On Wed, Jun 17, 2026 at 12:14:37PM +0200, Maxime Ripard wrote:
> The megachips-stdpxxxx-ge-b850v3-fw bridge still uses the deprecated
> non-atomic bridge
> callbacks.
>
> Switch to their atomic counterparts, adding the bridge state
> handlers if not already present.
>
> Generated by the following Coccinelle script:
>
> @ is_bridge @
> identifier funcs;
> @@
>
> struct drm_bridge_funcs funcs = {
> ...,
> };
>
> @ has_create_state depends on is_bridge @
> identifier funcs, f;
> @@
>
> struct drm_bridge_funcs funcs = {
> ...,
> .atomic_create_state = f,
> ...,
> };
>
> @ update_struct depends on (is_bridge && !has_create_state) @
> identifier is_bridge.funcs;
> identifier f;
> @@
>
> struct drm_bridge_funcs funcs = {
> + .atomic_create_state = drm_atomic_helper_bridge_create_state,
> + .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
> + .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
> ...,
> };
>
> @ update_pre_enable_struct depends on (is_bridge && !has_create_state) @
> identifier is_bridge.funcs;
> identifier f;
> @@
>
> struct drm_bridge_funcs funcs = {
> ...,
> - .pre_enable = f,
> + .atomic_pre_enable = f,
> ...,
> };
>
> @ update_pre_enable_impl depends on update_pre_enable_struct @
> identifier update_pre_enable_struct.f;
> identifier b;
> @@
>
> -void f(struct drm_bridge *b)
> +void f(struct drm_bridge *b, struct drm_atomic_commit *commit)
> {
> ...
> }
>
> @ update_enable_struct depends on (is_bridge && !has_create_state) @
> identifier is_bridge.funcs;
> identifier f;
> @@
>
> struct drm_bridge_funcs funcs = {
> ...,
> - .enable = f,
> + .atomic_enable = f,
> ...,
> };
>
> @ update_enable_impl depends on update_enable_struct @
> identifier update_enable_struct.f;
> identifier b;
> @@
>
> -void f(struct drm_bridge *b)
> +void f(struct drm_bridge *b, struct drm_atomic_commit *commit)
> {
> ...
> }
>
> @ update_disable_struct depends on (is_bridge && !has_create_state) @
> identifier is_bridge.funcs;
> identifier f;
> @@
>
> struct drm_bridge_funcs funcs = {
> ...,
> - .disable = f,
> + .atomic_disable = f,
> ...,
> };
>
> @ update_disable_impl depends on update_disable_struct @
> identifier update_disable_struct.f;
> identifier b;
> @@
>
> -void f(struct drm_bridge *b)
> +void f(struct drm_bridge *b, struct drm_atomic_commit *commit)
> {
> ...
> }
>
> @ update_post_disable_struct depends on (is_bridge && !has_create_state) @
> identifier is_bridge.funcs;
> identifier f;
> @@
>
> struct drm_bridge_funcs funcs = {
> ...,
> - .post_disable = f,
> + .atomic_post_disable = f,
> ...,
> };
>
> @ update_post_disable_impl depends on update_post_disable_struct @
> identifier update_post_disable_struct.f;
> identifier b;
> @@
>
> -void f(struct drm_bridge *b)
> +void f(struct drm_bridge *b, struct drm_atomic_commit *commit)
> {
> ...
> }
>
> Signed-off-by: Maxime Ripard <[email protected]>
Reviewed-by: Ian Ray <[email protected]>
>
> ---
> To: Peter Senna Tschudin <[email protected]>
> To: Ian Ray <[email protected]>
> To: Martyn Welch <[email protected]>
> ---
> drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
> b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
> index 2d02cc69f237..25ff0a0acc93 100644
> --- a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
> +++ b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
> @@ -212,10 +212,13 @@ static int ge_b850v3_lvds_attach(struct drm_bridge
> *bridge,
>
> return ge_b850v3_lvds_create_connector(bridge);
> }
>
> static const struct drm_bridge_funcs ge_b850v3_lvds_funcs = {
> + .atomic_create_state = drm_atomic_helper_bridge_create_state,
> + .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
> + .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
> .attach = ge_b850v3_lvds_attach,
> .detect = ge_b850v3_lvds_bridge_detect,
> .edid_read = ge_b850v3_lvds_edid_read,
> };
>
>
> --
> 2.54.0
>
