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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-07-27 10:03:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-07-27 10:03:08 -0700 |
| commit | 3c9fdefe516f350469ac105943fb1bc22e3e8196 (patch) | |
| tree | 08284f4236031329c7d339cc4333248d8b22fa3b /drivers/gpu/drm/imx/imx-ldb.c | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input (diff) | |
| parent | Merge tag 'imx-drm-fixes-2018-07-20' of git://git.pengutronix.de/git/pza/linux into drm-fixes (diff) | |
| download | linux-dev-3c9fdefe516f350469ac105943fb1bc22e3e8196.tar.xz linux-dev-3c9fdefe516f350469ac105943fb1bc22e3e8196.zip | |
Merge tag 'drm-fixes-2018-07-27' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Not much happening this week which is good: two imx display fixes and
one i915 quirk addition"
* tag 'drm-fixes-2018-07-27' of git://anongit.freedesktop.org/drm/drm:
drm/i915/glk: Add Quirk for GLK NUC HDMI port issues.
gpu: ipu-csi: Check for field type alternate
drm/imx: imx-ldb: check if channel is enabled before printing warning
drm/imx: imx-ldb: disable LDB on driver bind
Diffstat (limited to 'drivers/gpu/drm/imx/imx-ldb.c')
| -rw-r--r-- | drivers/gpu/drm/imx/imx-ldb.c | 9 |
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; |