From: Douglas Anderson <dianders@chromium.org> To: 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> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, linux-arm-msm@vger.kernel.org, Bjorn Andersson <bjorn.andersson@linaro.org>, Thierry Reding <treding@nvidia.com>, Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>, Lyude Paul <lyude@redhat.com>, Stephen Boyd <swboyd@chromium.org>, Steev Klimaszewski <steev@kali.org>, Linus W <linus.walleij@linaro.org>, robdclark@chromium.org, dri-devel@lists.freedesktop.org, Douglas Anderson <dianders@chromium.org>, Andy Gross <agross@kernel.org>, Rob Herring <robh+dt@kernel.org>, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v10 11/11] arm64: dts: qcom: sc7180-trogdor: Move panel under the bridge chip Date: Fri, 11 Jun 2021 10:17:47 -0700 [thread overview] Message-ID: <20210611101711.v10.11.Ibdb7735fb1844561b902252215a69526a14f9abd@changeid> (raw) In-Reply-To: <20210611171747.1263039-1-dianders@chromium.org> Putting the panel under the bridge chip (under the aux-bus node) allows the panel driver to get access to the DP AUX bus, enabling all sorts of fabulous new features. While we're at this, get rid of a level of hierarchy for the panel node. It doesn't need "ports / port" and can just have a "port" child. For Linux, this patch has a hard requirement on the patches adding DP AUX bus support to the ti-sn65dsi86 bridge chip driver. See the patch ("drm/bridge: ti-sn65dsi86: Add support for the DP AUX bus"). Signed-off-by: Douglas Anderson <dianders@chromium.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- (no changes since v7) Changes in v7: - Panel now under bridge chip instead of getting a link to ddc-i2c arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 30 ++++++++++---------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi index 24d293ef56d7..c76afd857b54 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi @@ -260,21 +260,6 @@ max98357a: audio-codec-0 { #sound-dai-cells = <0>; }; - panel: panel { - /* Compatible will be filled in per-board */ - power-supply = <&pp3300_dx_edp>; - backlight = <&backlight>; - hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>; - - ports { - port { - panel_in_edp: endpoint { - remote-endpoint = <&sn65dsi86_out>; - }; - }; - }; - }; - pwmleds { compatible = "pwm-leds"; keyboard_backlight: keyboard-backlight { @@ -674,6 +659,21 @@ sn65dsi86_out: endpoint { }; }; }; + + aux-bus { + panel: panel { + /* Compatible will be filled in per-board */ + power-supply = <&pp3300_dx_edp>; + backlight = <&backlight>; + hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>; + + port { + panel_in_edp: endpoint { + remote-endpoint = <&sn65dsi86_out>; + }; + }; + }; + }; }; }; -- 2.32.0.272.g935e593368-goog
WARNING: multiple messages have this Message-ID (diff)
From: Douglas Anderson <dianders@chromium.org> To: 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> Cc: robdclark@chromium.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, Stephen Boyd <swboyd@chromium.org>, Douglas Anderson <dianders@chromium.org>, Steev Klimaszewski <steev@kali.org>, Bjorn Andersson <bjorn.andersson@linaro.org>, Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>, Rob Herring <robh+dt@kernel.org>, Andy Gross <agross@kernel.org>, dri-devel@lists.freedesktop.org, Thierry Reding <treding@nvidia.com>, linux-kernel@vger.kernel.org Subject: [PATCH v10 11/11] arm64: dts: qcom: sc7180-trogdor: Move panel under the bridge chip Date: Fri, 11 Jun 2021 10:17:47 -0700 [thread overview] Message-ID: <20210611101711.v10.11.Ibdb7735fb1844561b902252215a69526a14f9abd@changeid> (raw) In-Reply-To: <20210611171747.1263039-1-dianders@chromium.org> Putting the panel under the bridge chip (under the aux-bus node) allows the panel driver to get access to the DP AUX bus, enabling all sorts of fabulous new features. While we're at this, get rid of a level of hierarchy for the panel node. It doesn't need "ports / port" and can just have a "port" child. For Linux, this patch has a hard requirement on the patches adding DP AUX bus support to the ti-sn65dsi86 bridge chip driver. See the patch ("drm/bridge: ti-sn65dsi86: Add support for the DP AUX bus"). Signed-off-by: Douglas Anderson <dianders@chromium.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- (no changes since v7) Changes in v7: - Panel now under bridge chip instead of getting a link to ddc-i2c arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 30 ++++++++++---------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi index 24d293ef56d7..c76afd857b54 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi @@ -260,21 +260,6 @@ max98357a: audio-codec-0 { #sound-dai-cells = <0>; }; - panel: panel { - /* Compatible will be filled in per-board */ - power-supply = <&pp3300_dx_edp>; - backlight = <&backlight>; - hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>; - - ports { - port { - panel_in_edp: endpoint { - remote-endpoint = <&sn65dsi86_out>; - }; - }; - }; - }; - pwmleds { compatible = "pwm-leds"; keyboard_backlight: keyboard-backlight { @@ -674,6 +659,21 @@ sn65dsi86_out: endpoint { }; }; }; + + aux-bus { + panel: panel { + /* Compatible will be filled in per-board */ + power-supply = <&pp3300_dx_edp>; + backlight = <&backlight>; + hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>; + + port { + panel_in_edp: endpoint { + remote-endpoint = <&sn65dsi86_out>; + }; + }; + }; + }; }; }; -- 2.32.0.272.g935e593368-goog
next prev parent reply other threads:[~2021-06-11 17:19 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-11 17:17 [PATCH v10 00/11] drm: Fix EDID reading on ti-sn65dsi86 by introducing the DP AUX bus Douglas Anderson 2021-06-11 17:17 ` Douglas Anderson 2021-06-11 17:17 ` [PATCH v10 01/11] dt-bindings: display: simple: List hpd properties in panel-simple Douglas Anderson 2021-06-11 17:17 ` Douglas Anderson 2021-06-11 17:17 ` [PATCH v10 02/11] dt-bindings: drm: Introduce the DP AUX bus Douglas Anderson 2021-06-11 17:17 ` Douglas Anderson 2021-06-11 17:17 ` [PATCH v10 03/11] dt-bindings: drm/bridge: ti-sn65dsi86: Add aux-bus child Douglas Anderson 2021-06-11 17:17 ` Douglas Anderson 2021-06-11 17:17 ` [PATCH v10 04/11] drm: Introduce the DP AUX bus Douglas Anderson 2021-06-11 17:17 ` Douglas Anderson 2021-06-11 17:17 ` [PATCH v10 05/11] drm/panel: panel-simple: Allow panel-simple be a DP AUX endpoint device Douglas Anderson 2021-06-11 17:17 ` Douglas Anderson 2021-06-11 17:17 ` [PATCH v10 06/11] drm/panel: panel-simple: Stash DP AUX bus; allow using it for DDC Douglas Anderson 2021-06-11 17:17 ` Douglas Anderson 2021-06-11 17:17 ` [PATCH v10 07/11] drm/bridge: ti-sn65dsi86: Promote the AUX channel to its own sub-dev Douglas Anderson 2021-06-11 17:17 ` Douglas Anderson 2021-06-11 17:17 ` [PATCH v10 08/11] drm/bridge: ti-sn65dsi86: Add support for the DP AUX bus Douglas Anderson 2021-06-11 17:17 ` Douglas Anderson 2021-06-11 17:17 ` [PATCH v10 09/11] drm/bridge: ti-sn65dsi86: Don't read EDID blob over DDC Douglas Anderson 2021-06-11 17:17 ` Douglas Anderson 2021-06-11 17:17 ` [PATCH v10 10/11] drm/bridge: ti-sn65dsi86: Improve probe errors with dev_err_probe() Douglas Anderson 2021-06-11 17:17 ` Douglas Anderson 2021-06-11 17:17 ` Douglas Anderson [this message] 2021-06-11 17:17 ` [PATCH v10 11/11] arm64: dts: qcom: sc7180-trogdor: Move panel under the bridge chip Douglas Anderson 2021-06-11 19:37 ` [PATCH v10 00/11] drm: Fix EDID reading on ti-sn65dsi86 by introducing the DP AUX bus Doug Anderson 2021-06-11 19:37 ` Doug Anderson
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