[9/9] drm/i915/dvo: Make .get_modes() return the number of modes
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Message ID 20200108181242.13650-9-ville.syrjala@linux.intel.com
State New
Headers show
Series
  • [1/9] drm/i915/sdvo: Reduce the size of the on stack buffers
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Commit Message

Ville Syrjälä Jan. 8, 2020, 6:12 p.m. UTC
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

.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>
---
 drivers/gpu/drm/i915/display/intel_dvo.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

Patch
diff mbox series

diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c
index a74dc5b915d1..3ce9f72d12e5 100644
--- a/drivers/gpu/drm/i915/display/intel_dvo.c
+++ b/drivers/gpu/drm/i915/display/intel_dvo.c
@@ -322,6 +322,7 @@  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
@@ -329,21 +330,22 @@  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 = {