diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bios.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index efb39f350b19..63c1bd4c2954 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1270,7 +1270,7 @@ static void sanitize_ddc_pin(struct drm_i915_private *dev_priv, DRM_DEBUG_KMS("port %c trying to use the same DDC pin (0x%x) as port %c, " "disabling port %c DVI/HDMI support\n", port_name(port), info->alternate_ddc_pin, - port_name(p), port_name(port)); + port_name(p), port_name(p)); /* * If we have multiple ports supposedly sharing the @@ -1278,9 +1278,14 @@ static void sanitize_ddc_pin(struct drm_i915_private *dev_priv, * port. Otherwise they share the same ddc bin and * system couldn't communicate with them separately. * - * Give child device order the priority, first come first - * served. + * Give inverse child device order the priority, + * last one wins. Yes, there are real machines + * (eg. Asrock B250M-HDV) where VBT has both + * port A and port E with the same AUX ch and + * we must pick port E :( */ + info = &dev_priv->vbt.ddi_port_info[p]; + info->supports_dvi = false; info->supports_hdmi = false; info->alternate_ddc_pin = 0; @@ -1316,7 +1321,7 @@ static void sanitize_aux_ch(struct drm_i915_private *dev_priv, DRM_DEBUG_KMS("port %c trying to use the same AUX CH (0x%x) as port %c, " "disabling port %c DP support\n", port_name(port), info->alternate_aux_channel, - port_name(p), port_name(port)); + port_name(p), port_name(p)); /* * If we have multiple ports supposedlt sharing the @@ -1324,9 +1329,14 @@ static void sanitize_aux_ch(struct drm_i915_private *dev_priv, * port. Otherwise they share the same aux channel * and system couldn't communicate with them separately. * - * Give child device order the priority, first come first - * served. + * Give inverse child device order the priority, + * last one wins. Yes, there are real machines + * (eg. Asrock B250M-HDV) where VBT has both + * port A and port E with the same AUX ch and + * we must pick port E :( */ + info = &dev_priv->vbt.ddi_port_info[p]; + info->supports_dp = false; info->alternate_aux_channel = 0; } @@ -1389,6 +1399,7 @@ static enum port dvo_port_to_port(u8 dvo_port) [PORT_D] = { DVO_PORT_HDMID, DVO_PORT_DPD, -1}, [PORT_E] = { DVO_PORT_CRT, DVO_PORT_HDMIE, DVO_PORT_DPE}, [PORT_F] = { DVO_PORT_HDMIF, DVO_PORT_DPF, -1}, + [PORT_G] = { DVO_PORT_HDMIG, DVO_PORT_DPG, -1}, }; enum port port; int i; @@ -1615,7 +1626,7 @@ parse_general_definitions(struct drm_i915_private *dev_priv, expected_size = 37; } else if (bdb->version <= 215) { expected_size = 38; - } else if (bdb->version <= 216) { + } else if (bdb->version <= 229) { expected_size = 39; } else { expected_size = sizeof(*child); @@ -1833,7 +1844,7 @@ void intel_bios_init(struct drm_i915_private *dev_priv) const struct bdb_header *bdb; u8 __iomem *bios = NULL; - if (!HAS_DISPLAY(dev_priv)) { + if (!HAS_DISPLAY(dev_priv) || !INTEL_DISPLAY_ENABLED(dev_priv)) { DRM_DEBUG_KMS("Skipping VBT init due to disabled display.\n"); return; } @@ -2248,6 +2259,9 @@ enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *dev_priv, case DP_AUX_F: aux_ch = AUX_CH_F; break; + case DP_AUX_G: + aux_ch = AUX_CH_G; + break; default: MISSING_CASE(info->alternate_aux_channel); aux_ch = AUX_CH_A; |