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94c1adc4c1
It turns out the encoder retrieval code, in addition to being unnecessarily complicated, has a bug when only the planes and crtcs are affected by a given atomic commit. Indeed, in such a case, either drm_atomic_get_old_connector_state or drm_atomic_get_new_connector_state will return NULL and thus our encoder retrieval code will not match on anything. We can however simplify the code by using drm_for_each_encoder_mask, the drm_crtc_state storing the encoders a given CRTC is connected to directly and without relying on any other state. Signed-off-by: Maxime Ripard <maxime@cerno.tech> Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com> Link: https://lore.kernel.org/r/20211025152903.1088803-6-maxime@cerno.tech |
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