kernel/drm-fix-qxl-mode-flags-backport.patch

Bugzilla: 1060327
Upstream-status: Queued for 3.16

diff -up linux-3.14.2-200.fc20.i686/drivers/gpu/drm/drm_crtc_helper.c.dma linux-3.14.2-200.fc20.i686/drivers/gpu/drm/drm_crtc_helper.c
--- linux-3.14.2-200.fc20.i686/drivers/gpu/drm/drm_crtc_helper.c.dma	2014-03-31 13:40:15.000000000 +1000
+++ linux-3.14.2-200.fc20.i686/drivers/gpu/drm/drm_crtc_helper.c	2014-05-01 10:27:07.410210002 +1000
@@ -120,8 +120,8 @@ static void drm_mode_validate_flag(struc
  * RETURNS:
  * Number of modes found on @connector.
  */
-int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
-					    uint32_t maxX, uint32_t maxY)
+static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connector *connector,
+					    uint32_t maxX, uint32_t maxY, bool merge_type_bits)
 {
 	struct drm_device *dev = connector->dev;
 	struct drm_display_mode *mode;
@@ -173,7 +173,7 @@ int drm_helper_probe_single_connector_mo
 	if (count == 0)
 		goto prune;
 
-	drm_mode_connector_list_update(connector);
+	drm_mode_connector_list_update(connector, merge_type_bits);
 
 	if (maxX && maxY)
 		drm_mode_validate_size(dev, &connector->modes, maxX,
@@ -213,8 +213,21 @@ prune:
 
 	return count;
 }
+
+int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
+					    uint32_t maxX, uint32_t maxY)
+{
+	return drm_helper_probe_single_connector_modes_merge_bits(connector, maxX, maxY, true);
+}
 EXPORT_SYMBOL(drm_helper_probe_single_connector_modes);
 
+int drm_helper_probe_single_connector_modes_nomerge(struct drm_connector *connector,
+						    uint32_t maxX, uint32_t maxY)
+{
+	return drm_helper_probe_single_connector_modes_merge_bits(connector, maxX, maxY, false);
+}
+EXPORT_SYMBOL(drm_helper_probe_single_connector_modes_nomerge);
+
 /**
  * drm_helper_encoder_in_use - check if a given encoder is in use
  * @encoder: encoder to check
diff -up linux-3.14.2-200.fc20.i686/drivers/gpu/drm/drm_modes.c.dma linux-3.14.2-200.fc20.i686/drivers/gpu/drm/drm_modes.c
--- linux-3.14.2-200.fc20.i686/drivers/gpu/drm/drm_modes.c.dma	2014-03-31 13:40:15.000000000 +1000
+++ linux-3.14.2-200.fc20.i686/drivers/gpu/drm/drm_modes.c	2014-05-01 10:27:59.015207267 +1000
@@ -1025,7 +1025,7 @@ EXPORT_SYMBOL(drm_mode_sort);
  * list and only adds different modes. All modes unverified after this point
  * will be removed by the prune invalid modes.
  */
-void drm_mode_connector_list_update(struct drm_connector *connector)
+void drm_mode_connector_list_update(struct drm_connector *connector, bool merge_type_bits)
 {
 	struct drm_display_mode *mode;
 	struct drm_display_mode *pmode, *pt;
@@ -1041,7 +1041,10 @@ void drm_mode_connector_list_update(stru
 				/* if equal delete the probed mode */
 				mode->status = pmode->status;
 				/* Merge type bits together */
-				mode->type |= pmode->type;
+				if (merge_type_bits)
+					mode->type |= pmode->type;
+				else
+					mode->type = pmode->type;
 				list_del(&pmode->head);
 				drm_mode_destroy(connector->dev, pmode);
 				break;
diff -up linux-3.14.2-200.fc20.i686/drivers/gpu/drm/qxl/qxl_display.c.dma linux-3.14.2-200.fc20.i686/drivers/gpu/drm/qxl/qxl_display.c
--- linux-3.14.2-200.fc20.i686/drivers/gpu/drm/qxl/qxl_display.c.dma	2014-03-31 13:40:15.000000000 +1000
+++ linux-3.14.2-200.fc20.i686/drivers/gpu/drm/qxl/qxl_display.c	2014-05-01 10:27:07.411210001 +1000
@@ -841,7 +841,7 @@ static const struct drm_connector_funcs
 	.save = qxl_conn_save,
 	.restore = qxl_conn_restore,
 	.detect = qxl_conn_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
+	.fill_modes = drm_helper_probe_single_connector_modes_nomerge,
 	.set_property = qxl_conn_set_property,
 	.destroy = qxl_conn_destroy,
 };
diff -up linux-3.14.2-200.fc20.i686/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c.dma linux-3.14.2-200.fc20.i686/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
--- linux-3.14.2-200.fc20.i686/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c.dma	2014-03-31 13:40:15.000000000 +1000
+++ linux-3.14.2-200.fc20.i686/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c	2014-05-01 10:27:07.411210001 +1000
@@ -2003,7 +2003,7 @@ int vmw_du_connector_fill_modes(struct d
 	if (du->pref_mode)
 		list_move(&du->pref_mode->head, &connector->probed_modes);
 
-	drm_mode_connector_list_update(connector);
+	drm_mode_connector_list_update(connector, true);
 
 	return 1;
 }
diff -up linux-3.14.2-200.fc20.i686/include/drm/drm_crtc.h.dma linux-3.14.2-200.fc20.i686/include/drm/drm_crtc.h
--- linux-3.14.2-200.fc20.i686/include/drm/drm_crtc.h.dma	2014-03-31 13:40:15.000000000 +1000
+++ linux-3.14.2-200.fc20.i686/include/drm/drm_crtc.h	2014-05-01 10:27:07.412210001 +1000
@@ -1033,7 +1033,7 @@ extern int drm_mode_hsync(const struct d
 extern int drm_mode_vrefresh(const struct drm_display_mode *mode);
 extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
 				  int adjust_flags);
-extern void drm_mode_connector_list_update(struct drm_connector *connector);
+extern void drm_mode_connector_list_update(struct drm_connector *connector, bool merge_type_bits);
 extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
 						struct edid *edid);
 extern int drm_object_property_set_value(struct drm_mode_object *obj,
diff -up linux-3.14.2-200.fc20.i686/include/drm/drm_crtc_helper.h.dma linux-3.14.2-200.fc20.i686/include/drm/drm_crtc_helper.h
--- linux-3.14.2-200.fc20.i686/include/drm/drm_crtc_helper.h.dma	2014-03-31 13:40:15.000000000 +1000
+++ linux-3.14.2-200.fc20.i686/include/drm/drm_crtc_helper.h	2014-05-01 10:27:07.412210001 +1000
@@ -126,6 +126,7 @@ struct drm_connector_helper_funcs {
 };
 
 extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY);
+extern int drm_helper_probe_single_connector_modes_nomerge(struct drm_connector *connector, uint32_t maxX, uint32_t maxY);
 extern void drm_helper_disable_unused_functions(struct drm_device *dev);
 extern int drm_crtc_helper_set_config(struct drm_mode_set *set);
 extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,