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authorVille Syrjälä <ville.syrjala@linux.intel.com>2014-07-08 10:31:53 +0530
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-07-11 23:43:52 +0200
commitc1df5f3c2d665f1a5b365d1e352e99832f188fda (patch)
tree272bcb546df843d529f827fb36ef77f0d6147fa3 /drivers/gpu/drm/drm_crtc.c
parent7689ffb32fa314cc6f128b433b5a285f2699cb70 (diff)
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drm: Add drm_mode_create_rotation_property()
Add a function to create a standards compliant rotation property. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Imre Deak <imre.deak@intel.com> Acked-by: Dave Airlie <airlied@linux.ie> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r--drivers/gpu/drm/drm_crtc.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 2fbee61d632d..f224d4d1c0ed 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -4959,3 +4959,21 @@ void drm_mode_config_cleanup(struct drm_device *dev)
drm_modeset_lock_fini(&dev->mode_config.connection_mutex);
}
EXPORT_SYMBOL(drm_mode_config_cleanup);
+
+struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,
+ unsigned int supported_rotations)
+{
+ static const struct drm_prop_enum_list props[] = {
+ { DRM_ROTATE_0, "rotate-0" },
+ { DRM_ROTATE_90, "rotate-90" },
+ { DRM_ROTATE_180, "rotate-180" },
+ { DRM_ROTATE_270, "rotate-270" },
+ { DRM_REFLECT_X, "reflect-x" },
+ { DRM_REFLECT_Y, "reflect-y" },
+ };
+
+ return drm_property_create_bitmask(dev, 0, "rotation",
+ props, ARRAY_SIZE(props),
+ supported_rotations);
+}
+EXPORT_SYMBOL(drm_mode_create_rotation_property);