drm/panel: add kernel doc for size attributes in panel_desc

Document that 'width' and 'height' are measured in millimeters.

Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index faa1c168a6e7..43a100c0b785 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -44,6 +44,10 @@ struct panel_desc {
 
         unsigned int bpc;
 
+        /**
+         * @width: width (in millimeters) of the panel's active display area
+         * @height: height (in millimeters) of the panel's active display area
+         */
         struct {
                 unsigned int width;
                 unsigned int height;