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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-08-09 12:12:52 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-08-09 12:12:52 +0200
commitd0ed4c60abfb9a4ab6cd416d1dea9df6266f8fc7 (patch)
tree8fd3af1a9e788333e85d2a51a4fc2a9858a9a95a /drivers/gpu/drm/imx/imx-ldb.c
parentACPI / x86: enable touchscreen on Dell Venue Pro 7139 (diff)
parentACPI / scan: Create platform device for fwnodes with multiple i2c devices (diff)
downloadlinux-dev-d0ed4c60abfb9a4ab6cd416d1dea9df6266f8fc7.tar.xz
linux-dev-d0ed4c60abfb9a4ab6cd416d1dea9df6266f8fc7.zip
Merge branch 'acpi-scan' to satisfy dependencies.
Diffstat (limited to 'drivers/gpu/drm/imx/imx-ldb.c')
-rw-r--r--drivers/gpu/drm/imx/imx-ldb.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index 56dd7a9a8e25..dd5312b02a8d 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -612,6 +612,9 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
return PTR_ERR(imx_ldb->regmap);
}
+ /* disable LDB by resetting the control register to POR default */
+ regmap_write(imx_ldb->regmap, IOMUXC_GPR2, 0);
+
imx_ldb->dev = dev;
if (of_id)
@@ -652,14 +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;