drm/i915: Remove unused mode_fixup() vfunc of struct intel_dvo_dev_ops

It's totally unused, so remove the last mode_fixup appearance in i915.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/dvo.h

@@ -76,17 +76,6 @@ struct intel_dvo_dev_ops {
 	int (*mode_valid)(struct intel_dvo_device *dvo,
 			  struct drm_display_mode *mode);
 
-	/*
-	 * Callback to adjust the mode to be set in the CRTC.
-	 *
-	 * This allows an output to adjust the clock or even the entire set of
-	 * timings, which is used for panels with fixed timings or for
-	 * buses with clock limitations.
-	 */
-	bool (*mode_fixup)(struct intel_dvo_device *dvo,
-			   const struct drm_display_mode *mode,
-			   struct drm_display_mode *adjusted_mode);
-
 	/*
 	 * Callback for preparing mode changes on an output
 	 */

drivers/gpu/drm/i915/intel_dvo.c

@@ -265,11 +265,6 @@ static bool intel_dvo_compute_config(struct intel_encoder *encoder,
 #undef C
 	}
 
-	if (intel_dvo->dev.dev_ops->mode_fixup)
-		return intel_dvo->dev.dev_ops->mode_fixup(&intel_dvo->dev,
-							  &pipe_config->requested_mode,
-							  adjusted_mode);
-
 	return true;
 }
 

drivers/gpu/drm/i915/intel_sdvo.c

@@ -1208,9 +1208,6 @@ static void intel_sdvo_mode_set(struct intel_encoder *intel_encoder)
 	    !intel_sdvo_set_tv_format(intel_sdvo))
 		return;
 
-	/* We have tried to get input timing in mode_fixup, and filled into
-	 * adjusted_mode.
-	 */
 	intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
 	input_dtd.part1.clock /= crtc->config.pixel_multiplier;