drm/sun4i: tcon: Make tcon_set_mux mode argument const
The drm_display_mode pointer can be mark const, so let's do it.
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b0cce5a43fc3b56953d21a54fc3c14672f755f42.1508231063.git-series.maxime.ripard@free-electrons.com
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 68751b9..54e1796 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -134,7 +134,7 @@ static struct sun4i_tcon *sun4i_get_tcon0(struct drm_device *drm)
}
void sun4i_tcon_set_mux(struct sun4i_tcon *tcon, int channel,
- struct drm_encoder *encoder)
+ const struct drm_encoder *encoder)
{
int ret = -ENOTSUPP;
@@ -783,7 +783,7 @@ static int sun4i_tcon_remove(struct platform_device *pdev)
/* platform specific TCON muxing callbacks */
static int sun5i_a13_tcon_set_mux(struct sun4i_tcon *tcon,
- struct drm_encoder *encoder)
+ const struct drm_encoder *encoder)
{
u32 val;
@@ -799,7 +799,7 @@ static int sun5i_a13_tcon_set_mux(struct sun4i_tcon *tcon,
}
static int sun6i_tcon_set_mux(struct sun4i_tcon *tcon,
- struct drm_encoder *encoder)
+ const struct drm_encoder *encoder)
{
struct sun4i_tcon *tcon0 = sun4i_get_tcon0(encoder->dev);
u32 shift;
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.h b/drivers/gpu/drm/sun4i/sun4i_tcon.h
index d9e1357..d81c6e2 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.h
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.h
@@ -152,7 +152,7 @@ struct sun4i_tcon_quirks {
bool needs_de_be_mux; /* sun6i needs mux to select backend */
/* callback to handle tcon muxing options */
- int (*set_mux)(struct sun4i_tcon *, struct drm_encoder *);
+ int (*set_mux)(struct sun4i_tcon *, const struct drm_encoder *);
};
struct sun4i_tcon {