Messages in this thread | | | Subject | Re: [PATCH v8 08/10] gpu: host1x: mipi: Keep MIPI clock enabled till calibration is done | From | Sowjanya Komatineni <> | Date | Thu, 6 Aug 2020 09:42:59 -0700 |
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On 8/6/20 9:37 AM, Dmitry Osipenko wrote: > 06.08.2020 19:13, Dmitry Osipenko пишет: >> 06.08.2020 18:59, Sowjanya Komatineni пишет: >> .. >>> We cant use active status check for specific pads under calibration. >>> This is common bit for all pads. >> I'm not sure why this is a problem. >> > IIUC, the start_calibration() should wait for the MIPI_CAL_STATUS_ACTIVE > and finish_calibration() should wait for MIPI_AUTO_CAL_DONE_CSIA/B.
As soon as START bit it set, FSM will set ACTIVE = 1
There is no added advantage of waiting for ACTIVE to be in start_calibration()
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