drm/i915/sdvo: Only use the SDVO pin if it is in the valid range



BIOSes. Can't live without them (apparently), definitely can't live with
them.

Reported-by: Ben Gamari <bgamari@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=24312


Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

parent 8c0a6bfe

drivers/gpu/drm/i915/intel_sdvo.c

+6 −3

Original line number	Diff line number	Diff line
		@@ -1908,9 +1908,12 @@ intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
		speed = mapping->i2c_speed;
		}

		if (pin < GMBUS_NUM_PORTS) {
		sdvo->i2c = &dev_priv->gmbus[pin].adapter;
		intel_gmbus_set_speed(sdvo->i2c, speed);
		intel_gmbus_force_bit(sdvo->i2c, true);
		} else
		sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
		}

		static bool