Re: [Intel-gfx] [PATCH v3 0/3] CRTC background color

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On Thu, Dec 27, 2018 at 4:45 PM Matt Roper <matthew.d.roper@xxxxxxxxx> wrote:
>
> On Thu, Dec 27, 2018 at 04:22:28PM -0800, Stéphane Marchesin wrote:
> > On Thu, Dec 27, 2018 at 3:49 PM Li, Wei C <wei.c.li@xxxxxxxxx> wrote:
> > >
> > > Matt,
> > >
> > > Is that possible for you to get some time to review https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/1387366 and confirm the FROMLIST change if it looks good to you so we could move forward?
> > >
> >
> > To be more precise, I am trying to assess what's needed before this
> > patch goes usptream, and in particular, I'd like to know if we are
> > blocked on any Chrome-side thing.
> >
> > Stéphane
> >
>
> Hi Stéphane.  On the Chrome side of things, I believe we need an Ack
> from the ChromeOS userspace team on the ABI, plus a pointer to where the
> final, reviewed userspace patches are that correspond to it (mailing
> list link or gerrit or whatever).  I have an old gerrit link to some
> in-development chromium/ozone patches for this from November 2nd, but
> I'm not sure if there's a newer one now.

IMO from user space the ABI is good. I think the question is more
whether other hw would be fine with it. For example if we notice that
other platforms can only do black as a background color, how can we
make this API standard. Hopefully other folks can chime in here about
other hw capabilities.

Stéphane


>
> Aside from satisfying the ABI/userspace requirements, we still need all
> the patches to get reviewed by the upstream kernel devs.  An older
> version of patch #2 has a r-b from Sean, but patches 1 and 3 haven't
> been accepted yet.  Actually it looks like I never sent the latest
> version of my series that incorporates some additional feedback from
> Brian Starkey to the list; I'll do that tomorrow.  I think a lot of
> people are still out on holiday vacation at the moment, so if necessary
> I'll start pinging IRC for reviews in a week or two when people are back
> in office.
>
>
> Matt
>
> >
> > > BTW, I've backported your kernel patch into Chrome OS and verified it using the TEST=drm-tests/atomictest -t crtc_background_color on a Google Pixelbook with KBL graphics.
> > >
> > > Thanks,
> > > Wei
> > >
> > > -----Original Message-----
> > > From: Stéphane Marchesin [mailto:marcheu@xxxxxxxxxxxx]
> > > Sent: Thursday, December 27, 2018 3:27 PM
> > > To: Roper, Matthew D <matthew.d.roper@xxxxxxxxx>
> > > Cc: intel-gfx <intel-gfx@xxxxxxxxxxxxxxxxxxxxx>; Li, Wei C <wei.c.li@xxxxxxxxx>; dri-devel <dri-devel@xxxxxxxxxxxxxxxxxxxxx>
> > > Subject: Re: [Intel-gfx] [PATCH v3 0/3] CRTC background color
> > >
> > > Hey,
> > >
> > > Is there anything missing on the Chrome side to move forward with this series?
> > >
> > > Stéphane
> > >
> > > On Thu, Nov 15, 2018 at 2:14 PM Matt Roper <matthew.d.roper@xxxxxxxxx> wrote:
> > > >
> > > > Third version of the series previously posted here:
> > > >
> > > > https://lists.freedesktop.org/archives/intel-gfx/2018-November/181777.
> > > > html
> > > >
> > > > This version incorporates review feedback from Ville and Sean Paul.
> > > >
> > > > The first patch here can be merged whenever it receives review approval.
> > > > The second and third patches still need to wait for opensource
> > > > userspace to be ready before merging (there's ChromeOS work underway).
> > > >
> > > > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> > > > Cc: Wei C Li <wei.c.li@xxxxxxxxx>
> > > > Cc: Sean Paul <sean@xxxxxxxxxx>
> > > > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > > >
> > > > Matt Roper (3):
> > > >   drm/i915: Force background color to black for gen9+ (v2)
> > > >   drm: Add CRTC background color property (v2)
> > > >   drm/i915/gen9+: Add support for pipe background color (v3)
> > > >
> > > >  drivers/gpu/drm/drm_atomic_state_helper.c |  1 +
> > > >  drivers/gpu/drm/drm_atomic_uapi.c         |  5 ++++
> > > >  drivers/gpu/drm/drm_blend.c               | 21 +++++++++++++---
> > > >  drivers/gpu/drm/drm_mode_config.c         |  6 +++++
> > > >  drivers/gpu/drm/i915/i915_debugfs.c       |  9 +++++++
> > > >  drivers/gpu/drm/i915/i915_reg.h           |  6 +++++
> > > >  drivers/gpu/drm/i915/intel_display.c      | 40 +++++++++++++++++++++++++++++++
> > > >  include/drm/drm_blend.h                   |  1 +
> > > >  include/drm/drm_crtc.h                    | 17 +++++++++++++
> > > >  include/drm/drm_mode_config.h             |  5 ++++
> > > >  include/uapi/drm/drm_mode.h               | 28 ++++++++++++++++++++++
> > > >  11 files changed, 136 insertions(+), 3 deletions(-)
> > > >
> > > > --
> > > > 2.14.4
> > > >
> > > > _______________________________________________
> > > > Intel-gfx mailing list
> > > > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > > > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
> --
> Matt Roper
> Graphics Software Engineer
> IoTG Platform Enabling & Development
> Intel Corporation
> (916) 356-2795
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