From nobody Sun Dec 22 05:59:45 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0BB89CD54A9 for ; Tue, 19 Sep 2023 10:00:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231225AbjISKAG (ORCPT ); Tue, 19 Sep 2023 06:00:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231684AbjISJ7v (ORCPT ); Tue, 19 Sep 2023 05:59:51 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E9A7A116; Tue, 19 Sep 2023 02:59:45 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 6F1056607079; Tue, 19 Sep 2023 10:59:43 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1695117584; bh=diaOf6EmUGm6l+mxt6/O1nJ6UjZ2yPHfhRpfvuoUEnU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mC4nCTkI8xE1emA5TZ+ruqLSdx6SsDSZr/hQPbMf+x8/LojiaCNdOZAE/lJtkbGiS CNUHOzPfB2+drbHy5k2qndZVUq/8y07M3DbtEL3thwEVA6pVILz7Gv9qk4d8uMibqc P9R4xgpHISMt0jYQwNcn21lsyBuc5QmMTK5uOdUPOJF7wvN9TYV/Fh387v3WBNXhr1 IuhiQoYvqpaq4KLeJ6ezOOOIiQeHMhpZyFWOgx8rsMeFuGpfWFuHHB6xt7ub4fkM/o mmyNVEf97IhPEOPC1xJyfmRCBtxBCPPegaiSC2Fp70rJ87l82J6/hyHedHpXhEWWG6 SfSeuGQc0x5EA== From: AngeloGioacchino Del Regno To: mchehab@kernel.org Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, moudy.ho@mediatek.com, hverkuil-cisco@xs4all.nl, sakari.ailus@linux.intel.com, u.kleine-koenig@pengutronix.de, linqiheng@huawei.com, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, wenst@chromium.org Subject: [PATCH 1/2] media: dt-bindings: mediatek: Add phandle to mediatek,scp on MDP3 RDMA Date: Tue, 19 Sep 2023 11:59:37 +0200 Message-ID: <20230919095938.70679-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230919095938.70679-1-angelogioacchino.delregno@collabora.com> References: <20230919095938.70679-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The MDP3 RDMA needs to communicate with the SCP remote processor: allow specifying a phandle to a SCP core. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai Reviewed-by: Conor Dooley --- .../devicetree/bindings/media/mediatek,mdp3-rdma.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yam= l b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml index d639a1461143..0e5ce2e77e99 100644 --- a/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml +++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml @@ -46,6 +46,11 @@ properties: include/dt-bindings/gce/-gce.h of each chips. $ref: /schemas/types.yaml#/definitions/uint32-array =20 + mediatek,scp: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the System Control Processor (SCP) node + power-domains: oneOf: - items: @@ -98,6 +103,7 @@ examples: mediatek,gce-client-reg =3D <&gce SUBSYS_1400XXXX 0x1000 0x1000>; mediatek,gce-events =3D , ; + mediatek,scp =3D <&scp>; power-domains =3D <&spm MT8183_POWER_DOMAIN_DISP>; clocks =3D <&mmsys CLK_MM_MDP_RDMA0>, <&mmsys CLK_MM_MDP_RSZ1>; --=20 2.42.0 From nobody Sun Dec 22 05:59:45 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0DC8CCD54AB for ; Tue, 19 Sep 2023 10:00:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231539AbjISKAK (ORCPT ); Tue, 19 Sep 2023 06:00:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47052 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231724AbjISJ7w (ORCPT ); Tue, 19 Sep 2023 05:59:52 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D00E2123; Tue, 19 Sep 2023 02:59:46 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 95BC26607083; Tue, 19 Sep 2023 10:59:44 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1695117585; bh=ty1ncJ/gw8hrt51lR2U+TFArnXv5dU7HXDPnYcxw+dw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=StKEpJ45dfYg1hZOjzQqqJo3FpCWv8VqfgMPIQo7ZvtnXXpwzhwgrztPa4NeZ8T+y RVe0zeLcKynvJjpeOEr32ul/Abs0xJAhnwLplgr3pK6paFIQoHo+d8BRTxzH5eiIy/ uoj/dHKTDdFsNciQMeVwNuQWAMxOgCYsNlTmqctJA147Sljyda6bWa5UTZ2qvQSR5l xN1cY5vKssh0CdT8wNDCh2jHjufv/peXcgDi8gzlTvsOt9LjIR/nj2x/ayYlNXIS22 monR6h0q5f0N2s9ApuGN13f4S9sUCAfPMmpcq0VRzQKPJRa937S0tCb35egfWi9ScY VULyrDJyyqzNQ== From: AngeloGioacchino Del Regno To: mchehab@kernel.org Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, moudy.ho@mediatek.com, hverkuil-cisco@xs4all.nl, sakari.ailus@linux.intel.com, u.kleine-koenig@pengutronix.de, linqiheng@huawei.com, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, wenst@chromium.org Subject: [PATCH 2/2] media: platform: mtk-mdp3: Use devicetree phandle to retrieve SCP Date: Tue, 19 Sep 2023 11:59:38 +0200 Message-ID: <20230919095938.70679-3-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230919095938.70679-1-angelogioacchino.delregno@collabora.com> References: <20230919095938.70679-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Instead of walking the entire parent node for something that has the right compatible, use the scp_get() function provided by the MediaTek SCP remoteproc driver to retrieve a handle to mtk_scp through the devicetree "mediatek,scp" (phandle) property. In case of multi-core SCP, this also allows to select a specific core. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai --- .../media/platform/mediatek/mdp3/mtk-mdp3-core.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c b/drivers= /media/platform/mediatek/mdp3/mtk-mdp3-core.c index 8677e7fd5083..d93d3833633e 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c @@ -254,13 +254,17 @@ static int mdp_probe(struct platform_device *pdev) goto err_destroy_job_wq; } =20 - mm_pdev =3D __get_pdev_by_id(pdev, NULL, MDP_INFRA_SCP); - if (WARN_ON(!mm_pdev)) { - dev_err(&pdev->dev, "Could not get scp device\n"); - ret =3D -ENODEV; - goto err_destroy_clock_wq; + mdp->scp =3D scp_get(pdev); + if (!mdp->scp) { + mm_pdev =3D __get_pdev_by_id(pdev, NULL, MDP_INFRA_SCP); + if (WARN_ON(!mm_pdev)) { + dev_err(&pdev->dev, "Could not get scp device\n"); + ret =3D -ENODEV; + goto err_destroy_clock_wq; + } + mdp->scp =3D platform_get_drvdata(mm_pdev); } - mdp->scp =3D platform_get_drvdata(mm_pdev); + mdp->rproc_handle =3D scp_get_rproc(mdp->scp); dev_dbg(&pdev->dev, "MDP rproc_handle: %pK", mdp->rproc_handle); =20 --=20 2.42.0