drm/omap: dss: Constify omap_dss_driver operations structure

The structure contains function pointers that don't need to be modified.
Make all its instances const to improve security.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c
index fcdf4b0a8eec..ec0f451e3b36 100644
--- a/drivers/gpu/drm/omapdrm/omap_encoder.c
+++ b/drivers/gpu/drm/omapdrm/omap_encoder.c
@@ -94,7 +94,7 @@ static void omap_encoder_disable(struct drm_encoder *encoder)
 {
         struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
         struct omap_dss_device *dssdev = omap_encoder->dssdev;
-        struct omap_dss_driver *dssdrv = dssdev->driver;
+        const struct omap_dss_driver *dssdrv = dssdev->driver;
 
         dssdrv->disable(dssdev);
 }
@@ -106,7 +106,7 @@ static int omap_encoder_update(struct drm_encoder *encoder,
         struct drm_device *dev = encoder->dev;
         struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
         struct omap_dss_device *dssdev = omap_encoder->dssdev;
-        struct omap_dss_driver *dssdrv = dssdev->driver;
+        const struct omap_dss_driver *dssdrv = dssdev->driver;
         int ret;
 
         if (dssdrv->check_timings) {
@@ -137,7 +137,7 @@ static void omap_encoder_enable(struct drm_encoder *encoder)
 {
         struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
         struct omap_dss_device *dssdev = omap_encoder->dssdev;
-        struct omap_dss_driver *dssdrv = dssdev->driver;
+        const struct omap_dss_driver *dssdrv = dssdev->driver;
         int r;
 
         omap_encoder_update(encoder, omap_crtc_channel(encoder->crtc),