From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: Guillaume Ranquet <granquet@baylibre.com>,
Vinod Koul <vkoul@kernel.org>, Stephen Boyd <sboyd@kernel.org>,
David Airlie <airlied@linux.ie>, Rob Herring <robh+dt@kernel.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Daniel Vetter <daniel@ffwll.ch>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
CK Hu <ck.hu@mediatek.com>, Jitao shi <jitao.shi@mediatek.com>,
Chun-Kuang Hu <chunkuang.hu@kernel.org>,
Michael Turquette <mturquette@baylibre.com>,
Kishon Vijay Abraham I <kishon@ti.com>,
Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-mediatek@lists.infradead.org,
dri-devel@lists.freedesktop.org,
Pablo Sun <pablo.sun@mediatek.com>,
linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
Mattijs Korpershoek <mkorpershoek@baylibre.com>,
linux-arm-kernel@lists.infradead.org,
linux-phy@lists.infradead.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v1 09/17] drm/mediatek: hdmi: add connector flag
Date: Tue, 20 Sep 2022 12:38:29 +0200 [thread overview]
Message-ID: <5920ba96-886c-1195-656a-a98d7b1f6623@collabora.com> (raw)
In-Reply-To: <20220919-v1-9-4844816c9808@baylibre.com>
Il 19/09/22 18:56, Guillaume Ranquet ha scritto:
> Add a flag to indicate support for an external connector
>
> Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
> index 86653ebaacfd..30407603d693 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
> @@ -199,20 +199,22 @@ int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, struct platform_device *pdev,
> goto put_device;
> }
>
> - remote = of_graph_get_remote_node(np, 1, 0);
> - if (!remote) {
> - ret = -EINVAL;
> - goto put_device;
> - }
> -
> - if (!of_device_is_compatible(remote, "hdmi-connector")) {
> - hdmi->next_bridge = of_drm_find_bridge(remote);
> - if (!hdmi->next_bridge) {
> - dev_err(dev, "Waiting for external bridge\n");
> - of_node_put(remote);
> - ret = -EPROBE_DEFER;
> + if (hdmi->conf->has_connector) {
If MT8195's DPI uses the internal HDMI->DP converter, I say that the external
DP has HDMI input and DP output.
Logically, you can't have a HDMI port that's connected to nothing.
Please, rethink this change.
Regards,
Angelo
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next prev parent reply other threads:[~2022-09-20 10:39 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-19 16:55 [PATCH v1 00/17] Add MT8195 HDMI support Guillaume Ranquet
2022-09-19 16:55 ` [PATCH v1 01/17] dt-bindings: clk: mediatek: Add MT8195 DPI clocks Guillaume Ranquet
2022-09-21 2:48 ` Bo-Chen Chen
2022-09-22 7:11 ` Krzysztof Kozlowski
2022-09-22 12:45 ` Guillaume Ranquet
2022-09-22 12:51 ` Krzysztof Kozlowski
2022-09-22 19:31 ` Konstantin Ryabitsev
2022-09-22 12:51 ` Krzysztof Kozlowski
2022-09-19 16:56 ` [PATCH v1 02/17] clk: mediatek: add VDOSYS1 clock Guillaume Ranquet
2022-09-26 5:09 ` Chen-Yu Tsai
2022-09-26 5:35 ` Chen-Yu Tsai
2022-09-19 16:56 ` [PATCH v1 03/17] dt-bindings: phy: mediatek: hdmi-phy: Add mt8195 compatible Guillaume Ranquet
2022-09-22 7:12 ` Krzysztof Kozlowski
2022-09-22 12:52 ` Krzysztof Kozlowski
2022-09-19 16:56 ` [PATCH v1 04/17] dt-bindings: display: mediatek: add MT8195 hdmi bindings Guillaume Ranquet
2022-09-22 7:18 ` Krzysztof Kozlowski
2022-09-27 13:54 ` Guillaume Ranquet
2022-09-27 14:31 ` Krzysztof Kozlowski
2022-09-19 16:56 ` [PATCH v1 05/17] drm/mediatek: hdmi: use a syscon/regmap instead of iomem Guillaume Ranquet
2022-09-20 10:18 ` AngeloGioacchino Del Regno
2022-09-27 13:06 ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 06/17] dt-bindings: mediatek: set the hdmi to be compatible with syscon Guillaume Ranquet
2022-09-20 10:19 ` AngeloGioacchino Del Regno
2022-09-22 7:19 ` Krzysztof Kozlowski
2022-09-27 14:03 ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 07/17] drm/mediatek: extract common functions from the mtk hdmi driver Guillaume Ranquet
2022-09-20 10:25 ` AngeloGioacchino Del Regno
2022-09-27 13:08 ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 08/17] drm/mediatek: hdmi: add cec flag Guillaume Ranquet
2022-09-20 10:34 ` AngeloGioacchino Del Regno
2022-09-19 16:56 ` [PATCH v1 09/17] drm/mediatek: hdmi: add connector flag Guillaume Ranquet
2022-09-20 10:38 ` AngeloGioacchino Del Regno [this message]
2022-10-03 15:39 ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 10/17] drm/mediatek: hdmi: add frame_colorimetry flag Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 11/17] drm/mediatek: hdmi: add mt8195 support Guillaume Ranquet
2022-09-20 11:04 ` AngeloGioacchino Del Regno
2022-10-14 13:54 ` Guillaume Ranquet
2022-09-22 7:24 ` Krzysztof Kozlowski
2022-09-19 16:56 ` [PATCH v1 12/17] drm/mediatek: hdmi: mt8195: add audio support Guillaume Ranquet
2022-09-20 11:11 ` AngeloGioacchino Del Regno
2022-09-27 13:13 ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 13/17] phy: phy-mtk-hdmi: Add generic phy configure callback Guillaume Ranquet
2022-09-20 11:41 ` AngeloGioacchino Del Regno
2022-09-19 16:56 ` [PATCH v1 14/17] phy: mediatek: add support for phy-mtk-hdmi-mt8195 Guillaume Ranquet
2022-09-20 7:46 ` Chunfeng Yun
2022-09-27 13:23 ` Guillaume Ranquet
2022-09-28 2:40 ` Chunfeng Yun
2022-09-28 12:23 ` Guillaume Ranquet
2022-09-20 12:17 ` AngeloGioacchino Del Regno
2022-09-27 13:18 ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 15/17] dt-bindings: display: mediatek: dpi: Add compatible for MediaTek MT8195 Guillaume Ranquet
2022-09-22 7:20 ` Krzysztof Kozlowski
2022-09-26 5:24 ` Chen-Yu Tsai
2022-09-26 6:38 ` Krzysztof Kozlowski
2022-09-19 16:56 ` [PATCH v1 16/17] drm/mediatek: dpi: Add mt8195 hdmi to DPI driver Guillaume Ranquet
2022-09-20 12:22 ` AngeloGioacchino Del Regno
2022-09-27 13:34 ` Guillaume Ranquet
2022-09-28 13:09 ` AngeloGioacchino Del Regno
2022-09-22 7:22 ` Krzysztof Kozlowski
2022-09-27 13:38 ` Guillaume Ranquet
2022-09-19 16:56 ` [PATCH v1 17/17] drm/mediatek: Add mt8195-dpi support to drm_drv Guillaume Ranquet
2022-09-22 7:20 ` Krzysztof Kozlowski
2022-09-27 13:04 ` Guillaume Ranquet
2022-09-27 14:28 ` Krzysztof Kozlowski
2022-10-03 15:29 ` Guillaume Ranquet
2022-10-04 10:49 ` Krzysztof Kozlowski
2022-10-04 11:55 ` Guillaume Ranquet
2022-10-04 15:05 ` Krzysztof Kozlowski
2022-10-05 9:34 ` Guillaume Ranquet
2022-10-05 14:53 ` Krzysztof Kozlowski
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