summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/drm_edid.c
diff options
context:
space:
mode:
authorGerd Hoffmann <kraxel@redhat.com>2013-10-11 10:01:08 +0200
committerDave Airlie <airlied@redhat.com>2013-11-06 13:36:18 +1000
commit3cf70dafd7bbbc91df0a9ecb081d46f9f3d867f6 (patch)
tree09dcee3dfa36377179a11e23ffbf4099e1d30bdd /drivers/gpu/drm/drm_edid.c
parent23c453a4af187e06d3d16649f1f3f2d16c132f83 (diff)
downloadop-kernel-dev-3cf70dafd7bbbc91df0a9ecb081d46f9f3d867f6.zip
op-kernel-dev-3cf70dafd7bbbc91df0a9ecb081d46f9f3d867f6.tar.gz
drm: add drm_set_preferred_mode
New helper function to set the preferred video mode. Can be called after drm_add_modes_noedid if you don't want the largest supported video mode be used by default. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r--drivers/gpu/drm/drm_edid.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 01275e6..2f325bc 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -3482,6 +3482,19 @@ int drm_add_modes_noedid(struct drm_connector *connector,
}
EXPORT_SYMBOL(drm_add_modes_noedid);
+void drm_set_preferred_mode(struct drm_connector *connector,
+ int hpref, int vpref)
+{
+ struct drm_display_mode *mode;
+
+ list_for_each_entry(mode, &connector->probed_modes, head) {
+ if (drm_mode_width(mode) == hpref &&
+ drm_mode_height(mode) == vpref)
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+ }
+}
+EXPORT_SYMBOL(drm_set_preferred_mode);
+
/**
* drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
* data from a DRM display mode
OpenPOWER on IntegriCloud