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

MLK-24190: drm: imx: dw_hdmi: Add resume function 

HDMI modules will be reset when device enter suspend,
and registers status will lost.
Add resume function to recovery HDMI INT/I2C/HPD registers status.

Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
Tested-by: Shengjiu Wang <shengjiu.wang@nxp.com>
5.4-rM2-2.2.x-imx-squashed
Sandor Yu 2020-05-27 15:15:50 +08:00
parent f91e00912e
commit 6a7dda286d
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/gpu/drm/imx/dw_hdmi-imx.c
View File

@ -475,11 +475,25 @@ static int dw_hdmi_imx_remove(struct platform_device *pdev)
return 0;
}
static int __maybe_unused dw_hdmi_imx_resume(struct device *dev)
{
struct imx_hdmi *hdmi = dev_get_drvdata(dev);
dw_hdmi_resume(hdmi->hdmi);
return 0;
}
static const struct dev_pm_ops dw_hdmi_imx_pm = {
SET_SYSTEM_SLEEP_PM_OPS(NULL, dw_hdmi_imx_resume)
};
static struct platform_driver dw_hdmi_imx_platform_driver = {
.probe = dw_hdmi_imx_probe,
.remove = dw_hdmi_imx_remove,
.driver = {
.name = "dwhdmi-imx",
.pm = &dw_hdmi_imx_pm,
.of_match_table = dw_hdmi_imx_dt_ids,
},
};