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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>
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2 changed files with 20 additions and 0 deletions
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@ -4959,3 +4959,21 @@ void drm_mode_config_cleanup(struct drm_device *dev)
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drm_modeset_lock_fini(&dev->mode_config.connection_mutex);
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}
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EXPORT_SYMBOL(drm_mode_config_cleanup);
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struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,
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unsigned int supported_rotations)
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{
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static const struct drm_prop_enum_list props[] = {
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{ DRM_ROTATE_0, "rotate-0" },
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{ DRM_ROTATE_90, "rotate-90" },
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{ DRM_ROTATE_180, "rotate-180" },
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{ DRM_ROTATE_270, "rotate-270" },
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{ DRM_REFLECT_X, "reflect-x" },
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{ DRM_REFLECT_Y, "reflect-y" },
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};
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return drm_property_create_bitmask(dev, 0, "rotation",
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props, ARRAY_SIZE(props),
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supported_rotations);
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}
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EXPORT_SYMBOL(drm_mode_create_rotation_property);
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@ -1113,6 +1113,8 @@ extern int drm_format_plane_cpp(uint32_t format, int plane);
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extern int drm_format_horz_chroma_subsampling(uint32_t format);
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extern int drm_format_vert_chroma_subsampling(uint32_t format);
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extern const char *drm_get_format_name(uint32_t format);
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extern struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,
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unsigned int supported_rotations);
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/* Helpers */
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