Re: [PATCH] drm: mediatek: Fix display vblank timeout when disable dsi

From: AngeloGioacchino Del Regno
Date: Wed Sep 14 2022 - 04:18:07 EST


Il 14/09/22 08:18, xinlei.lee@xxxxxxxxxxxx ha scritto:
From: Xinlei Lee <xinlei.lee@xxxxxxxxxxxx>

Dsi is turned off at bridge.disable, causing crtc to wait for vblank timeout.
It is necessary to add count protection to turn off dsi, and turn off at post_disable.

Fixes: cde7e2e35c28 ("drm/mediatek: Separate poweron/poweroff from enable/disable and define new funcs")
Signed-off-by: Xinlei Lee <xinlei.lee@xxxxxxxxxxxx>

Hello Xinlei,
which machine is this commit targeting?

Can you please try to reproduce again the issue that you're seeing with my
mtk_dsi fix [1], but without this commit?

Thanks,
Angelo

[1]: https://patchwork.kernel.org/project/linux-mediatek/patch/20220721172727.14624-1-angelogioacchino.delregno@xxxxxxxxxxxxx/