[PATCH v18 0/2] Add memory bandwidth management to NVIDIA Tegra DRM driver

Dmitry Osipenko digetx at gmail.com
Mon Jun 21 04:19:15 UTC 2021


07.06.2021 01:40, Dmitry Osipenko пишет:
> 01.06.2021 07:21, Dmitry Osipenko пишет:
>> This series adds memory bandwidth management to the NVIDIA Tegra DRM driver,
>> which is done using interconnect framework. It fixes display corruption that
>> happens due to insufficient memory bandwidth.
>>
>> Changelog:
>>
>> v18: - Moved total peak bandwidth from CRTC state to plane state and removed
>>        dummy plane bandwidth state initialization from T186+ plane hub. This
>>        was suggested by Thierry Reding to v17.
>>
>>      - I haven't done anything about the cursor's plane bandwidth which
>>        doesn't contribute to overlapping bandwidths for a small sized
>>        window because it works okay as-is.
> 
> Thierry, will you take these patches for 5.14?
> 

The display controller does _NOT_WORK_ properly without bandwidth
management. Can we get this patch into 5.14? What is the problem?


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