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drm/atomic: Convert drm_atomic_get_connector_state() to use new connector state

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The drm_atomic_get_connector_state() function calls a hand-rolled
implementation of the deprecated
drm_atomic_get_existing_connector_state() helper to get find if a
connector state had already been allocated and was part of the given
drm_atomic_state.

At the point in time where drm_atomic_get_connector_state() can be
called (ie, during atomic_check), the existing state is the new state
and drm_atomic_get_existing_connector_state() can thus be replaced by
drm_atomic_get_new_connector_state().

Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Tested-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # on imx8mp
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/20250930-drm-no-more-existing-state-v5-1-eeb9e1287907@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
This commit is contained in:
Maxime Ripard
2025-09-30 12:59:16 +02:00
parent 4e04683022
commit fa02f9b2ff
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/drm_atomic.c
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@@ -1152,8 +1152,9 @@ drm_atomic_get_connector_state(struct drm_atomic_state *state,
state->num_connector = alloc;
}
if (state->connectors[index].state)
return state->connectors[index].state;
connector_state = drm_atomic_get_new_connector_state(state, connector);
if (connector_state)
return connector_state;
connector_state = connector->funcs->atomic_duplicate_state(connector);
if (!connector_state)