[{"id":3681442,"web_url":"http://patchwork.ozlabs.org/comment/3681442/","msgid":"","list_archive_url":null,"date":"2026-04-23T12:43:15","subject":"Re: [PATCH v2 41/41] drm: renesas: shmobile: remove now-redundant\n call to drm_connector_attach_encoder()","submitter":{"id":90483,"url":"http://patchwork.ozlabs.org/api/people/90483/","name":"Dmitry Baryshkov","email":"dmitry.baryshkov@oss.qualcomm.com"},"content":"On Thu, Apr 23, 2026 at 01:55:50PM +0200, Luca Ceresoli wrote:\n> shmob_drm_connector_create() can init the connector in two ways, based on\n> the 'if (sdev->pdata)':\n> \n> 1. manually in shmob_drm_connector_create(), or\n> 2. delegating to drm_bridge_connector_init()\n> \n> Whichever branch is taken, drm_connector_attach_encoder() is called\n> immediately after to attach the connector to the encoder.\n> \n> Now drm_bridge_connector_init() calls drm_connector_attach_encoder() on the\n> connector so it is not needed anymore in case 2 and should be removed, but\n> it is still needed in case 1. Move drm_connector_attach_encoder() from the\n> common path to inside shmob_drm_connector_create() in order to get back to\n> a single drm_connector_attach_encoder() in both cases.\n> \n> Signed-off-by: Luca Ceresoli \n> \n> ---\n> \n> Changes in v2:\n> - rewrote completely, fixing potential ERR_PTR deref and ending up with\n> a cleaner patch\n> - also wrote more extensive commit message\n> ---\n> .../gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 16 +++++++---------\n> 1 file changed, 7 insertions(+), 9 deletions(-)\n\nLGTM now.","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-tegra@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 header.b=kz7jLeBz;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com\n header.a=rsa-sha256 header.s=google header.b=XBzNxx68;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.232.135.74; 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Move drm_connector_attach_encoder() from the\n> common path to inside shmob_drm_connector_create() in order to get back to\n> a single drm_connector_attach_encoder() in both cases.\n>\n> Signed-off-by: Luca Ceresoli \n\nFor case 2:\nTested-by: Geert Uytterhoeven \n\nAs none of the old SH platform have been converted from\nsh_mobile_lcdc_fb to shmob-drm yet, case 1 cannot be tested.\n\nGr{oetje,eeting}s,\n\n Geert","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-tegra@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; helo=sto.lore.kernel.org;\n envelope-from=linux-tegra+bounces-13936-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.160.41","smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=linux-m68k.org","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=gmail.com"],"Received":["from sto.lore.kernel.org (sto.lore.kernel.org\n [IPv6:2600:3c09:e001:a7::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g250W0lvnz1xvV\n\tfor ; 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