> -----Original Message----- > From: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> > Sent: Tuesday, May 23, 2023 3:40 PM > To: Murthy, Arun R <arun.r.murthy@xxxxxxxxx>; intel- > gfx@xxxxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH 1/6] drm/i915/display: Add support for global > histogram > > On Thu, 18 May 2023, Arun R Murthy <arun.r.murthy@xxxxxxxxx> wrote: > > API are added to enable/disable histogram. Upon generation of > > histogram interrupt its notified to the usespace. User can then use > > this histogram and generate a LUT which is then fed back to the > enahancement block. > > Histogram is an image statistics based on the input pixel stream. > > LUT is a look up table consisiting of pixel data. > > Where's the corresponding userspace? > > See Documentation/gpu/drm-uapi.rst under "Open-Source Userspace > Requirements". > Will be posting info on the user space component very soon. > > Signed-off-by: Arun R Murthy <arun.r.murthy@xxxxxxxxx> > > --- > > drivers/gpu/drm/i915/Makefile | 1 + > > .../drm/i915/display/intel_display_types.h | 3 + > > .../gpu/drm/i915/display/intel_global_hist.c | 295 > > ++++++++++++++++++ .../gpu/drm/i915/display/intel_global_hist.h | > > 117 +++++++ > > 4 files changed, 416 insertions(+) > > create mode 100644 drivers/gpu/drm/i915/display/intel_global_hist.c > > create mode 100644 drivers/gpu/drm/i915/display/intel_global_hist.h > > > > diff --git a/drivers/gpu/drm/i915/Makefile > > b/drivers/gpu/drm/i915/Makefile index 5ab909ec24e5..eac1e0d7bd30 > > 100644 > > --- a/drivers/gpu/drm/i915/Makefile > > +++ b/drivers/gpu/drm/i915/Makefile > > @@ -295,6 +295,7 @@ i915-y += \ > > display/intel_dpll.o \ > > display/intel_dpll_mgr.o \ > > display/intel_dpt.o \ > > + display/intel_global_hist.o \ > > Comment near the top of the Makefile: > > # Please keep these build lists sorted! > > Also, I'm not sure "global hist" is a good name. The hardware block is named as histogram block and enhancement block. Hence the name global histogram. A short form of this global_hist! Any other inputs on the naming convention? Thanks and Regards, Arun R Murthy --------------------