svn commit: r280814 - head/sys/dev/drm2

[Jean-Sebastien Pedron]

Author: dumbbell
Date: Sun Mar 29 18:45:51 2015
New Revision: 280814
URL: https://svnweb.freebsd.org/changeset/base/280814

Log:
  drm: Import Linux commit 9bc3cd5673d84d29272fa7181a4dfca83cbb48c1
  
  Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
  Date:   Fri May 31 12:17:08 2013 +0000
  
      drm: Sort connector modes based on vrefresh
  
      Keeping the modes sorted by vrefresh before the pixel clock makes the
      mode list somehow more pleasing to the eye.
  
      Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
      Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
      Signed-off-by: Dave Airlie <airlied at redhat.com>
  
  PR:		198936
  Obtained from:	Linux
  MFC after:	1 month
  MFC with:	r280183

Modified:
  head/sys/dev/drm2/drm_crtc_helper.c
  head/sys/dev/drm2/drm_modes.c

Modified: head/sys/dev/drm2/drm_crtc_helper.c
==============================================================================
--- head/sys/dev/drm2/drm_crtc_helper.c	Sun Mar 29 18:44:15 2015	(r280813)
+++ head/sys/dev/drm2/drm_crtc_helper.c	Sun Mar 29 18:45:51 2015	(r280814)
@@ -189,13 +189,14 @@ prune:
 	if (list_empty(&connector->modes))
 		return 0;
 
+	list_for_each_entry(mode, &connector->modes, head)
+		mode->vrefresh = drm_mode_vrefresh(mode);
+
 	drm_mode_sort(&connector->modes);
 
 	DRM_DEBUG_KMS("[CONNECTOR:%d:%s] probed modes :\n", connector->base.id,
 			drm_get_connector_name(connector));
 	list_for_each_entry(mode, &connector->modes, head) {
-		mode->vrefresh = drm_mode_vrefresh(mode);
-
 		drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
 		drm_mode_debug_printmodeline(mode);
 	}

Modified: head/sys/dev/drm2/drm_modes.c
==============================================================================
--- head/sys/dev/drm2/drm_modes.c	Sun Mar 29 18:44:15 2015	(r280813)
+++ head/sys/dev/drm2/drm_modes.c	Sun Mar 29 18:45:51 2015	(r280814)
@@ -927,6 +927,11 @@ static int drm_mode_compare(void *priv, 
 	diff = b->hdisplay * b->vdisplay - a->hdisplay * a->vdisplay;
 	if (diff)
 		return diff;
+
+	diff = b->vrefresh - a->vrefresh;
+	if (diff)
+		return diff;
+
 	diff = b->clock - a->clock;
 	return diff;
 }