[PATCH] drm/mediatek: ensure bridge disable happends before suspend

[AngeloGioacchino Del Regno]

Il 29/06/22 21:05, Hsin-Yi Wang ha scritto:
> Make sure bridge_disable will be called before suspend by calling
> drm_mode_config_helper_suspend() in .prepare callback.
> 
> Signed-off-by: Hsin-Yi Wang <hsinyi at chromium.org>
> Reviewed-by: CK Hu <ck.hu at mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

> ---
> The issue is found if suspend is called via VT2 in several MTK SoC (eg.
> MT8173, MT8183, MT8186) chromebook boards with eDP bridge:
> bridge disable is called through mtk-drm's suspend, and it needs to be
> called before bridge pm runtime suspend.
> So we move the hook to .prepare() and .complete().
> ---
>   drivers/gpu/drm/mediatek/mtk_drm_drv.c | 16 ++++++++--------
>   1 file changed, 8 insertions(+), 8 deletions(-)
>