[PATCH 05/13] drm/meson: encoder_hdmi: Use CEC phys addr from display_info
Hans Verkuil
hverkuil+cisco at kernel.org
Mon May 18 23:36:50 PDT 2026
On 18/05/2026 21:47, Jonas Karlman wrote:
> The dw-hdmi bridge detect() func now updates EDID for the connector.
> Something that ensures that display_info.source_physical_address has an
> updated CEC phys addr when the hpd_notify() func is called.
>
> Change to use display_info source_physical_address directly instead of
> re-reading EDID to set the CEC phys addr at HPD interrupt.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Acked-by: Hans Verkuil <hverkuil+cisco at kernel.org>
Regards,
Hans
> ---
> drivers/gpu/drm/meson/meson_encoder_hdmi.c | 26 ++++------------------
> 1 file changed, 4 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/gpu/drm/meson/meson_encoder_hdmi.c b/drivers/gpu/drm/meson/meson_encoder_hdmi.c
> index 55c0601df3c6..1b9a1d9ed3d3 100644
> --- a/drivers/gpu/drm/meson/meson_encoder_hdmi.c
> +++ b/drivers/gpu/drm/meson/meson_encoder_hdmi.c
> @@ -330,28 +330,10 @@ static void meson_encoder_hdmi_hpd_notify(struct drm_bridge *bridge,
> if (!encoder_hdmi->cec_notifier)
> return;
>
> - if (status == connector_status_connected) {
> - const struct drm_edid *drm_edid;
> - const struct edid *edid;
> -
> - drm_edid = drm_bridge_edid_read(encoder_hdmi->bridge.next_bridge,
> - encoder_hdmi->connector);
> - if (!drm_edid)
> - return;
> -
> - /*
> - * FIXME: The CEC physical address should be set using
> - * cec_notifier_set_phys_addr(encoder_hdmi->cec_notifier,
> - * connector->display_info.source_physical_address) from a path
> - * that has read the EDID and called
> - * drm_edid_connector_update().
> - */
> - edid = drm_edid_raw(drm_edid);
> -
> - cec_notifier_set_phys_addr_from_edid(encoder_hdmi->cec_notifier, edid);
> -
> - drm_edid_free(drm_edid);
> - } else
> + if (status == connector_status_connected)
> + cec_notifier_set_phys_addr(encoder_hdmi->cec_notifier,
> + connector->display_info.source_physical_address);
> + else
> cec_notifier_phys_addr_invalidate(encoder_hdmi->cec_notifier);
> }
>
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