Messages in this thread | | | Date | Fri, 31 Mar 2023 11:46:17 +0200 | From | Boris Brezillon <> | Subject | Re: [PATCH v1 RESEND 2/2] drm/panfrost: Add basic support for speed binning |
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On Fri, 31 Mar 2023 10:11:07 +0200 AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> wrote:
> Il 23/03/23 10:08, AngeloGioacchino Del Regno ha scritto: > > Some SoCs implementing ARM Mali GPUs are subject to speed binning: > > this means that some versions of the same SoC model may need to be > > limited to a slower frequency compared to the other: > > this is being addressed by reading nvmem (usually, an eFuse array) > > containing a number that identifies the speed binning of the chip, > > which is usually related to silicon quality. > > > > To address such situation, add basic support for reading the > > speed-bin through nvmem, as to make it possible to specify the > > supported hardware in the OPP table for GPUs. > > This commit also keeps compatibility with any platform that does > > not specify (and does not even support) speed-binning. > > > > Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> > > Hello maintainers, > I've seen that this got archived in the dri-devel patchwork; because of that and > only that, I'm sending this ping to get this patch reviewed.
Series queued to drm-misc-next.
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