drivers: drm: dw-hdmi-qp: Apply ddc-i2c-rxfilter only if DT prop exists

armbian · Dec 26, 2023 · f726d3f · f726d3f
1 parent 408b805
commit f726d3f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c
@@ -969,7 +969,7 @@ static void dw_hdmi_i2c_init(struct dw_hdmi_qp *hdmi)
 	hdmi_writel(hdmi, 0x01, I2CM_CONTROL0);
 
 	/* Configure I2CM hold time and rxfilter */
-	if (device_property_read_u32(hdmi->dev, "ddc-i2c-rxfilter", &ddc_i2c_rxfilter))
+	if (device_property_read_u32(hdmi->dev, "ddc-i2c-rxfilter", &ddc_i2c_rxfilter) == 0)
 		hdmi_writel(hdmi, ddc_i2c_rxfilter, I2CM_CONFIG0);
 
 	hdmi_modb(hdmi, 0, I2CM_FM_EN, I2CM_INTERFACE_CONTROL0);