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Message-ID: <20240322-loose-resourceful-bullmastiff-92cfaf@houat>
Date: Fri, 22 Mar 2024 11:31:06 +0100
From: Maxime Ripard <mripard@...nel.org>
To: Sui Jingfeng <sui.jingfeng@...ux.dev>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>, Jonathan Corbet <corbet@....net>,
Sandy Huang <hjc@...k-chips.com>, Heiko Stübner <heiko@...ech.de>,
Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>,
Samuel Holland <samuel@...lland.org>, Hans Verkuil <hverkuil@...all.nl>,
Sebastian Wick <sebastian.wick@...hat.com>, Ville Syrjälä <ville.syrjala@...ux.intel.com>,
dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
linux-sunxi@...ts.linux.dev
Subject: Re: [v10,20/27] drm/connector: hdmi: Add Infoframes generation
Hi,
On Fri, Mar 22, 2024 at 05:53:07AM +0800, Sui Jingfeng wrote:
> Hi,
>
>
> On 2024/3/21 23:29, Maxime Ripard wrote:
> > Infoframes in KMS is usually handled by a bunch of low-level helpers
> > that require quite some boilerplate for drivers. This leads to
> > discrepancies with how drivers generate them, and which are actually
> > sent.
> >
> > Now that we have everything needed to generate them in the HDMI
> > connector state, we can generate them in our common logic so that
> > drivers can simply reuse what we precomputed.
> >
> > Signed-off-by: Maxime Ripard <mripard@...nel.org>
> > ---
> > drivers/gpu/drm/Kconfig | 1 +
> > drivers/gpu/drm/drm_atomic_state_helper.c | 338 +++++++++++++++++++++
> > drivers/gpu/drm/drm_connector.c | 14 +
> > .../gpu/drm/tests/drm_atomic_state_helper_test.c | 1 +
> > drivers/gpu/drm/tests/drm_connector_test.c | 12 +
> > include/drm/drm_atomic_state_helper.h | 8 +
> > include/drm/drm_connector.h | 109 +++++++
> > 7 files changed, 483 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> > index 16029435b750..3d3193c7aa5f 100644
> > --- a/drivers/gpu/drm/Kconfig
> > +++ b/drivers/gpu/drm/Kconfig
> > @@ -97,10 +97,11 @@ config DRM_KUNIT_TEST
> > If in doubt, say "N".
> > config DRM_KMS_HELPER
> > tristate
> > depends on DRM
> > + select DRM_DISPLAY_HDMI_HELPER
>
> Should we select DRM_DISPLAY_HELPER here? Otherwise there will have
> some compile error emerged with default config.
Which default config are you talking about? This compiles fine with all
drm-misc defconfig, x86 defconfig and allmodconfig.
Maxime
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