATOM_TRANSMITTER_ACTION_SETUP_VSEMPH) {
                                args.v4.asMode.ucLaneSel = lane_num;
                                args.v4.asMode.ucLaneSet = lane_set;
                        } else {
                                if (is_dp)
                                        args.v4.usPixelClock = cpu_to_le16(dp_clock / 10);
                                else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                        args.v4.usPixelClock = cpu_to_le16((amdgpu_encoder->pixel_clock / 2) / 10);
                                else
                                        args.v4.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
                        }

                        if (is_dp)
                                args.v4.ucLaneNum = dp_lane_count;
                        else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                args.v4.ucLaneNum = 8;
                        else
                                args.v4.ucLaneNum = 4;

                        if (dig->linkb)
                                args.v4.acConfig.ucLinkSel = 1;
                        if (dig_encoder & 1)
                                args.v4.acConfig.ucEncoderSel = 1;

                        /* Select the PLL for the PHY
                         * DP PHY should be clocked from external src if there is
                         * one.
                         */
                        /* On DCE5 DCPLL usually generates the DP ref clock */
                        if (is_dp) {
                                if (adev->clock.dp_extclk)
                                        args.v4.acConfig.ucRefClkSource = ENCODER_REFCLK_SRC_EXTCLK;
                                else
                                        args.v4.acConfig.ucRefClkSource = ENCODER_REFCLK_SRC_DCPLL;
                        } else
                                args.v4.acConfig.ucRefClkSource = pll_id;

                        switch (amdgpu_encoder->encoder_id) {
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
                                args.v4.acConfig.ucTransmitterSel = 0;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
                                args.v4.acConfig.ucTransmitterSel = 1;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
                                args.v4.acConfig.ucTransmitterSel = 2;
                                break;
                        }

                        if (is_dp)
                                args.v4.acConfig.fCoherentMode = 1; /* DP requires coherent */
                        else if (amdgpu_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
                                if (dig->coherent_mode)
                                        args.v4.acConfig.fCoherentMode = 1;
                                if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                        args.v4.acConfig.fDualLinkConnector = 1;
                        }
                        break;
                case 5:
                        args.v5.ucAction = action;
                        if (is_dp)
                                args.v5.usSymClock = cpu_to_le16(dp_clock / 10);
                        else
                                args.v5.usSymClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);

                        switch (amdgpu_encoder->encoder_id) {
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
                                if (dig->linkb)
                                        args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYB;
                                else
                                        args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYA;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
                                if (dig->linkb)
                                        args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYD;
                                else
                                        args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYC;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
                                if (dig->linkb)
                                        args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYF;
                                else
                                        args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYE;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
                                args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYG;
                                break;
                        }
                        if (is_dp)
                                args.v5.ucLaneNum = dp_lane_count;
                        else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                args.v5.ucLaneNum = 8;
                        else
                                args.v5.ucLaneNum = 4;
                        args.v5.ucConnObjId = connector_object_id;
                        args.v5.ucDigMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);

                        if (is_dp && adev->clock.dp_extclk)
                                args.v5.asConfig.ucPhyClkSrcId = ENCODER_REFCLK_SRC_EXTCLK;
                        else
                                args.v5.asConfig.ucPhyClkSrcId = pll_id;

                        if (is_dp)
                                args.v5.asConfig.ucCoherentMode = 1; /* DP requires coherent */
                        else if (amdgpu_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
                                if (dig->coherent_mode)
                                        args.v5.asConfig.ucCoherentMode = 1;
                        }
                        if (hpd_id == AMDGPU_HPD_NONE)
                                args.v5.asConfig.ucHPDSel = 0;
                        else
                                args.v5.asConfig.ucHPDSel = hpd_id + 1;
                        args.v5.ucDigEncoderSel = 1 << dig_encoder;
                        args.v5.ucDPLaneSet = lane_set;
                        break;
                case 6:
                        args.v6.ucAction = action;
                        if (is_dp)
                                args.v6.ulSymClock = cpu_to_le32(dp_clock / 10);
                        else
                                args.v6.ulSymClock = cpu_to_le32(amdgpu_encoder->pixel_clock / 10);

                        switch (amdgpu_encoder->encoder_id) {
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
                                if (dig->linkb)
                                        args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYB;
                                else
                                        args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYA;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
                                if (dig->linkb)
                                        args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYD;
                                else
                                        args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYC;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
                                if (dig->linkb)
                                        args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYF;
                                else
                                        args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYE;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
                                args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYG;
                                break;
                        }
                        if (is_dp)
                                args.v6.ucLaneNum = dp_lane_count;
                        else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                args.v6.ucLaneNum = 8;
                        else
                                args.v6.ucLaneNum = 4;
                        args.v6.ucConnObjId = connector_object_id;
                        if (action == ATOM_TRANSMITTER_ACTION_SETUP_VSEMPH)
                                args.v6.ucDPLaneSet = lane_set;
                        else
                                args.v6.ucDigMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);

                        if (hpd_id == AMDGPU_HPD_NONE)
                                args.v6.ucHPDSel = 0;
                        else
                                args.v6.ucHPDSel = hpd_id + 1;
                        args.v6.ucDigEncoderSel = 1 << dig_encoder;
                        break;
                default:
                        DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
                        break;
                }
                break;
        default:
                DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
                break;
        }

        amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
}

bool
amdgpu_atombios_encoder_set_edp_panel_power(struct drm_connector *connector,
                                     int action)
{
        struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
        struct drm_device *dev = amdgpu_connector->base.dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        union dig_transmitter_control args;
        int index = GetIndexIntoMasterTable(COMMAND, UNIPHYTransmitterControl);
        uint8_t frev, crev;

        if (connector->connector_type != DRM_MODE_CONNECTOR_eDP)
                goto done;

        if ((action != ATOM_TRANSMITTER_ACTION_POWER_ON) &&
            (action != ATOM_TRANSMITTER_ACTION_POWER_OFF))
                goto done;

        if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
                goto done;

        memset(&args, 0, sizeof(args));

        args.v1.ucAction = action;

        amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));

        /* wait for the panel to power up */
        if (action == ATOM_TRANSMITTER_ACTION_POWER_ON) {
                int i;

                for (i = 0; i < 300; i++) {
                        if (amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd))
                                return true;
                        mdelay(1);
                }
                return false;
        }
done:
        return true;
}

union external_encoder_control {
        EXTERNAL_ENCODER_CONTROL_PS_ALLOCATION v1;
        EXTERNAL_ENCODER_CONTROL_PS_ALLOCATION_V3 v3;
};

static void
amdgpu_atombios_encoder_setup_external_encoder(struct drm_encoder *encoder,
                                        struct drm_encoder *ext_encoder,
                                        int action)
{
        struct drm_device *dev = encoder->dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
        struct amdgpu_encoder *ext_amdgpu_encoder = to_amdgpu_encoder(ext_encoder);
        union external_encoder_control args;
        struct drm_connector *connector;
        int index = GetIndexIntoMasterTable(COMMAND, ExternalEncoderControl);
        u8 frev, crev;
        int dp_clock = 0;
        int dp_lane_count = 0;
        int connector_object_id = 0;
        u32 ext_enum = (ext_amdgpu_encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;

        if (action == EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT)
                connector = amdgpu_get_connector_for_encoder_init(encoder);
        else
                connector = amdgpu_get_connector_for_encoder(encoder);

        if (connector) {
                struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
                struct amdgpu_connector_atom_dig *dig_connector =
                        amdgpu_connector->con_priv;

                dp_clock = dig_connector->dp_clock;
                dp_lane_count = dig_connector->dp_lane_count;
                connector_object_id =
                        (amdgpu_connector->connector_object_id & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
        }

        memset(&args, 0, sizeof(args));

        if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
                return;

        switch (frev) {
        case 1:
                /* no params on frev 1 */
                break;
        case 2:
                switch (crev) {
                case 1:
                case 2:
                        args.v1.sDigEncoder.ucAction = action;
                        args.v1.sDigEncoder.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
                        args.v1.sDigEncoder.ucEncoderMode =
                                amdgpu_atombios_encoder_get_encoder_mode(encoder);

                        if (ENCODER_MODE_IS_DP(args.v1.sDigEncoder.ucEncoderMode)) {
                                if (dp_clock == 270000)
                                        args.v1.sDigEncoder.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
                                args.v1.sDigEncoder.ucLaneNum = dp_lane_count;
                        } else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                args.v1.sDigEncoder.ucLaneNum = 8;
                        else
                                args.v1.sDigEncoder.ucLaneNum = 4;
                        break;
                case 3:
                        args.v3.sExtEncoder.ucAction = action;
                        if (action == EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT)
                                args.v3.sExtEncoder.usConnectorId = cpu_to_le16(connector_object_id);
                        else
                                args.v3.sExtEncoder.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
                        args.v3.sExtEncoder.ucEncoderMode =
                                amdgpu_atombios_encoder_get_encoder_mode(encoder);

                        if (ENCODER_MODE_IS_DP(args.v3.sExtEncoder.ucEncoderMode)) {
                                if (dp_clock == 270000)
                                        args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_DPLINKRATE_2_70GHZ;
                                else if (dp_clock == 540000)
                                        args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_DPLINKRATE_5_40GHZ;
                                args.v3.sExtEncoder.ucLaneNum = dp_lane_count;
                        } else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
                                args.v3.sExtEncoder.ucLaneNum = 8;
                        else
                                args.v3.sExtEncoder.ucLaneNum = 4;
                        switch (ext_enum) {
                        case GRAPH_OBJECT_ENUM_ID1:
                                args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_ENCODER1;
                                break;
                        case GRAPH_OBJECT_ENUM_ID2:
                                args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_ENCODER2;
                                break;
                        case GRAPH_OBJECT_ENUM_ID3:
                                args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_ENCODER3;
                                break;
                        }
                        args.v3.sExtEncoder.ucBitPerColor = amdgpu_atombios_encoder_get_bpc(encoder);
                        break;
                default:
                        DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);
                        return;
                }
                break;
        default:
                DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);
                return;
        }
        amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
}

static void
amdgpu_atombios_encoder_setup_dig(struct drm_encoder *encoder, int action)
{
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
        struct drm_encoder *ext_encoder = amdgpu_get_external_encoder(encoder);
        struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
        struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
        struct amdgpu_connector *amdgpu_connector = NULL;
        struct amdgpu_connector_atom_dig *amdgpu_dig_connector = NULL;

        if (connector) {
                amdgpu_connector = to_amdgpu_connector(connector);
                amdgpu_dig_connector = amdgpu_connector->con_priv;
        }

        if (action == ATOM_ENABLE) {
                if (!connector)
                        dig->panel_mode = DP_PANEL_MODE_EXTERNAL_DP_MODE;
                else
                        dig->panel_mode = amdgpu_atombios_dp_get_panel_mode(encoder, connector);

                /* setup and enable the encoder */
                amdgpu_atombios_encoder_setup_dig_encoder(encoder, ATOM_ENCODER_CMD_SETUP, 0);
                amdgpu_atombios_encoder_setup_dig_encoder(encoder,
                                                   ATOM_ENCODER_CMD_SETUP_PANEL_MODE,
                                                   dig->panel_mode);
                if (ext_encoder)
                        amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder,
                                                                EXTERNAL_ENCODER_ACTION_V3_ENCODER_SETUP);
                if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(encoder)) &&
                    connector) {
                        if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
                                amdgpu_atombios_encoder_set_edp_panel_power(connector,
                                                                     ATOM_TRANSMITTER_ACTION_POWER_ON);
                                amdgpu_dig_connector->edp_on = true;
                        }
                }
                /* enable the transmitter */
                amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
                                                       ATOM_TRANSMITTER_ACTION_ENABLE,
                                                       0, 0);
                if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(encoder)) &&
                    connector) {
                        /* DP_SET_POWER_D0 is set in amdgpu_atombios_dp_link_train */
                        amdgpu_atombios_dp_link_train(encoder, connector);
                        amdgpu_atombios_encoder_setup_dig_encoder(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0);
                }
                if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
                        amdgpu_atombios_encoder_set_backlight_level(amdgpu_encoder, dig->backlight_level);
                if (ext_encoder)
                        amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder, ATOM_ENABLE);
        } else {
                if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(encoder)) &&
                    connector)
                        amdgpu_atombios_encoder_setup_dig_encoder(encoder,
                                                           ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0);
                if (ext_encoder)
                        amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder, ATOM_DISABLE);
                if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
                        amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
                                                               ATOM_TRANSMITTER_ACTION_LCD_BLOFF, 0, 0);

                if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(encoder)) &&
                    connector)
                        amdgpu_atombios_dp_set_rx_power_state(connector, DP_SET_POWER_D3);
                /* disable the transmitter */
                amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
                                                       ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
                if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(encoder)) &&
                    connector) {
                        if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
                                amdgpu_atombios_encoder_set_edp_panel_power(connector,
                                                                     ATOM_TRANSMITTER_ACTION_POWER_OFF);
                                amdgpu_dig_connector->edp_on = false;
                        }
                }
        }
}

void
amdgpu_atombios_encoder_dpms(struct drm_encoder *encoder, int mode)
{
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);

        DRM_DEBUG_KMS("encoder dpms %d to mode %d, devices %08x, active_devices %08x\n",
                  amdgpu_encoder->encoder_id, mode, amdgpu_encoder->devices,
                  amdgpu_encoder->active_device);
        switch (amdgpu_encoder->encoder_id) {
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
                switch (mode) {
                case DRM_MODE_DPMS_ON:
                        amdgpu_atombios_encoder_setup_dig(encoder, ATOM_ENABLE);
                        break;
                case DRM_MODE_DPMS_STANDBY:
                case DRM_MODE_DPMS_SUSPEND:
                case DRM_MODE_DPMS_OFF:
                        amdgpu_atombios_encoder_setup_dig(encoder, ATOM_DISABLE);
                        break;
                }
                break;
        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
                switch (mode) {
                case DRM_MODE_DPMS_ON:
                        amdgpu_atombios_encoder_setup_dvo(encoder, ATOM_ENABLE);
                        break;
                case DRM_MODE_DPMS_STANDBY:
                case DRM_MODE_DPMS_SUSPEND:
                case DRM_MODE_DPMS_OFF:
                        amdgpu_atombios_encoder_setup_dvo(encoder, ATOM_DISABLE);
                        break;
                }
                break;
        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
                switch (mode) {
                case DRM_MODE_DPMS_ON:
                        amdgpu_atombios_encoder_setup_dac(encoder, ATOM_ENABLE);
                        break;
                case DRM_MODE_DPMS_STANDBY:
                case DRM_MODE_DPMS_SUSPEND:
                case DRM_MODE_DPMS_OFF:
                        amdgpu_atombios_encoder_setup_dac(encoder, ATOM_DISABLE);
                        break;
                }
                break;
        default:
                return;
        }
}

union crtc_source_param {
        SELECT_CRTC_SOURCE_PS_ALLOCATION v1;
        SELECT_CRTC_SOURCE_PARAMETERS_V2 v2;
        SELECT_CRTC_SOURCE_PARAMETERS_V3 v3;
};

void
amdgpu_atombios_encoder_set_crtc_source(struct drm_encoder *encoder)
{
        struct drm_device *dev = encoder->dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
        struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
        union crtc_source_param args;
        int index = GetIndexIntoMasterTable(COMMAND, SelectCRTC_Source);
        uint8_t frev, crev;
        struct amdgpu_encoder_atom_dig *dig;

        memset(&args, 0, sizeof(args));

        if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
                return;

        switch (frev) {
        case 1:
                switch (crev) {
                case 1:
                default:
                        args.v1.ucCRTC = amdgpu_crtc->crtc_id;
                        switch (amdgpu_encoder->encoder_id) {
                        case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
                                args.v1.ucDevice = ATOM_DEVICE_DFP1_INDEX;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_LVDS:
                        case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
                                if (amdgpu_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT)
                                        args.v1.ucDevice = ATOM_DEVICE_LCD1_INDEX;
                                else
                                        args.v1.ucDevice = ATOM_DEVICE_DFP3_INDEX;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_DVO1:
                        case ENCODER_OBJECT_ID_INTERNAL_DDI:
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
                                args.v1.ucDevice = ATOM_DEVICE_DFP2_INDEX;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_DAC1:
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
                                if (amdgpu_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
                                        args.v1.ucDevice = ATOM_DEVICE_TV1_INDEX;
                                else if (amdgpu_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
                                        args.v1.ucDevice = ATOM_DEVICE_CV_INDEX;
                                else
                                        args.v1.ucDevice = ATOM_DEVICE_CRT1_INDEX;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_DAC2:
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
                                if (amdgpu_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
                                        args.v1.ucDevice = ATOM_DEVICE_TV1_INDEX;
                                else if (amdgpu_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
                                        args.v1.ucDevice = ATOM_DEVICE_CV_INDEX;
                                else
                                        args.v1.ucDevice = ATOM_DEVICE_CRT2_INDEX;
                                break;
                        }
                        break;
                case 2:
                        args.v2.ucCRTC = amdgpu_crtc->crtc_id;
                        if (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE) {
                                struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);

                                if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
                                        args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS;
                                else if (connector->connector_type == DRM_MODE_CONNECTOR_VGA)
                                        args.v2.ucEncodeMode = ATOM_ENCODER_MODE_CRT;
                                else
                                        args.v2.ucEncodeMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);
                        } else if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
                                args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS;
                        } else {
                                args.v2.ucEncodeMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);
                        }
                        switch (amdgpu_encoder->encoder_id) {
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
                                dig = amdgpu_encoder->enc_priv;
                                switch (dig->dig_encoder) {
                                case 0:
                                        args.v2.ucEncoderID = ASIC_INT_DIG1_ENCODER_ID;
                                        break;
                                case 1:
                                        args.v2.ucEncoderID = ASIC_INT_DIG2_ENCODER_ID;
                                        break;
                                case 2:
                                        args.v2.ucEncoderID = ASIC_INT_DIG3_ENCODER_ID;
                                        break;
                                case 3:
                                        args.v2.ucEncoderID = ASIC_INT_DIG4_ENCODER_ID;
                                        break;
                                case 4:
                                        args.v2.ucEncoderID = ASIC_INT_DIG5_ENCODER_ID;
                                        break;
                                case 5:
                                        args.v2.ucEncoderID = ASIC_INT_DIG6_ENCODER_ID;
                                        break;
                                case 6:
                                        args.v2.ucEncoderID = ASIC_INT_DIG7_ENCODER_ID;
                                        break;
                                }
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
                                args.v2.ucEncoderID = ASIC_INT_DVO_ENCODER_ID;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
                                if (amdgpu_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
                                        args.v2.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
                                else if (amdgpu_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
                                        args.v2.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
                                else
                                        args.v2.ucEncoderID = ASIC_INT_DAC1_ENCODER_ID;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
                                if (amdgpu_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
                                        args.v2.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
                                else if (amdgpu_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
                                        args.v2.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
                                else
                                        args.v2.ucEncoderID = ASIC_INT_DAC2_ENCODER_ID;
                                break;
                        }
                        break;
                case 3:
                        args.v3.ucCRTC = amdgpu_crtc->crtc_id;
                        if (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE) {
                                struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);

                                if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
                                        args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS;
                                else if (connector->connector_type == DRM_MODE_CONNECTOR_VGA)
                                        args.v2.ucEncodeMode = ATOM_ENCODER_MODE_CRT;
                                else
                                        args.v2.ucEncodeMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);
                        } else if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
                                args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS;
                        } else {
                                args.v2.ucEncodeMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);
                        }
                        args.v3.ucDstBpc = amdgpu_atombios_encoder_get_bpc(encoder);
                        switch (amdgpu_encoder->encoder_id) {
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
                        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
                                dig = amdgpu_encoder->enc_priv;
                                switch (dig->dig_encoder) {
                                case 0:
                                        args.v3.ucEncoderID = ASIC_INT_DIG1_ENCODER_ID;
                                        break;
                                case 1:
                                        args.v3.ucEncoderID = ASIC_INT_DIG2_ENCODER_ID;
                                        break;
                                case 2:
                                        args.v3.ucEncoderID = ASIC_INT_DIG3_ENCODER_ID;
                                        break;
                                case 3:
                                        args.v3.ucEncoderID = ASIC_INT_DIG4_ENCODER_ID;
                                        break;
                                case 4:
                                        args.v3.ucEncoderID = ASIC_INT_DIG5_ENCODER_ID;
                                        break;
                                case 5:
                                        args.v3.ucEncoderID = ASIC_INT_DIG6_ENCODER_ID;
                                        break;
                                case 6:
                                        args.v3.ucEncoderID = ASIC_INT_DIG7_ENCODER_ID;
                                        break;
                                }
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
                                args.v3.ucEncoderID = ASIC_INT_DVO_ENCODER_ID;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
                                if (amdgpu_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
                                        args.v3.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
                                else if (amdgpu_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
                                        args.v3.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
                                else
                                        args.v3.ucEncoderID = ASIC_INT_DAC1_ENCODER_ID;
                                break;
                        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
                                if (amdgpu_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
                                        args.v3.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
                                else if (amdgpu_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
                                        args.v3.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
                                else
                                        args.v3.ucEncoderID = ASIC_INT_DAC2_ENCODER_ID;
                                break;
                        }
                        break;
                }
                break;
        default:
                DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);
                return;
        }

        amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));
}

/* This only needs to be called once at startup */
void
amdgpu_atombios_encoder_init_dig(struct amdgpu_device *adev)
{
        struct drm_device *dev = adev_to_drm(adev);
        struct drm_encoder *encoder;

        list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
                struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
                struct drm_encoder *ext_encoder = amdgpu_get_external_encoder(encoder);

                switch (amdgpu_encoder->encoder_id) {
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
                        amdgpu_atombios_encoder_setup_dig_transmitter(encoder, ATOM_TRANSMITTER_ACTION_INIT,
                                                               0, 0);
                        break;
                }

                if (ext_encoder)
                        amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder,
                                                                EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT);
        }
}

static bool
amdgpu_atombios_encoder_dac_load_detect(struct drm_encoder *encoder,
                                 struct drm_connector *connector)
{
        struct drm_device *dev = encoder->dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
        struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);

        if (amdgpu_encoder->devices & (ATOM_DEVICE_TV_SUPPORT |
                                       ATOM_DEVICE_CV_SUPPORT |
                                       ATOM_DEVICE_CRT_SUPPORT)) {
                DAC_LOAD_DETECTION_PS_ALLOCATION args;
                int index = GetIndexIntoMasterTable(COMMAND, DAC_LoadDetection);
                uint8_t frev, crev;

                memset(&args, 0, sizeof(args));

                if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
                        return false;

                args.sDacload.ucMisc = 0;

                if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_DAC1) ||
                    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1))
                        args.sDacload.ucDacType = ATOM_DAC_A;
                else
                        args.sDacload.ucDacType = ATOM_DAC_B;

                if (amdgpu_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)
                        args.sDacload.usDeviceID = cpu_to_le16(ATOM_DEVICE_CRT1_SUPPORT);
                else if (amdgpu_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)
                        args.sDacload.usDeviceID = cpu_to_le16(ATOM_DEVICE_CRT2_SUPPORT);
                else if (amdgpu_connector->devices & ATOM_DEVICE_CV_SUPPORT) {
                        args.sDacload.usDeviceID = cpu_to_le16(ATOM_DEVICE_CV_SUPPORT);
                        if (crev >= 3)
                                args.sDacload.ucMisc = DAC_LOAD_MISC_YPrPb;
                } else if (amdgpu_connector->devices & ATOM_DEVICE_TV1_SUPPORT) {
                        args.sDacload.usDeviceID = cpu_to_le16(ATOM_DEVICE_TV1_SUPPORT);
                        if (crev >= 3)
                                args.sDacload.ucMisc = DAC_LOAD_MISC_YPrPb;
                }

                amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, sizeof(args));

                return true;
        } else
                return false;
}

enum drm_connector_status
amdgpu_atombios_encoder_dac_detect(struct drm_encoder *encoder,
                            struct drm_connector *connector)
{
        struct drm_device *dev = encoder->dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
        struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
        uint32_t bios_0_scratch;

        if (!amdgpu_atombios_encoder_dac_load_detect(encoder, connector)) {
                DRM_DEBUG_KMS("detect returned false\n");
                return connector_status_unknown;
        }

        bios_0_scratch = RREG32(mmBIOS_SCRATCH_0);

        DRM_DEBUG_KMS("Bios 0 scratch %x %08x\n", bios_0_scratch, amdgpu_encoder->devices);
        if (amdgpu_connector->devices & ATOM_DEVICE_CRT1_SUPPORT) {
                if (bios_0_scratch & ATOM_S0_CRT1_MASK)
                        return connector_status_connected;
        }
        if (amdgpu_connector->devices & ATOM_DEVICE_CRT2_SUPPORT) {
                if (bios_0_scratch & ATOM_S0_CRT2_MASK)
                        return connector_status_connected;
        }
        if (amdgpu_connector->devices & ATOM_DEVICE_CV_SUPPORT) {
                if (bios_0_scratch & (ATOM_S0_CV_MASK|ATOM_S0_CV_MASK_A))
                        return connector_status_connected;
        }
        if (amdgpu_connector->devices & ATOM_DEVICE_TV1_SUPPORT) {
                if (bios_0_scratch & (ATOM_S0_TV1_COMPOSITE | ATOM_S0_TV1_COMPOSITE_A))
                        return connector_status_connected; /* CTV */
                else if (bios_0_scratch & (ATOM_S0_TV1_SVIDEO | ATOM_S0_TV1_SVIDEO_A))
                        return connector_status_connected; /* STV */
        }
        return connector_status_disconnected;
}

enum drm_connector_status
amdgpu_atombios_encoder_dig_detect(struct drm_encoder *encoder,
                            struct drm_connector *connector)
{
        struct drm_device *dev = encoder->dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
        struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
        struct drm_encoder *ext_encoder = amdgpu_get_external_encoder(encoder);
        u32 bios_0_scratch;

        if (!ext_encoder)
                return connector_status_unknown;

        if ((amdgpu_connector->devices & ATOM_DEVICE_CRT_SUPPORT) == 0)
                return connector_status_unknown;

        /* load detect on the dp bridge */
        amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder,
                                                EXTERNAL_ENCODER_ACTION_V3_DACLOAD_DETECTION);

        bios_0_scratch = RREG32(mmBIOS_SCRATCH_0);

        DRM_DEBUG_KMS("Bios 0 scratch %x %08x\n", bios_0_scratch, amdgpu_encoder->devices);
        if (amdgpu_connector->devices & ATOM_DEVICE_CRT1_SUPPORT) {
                if (bios_0_scratch & ATOM_S0_CRT1_MASK)
                        return connector_status_connected;
        }
        if (amdgpu_connector->devices & ATOM_DEVICE_CRT2_SUPPORT) {
                if (bios_0_scratch & ATOM_S0_CRT2_MASK)
                        return connector_status_connected;
        }
        if (amdgpu_connector->devices & ATOM_DEVICE_CV_SUPPORT) {
                if (bios_0_scratch & (ATOM_S0_CV_MASK|ATOM_S0_CV_MASK_A))
                        return connector_status_connected;
        }
        if (amdgpu_connector->devices & ATOM_DEVICE_TV1_SUPPORT) {
                if (bios_0_scratch & (ATOM_S0_TV1_COMPOSITE | ATOM_S0_TV1_COMPOSITE_A))
                        return connector_status_connected; /* CTV */
                else if (bios_0_scratch & (ATOM_S0_TV1_SVIDEO | ATOM_S0_TV1_SVIDEO_A))
                        return connector_status_connected; /* STV */
        }
        return connector_status_disconnected;
}

void
amdgpu_atombios_encoder_setup_ext_encoder_ddc(struct drm_encoder *encoder)
{
        struct drm_encoder *ext_encoder = amdgpu_get_external_encoder(encoder);

        if (ext_encoder)
                /* ddc_setup on the dp bridge */
                amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder,
                                                        EXTERNAL_ENCODER_ACTION_V3_DDC_SETUP);

}

void
amdgpu_atombios_encoder_set_bios_scratch_regs(struct drm_connector *connector,
                                       struct drm_encoder *encoder,
                                       bool connected)
{
        struct drm_device *dev = connector->dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct amdgpu_connector *amdgpu_connector =
            to_amdgpu_connector(connector);
        struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
        uint32_t bios_0_scratch, bios_3_scratch, bios_6_scratch;

        bios_0_scratch = RREG32(mmBIOS_SCRATCH_0);
        bios_3_scratch = RREG32(mmBIOS_SCRATCH_3);
        bios_6_scratch = RREG32(mmBIOS_SCRATCH_6);

        if ((amdgpu_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
            (amdgpu_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
                if (connected) {
                        DRM_DEBUG_KMS("LCD1 connected\n");
                        bios_0_scratch |= ATOM_S0_LCD1;
                        bios_3_scratch |= ATOM_S3_LCD1_ACTIVE;
                        bios_6_scratch |= ATOM_S6_ACC_REQ_LCD1;
                } else {
                        DRM_DEBUG_KMS("LCD1 disconnected\n");
                        bios_0_scratch &= ~ATOM_S0_LCD1;
                        bios_3_scratch &= ~ATOM_S3_LCD1_ACTIVE;
                        bios_6_scratch &= ~ATOM_S6_ACC_REQ_LCD1;
                }
        }
        if ((amdgpu_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
            (amdgpu_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
                if (connected) {
                        DRM_DEBUG_KMS("CRT1 connected\n");
                        bios_0_scratch |= ATOM_S0_CRT1_COLOR;
                        bios_3_scratch |= ATOM_S3_CRT1_ACTIVE;
                        bios_6_scratch |= ATOM_S6_ACC_REQ_CRT1;
                } else {
                        DRM_DEBUG_KMS("CRT1 disconnected\n");
                        bios_0_scratch &= ~ATOM_S0_CRT1_MASK;
                        bios_3_scratch &= ~ATOM_S3_CRT1_ACTIVE;
                        bios_6_scratch &= ~ATOM_S6_ACC_REQ_CRT1;
                }
        }
        if ((amdgpu_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
            (amdgpu_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
                if (connected) {
                        DRM_DEBUG_KMS("CRT2 connected\n");
                        bios_0_scratch |= ATOM_S0_CRT2_COLOR;
                        bios_3_scratch |= ATOM_S3_CRT2_ACTIVE;
                        bios_6_scratch |= ATOM_S6_ACC_REQ_CRT2;
                } else {
                        DRM_DEBUG_KMS("CRT2 disconnected\n");
                        bios_0_scratch &= ~ATOM_S0_CRT2_MASK;
                        bios_3_scratch &= ~ATOM_S3_CRT2_ACTIVE;
                        bios_6_scratch &= ~ATOM_S6_ACC_REQ_CRT2;
                }
        }
        if ((amdgpu_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
            (amdgpu_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
                if (connected) {
                        DRM_DEBUG_KMS("DFP1 connected\n");
                        bios_0_scratch |= ATOM_S0_DFP1;
                        bios_3_scratch |= ATOM_S3_DFP1_ACTIVE;
                        bios_6_scratch |= ATOM_S6_ACC_REQ_DFP1;
                } else {
                        DRM_DEBUG_KMS("DFP1 disconnected\n");
                        bios_0_scratch &= ~ATOM_S0_DFP1;
                        bios_3_scratch &= ~ATOM_S3_DFP1_ACTIVE;
                        bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP1;
                }
        }
        if ((amdgpu_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
            (amdgpu_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
                if (connected) {
                        DRM_DEBUG_KMS("DFP2 connected\n");
                        bios_0_scratch |= ATOM_S0_DFP2;
                        bios_3_scratch |= ATOM_S3_DFP2_ACTIVE;
                        bios_6_scratch |= ATOM_S6_ACC_REQ_DFP2;
                } else {
                        DRM_DEBUG_KMS("DFP2 disconnected\n");
                        bios_0_scratch &= ~ATOM_S0_DFP2;
                        bios_3_scratch &= ~ATOM_S3_DFP2_ACTIVE;
                        bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP2;
                }
        }
        if ((amdgpu_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) &&
            (amdgpu_connector->devices & ATOM_DEVICE_DFP3_SUPPORT)) {
                if (connected) {
                        DRM_DEBUG_KMS("DFP3 connected\n");
                        bios_0_scratch |= ATOM_S0_DFP3;
                        bios_3_scratch |= ATOM_S3_DFP3_ACTIVE;
                        bios_6_scratch |= ATOM_S6_ACC_REQ_DFP3;
                } else {
                        DRM_DEBUG_KMS("DFP3 disconnected\n");
                        bios_0_scratch &= ~ATOM_S0_DFP3;
                        bios_3_scratch &= ~ATOM_S3_DFP3_ACTIVE;
                        bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP3;
                }
        }
        if ((amdgpu_encoder->devices & ATOM_DEVICE_DFP4_SUPPORT) &&
            (amdgpu_connector->devices & ATOM_DEVICE_DFP4_SUPPORT)) {
                if (connected) {
                        DRM_DEBUG_KMS("DFP4 connected\n");
                        bios_0_scratch |= ATOM_S0_DFP4;
                        bios_3_scratch |= ATOM_S3_DFP4_ACTIVE;
                        bios_6_scratch |= ATOM_S6_ACC_REQ_DFP4;
                } else {
                        DRM_DEBUG_KMS("DFP4 disconnected\n");
                        bios_0_scratch &= ~ATOM_S0_DFP4;
                        bios_3_scratch &= ~ATOM_S3_DFP4_ACTIVE;
                        bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP4;
                }
        }
        if ((amdgpu_encoder->devices & ATOM_DEVICE_DFP5_SUPPORT) &&
            (amdgpu_connector->devices & ATOM_DEVICE_DFP5_SUPPORT)) {
                if (connected) {
                        DRM_DEBUG_KMS("DFP5 connected\n");
                        bios_0_scratch |= ATOM_S0_DFP5;
                        bios_3_scratch |= ATOM_S3_DFP5_ACTIVE;
                        bios_6_scratch |= ATOM_S6_ACC_REQ_DFP5;
                } else {
                        DRM_DEBUG_KMS("DFP5 disconnected\n");
                        bios_0_scratch &= ~ATOM_S0_DFP5;
                        bios_3_scratch &= ~ATOM_S3_DFP5_ACTIVE;
                        bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP5;
                }
        }
        if ((amdgpu_encoder->devices & ATOM_DEVICE_DFP6_SUPPORT) &&
            (amdgpu_connector->devices & ATOM_DEVICE_DFP6_SUPPORT)) {
                if (connected) {
                        DRM_DEBUG_KMS("DFP6 connected\n");
                        bios_0_scratch |= ATOM_S0_DFP6;
                        bios_3_scratch |= ATOM_S3_DFP6_ACTIVE;
                        bios_6_scratch |= ATOM_S6_ACC_REQ_DFP6;
                } else {
                        DRM_DEBUG_KMS("DFP6 disconnected\n");
                        bios_0_scratch &= ~ATOM_S0_DFP6;
                        bios_3_scratch &= ~ATOM_S3_DFP6_ACTIVE;
                        bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP6;
                }
        }

        WREG32(mmBIOS_SCRATCH_0, bios_0_scratch);
        WREG32(mmBIOS_SCRATCH_3, bios_3_scratch);
        WREG32(mmBIOS_SCRATCH_6, bios_6_scratch);
}

union lvds_info {
        struct _ATOM_LVDS_INFO info;
        struct _ATOM_LVDS_INFO_V12 info_12;
};

struct amdgpu_encoder_atom_dig *
amdgpu_atombios_encoder_get_lcd_info(struct amdgpu_encoder *encoder)
{
        struct drm_device *dev = encoder->base.dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
        struct amdgpu_mode_info *mode_info = &adev->mode_info;
        int index = GetIndexIntoMasterTable(DATA, LVDS_Info);
        uint16_t data_offset, misc;
        union lvds_info *lvds_info;
        uint8_t frev, crev;
        struct amdgpu_encoder_atom_dig *lvds = NULL;
        int encoder_enum = (encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;

        if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
                                   &frev, &crev, &data_offset)) {
                lvds_info =
                        (union lvds_info *)(mode_info->atom_context->bios + data_offset);
                lvds =
                    kzalloc_obj(struct amdgpu_encoder_atom_dig);

                if (!lvds)
                        return NULL;

                lvds->native_mode.clock =
                    le16_to_cpu(lvds_info->info.sLCDTiming.usPixClk) * 10;
                lvds->native_mode.hdisplay =
                    le16_to_cpu(lvds_info->info.sLCDTiming.usHActive);
                lvds->native_mode.vdisplay =
                    le16_to_cpu(lvds_info->info.sLCDTiming.usVActive);
                lvds->native_mode.htotal = lvds->native_mode.hdisplay +
                        le16_to_cpu(lvds_info->info.sLCDTiming.usHBlanking_Time);
                lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
                        le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncOffset);
                lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
                        le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncWidth);
                lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
                        le16_to_cpu(lvds_info->info.sLCDTiming.usVBlanking_Time);
                lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
                        le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncOffset);
                lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
                        le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncWidth);
                lvds->panel_pwr_delay =
                    le16_to_cpu(lvds_info->info.usOffDelayInMs);
                lvds->lcd_misc = lvds_info->info.ucLVDS_Misc;

                misc = le16_to_cpu(lvds_info->info.sLCDTiming.susModeMiscInfo.usAccess);
                if (misc & ATOM_VSYNC_POLARITY)
                        lvds->native_mode.flags |= DRM_MODE_FLAG_NVSYNC;
                if (misc & ATOM_HSYNC_POLARITY)
                        lvds->native_mode.flags |= DRM_MODE_FLAG_NHSYNC;
                if (misc & ATOM_COMPOSITESYNC)
                        lvds->native_mode.flags |= DRM_MODE_FLAG_CSYNC;
                if (misc & ATOM_INTERLACE)
                        lvds->native_mode.flags |= DRM_MODE_FLAG_INTERLACE;
                if (misc & ATOM_DOUBLE_CLOCK_MODE)
                        lvds->native_mode.flags |= DRM_MODE_FLAG_DBLSCAN;

                lvds->native_mode.width_mm = le16_to_cpu(lvds_info->info.sLCDTiming.usImageHSize);
                lvds->native_mode.height_mm = le16_to_cpu(lvds_info->info.sLCDTiming.usImageVSize);

                /* set crtc values */
                drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);

                lvds->lcd_ss_id = lvds_info->info.ucSS_Id;

                encoder->native_mode = lvds->native_mode;

                if (encoder_enum == 2)
                        lvds->linkb = true;
                else
                        lvds->linkb = false;

                /* parse the lcd record table */
                if (le16_to_cpu(lvds_info->info.usModePatchTableOffset)) {
                        ATOM_FAKE_EDID_PATCH_RECORD *fake_edid_record;
                        ATOM_PANEL_RESOLUTION_PATCH_RECORD *panel_res_record;
                        bool bad_record = false;
                        u8 *record;

                        if ((frev == 1) && (crev < 2))
                                /* absolute */
                                record = (u8 *)(mode_info->atom_context->bios +
                                                le16_to_cpu(lvds_info->info.usModePatchTableOffset));
                        else
                                /* relative */
                                record = (u8 *)(mode_info->atom_context->bios +
                                                data_offset +
                                                le16_to_cpu(lvds_info->info.usModePatchTableOffset));
                        while (*record != ATOM_RECORD_END_TYPE) {
                                switch (*record) {
                                case LCD_MODE_PATCH_RECORD_MODE_TYPE:
                                        record += sizeof(ATOM_PATCH_RECORD_MODE);
                                        break;
                                case LCD_RTS_RECORD_TYPE:
                                        record += sizeof(ATOM_LCD_RTS_RECORD);
                                        break;
                                case LCD_CAP_RECORD_TYPE:
                                        record += sizeof(ATOM_LCD_MODE_CONTROL_CAP);
                                        break;
                                case LCD_FAKE_EDID_PATCH_RECORD_TYPE:
                                        fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record;
                                        if (fake_edid_record->ucFakeEDIDLength) {
                                                const struct drm_edid *edid;
                                                int edid_size;

                                                if (fake_edid_record->ucFakeEDIDLength == 128)
                                                        edid_size = fake_edid_record->ucFakeEDIDLength;
                                                else
                                                        edid_size = fake_edid_record->ucFakeEDIDLength * 128;
                                                edid = drm_edid_alloc(fake_edid_record->ucFakeEDIDString, edid_size);
                                                if (drm_edid_valid(edid))
                                                        adev->mode_info.bios_hardcoded_edid = edid;
                                                else
                                                        drm_edid_free(edid);
                                                record += struct_size(fake_edid_record,
                                                                      ucFakeEDIDString,
                                                                      edid_size);
                                        } else {
                                                /* empty fake edid record must be 3 bytes long */
                                                record += sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1;
                                        }
                                        break;
                                case LCD_PANEL_RESOLUTION_RECORD_TYPE:
                                        panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record;
                                        lvds->native_mode.width_mm = panel_res_record->usHSize;
                                        lvds->native_mode.height_mm = panel_res_record->usVSize;
                                        record += sizeof(ATOM_PANEL_RESOLUTION_PATCH_RECORD);
                                        break;
                                default:
                                        DRM_ERROR("Bad LCD record %d\n", *record);
                                        bad_record = true;
                                        break;
                                }
                                if (bad_record)
                                        break;
                        }
                }
        }
        return lvds;
}

struct amdgpu_encoder_atom_dig *
amdgpu_atombios_encoder_get_dig_info(struct amdgpu_encoder *amdgpu_encoder)
{
        int encoder_enum = (amdgpu_encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;
        struct amdgpu_encoder_atom_dig *dig = kzalloc_obj(struct amdgpu_encoder_atom_dig);

        if (!dig)
                return NULL;

        /* coherent mode by default */
        dig->coherent_mode = true;
        dig->dig_encoder = -1;

        if (encoder_enum == 2)
                dig->linkb = true;
        else
                dig->linkb = false;

        return dig;
}