Messages in this thread | | | Date | Thu, 29 Jul 2021 07:40:30 +0200 | Subject | Re: [PATCH] soc: mmsys: mediatek: add mask to mmsys routes | From | Frank Wunderlich <> |
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Am 29. Juli 2021 05:15:23 MESZ schrieb Hsin-Yi Wang <hsinyi@chromium.org>:
>This patch is breaking the mt8183 internal display. I think it's >because ~routes[i].val; is removed? >Also what should the routes[i].mask be if it's not set in >mmsys_mt8183_routing_table? > >> writel_relaxed(reg, mmsys->regs + >routes[i].addr); >> } >> } ><snip>
The mask should reset the needed bits,maybe it needs to be adjusted for your ddp components...
Can you add some debugs inside loops in mtk_mmsys_ddp_connect and mtk_mmsys_ddp_disconnect (show read val,mask and final mask before write) to show differences before and after the patch?
regards Frank
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