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drm/imx: imx-ldb: check if channel is enabled before printing warning 

[ Upstream commit c80d673b91 ]

If the second LVDS channel has been disabled in the DT when using dual-channel
mode we should not print a warning.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Lucas Stach 2018-04-11 17:31:36 +02:00 committed by Greg Kroah-Hartman
parent a43eac2d85
commit 962ff36dac
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/imx/imx-ldb.c
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@ -655,14 +655,14 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
if (ret || i < 0 || i > 1)
return -EINVAL;
if (!of_device_is_available(child))
continue;
if (dual && i > 0) {
dev_warn(dev, "dual-channel mode, ignoring second output\n");
continue;
}
if (!of_device_is_available(child))
continue;
channel = &imx_ldb->channel[i];
channel->ldb = imx_ldb;
channel->chno = i;