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

From: Dmitry Osipenko
Date: Thu Mar 11 2021 - 12:10:08 EST


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.