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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2020-05-26 04:14:54 +0300
committerSam Ravnborg <sam@ravnborg.org>2020-06-23 19:56:25 +0200
commit35a395f1134bbbd2984dcca28c04f09fbbb8b0a4 (patch)
tree0628d5e368bae28aa153ec9bf60a491c3f342b95
parentaf05bba0fbe2c07fe500f697080d78d050be2fbf (diff)
downloadlwn-35a395f1134bbbd2984dcca28c04f09fbbb8b0a4.tar.gz
lwn-35a395f1134bbbd2984dcca28c04f09fbbb8b0a4.zip
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
-rw-r--r--drivers/gpu/drm/bridge/synopsys/dw-hdmi.c2
-rw-r--r--drivers/gpu/drm/meson/meson_dw_hdmi.c4
-rw-r--r--drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c2
-rw-r--r--drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c2
-rw-r--r--include/drm/bridge/dw_hdmi.h2
5 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 23650e69604c..6e6a3d95e68e 100644
--- 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
index 71d599970ec7..757c17fbb29f 100644
--- 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
index d286751bb333..10e210f6455d 100644
--- 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
index 43643ad31730..8e078cacf063 100644
--- 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
index fec293b21c2e..f930d218cc6b 100644
--- 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,