linux-kernel - Re: [PATCH 0/4] drm/bridge: dw-hdmi: Add support for HDR metadata

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Message-ID: <20190621090125.GX12905@phenom.ffwll.local>
Date:   Fri, 21 Jun 2019 11:01:25 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     Jonas Karlman <jonas@...boo.se>,
        "a.hajda@...sung.com" <a.hajda@...sung.com>,
        "Laurent.pinchart@...asonboard.com" 
        <Laurent.pinchart@...asonboard.com>,
        "jernej.skrabec@...l.net" <jernej.skrabec@...l.net>,
        "maxime.ripard@...tlin.com" <maxime.ripard@...tlin.com>,
        "khilman@...libre.com" <khilman@...libre.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "wens@...e.org" <wens@...e.org>,
        "zhengyang@...k-chips.com" <zhengyang@...k-chips.com>
Subject: Re: [PATCH 0/4] drm/bridge: dw-hdmi: Add support for HDR metadata

On Thu, Jun 20, 2019 at 04:40:12PM +0200, Neil Armstrong wrote:
> Hi Andrzej,
> 
> Gentle ping, could you review the dw-hdmi changes here ?

btw not sure you absolutely need review from Andrzej, we're currently a
bit undersupplied with bridge reviewers I think ... Better to ramp up
more.
-Daniel

> 
> Thanks,
> Neil
> 
> On 26/05/2019 23:18, Jonas Karlman wrote:
> > Add support for HDR metadata using the hdr_output_metadata connector property,
> > configure Dynamic Range and Mastering InfoFrame accordingly.
> > 
> > A drm_infoframe flag is added to dw_hdmi_plat_data that platform drivers
> > can use to signal when Dynamic Range and Mastering infoframes is supported.
> > This flag is needed because Amlogic GXBB and GXL report same DW-HDMI version,
> > and only GXL support DRM InfoFrame.
> > 
> > The first patch add functionality to configure DRM InfoFrame based on the
> > hdr_output_metadata connector property.
> > 
> > The remaining patches sets the drm_infoframe flag on some SoCs supporting
> > Dynamic Range and Mastering InfoFrame.
> > 
> > Note that this was based on top of drm-misc-next and Neil Armstrong's
> > "drm/meson: Add support for HDMI2.0 YUV420 4k60" series at [1]
> > 
> > [1] https://patchwork.freedesktop.org/series/58725/#rev2
> > 
> > Jonas Karlman (4):
> >   drm/bridge: dw-hdmi: Add Dynamic Range and Mastering InfoFrame support
> >   drm/rockchip: Enable DRM InfoFrame support on RK3328 and RK3399
> >   drm/meson: Enable DRM InfoFrame support on GXL, GXM and G12A
> >   drm/sun4i: Enable DRM InfoFrame support on H6
> > 
> >  drivers/gpu/drm/bridge/synopsys/dw-hdmi.c   | 109 ++++++++++++++++++++
> >  drivers/gpu/drm/bridge/synopsys/dw-hdmi.h   |  37 +++++++
> >  drivers/gpu/drm/meson/meson_dw_hdmi.c       |   5 +
> >  drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c |   2 +
> >  drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c       |   2 +
> >  drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h       |   1 +
> >  include/drm/bridge/dw_hdmi.h                |   1 +
> >  7 files changed, 157 insertions(+)
> > 
> 
> _______________________________________________
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> dri-devel@...ts.freedesktop.org
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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