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 09:43:58 -0700 |
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On 8/6/20 9:42 AM, Sowjanya Komatineni wrote: > > 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() Also like I explained in other post of same discussion, ACTIVE we will be 1 even when other parallel pads are under calibration.
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