linux-kernel - Re: [PATCH v3 1/2] drm/probe-helper: Add helper for drm_helper_probe_single_connector

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Message-ID: <CAD=FV=Und7oTNBf8+=d9_RMQyv1v0vzh6OSGpvvPTYWtGF07MA@mail.gmail.com>
Date:   Thu, 19 May 2022 17:20:31 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     dri-devel <dri-devel@...ts.freedesktop.org>
Cc:     freedreno <freedreno@...ts.freedesktop.org>,
        Stephen Boyd <swboyd@...omium.org>,
        "Kuogee Hsieh (QUIC)" <quic_khsieh@...cinc.com>,
        Sankeerth Billakanti <quic_sbillaka@...cinc.com>,
        "Abhinav Kumar (QUIC)" <quic_abhinavk@...cinc.com>,
        Ville Syrjälä <ville.syrjala@...ux.intel.com>,
        "Aravind Venkateswaran (QUIC)" <quic_aravindh@...cinc.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Rob Clark <robdclark@...il.com>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/2] drm/probe-helper: Add helper for drm_helper_probe_single_connector_modes()

Hi,

On Wed, May 11, 2022 at 3:58 PM Douglas Anderson <dianders@...omium.org> wrote:
>
> The drm_helper_probe_single_connector_modes() is a bit long. Let's
> break a chunk off to update and validate modes. This helps avoid one
> goto and also will allow us to more easily call the helper a second
> time in a future patch without adding looping or another goto.
>
> This change is intended to be a no-op change--just code movement.
>
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> Reviewed-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
> Reviewed-by: Thomas Zimmermann <tzimmermann@...e.de>
> ---
>
> Changes in v3:
> - Removed WARN_ON
>
> Changes in v2:
> - Two underscores for __drm_helper_update_and_validate().
> - Return err and use WARN_ON instead of returning a bool.
>
>  drivers/gpu/drm/drm_probe_helper.c | 106 ++++++++++++++++-------------
>  1 file changed, 60 insertions(+), 46 deletions(-)

Pushed to drm-misc-next:

4a2a13a57b60 drm/probe-helper: Add helper for
drm_helper_probe_single_connector_modes()