Re: [PATCH 5.10] Revert "drm: meson_drv add shutdown function"

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hi all

i have test it on (VIM1 VIM2 VIM3 VIM3L) its works on my side
+ 5.10.11
+ 5.11.x
+ 5.13.x
+ 5.14.x
+ 5.15.x
+ 5.16.x

can u share your kernel config (i know for some kernel configuration
drivers still have problem with reboot )


On Sun, Dec 5, 2021 at 5:32 AM Jerome Brunet <jbrunet@xxxxxxxxxxxx> wrote:
>
> This reverts commit d66083c0d6f5125a4d982aa177dd71ab4cd3d212
> and commit d4ec1ffbdaa8939a208656e9c1440742c457ef16.
>
> On v5.10 stable, reboot gets stuck on gxl and g12a chip family (at least).
> This was tested on the aml-s905x-cc from libretch and the u200 reference
> design.
>
> Bisecting on the v5.10 stable branch lead to
> commit d4ec1ffbdaa8 ("drm: meson_drv add shutdown function").
>
> Reverting it (and a fixes on the it) sloves the problem.
>
> Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
> ---
>
> Hi Greg,
>
> Things are fine on master but it breaks on v5.10-y.
> I did not check v5.14-y yet. I'll try next week.
>
>
>  drivers/gpu/drm/meson/meson_drv.c | 12 ------------
>  1 file changed, 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
> index 2753067c08e6..3d1de9cbb1c8 100644
> --- a/drivers/gpu/drm/meson/meson_drv.c
> +++ b/drivers/gpu/drm/meson/meson_drv.c
> @@ -482,17 +482,6 @@ static int meson_probe_remote(struct platform_device *pdev,
>         return count;
>  }
>
> -static void meson_drv_shutdown(struct platform_device *pdev)
> -{
> -       struct meson_drm *priv = dev_get_drvdata(&pdev->dev);
> -
> -       if (!priv)
> -               return;
> -
> -       drm_kms_helper_poll_fini(priv->drm);
> -       drm_atomic_helper_shutdown(priv->drm);
> -}
> -
>  static int meson_drv_probe(struct platform_device *pdev)
>  {
>         struct component_match *match = NULL;
> @@ -564,7 +553,6 @@ static const struct dev_pm_ops meson_drv_pm_ops = {
>
>  static struct platform_driver meson_drm_platform_driver = {
>         .probe      = meson_drv_probe,
> -       .shutdown   = meson_drv_shutdown,
>         .driver     = {
>                 .name   = "meson-drm",
>                 .of_match_table = dt_match,
> --
> 2.34.0
>



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