Re: [PATCH v3 07/12] drm/bridge: ti-sn65dsi86: Remove extra call: drm_connector_update_edid_property()

From: Laurent Pinchart
Date: Sun Apr 04 2021 - 21:02:46 EST


Hi Doug,

Thank you for the patch.

On Fri, Apr 02, 2021 at 03:28:41PM -0700, Douglas Anderson wrote:
> As of commit 5186421cbfe2 ("drm: Introduce epoch counter to
> drm_connector") the drm_get_edid() function calls
> drm_connector_update_edid_property() for us. There's no reason for us
> to call it again.
>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

This looks like a widespread issue, would you be able to send a patch to
address all the other drivers ?

> ---
>
> (no changes since v1)
>
> drivers/gpu/drm/bridge/ti-sn65dsi86.c | 11 ++++-------
> 1 file changed, 4 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> index 51db30d573c1..6390bc58f29a 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> @@ -270,7 +270,7 @@ static int ti_sn_bridge_connector_get_modes(struct drm_connector *connector)
> {
> struct ti_sn_bridge *pdata = connector_to_ti_sn_bridge(connector);
> struct edid *edid = pdata->edid;
> - int num, ret;
> + int num;
>
> if (!edid) {
> pm_runtime_get_sync(pdata->dev);
> @@ -279,12 +279,9 @@ static int ti_sn_bridge_connector_get_modes(struct drm_connector *connector)
> }
>
> if (edid && drm_edid_is_valid(edid)) {
> - ret = drm_connector_update_edid_property(connector, edid);
> - if (!ret) {
> - num = drm_add_edid_modes(connector, edid);
> - if (num)
> - return num;
> - }
> + num = drm_add_edid_modes(connector, edid);
> + if (num)
> + return num;
> }
>
> return drm_panel_get_modes(pdata->panel, connector);

--
Regards,

Laurent Pinchart