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

From: AngeloGioacchino Del Regno
Date: Mon Jul 04 2022 - 07:45:02 EST


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@xxxxxxxxxxxx>
Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>

---
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(-)