drm: bridge: dw-hdmi: Constify mode argument to dw_hdmi_phy_ops .init()

The PHY .init() must not modify the mode it receives. Make the pointer const to enfore that. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200526011505.31884-17-laurent.pinchart+renesas@ideasonboard.com
mariux64 · Jun 23, 2020 · 35a395f · 35a395f
1 parent af05bba
commit 35a395f
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Showing 5 changed files with 6 additions and 6 deletions.
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -1531,7 +1531,7 @@ static int hdmi_phy_configure(struct dw_hdmi *hdmi)
 }
 
 static int dw_hdmi_phy_init(struct dw_hdmi *hdmi, void *data,
-			    struct drm_display_mode *mode)
+			    const struct drm_display_mode *mode)
 {
 	int i, ret;
 

diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
@@ -297,7 +297,7 @@ static inline void dw_hdmi_dwc_write_bits(struct meson_dw_hdmi *dw_hdmi,
 
 /* Setup PHY bandwidth modes */
 static void meson_hdmi_phy_setup_mode(struct meson_dw_hdmi *dw_hdmi,
-				      struct drm_display_mode *mode)
+				      const struct drm_display_mode *mode)
 {
 	struct meson_drm *priv = dw_hdmi->priv;
 	unsigned int pixel_clock = mode->clock;
@@ -427,7 +427,7 @@ static void dw_hdmi_set_vclk(struct meson_dw_hdmi *dw_hdmi,
 }
 
 static int dw_hdmi_phy_init(struct dw_hdmi *hdmi, void *data,
-			    struct drm_display_mode *mode)
+			    const struct drm_display_mode *mode)
 {
 	struct meson_dw_hdmi *dw_hdmi = (struct meson_dw_hdmi *)data;
 	struct meson_drm *priv = dw_hdmi->priv;

diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -312,7 +312,7 @@ static const struct drm_encoder_helper_funcs dw_hdmi_rockchip_encoder_helper_fun
 };
 
 static int dw_hdmi_rockchip_genphy_init(struct dw_hdmi *dw_hdmi, void *data,
-			     struct drm_display_mode *mode)
+					const struct drm_display_mode *mode)
 {
 	struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;
 

diff --git a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
@@ -341,7 +341,7 @@ static int sun8i_hdmi_phy_config_h3(struct dw_hdmi *hdmi,
 }
 
 static int sun8i_hdmi_phy_config(struct dw_hdmi *hdmi, void *data,
-				 struct drm_display_mode *mode)
+				 const struct drm_display_mode *mode)
 {
 	struct sun8i_hdmi_phy *phy = (struct sun8i_hdmi_phy *)data;
 	u32 val = 0;

diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
@@ -114,7 +114,7 @@ struct dw_hdmi_phy_config {
 
 struct dw_hdmi_phy_ops {
 	int (*init)(struct dw_hdmi *hdmi, void *data,
-		    struct drm_display_mode *mode);
+		    const struct drm_display_mode *mode);
 	void (*disable)(struct dw_hdmi *hdmi, void *data);
 	enum drm_connector_status (*read_hpd)(struct dw_hdmi *hdmi, void *data);
 	void (*update_hpd)(struct dw_hdmi *hdmi, void *data,