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drm/bridge: Introduce drm_bridge_is_atomic() helper

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We test for whether the bridge is atomic in several places in the source
code, so let's consolidate them.

Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250313-bridge-connector-v6-11-511c54a604fb@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
This commit is contained in:
Maxime Ripard 2025-03-13 13:00:05 +01:00
parent e17fadff7a
commit ba6c94d51a
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GPG key ID: 275FCE19A23DBE76
1 changed files with 7 additions and 2 deletions
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9
drivers/gpu/drm/drm_bridge.c
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@ -281,6 +281,11 @@ static const struct drm_private_state_funcs drm_bridge_priv_state_funcs = {
.atomic_destroy_state = drm_bridge_atomic_destroy_priv_state,
};
static bool drm_bridge_is_atomic(struct drm_bridge *bridge)
{
return bridge->funcs->atomic_reset != NULL;
}
/**
* drm_bridge_attach - attach the bridge to an encoder's chain
*
@ -333,7 +338,7 @@ int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge,
goto err_reset_bridge;
}
if (bridge->funcs->atomic_reset) {
if (drm_bridge_is_atomic(bridge)) {
struct drm_bridge_state *state;
state = bridge->funcs->atomic_reset(bridge);
@ -378,7 +383,7 @@ void drm_bridge_detach(struct drm_bridge *bridge)
if (WARN_ON(!bridge->dev))
return;
if (bridge->funcs->atomic_reset)
if (drm_bridge_is_atomic(bridge))
drm_atomic_private_obj_fini(&bridge->base);
if (bridge->funcs->detach)