[PATCH v1 09/12] drm/rcar-du: lvds: Use drm_bridge_funcs.atomic_check

[Dave Stevenson]

On Sun, 17 Jul 2022 at 18:58, Sam Ravnborg <sam at ravnborg.org> wrote:
>
> Replace the deprecated drm_bridge_funcs.mode_fixup() with
> drm_bridge_funcs.atomic_check().
> The driver implements the state operations, so no other changes
> are required for the replacement.
>
> Signed-off-by: Sam Ravnborg <sam at ravnborg.org>

Reviewed-by: Dave Stevenson <dave.stevenson at raspberrypi.com>

> Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> Cc: Kieran Bingham <kieran.bingham+renesas at ideasonboard.com>
> Cc: linux-renesas-soc at vger.kernel.org
> ---
>  drivers/gpu/drm/rcar-du/rcar_lvds.c | 12 +++++++-----
>  1 file changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c
> index 830aac0a2cb4..c4adbcede090 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_lvds.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c
> @@ -554,10 +554,12 @@ static void rcar_lvds_atomic_disable(struct drm_bridge *bridge,
>         clk_disable_unprepare(lvds->clocks.mod);
>  }
>
> -static bool rcar_lvds_mode_fixup(struct drm_bridge *bridge,
> -                                const struct drm_display_mode *mode,
> -                                struct drm_display_mode *adjusted_mode)
> +static int rcar_lvds_atomic_check(struct drm_bridge *bridge,
> +                                 struct drm_bridge_state *bridge_state,
> +                                 struct drm_crtc_state *crtc_state,
> +                                 struct drm_connector_state *conn_state)
>  {
> +       struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode;
>         struct rcar_lvds *lvds = bridge_to_rcar_lvds(bridge);
>         int min_freq;
>
> @@ -569,7 +571,7 @@ static bool rcar_lvds_mode_fixup(struct drm_bridge *bridge,
>         min_freq = lvds->info->quirks & RCAR_LVDS_QUIRK_EXT_PLL ? 5000 : 31000;
>         adjusted_mode->clock = clamp(adjusted_mode->clock, min_freq, 148500);
>
> -       return true;
> +       return 0;
>  }
>
>  static int rcar_lvds_attach(struct drm_bridge *bridge,
> @@ -591,7 +593,7 @@ static const struct drm_bridge_funcs rcar_lvds_bridge_ops = {
>         .atomic_reset = drm_atomic_helper_bridge_reset,
>         .atomic_enable = rcar_lvds_atomic_enable,
>         .atomic_disable = rcar_lvds_atomic_disable,
> -       .mode_fixup = rcar_lvds_mode_fixup,
> +       .atomic_check = rcar_lvds_atomic_check,
>  };
>
>  bool rcar_lvds_dual_link(struct drm_bridge *bridge)
> --
> 2.34.1
>