On 27/07/23 12:01, Jain, Nikhil wrote:
> Perform removal of DSS if kconfigs VIDEO_REMOVE or SPL_VIDEO_REMOVE is
> set by user. Otherwise if above Kconfigs are not selected, it is assumed
> that user wants splash screen to be displayed until linux kernel boots
> up. In such scenario, leave the power domain of DSS as "on" so that
> splash screen stays intact until kernel boots up.
>
> Signed-off-by: Nikhil M Jain <n-ja...@ti.com>
Reviewed-by: Devarsh Thakkar <devar...@ti.com>
> ---
> drivers/video/tidss/tidss_drv.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/video/tidss/tidss_drv.c b/drivers/video/tidss/tidss_drv.c
> index 623bf4cf31..e285f255d7 100644
> --- a/drivers/video/tidss/tidss_drv.c
> +++ b/drivers/video/tidss/tidss_drv.c
> @@ -901,9 +901,11 @@ static int tidss_drv_probe(struct udevice *dev)
>
> static int tidss_drv_remove(struct udevice *dev)
> {
> - struct tidss_drv_priv *priv = dev_get_priv(dev);
> + if (CONFIG_IS_ENABLED(VIDEO_REMOVE)) {
> + struct tidss_drv_priv *priv = dev_get_priv(dev);
>
> - VP_REG_FLD_MOD(priv, 0, DSS_VP_CONTROL, 0, 0, 0);
> + VP_REG_FLD_MOD(priv, 0, DSS_VP_CONTROL, 0, 0, 0);
> + }
> return 0;
> }
>
> @@ -929,5 +931,9 @@ U_BOOT_DRIVER(tidss_drv) = {
> .probe = tidss_drv_probe,
> .remove = tidss_drv_remove,
> .priv_auto = sizeof(struct tidss_drv_priv),
> +#if CONFIG_IS_ENABLED(VIDEO_REMOVE)
> .flags = DM_FLAG_OS_PREPARE,
> +#else
> + .flags = DM_FLAG_OS_PREPARE | DM_FLAG_LEAVE_PD_ON,
> +#endif
> };
