| Message ID | 20200526011505.31884-17-laurent.pinchart+renesas@ideasonboard.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | None | expand |
On 26/05/2020 03:14, Laurent Pinchart wrote: > 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> > --- > drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 2 +- > drivers/gpu/drm/meson/meson_dw_hdmi.c | 4 ++-- > drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 2 +- > drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c | 2 +- > include/drm/bridge/dw_hdmi.h | 2 +- > 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, > Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
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,
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> --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 2 +- drivers/gpu/drm/meson/meson_dw_hdmi.c | 4 ++-- drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 2 +- drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c | 2 +- include/drm/bridge/dw_hdmi.h | 2 +- 5 files changed, 6 insertions(+), 6 deletions(-)