From patchwork Thu Oct 5 10:49:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 730847 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 169C0125DB for ; Thu, 5 Oct 2023 10:49:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="W3YxRc7t" 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 54E3122CAB; Thu, 5 Oct 2023 03:49:18 -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 22BFA660731F; Thu, 5 Oct 2023 11:49:16 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696502957; bh=vtwN7TZUfuKOOcpUTbUvCztJdBqkeLPF1yo8/uXzBpM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=W3YxRc7t98bDLGOsh8Hk+Bwwp3AQiR6xwxpd3UpfwbkcqiPyyKSiTwGm68YDx8Vh+ 2TFobSL5JSEWtS6T5+ZkpZPtwt7wt3Tdile43De8AEk3w9i7r2AcYJ0bifjoD/AXCL qtKMpJuhxsxdrT1ME/EQ0+Iv0AvrYyLPut8kjX4527UpbUXn+0Ji5ueUHm4zMWe1HS yAu9oyUCBY1hsFc18+FPWXt/Ab3JmPcvnRcg+2jTPOxV0hOkKX3AdLUgwU+KfAYb+G E3GITamvK5Hg7AZ/N22dk2qse6r01DcQhpCOxSg/UuF4ihqeXhG3AEIhaVy579dvYN XERMItaZXgiIw== 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 v2 2/2] media: platform: mtk-mdp3: Use devicetree phandle to retrieve SCP Date: Thu, 5 Oct 2023 12:49:05 +0200 Message-ID: <20231005104905.120544-3-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231005104905.120544-1-angelogioacchino.delregno@collabora.com> References: <20231005104905.120544-1-angelogioacchino.delregno@collabora.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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. Reviewed-by: Chen-Yu Tsai Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Alexandre Mergnat --- .../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 cc44be10fdb7..94f4ed78523b 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c @@ -208,13 +208,17 @@ static int mdp_probe(struct platform_device *pdev) goto err_destroy_job_wq; } - mm_pdev = __get_pdev_by_id(pdev, MDP_INFRA_SCP); - if (WARN_ON(!mm_pdev)) { - dev_err(&pdev->dev, "Could not get scp device\n"); - ret = -ENODEV; - goto err_destroy_clock_wq; + mdp->scp = scp_get(pdev); + if (!mdp->scp) { + mm_pdev = __get_pdev_by_id(pdev, MDP_INFRA_SCP); + if (WARN_ON(!mm_pdev)) { + dev_err(&pdev->dev, "Could not get scp device\n"); + ret = -ENODEV; + goto err_destroy_clock_wq; + } + mdp->scp = platform_get_drvdata(mm_pdev); } - mdp->scp = platform_get_drvdata(mm_pdev); + mdp->rproc_handle = scp_get_rproc(mdp->scp); dev_dbg(&pdev->dev, "MDP rproc_handle: %pK", mdp->rproc_handle);