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drm/bridge: lt9611: Don't log an error when DSI host can't be found

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[ Upstream commit cd0a2c6a08 ]

Given that failing to find a DSI host causes the driver to defer probe,
make use of dev_err_probe() to log the reason. This makes the defer
probe reason available and avoids alerting userspace about something
that is not necessarily an error.

Fixes: 23278bf54a ("drm/bridge: Introduce LT9611 DSI to HDMI bridge")
Suggested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240415-anx7625-defer-log-no-dsi-host-v3-4-619a28148e5c@collabora.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Nícolas F. R. A. Prado 2024-04-15 17:49:32 -04:00 committed by Greg Kroah-Hartman
parent fb444706ff
commit 078192c484
1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/bridge/lontium-lt9611.c
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@ -766,10 +766,8 @@ static struct mipi_dsi_device *lt9611_attach_dsi(struct lt9611 *lt9611,
int ret;
host = of_find_mipi_dsi_host_by_node(dsi_node);
if (!host) {
dev_err(lt9611->dev, "failed to find dsi host\n");
return ERR_PTR(-EPROBE_DEFER);
}
if (!host)
return ERR_PTR(dev_err_probe(lt9611->dev, -EPROBE_DEFER, "failed to find dsi host\n"));
dsi = mipi_dsi_device_register_full(host, &info);
if (IS_ERR(dsi)) {