[RESEND][PATCH 1/2] drm/bridge: lt9611: Switch to atomic operations

[Robert Foss]

On Thu, 31 Mar 2022 at 17:39, Marek Vasut <marex at denx.de> wrote:
>
> Use the atomic version of the enable/disable operations to continue the
> transition to the atomic API. This will be needed to access the mode
> from the atomic state.
>
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Dave Airlie <airlied at redhat.com>
> Cc: John Stultz <john.stultz at linaro.org>
> Cc: Maxime Ripard <maxime at cerno.tech>
> Cc: Sam Ravnborg <sam at ravnborg.org>
> Cc: Thomas Zimmermann <tzimmermann at suse.de>
> ---
>  drivers/gpu/drm/bridge/lontium-lt9611.c | 22 ++++++++++++++++------
>  1 file changed, 16 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c
> index 63df2e8a8abc..9b3ac3794a2c 100644
> --- a/drivers/gpu/drm/bridge/lontium-lt9611.c
> +++ b/drivers/gpu/drm/bridge/lontium-lt9611.c
> @@ -700,7 +700,9 @@ lt9611_connector_mode_valid(struct drm_connector *connector,
>  }
>
>  /* bridge funcs */
> -static void lt9611_bridge_enable(struct drm_bridge *bridge)
> +static void
> +lt9611_bridge_atomic_enable(struct drm_bridge *bridge,
> +                           struct drm_bridge_state *old_bridge_state)
>  {
>         struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
>
> @@ -721,7 +723,9 @@ static void lt9611_bridge_enable(struct drm_bridge *bridge)
>         regmap_write(lt9611->regmap, 0x8130, 0xea);
>  }
>
> -static void lt9611_bridge_disable(struct drm_bridge *bridge)
> +static void
> +lt9611_bridge_atomic_disable(struct drm_bridge *bridge,
> +                            struct drm_bridge_state *old_bridge_state)
>  {
>         struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
>         int ret;
> @@ -856,7 +860,9 @@ static void lt9611_bridge_pre_enable(struct drm_bridge *bridge)
>         lt9611->sleep = false;
>  }
>
> -static void lt9611_bridge_post_disable(struct drm_bridge *bridge)
> +static void
> +lt9611_bridge_atomic_post_disable(struct drm_bridge *bridge,
> +                                 struct drm_bridge_state *old_bridge_state)
>  {
>         struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
>
> @@ -919,13 +925,17 @@ static void lt9611_bridge_hpd_enable(struct drm_bridge *bridge)
>  static const struct drm_bridge_funcs lt9611_bridge_funcs = {
>         .attach = lt9611_bridge_attach,
>         .mode_valid = lt9611_bridge_mode_valid,
> -       .enable = lt9611_bridge_enable,
> -       .disable = lt9611_bridge_disable,
> -       .post_disable = lt9611_bridge_post_disable,
>         .mode_set = lt9611_bridge_mode_set,
>         .detect = lt9611_bridge_detect,
>         .get_edid = lt9611_bridge_get_edid,
>         .hpd_enable = lt9611_bridge_hpd_enable,
> +
> +       .atomic_enable = lt9611_bridge_atomic_enable,
> +       .atomic_disable = lt9611_bridge_atomic_disable,
> +       .atomic_post_disable = lt9611_bridge_atomic_post_disable,
> +       .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
> +       .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
> +       .atomic_reset = drm_atomic_helper_bridge_reset,
>  };
>
>  static int lt9611_parse_dt(struct device *dev,
> --
> 2.35.1
>

Reviewed-by: Robert Foss <robert.foss at linaro.org>