[PATCH 03/17] drm/imx: parallel-display: move panel/bridge detection to fail early
Marco Felsch
m.felsch at pengutronix.de
Thu Feb 27 16:21:11 UTC 2020
We do some string parsing and string comparison in front of
drm_of_find_panel_or_bridge(). All this work is useless if the call
fails. Move drm_of_find_panel_or_bridge() infront of the parsing work to
fail early.
Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel at pengutronix.de>
---
drivers/gpu/drm/imx/parallel-display.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 1f08fe8337d7..6ee028faa9a8 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -200,6 +200,11 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
if (!imxpd)
return -ENOMEM;
+ /* port at 1 is the output port */
+ ret = drm_of_find_panel_or_bridge(np, 1, 0, &imxpd->panel, &imxpd->bridge);
+ if (ret && ret != -ENODEV)
+ return ret;
+
edidp = of_get_property(np, "edid", &imxpd->edid_len);
if (edidp)
imxpd->edid = devm_kmemdup(dev, edidp, imxpd->edid_len,
@@ -218,10 +223,6 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
}
imxpd->bus_format = bus_format;
- /* port at 1 is the output port */
- ret = drm_of_find_panel_or_bridge(np, 1, 0, &imxpd->panel, &imxpd->bridge);
- if (ret && ret != -ENODEV)
- return ret;
imxpd->dev = dev;
--
2.20.1
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