drm/i915: move lvds_border_bits to pipe_config

pipe_config is the new dev_priv!

More seriously, this is actually better since a pipe_config can be
thrown away if the modeset compute config stage fails. Whereas any
state stored in dev_prive needs to be painstakingly restored, since
otherwise a dpms off/on will wreak massive havoc. Yes, that even
applies to state only used in ->mode_set callbacks, since we need to
call those even for dpms on when the Haswell power well cleared
everything out.

Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_drv.h

@@ -1019,8 +1019,6 @@ typedef struct drm_i915_private {
 	/* Kernel Modesetting */
 
 	struct sdvo_device_mapping sdvo_mappings[2];
-	/* indicate whether the LVDS_BORDER should be enabled or not */
-	unsigned int lvds_border_bits;
 
 	struct drm_crtc *plane_to_crtc_mapping[3];
 	struct drm_crtc *pipe_to_crtc_mapping[3];

drivers/gpu/drm/i915/intel_drv.h

@@ -249,6 +249,7 @@ struct intel_crtc_config {
 	struct {
 		u32 control;
 		u32 pgm_ratios;
+		u32 lvds_border_bits;
 	} gmch_pfit;
 
 	/* Panel fitter placement and size for Ironlake+ */

drivers/gpu/drm/i915/intel_lvds.c

@@ -116,7 +116,7 @@ static void intel_pre_pll_enable_lvds(struct intel_encoder *encoder)
 	}
 
 	/* set the corresponsding LVDS_BORDER bit */
-	temp |= dev_priv->lvds_border_bits;
+	temp |= intel_crtc->config.gmch_pfit.lvds_border_bits;
 	/* Set the B0-B3 data pairs corresponding to whether we're going to
 	 * set the DPLLs for dual-channel mode or not.
 	 */

drivers/gpu/drm/i915/intel_panel.c

@@ -183,7 +183,6 @@ void intel_gmch_panel_fitting(struct intel_crtc *intel_crtc,
 			      int fitting_mode)
 {
 	struct drm_device *dev = intel_crtc->base.dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 pfit_control = 0, pfit_pgm_ratios = 0, border = 0;
 	struct drm_display_mode *mode, *adjusted_mode;
 
@@ -312,7 +311,7 @@ out:
 		pipe_config->gmch_pfit.control = pfit_control;
 		pipe_config->gmch_pfit.pgm_ratios = pfit_pgm_ratios;
 	}
-	dev_priv->lvds_border_bits = border;
+	pipe_config->gmch_pfit.lvds_border_bits = border;
 }
 
 static int is_backlight_combination_mode(struct drm_device *dev)