drm/i915/dg1: provide port/phy mapping for vbt

As with RKL, DG1's VBT outputs are indexed according to PHY rather than
DDI.

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201007002210.3678024-8-lucas.demarchi@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 23bf21e..5804eb9 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -1675,7 +1675,7 @@ static enum port dvo_port_to_port(struct drm_i915_private *dev_priv,
                [PORT_E] = { DVO_PORT_HDMID, DVO_PORT_DPD, -1 },
        };
 
-       if (IS_ROCKETLAKE(dev_priv))
+       if (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv))
                return __dvo_port_to_port(ARRAY_SIZE(rkl_port_mapping),
                                          ARRAY_SIZE(rkl_port_mapping[0]),
                                          rkl_port_mapping,
@@ -2640,10 +2640,12 @@ enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *dev_priv,
                aux_ch = AUX_CH_B;
                break;
        case DP_AUX_C:
-               aux_ch = IS_ROCKETLAKE(dev_priv) ? AUX_CH_D : AUX_CH_C;
+               aux_ch = (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv)) ?
+                       AUX_CH_D : AUX_CH_C;
                break;
        case DP_AUX_D:
-               aux_ch = IS_ROCKETLAKE(dev_priv) ? AUX_CH_E : AUX_CH_D;
+               aux_ch = (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv)) ?
+                       AUX_CH_E : AUX_CH_D;
                break;
        case DP_AUX_E:
                aux_ch = AUX_CH_E;