@@ -209,9 +209,30 @@ static int sdw_master_read_intel_prop(struct sdw_bus *bus)
static int intel_prop_read(struct sdw_bus *bus)
{
+ struct sdw_master_prop *prop;
+
/* Initialize with default handler to read all DisCo properties */
sdw_master_read_prop(bus);
+ /*
+ * Only one bus frequency is supported so far, filter
+ * frequencies reported in the DSDT
+ */
+ prop = &bus->prop;
+ if (prop->clk_freq && prop->num_clk_freq > 1) {
+ unsigned int default_bus_frequency;
+
+ default_bus_frequency =
+ prop->default_frame_rate *
+ prop->default_row *
+ prop->default_col /
+ SDW_DOUBLE_RATE_FACTOR;
+
+ prop->num_clk_freq = 1;
+ prop->clk_freq[0] = default_bus_frequency;
+ prop->max_clk_freq = default_bus_frequency;
+ }
+
/* read Intel-specific properties */
sdw_master_read_intel_prop(bus);