diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bios.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index ff825be0ac88..4cc949b228f2 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -2664,12 +2664,16 @@ enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *dev_priv, aux_ch = AUX_CH_B; break; case DP_AUX_C: + /* + * RKL/DG1 VBT uses PHY based mapping. Combo PHYs A,B,C,D + * map to DDI A,B,TC1,TC2 respectively. + */ aux_ch = (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv)) ? - AUX_CH_D : AUX_CH_C; + AUX_CH_USBC1 : AUX_CH_C; break; case DP_AUX_D: aux_ch = (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv)) ? - AUX_CH_E : AUX_CH_D; + AUX_CH_USBC2 : AUX_CH_D; break; case DP_AUX_E: aux_ch = AUX_CH_E; |