On Tue, Feb 25, 2025 at 05:43:52PM +0100, Maxime Ripard wrote: > With the bridges switching over to drm_bridge_connector, the direct > association between a bridge driver and its connector was lost. > > This is mitigated for atomic bridge drivers by the fact you can access > the encoder, and then call drm_atomic_get_old_connector_for_encoder() or > drm_atomic_get_new_connector_for_encoder() with drm_atomic_state. > > This was also made easier by providing drm_atomic_state directly to all > atomic hooks bridges can implement. > > However, bridge drivers don't have a way to access drm_atomic_state > outside of the modeset path, like from the hotplug interrupt path or any > interrupt handler. > > Let's introduce a function to retrieve the connector currently assigned > to an encoder, without using drm_atomic_state, to make these drivers' > life easier. > > Co-developed-by: Simona Vetter <simona.vetter@xxxxxxxx> > Signed-off-by: Maxime Ripard <mripard@xxxxxxxxxx> > --- > drivers/gpu/drm/drm_atomic.c | 45 ++++++++++++++++++++++++++++++++++++++++++++ > include/drm/drm_atomic.h | 3 +++ > 2 files changed, 48 insertions(+) > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> -- With best wishes Dmitry
