linux-kernel - Re: [PATCH v14 0/2] Add memory bandwidth management to NVIDIA Tegra DRM driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 11 Mar 2021 20:09:28 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Matt Merhar <mattmerhar@...tonmail.com>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>
Cc:     linux-tegra@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v14 0/2] Add memory bandwidth management to NVIDIA Tegra
 DRM driver

11.03.2021 20:06, 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:
> 
> v14: - Made improvements that were suggested by Michał Mirosław to v13:
> 
>        - Changed 'unsigned int' to 'bool'.
>        - Renamed functions which calculate bandwidth state.
>        - Reworked comment in the code that explains why downscaled plane
>          require higher bandwidth.
>        - Added round-up to bandwidth calculation.
>        - Added sanity checks of the plane index and fixed out-of-bounds
>          access which happened on T124 due to the cursor plane index.
> 
> v13: - No code changes. Patches missed v5.12, re-sending them for v5.13.
> 
> Dmitry Osipenko (2):
>   drm/tegra: dc: Support memory bandwidth management
>   drm/tegra: dc: Extend debug stats with total number of events
> 
>  drivers/gpu/drm/tegra/Kconfig |   1 +
>  drivers/gpu/drm/tegra/dc.c    | 362 ++++++++++++++++++++++++++++++++++
>  drivers/gpu/drm/tegra/dc.h    |  19 ++
>  drivers/gpu/drm/tegra/drm.c   |  14 ++
>  drivers/gpu/drm/tegra/hub.c   |   3 +
>  drivers/gpu/drm/tegra/plane.c | 127 ++++++++++++
>  drivers/gpu/drm/tegra/plane.h |  15 ++
>  7 files changed, 541 insertions(+)
> 

Michał, please let me know if v14 looks good to you. I'll appreciate
yours r-b, thanks in advance.