From patchwork Fri Oct 28 16:08:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Stevenson X-Patchwork-Id: 13023965 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 B6E64FA3742 for ; Fri, 28 Oct 2022 16:15:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230502AbiJ1QPO (ORCPT ); Fri, 28 Oct 2022 12:15:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230260AbiJ1QOi (ORCPT ); Fri, 28 Oct 2022 12:14:38 -0400 Received: from mail-wr1-x429.google.com (mail-wr1-x429.google.com [IPv6:2a00:1450:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B99D6DAE7 for ; Fri, 28 Oct 2022 09:12:52 -0700 (PDT) Received: by mail-wr1-x429.google.com with SMTP id g12so7186531wrs.10 for ; Fri, 28 Oct 2022 09:12:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=raspberrypi.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=AsaHuu6Y31yjFurK0y6AWTkf6uxNbvk9C/GSLLGsJoc=; b=lGdWb/I3CcRP1R6nbFZoquN/vaBmUsCHG8k+FKX1zG81FcWlHFF4prnCYx5tOkVhlK 3DG82AsnQg5r9qdUmAtg4eCKSKJTrFr/Vm6Jqa5CTgVFkxZp2TpwbTqP7JR6hZPr9cjH NdYd0NXtPaNmvMJ0iF0xf++KB2/MDIylUYzc9rPdhAzCi38FXSeA8EalvKMQUrOhUAHb bDlCW0ybEZFGu3mTgjYKAh+cP3aDIjW6EjKC+IwI+47MybJ862xLFrd3xyj36btyZ9pZ Fo/EmfT2D5paADKxPCn10DecJJfKILVcaL0j+7P70d2QOuXNDF2fzB2yrIWIU5xsUwp9 hgEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=AsaHuu6Y31yjFurK0y6AWTkf6uxNbvk9C/GSLLGsJoc=; b=0QnqVQustzvKq8Da4QtEMyhPLlZwJpkB2Qig+JNgt8SFCfYaDZZKPrzarzcgNgp/pu 9Bt52Wprt8O/NElCeE5qcV941CLJgVBIjPBEfp0tT7Tu8JcRwmaBnTUk58sRy481l9Da Ktk0vwN7hkRepAdTdsYgT+Vb9QcvIgi2mCptiKSHtufZ6jZ6gLZcZ9A7TyyY+dFzRdvz tM60BpMlLqu8sFGZoTBQD7rJ1mcL6EQovXY8kXn6/v+eeQMC8/cT/SpIrCROP5ODWp05 F6Ej/46RIlQyWQx+/aWUHe7TEtJGK7Jnga8bxEnp0cvySXNkBYxVt4Y70G4IEsHitRrE yg1w== X-Gm-Message-State: ACrzQf3daeVYEzR9eLkpvu+DnCekQCPjDzcuElfexKMz1/syQtinEYzE Kdhu0ZaZ1Ac6aTE+iIEvzMFLZg== X-Google-Smtp-Source: AMsMyM5CTX3ib6azI4ARgsJeoIct8cZyrvBaj4tzddS8VTJox46ZXuv47xqrr5aIlFCb+FfTTuXn3A== X-Received: by 2002:a5d:5081:0:b0:236:75cc:be26 with SMTP id a1-20020a5d5081000000b0023675ccbe26mr63910wrt.379.1666973570754; Fri, 28 Oct 2022 09:12:50 -0700 (PDT) Received: from dave-Ubuntu2204.pitowers.org ([93.93.133.154]) by smtp.googlemail.com with ESMTPSA id bh17-20020a05600c3d1100b003cf47fdead5sm4731928wmb.30.2022.10.28.09.12.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Oct 2022 09:12:50 -0700 (PDT) From: Dave Stevenson To: paul.j.murphy@intel.com, daniele.alessandrelli@intel.com, linux-media@vger.kernel.org, sakari.ailus@iki.fi, jacopo@jmondi.org Cc: Dave Stevenson Subject: [PATCH v2 07/16] media: i2c: ov9282: Reduce vblank_min values based on testing Date: Fri, 28 Oct 2022 17:08:53 +0100 Message-Id: <20221028160902.2696973-8-dave.stevenson@raspberrypi.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221028160902.2696973-1-dave.stevenson@raspberrypi.com> References: <20221028160902.2696973-1-dave.stevenson@raspberrypi.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The configured vblank_min setting of 151 (meaning VTS of 720 + 151 = 871) is far higher than the setting that works on the sensor, and there are no obvious restrictions stated in the datasheet. Reduce the vblank_min to allow for faster frame rates. Signed-off-by: Dave Stevenson Reviewed-by: Jacopo Mondi --- drivers/media/i2c/ov9282.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov9282.c b/drivers/media/i2c/ov9282.c index 7e0b12b89655..35bc2b0438bc 100644 --- a/drivers/media/i2c/ov9282.c +++ b/drivers/media/i2c/ov9282.c @@ -262,7 +262,7 @@ static const struct ov9282_mode supported_modes[] = { .height = 720, .hblank = 250, .vblank = 1022, - .vblank_min = 151, + .vblank_min = 41, .vblank_max = 51540, .link_freq_idx = 0, .reg_list = {