diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2019-05-31 16:14:51 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2019-06-05 15:02:31 +0300 |
| commit | 36a0f92020dc8794d3aa69b7fb4c5d2bf99b0099 (patch) | |
| tree | 0d481f229b953cb8af637c590966632e8a6cd4a5 | |
| parent | 3633e5116dfb01f98de4c88daf2c673c52290755 (diff) | |
| download | lwn-36a0f92020dc8794d3aa69b7fb4c5d2bf99b0099.tar.gz lwn-36a0f92020dc8794d3aa69b7fb4c5d2bf99b0099.zip | |
drm/i915/bios: make child device order the priority order
Make the child device order the priority order in sanitizing DDC pin and
AUX CH. First come, first served.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/34ab98880386a095422521ad39f4c080eeb3989a.1559308269.git.jani.nikula@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index a0b708f7f384..0a1b9a4a1b71 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -1242,8 +1242,7 @@ static u8 translate_iboost(u8 val) static void sanitize_ddc_pin(struct drm_i915_private *dev_priv, enum port port) { - const struct ddi_vbt_port_info *info = - &dev_priv->vbt.ddi_port_info[port]; + struct ddi_vbt_port_info *info = &dev_priv->vbt.ddi_port_info[port]; enum port p; if (!info->alternate_ddc_pin) @@ -1258,8 +1257,8 @@ 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(p), i->alternate_ddc_pin, - port_name(port), port_name(p)); + port_name(port), info->alternate_ddc_pin, + port_name(p), port_name(port)); /* * If we have multiple ports supposedly sharing the @@ -1267,20 +1266,19 @@ 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. * - * Due to parsing the ports in child device order, - * a later device will always clobber an earlier one. + * Give child device order the priority, first come first + * served. */ - i->supports_dvi = false; - i->supports_hdmi = false; - i->alternate_ddc_pin = 0; + info->supports_dvi = false; + info->supports_hdmi = false; + info->alternate_ddc_pin = 0; } } static void sanitize_aux_ch(struct drm_i915_private *dev_priv, enum port port) { - const struct ddi_vbt_port_info *info = - &dev_priv->vbt.ddi_port_info[port]; + struct ddi_vbt_port_info *info = &dev_priv->vbt.ddi_port_info[port]; enum port p; if (!info->alternate_aux_channel) @@ -1295,8 +1293,8 @@ 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(p), i->alternate_aux_channel, - port_name(port), port_name(p)); + port_name(port), info->alternate_aux_channel, + port_name(p), port_name(port)); /* * If we have multiple ports supposedlt sharing the @@ -1304,11 +1302,11 @@ 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. * - * Due to parsing the ports in child device order, - * a later device will always clobber an earlier one. + * Give child device order the priority, first come first + * served. */ - i->supports_dp = false; - i->alternate_aux_channel = 0; + info->supports_dp = false; + info->alternate_aux_channel = 0; } } |