return freq;
}
-static u32 gen5_read_clock_frequency(struct intel_uncore *uncore)
+static u32 gen6_read_clock_frequency(struct intel_uncore *uncore)
{
/*
* PRMs say:
return 12500000;
}
+static u32 gen5_read_clock_frequency(struct intel_uncore *uncore)
+{
+ /*
+ * 63:32 increments every 1000 ns
+ * 31:0 mbz
+ */
+ return 1000000000 / 1000;
+}
+
+static u32 g4x_read_clock_frequency(struct intel_uncore *uncore)
+{
+ /*
+ * 63:20 increments every 1/4 ns
+ * 19:0 mbz
+ *
+ * -> 63:32 increments every 1024 ns
+ */
+ return 1000000000 / 1024;
+}
+
static u32 gen2_read_clock_frequency(struct intel_uncore *uncore)
{
/*
return gen11_read_clock_frequency(uncore);
else if (GRAPHICS_VER(uncore->i915) >= 9)
return gen9_read_clock_frequency(uncore);
- else if (GRAPHICS_VER(uncore->i915) >= 5)
+ else if (GRAPHICS_VER(uncore->i915) >= 6)
+ return gen6_read_clock_frequency(uncore);
+ else if (GRAPHICS_VER(uncore->i915) == 5)
return gen5_read_clock_frequency(uncore);
+ else if (IS_G4X(uncore->i915))
+ return g4x_read_clock_frequency(uncore);
else
return gen2_read_clock_frequency(uncore);
}