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From: Linus Walleij <linus.walleij@linaro.org>
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>, Sam Ravnborg <sam@ravnborg.org>,
	Rob Clark <robdclark@chromium.org>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>,
	Steev Klimaszewski <steev@kali.org>,
	MSM <linux-arm-msm@vger.kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Thierry Reding <treding@nvidia.com>,
	Lyude Paul <lyude@redhat.com>,
	"open list:DRM PANEL DRIVERS" <dri-devel@lists.freedesktop.org>,
	Stephen Boyd <swboyd@chromium.org>,
	Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@linux.ie>,
	Thierry Reding <thierry.reding@gmail.com>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v9 06/11] drm/panel: panel-simple: Stash DP AUX bus; allow using it for DDC
Date: Wed, 9 Jun 2021 13:07:29 +0200	[thread overview]
Message-ID: <CACRpkdaa=1LsyESZenDWv91mTX4H_AhwzGnSO2b9v8zXRMAvzw@mail.gmail.com> (raw)
In-Reply-To: <20210607100234.v9.6.I18e60221f6d048d14d6c50a770b15f356fa75092@changeid>

On Mon, Jun 7, 2021 at 7:06 PM Douglas Anderson <dianders@chromium.org> wrote:

> If panel-simple is instantiated as a DP AUX bus endpoint then we have
> access to the DP AUX bus. Let's stash it in the panel-simple
> structure, leaving it NULL for the cases where the panel is
> instantiated in other ways.
>
> If we happen to have access to the DP AUX bus and we weren't provided
> the ddc-i2c-bus in some other manner, let's use the DP AUX bus for it.
>
> Signed-off-by: Douglas Anderson <dianders@chromium.org>
> Reviewed-by: Lyude Paul <lyude@redhat.com>

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij

WARNING: multiple messages have this Message-ID (diff)
From: Linus Walleij <linus.walleij@linaro.org>
To: Douglas Anderson <dianders@chromium.org>
Cc: Rob Clark <robdclark@chromium.org>,
	Jonas Karlman <jonas@kwiboo.se>, David Airlie <airlied@linux.ie>,
	MSM <linux-arm-msm@vger.kernel.org>,
	"open list:DRM PANEL DRIVERS" <dri-devel@lists.freedesktop.org>,
	Neil Armstrong <narmstrong@baylibre.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Steev Klimaszewski <steev@kali.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>,
	Andrzej Hajda <a.hajda@samsung.com>,
	Thierry Reding <thierry.reding@gmail.com>,
	Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	Stephen Boyd <swboyd@chromium.org>,
	Thierry Reding <treding@nvidia.com>,
	Sam Ravnborg <sam@ravnborg.org>
Subject: Re: [PATCH v9 06/11] drm/panel: panel-simple: Stash DP AUX bus; allow using it for DDC
Date: Wed, 9 Jun 2021 13:07:29 +0200	[thread overview]
Message-ID: <CACRpkdaa=1LsyESZenDWv91mTX4H_AhwzGnSO2b9v8zXRMAvzw@mail.gmail.com> (raw)
In-Reply-To: <20210607100234.v9.6.I18e60221f6d048d14d6c50a770b15f356fa75092@changeid>

On Mon, Jun 7, 2021 at 7:06 PM Douglas Anderson <dianders@chromium.org> wrote:

> If panel-simple is instantiated as a DP AUX bus endpoint then we have
> access to the DP AUX bus. Let's stash it in the panel-simple
> structure, leaving it NULL for the cases where the panel is
> instantiated in other ways.
>
> If we happen to have access to the DP AUX bus and we weren't provided
> the ddc-i2c-bus in some other manner, let's use the DP AUX bus for it.
>
> Signed-off-by: Douglas Anderson <dianders@chromium.org>
> Reviewed-by: Lyude Paul <lyude@redhat.com>

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij

  reply	other threads:[~2021-06-09 11:07 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-07 17:05 [PATCH v9 00/11] drm: Fix EDID reading on ti-sn65dsi86 by introducing the DP AUX bus Douglas Anderson
2021-06-07 17:05 ` Douglas Anderson
2021-06-07 17:05 ` [PATCH v9 01/11] dt-bindings: display: simple: List hpd properties in panel-simple Douglas Anderson
2021-06-07 17:05   ` Douglas Anderson
2021-06-07 17:05 ` [PATCH v9 02/11] dt-bindings: drm: Introduce the DP AUX bus Douglas Anderson
2021-06-07 17:05   ` Douglas Anderson
2021-06-09 11:05   ` Linus Walleij
2021-06-09 11:05     ` Linus Walleij
2021-06-07 17:05 ` [PATCH v9 03/11] dt-bindings: drm/bridge: ti-sn65dsi86: Add aux-bus child Douglas Anderson
2021-06-07 17:05   ` Douglas Anderson
2021-06-09 11:05   ` Linus Walleij
2021-06-09 11:05     ` Linus Walleij
2021-06-07 17:05 ` [PATCH v9 04/11] drm: Introduce the DP AUX bus Douglas Anderson
2021-06-07 17:05   ` Douglas Anderson
2021-06-11 16:48   ` Lyude Paul
2021-06-11 16:48     ` Lyude Paul
2021-06-07 17:05 ` [PATCH v9 05/11] drm/panel: panel-simple: Allow panel-simple be a DP AUX endpoint device Douglas Anderson
2021-06-07 17:05   ` Douglas Anderson
2021-06-07 17:05 ` [PATCH v9 06/11] drm/panel: panel-simple: Stash DP AUX bus; allow using it for DDC Douglas Anderson
2021-06-07 17:05   ` Douglas Anderson
2021-06-09 11:07   ` Linus Walleij [this message]
2021-06-09 11:07     ` Linus Walleij
2021-06-07 17:05 ` [PATCH v9 07/11] drm/bridge: ti-sn65dsi86: Promote the AUX channel to its own sub-dev Douglas Anderson
2021-06-07 17:05   ` Douglas Anderson
2021-06-09 11:08   ` Linus Walleij
2021-06-09 11:08     ` Linus Walleij
2021-06-07 17:05 ` [PATCH v9 08/11] drm/bridge: ti-sn65dsi86: Add support for the DP AUX bus Douglas Anderson
2021-06-07 17:05   ` Douglas Anderson
2021-06-07 17:05 ` [PATCH v9 09/11] drm/bridge: ti-sn65dsi86: Don't read EDID blob over DDC Douglas Anderson
2021-06-07 17:05   ` Douglas Anderson
2021-06-07 17:05 ` [PATCH v9 10/11] drm/bridge: ti-sn65dsi86: Improve probe errors with dev_err_probe() Douglas Anderson
2021-06-07 17:05   ` Douglas Anderson
2021-06-09 11:09   ` Linus Walleij
2021-06-09 11:09     ` Linus Walleij
2021-06-07 17:05 ` [PATCH v9 11/11] arm64: dts: qcom: sc7180-trogdor: Move panel under the bridge chip Douglas Anderson
2021-06-07 17:05   ` Douglas Anderson
2021-06-09 15:27   ` Bjorn Andersson
2021-06-09 15:27     ` Bjorn Andersson

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