Re: [PATCH v13] drm/bridge: it6505: fix hibernate to resume no display issue

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Il 22/05/24 08:55, kuro ha scritto:
From: Kuro Chung <kuro.chung@xxxxxxxxxx>

When the system power resumes, the TTL input of IT6505 may experience
some noise before the video signal stabilizes, necessitating a video
reset. This patch is implemented to prevent a loop of video error
interrupts, which can occur when a video reset in the video FIFO error
interrupt triggers another such interrupt. The patch processes the SCDT
and FIFO error interrupts simultaneously and ignores any video FIFO
error interrupts caused by a video reset.

Fixes: b5c84a9edcd4 ("drm/bridge: add it6505 driver")
Signed-off-by: Kuro Chung <kuro.chung@xxxxxxxxxx>
Signed-off-by: Hermes Wu <hermes.wu@xxxxxxxxxx>

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





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