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

AngeloGioacchino Del Regno angelogioacchino.delregno at collabora.com
Wed Sep 14 01:17:36 PDT 2022


Il 14/09/22 08:18, xinlei.lee at mediatek.com ha scritto:
> From: Xinlei Lee <xinlei.lee at mediatek.com>
> 
> 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 at mediatek.com>

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@collabora.com/




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