drm/i915: Don't pass sdvo_reg to intel_sdvo_select_{ddc, i2c}_bus()

intel_sdvo_select_ddc_bus() and intel_sdvo_select_i2c_bus() have no used
for the passed in 'reg', so just drop it.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_sdvo.c

@@ -2222,7 +2222,7 @@ intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
  */
 static void
 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
-			  struct intel_sdvo *sdvo, u32 reg)
+			  struct intel_sdvo *sdvo)
 {
 	struct sdvo_device_mapping *mapping;
 
@@ -2239,7 +2239,7 @@ intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
 
 static void
 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
-			  struct intel_sdvo *sdvo, u32 reg)
+			  struct intel_sdvo *sdvo)
 {
 	struct sdvo_device_mapping *mapping;
 	u8 pin;
@@ -2925,7 +2925,7 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
 	intel_sdvo->sdvo_reg = sdvo_reg;
 	intel_sdvo->is_sdvob = is_sdvob;
 	intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
-	intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
+	intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo);
 	if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev))
 		goto err_i2c_bus;
 
@@ -2987,7 +2987,7 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
 	 */
 	intel_sdvo->base.cloneable = 0;
 
-	intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
+	intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo);
 
 	/* Set the input timing to the screen. Assume always input 0. */
 	if (!intel_sdvo_set_target_input(intel_sdvo))