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drm/i915: Initialize dig_port->aux_ch to NONE to be sure

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Make sure dig_port->aux_ch is trustworthy by initializing it
to NONE (-1) at the start. The encoder init will later fill in
the actual value, if appropriate.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230630155846.29931-2-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2023-06-30 18:58:41 +03:00
parent a122243367
commit 4cca967698
3 changed files with 6 additions and 0 deletions
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2
drivers/gpu/drm/i915/display/g4x_dp.c
View File

@ -1273,6 +1273,8 @@ bool g4x_dp_init(struct drm_i915_private *dev_priv,
if (!dig_port)
return false;
dig_port->aux_ch = AUX_CH_NONE;
intel_connector = intel_connector_alloc();
if (!intel_connector)
goto err_connector_alloc;

2
drivers/gpu/drm/i915/display/g4x_hdmi.c
View File

@ -698,6 +698,8 @@ void g4x_hdmi_init(struct drm_i915_private *dev_priv,
if (!dig_port)
return;
dig_port->aux_ch = AUX_CH_NONE;
intel_connector = intel_connector_alloc();
if (!intel_connector) {
kfree(dig_port);

2
drivers/gpu/drm/i915/display/intel_ddi.c
View File

@ -4747,6 +4747,8 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
if (!dig_port)
return;
dig_port->aux_ch = AUX_CH_NONE;
encoder = &dig_port->base;
encoder->devdata = devdata;