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References: <20210423165906.2504169-1-dianders@chromium.org> <20210423095743.v5.16.Icb581b0273d95cc33ca38676c61ae6d7d2e75357@changeid>
In-Reply-To: <20210423095743.v5.16.Icb581b0273d95cc33ca38676c61ae6d7d2e75357@changeid>
From:   Sean Paul <seanpaul@chromium.org>
Date:   Wed, 28 Apr 2021 12:38:12 -0400
Message-ID: <CAOw6vbJOOEi9zyRnSMDL=qLMQPXU1uPwQ-K435_1uipcyqyUJQ@mail.gmail.com>
Subject: Re: [PATCH v5 16/20] drm/panel: panel-simple: Remove extra call: drm_connector_update_edid_property()
To:     Douglas Anderson <dianders@chromium.org>
Cc:     Andrzej Hajda <a.hajda@samsung.com>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        Jonas Karlman <jonas@kwiboo.se>,
        Jernej Skrabec <jernej.skrabec@siol.net>,
        Sam Ravnborg <sam@ravnborg.org>, Wolfram Sang <wsa@kernel.org>,
        robdclark@chromium.org,
        dri-devel <dri-devel@lists.freedesktop.org>,
        David Airlie <airlied@linux.ie>,
        linux-arm-msm <linux-arm-msm@vger.kernel.org>,
        Steev Klimaszewski <steev@kali.org>,
        Stephen Boyd <swboyd@chromium.org>,
        Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        linux-i2c@vger.kernel.org,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Fri, Apr 23, 2021 at 1:00 PM Douglas Anderson <dianders@chromium.org> wrote:
>
> As of commit 5186421cbfe2 ("drm: Introduce epoch counter to
> drm_connector") the drm_get_edid() function calls
> drm_connector_update_edid_property() for us. There's no reason for us
> to call it again.
>
> Signed-off-by: Douglas Anderson <dianders@chromium.org>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Reviewed-by: Sean Paul <seanpaul@chromium.org>

> ---
> As Laurent pointed out [1] this is actually a pretty common
> problem. His suggestion to do this more broadly is a good idea but
> this series is probably a bit ambitious already so I would suggest
> that be taken up separately.
>
> [1] https://lore.kernel.org/r/YGphgcESWsozCi1y@pendragon.ideasonboard.com
>
> (no changes since v1)
>
>  drivers/gpu/drm/panel/panel-simple.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index bd208abcbf07..4de33c929a59 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -512,7 +512,6 @@ static int panel_simple_get_modes(struct drm_panel *panel,
>         if (p->ddc) {
>                 struct edid *edid = drm_get_edid(connector, p->ddc);
>
> -               drm_connector_update_edid_property(connector, edid);
>                 if (edid) {
>                         num += drm_add_edid_modes(connector, edid);
>                         kfree(edid);
> --
> 2.31.1.498.g6c1eba8ee3d-goog
>
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