drm/i915/dvo: Make .get_modes() return the number of modes

.get_modes() is supposed to return the number of modes added to the
probed_modes list (not that anyone actually checks for anything
except zero vs. not zero). Let's do that.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200108181242.13650-9-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
This commit is contained in:
Ville Syrjälä 2020-01-08 20:12:42 +02:00
parent 7407ec6e55
commit 4a2236f9a7

View file

@ -324,6 +324,7 @@ static int intel_dvo_get_modes(struct drm_connector *connector)
struct drm_i915_private *dev_priv = to_i915(connector->dev);
const struct drm_display_mode *fixed_mode =
to_intel_connector(connector)->panel.fixed_mode;
int num_modes;
/*
* We should probably have an i2c driver get_modes function for those
@ -331,21 +332,22 @@ static int intel_dvo_get_modes(struct drm_connector *connector)
* (TV-out, for example), but for now with just TMDS and LVDS,
* that's not the case.
*/
intel_ddc_get_modes(connector,
intel_gmbus_get_adapter(dev_priv, GMBUS_PIN_DPC));
if (!list_empty(&connector->probed_modes))
return 1;
num_modes = intel_ddc_get_modes(connector,
intel_gmbus_get_adapter(dev_priv, GMBUS_PIN_DPC));
if (num_modes)
return num_modes;
if (fixed_mode) {
struct drm_display_mode *mode;
mode = drm_mode_duplicate(connector->dev, fixed_mode);
if (mode) {
drm_mode_probed_add(connector, mode);
return 1;
num_modes++;
}
}
return 0;
return num_modes;
}
static const struct drm_connector_funcs intel_dvo_connector_funcs = {