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

Fri Dec 28 11:53:29 UTC 2018

Am Fr., 28. Dez. 2018, 02:09 hat Stéphane Marchesin <marcheu at chromium.org> 
geschrieben:
> On Thu, Dec 27, 2018 at 4:45 PM Matt Roper <matthew.d.roper at intel.com> 
> 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 at intel.com> 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.

black background is already the default, so "no prop" = "black
background". The problem is a bit figuring out whether you can make the
primary plane non-fullscreen, which atm is a TEST_ONLY guessing game for
userspace. We've discussed some "can_scale" and "can_position" properties
for that, but aside from reworking the helpers to check plane updates
nothing happened.
-Daniel
>
> 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 at chromium.org]
> > > > Sent: Thursday, December 27, 2018 3:27 PM
> > > > To: Roper, Matthew D <matthew.d.roper at intel.com>
> > > > Cc: intel-gfx <intel-gfx at lists.freedesktop.org>; Li, Wei C <
> wei.c.li at intel.com>; dri-devel <dri-devel at lists.freedesktop.org>
> > > > 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 at intel.com> 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 at lists.freedesktop.org
> > > > > Cc: Wei C Li <wei.c.li at intel.com>
> > > > > Cc: Sean Paul <sean at poorly.run>
> > > > > Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > > > >
> > > > > 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 at lists.freedesktop.org
> > > > > 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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>
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