[PATCHv10 00/10] Display Global Histogram

[Murthy, Arun R]

> On Mon, Dec 09, 2024 at 09:54:54PM +0530, Arun R Murthy wrote:
> > Display histogram is a hardware functionality where a statistics for 'x'
> > number of frames is generated to form a histogram data. This is
> > notified to the user via histogram event. Compositor will then upon
> > sensing the histogram event will read the histogram data from KMD via crtc
> property.
> > A library can be developed to take this generated histogram as an
> > input and apply some algorithm to generate an Image EnhancemenT(IET).
> > This is further fed back to the KMD via crtc property. KMD will use
> > this IET as a multiplicand factor to multiply with the incoming pixels
> > at the end of the pipe which is then pushed onto the display.
> >
> > One such library Global Histogram Enhancement(GHE) will take the
> > histogram as input and applied the algorithm to enhance the density
> > and then return the enhanced factor. This library can be located @
> > https://github.com/intel/ghe
> >
> > The corresponding mutter changes to enable/disable histogram, read the
> > histogram data, communicate with the library and write the enhanced
> > data back to the KMD is also pushed for review at
> > https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3873
> > and
> > https://gitlab.gnome.org/GNOME/mutter/-
> /merge_requests/3873/diffs?comm
> > it_id=270808ca7c8be48513553d95b4a47541f5d40206
> > The IGT changes for validating the histogram event and reading the
> > histogram is also pushed for review at
> > https://patchwork.freedesktop.org/series/135789/
> 
> I think other people have already asked this on previous postings of these
> patches, but please don't try to manually hack the version numbers within a
> series.  What you just posted has "PATCHv10" on the cover letter, "PATCHv2" on
> one patch, "PATCHv3" on three patches, and the rest are unversioned "PATCH."
> The general expectation these days is that versioning in the subject applies to
> the series as a whole, not the individual patches, so this causes a lot of
> confusion.  Posting like you did here also wrecks havoc on a lot of the tools
> people use to manage and compare series like the "b4" tool.
> 
> When generating and sending a new series, you should just do something like
> "git format-patch -v10 ..." so that the proper "v10" numbering is automatically
> applied to all the patches and we don't wind up with this strange jumble.
> 
> 
Will use b4 in future.

Thanks and Regards,
Arun R Murthy
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