[PATCH v12 4/5] drm/tegra: dc: Support memory bandwidth management

Dmitry Osipenko digetx at gmail.com
Mon Jan 25 17:35:38 UTC 2021


28.12.2020 18:49, Dmitry Osipenko пишет:
> Display controller (DC) performs isochronous memory transfers, and thus,
> has a requirement for a minimum memory bandwidth that shall be fulfilled,
> otherwise framebuffer data can't be fetched fast enough and this results
> in a DC's data-FIFO underflow that follows by a visual corruption.
> 
> The Memory Controller drivers provide facility for memory bandwidth
> management via interconnect API. Let's wire up the interconnect API
> support to the DC driver in order to fix the distorted display output
> on T30 Ouya, T124 TK1 and other Tegra devices.
> 
> Tested-by: Peter Geis <pgwipeout at gmail.com>
> Tested-by: Nicolas Chauvet <kwizart at gmail.com>
> Signed-off-by: Dmitry Osipenko <digetx at gmail.com>
> ---

Thierry, I'm looking forward to yours review. Only DRM patches are left
unmerged yet in this series.


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