From: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> Implement the bridge connector-related .get_edid() operation, and report the related bridge capabilities and type. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> --- Changes since v1: - The connector .get_modes() operation doesn't rely on EDID anymore, __ti_sn_bridge_get_edid() and ti_sn_bridge_get_edid() got merged together Notes from Kieran: RB Tags collected from: https://lore.kernel.org/all/20210322030128.2283-9-laurent.pinchart+renesas@xxxxxxxxxxxxxxxx/ However this was over a year ago, so let me know if other patches now superceed this one or otherwise invalidate this update. drivers/gpu/drm/bridge/ti-sn65dsi86.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index c55848588123..ffb6c04f6c46 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -1154,6 +1154,19 @@ static void ti_sn_bridge_post_disable(struct drm_bridge *bridge) pm_runtime_put_sync(pdata->dev); } +static struct edid *ti_sn_bridge_get_edid(struct drm_bridge *bridge, + struct drm_connector *connector) +{ + struct ti_sn65dsi86 *pdata = bridge_to_ti_sn65dsi86(bridge); + struct edid *edid; + + pm_runtime_get_sync(pdata->dev); + edid = drm_get_edid(connector, &pdata->aux.ddc); + pm_runtime_put_autosuspend(pdata->dev); + + return edid; +} + static const struct drm_bridge_funcs ti_sn_bridge_funcs = { .attach = ti_sn_bridge_attach, .detach = ti_sn_bridge_detach, @@ -1162,6 +1175,7 @@ static const struct drm_bridge_funcs ti_sn_bridge_funcs = { .enable = ti_sn_bridge_enable, .disable = ti_sn_bridge_disable, .post_disable = ti_sn_bridge_post_disable, + .get_edid = ti_sn_bridge_get_edid, }; static void ti_sn_bridge_parse_lanes(struct ti_sn65dsi86 *pdata, @@ -1248,6 +1262,8 @@ static int ti_sn_bridge_probe(struct auxiliary_device *adev, pdata->bridge.funcs = &ti_sn_bridge_funcs; pdata->bridge.of_node = np; + pdata->bridge.ops = DRM_BRIDGE_OP_EDID; + pdata->bridge.type = DRM_MODE_CONNECTOR_eDP; drm_bridge_add(&pdata->bridge); -- 2.32.0
