redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

MLK-23942-8 drm/imx: imx8qm-ldb: Add runtime PM support 

This patch adds runtime PM support for i.MX8qm LDB encoder driver.

Signed-off-by: Liu Ying <victor.liu@nxp.com>
Reviewed-by: Sandor Yu <Sandor.yu@nxp.com>
5.4-rM2-2.2.x-imx-squashed
Liu Ying 2020-05-07 12:50:13 +08:00
parent 7a01ba26cc
commit b5ab20ff3f
1 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/imx/imx8qm-ldb.c
View File

@ -404,9 +404,11 @@ imx8qm_ldb_bind(struct device *dev, struct device *master, void *data)
DRM_MODE_ENCODER_LVDS, NULL);
}
pm_runtime_enable(dev);
ret = ldb_bind(ldb, encoder);
if (ret)
return ret;
goto disable_pm_runtime;
for_each_child_of_node(np, child) {
struct imx8qm_ldb_channel *imx8qm_ldb_ch;
@ -458,13 +460,16 @@ get_phy:
ret = imx_drm_encoder_parse_of(drm, encoder[i], ldb_ch->child);
if (ret)
return ret;
goto disable_pm_runtime;
}
return 0;
free_child:
of_node_put(child);
disable_pm_runtime:
pm_runtime_disable(dev);
return ret;
}
@ -483,6 +488,8 @@ static void imx8qm_ldb_unbind(struct device *dev, struct device *master,
phy_exit(imx8qm_ldb_ch->phy);
}
pm_runtime_disable(dev);
}
static const struct component_ops imx8qm_ldb_ops = {