Describe the new parameter 'bus_flags' to of_get_drm_display_mode() in the kerneldoc comments and add kerneldoc comments to the new function drm_bus_flags_from_videomode().
Signed-off-by: Lothar Waßmann LW@KARO-electronics.de --- drivers/gpu/drm/drm_modes.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 1570487..e4c65bb 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -657,6 +657,15 @@ void drm_display_mode_to_videomode(const struct drm_display_mode *dmode, } EXPORT_SYMBOL_GPL(drm_display_mode_to_videomode);
+/** + * drm_bus_flags_from_videomode - extract rmation about pixelclk and + * DE polarity from videomode and store it in a separate variable + * @vm: videomode structure to use + * @bus_flags: information about pixelclk and DE polarity will be stored here + * + * Sets DRM_BUS_FLAG_DE_(LOW|HIGH) and DRM_BUS_FLAG_PIXDATA_(POS|NEG)EDGE + * in @bus_flags according to DISPLAY_FLAGS found in @vm + */ void drm_bus_flags_from_videomode(const struct videomode *vm, u32 *bus_flags) { *bus_flags = 0; @@ -677,6 +686,7 @@ EXPORT_SYMBOL_GPL(drm_bus_flags_from_videomode); * of_get_drm_display_mode - get a drm_display_mode from devicetree * @np: device_node with the timing specification * @dmode: will be set to the return value + * @bus_flags: information about pixelclk and DE polarity * @index: index into the list of display timings in devicetree * * This function is expensive and should only be used, if only one mode is to be