[PATCH 5/7] drm/edid: Armor drm_dmt_modes_for_range for reduced blanking modes

[Adam Jackson]

Require that the monitor support rb for rb modes to be added.

Signed-off-by: Adam Jackson <ajax at redhat.com>
---
 drivers/gpu/drm/drm_edid.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 83c51d6..0fc63ca 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1016,10 +1016,6 @@ mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
 	return true;
 }
 
-/*
- * XXX If drm_dmt_modes ever regrows the CVT-R modes (and it will) this will
- * need to account for them.
- */
 static int
 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
 			struct detailed_timing *timing)
@@ -1030,6 +1026,10 @@ drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
 
 	for (i = 0; i < drm_num_dmt_modes; i++) {
 		if (mode_in_range(drm_dmt_modes + i, edid, timing)) {
+			if (mode_is_rb(&drm_dmt_modes[i]) &&
+			    !drm_monitor_supports_rb(edid))
+				continue;
+
 			newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
 			if (newmode) {
 				drm_mode_probed_add(connector, newmode);
-- 
1.7.7.6