From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3DF0AC4338F for ; Fri, 23 Jul 2021 20:17:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2709B60F25 for ; Fri, 23 Jul 2021 20:17:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231401AbhGWTga (ORCPT ); Fri, 23 Jul 2021 15:36:30 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:24600 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229530AbhGWTg3 (ORCPT ); Fri, 23 Jul 2021 15:36:29 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1627071422; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=HRN/UDX2HXLKNeRvuGxP4vsevVc7LCnZM359D66adWU=; b=Jip3vyfaDo8sQ6iS91TUaq2k+DVO+tflZMI4CcQZHT2Mg7RnukpZSZ5ElCUNQxF3cGAs70s5 cd5g/BB1u6Kt+OQhOaac98ybQSUycDu1A1dSyymUikptzq3BlX1geELS/0kEPzt5NuuzIZRe EZBjCTvRtAcYy/plWEc90kp/Ch8= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n01.prod.us-east-1.postgun.com with SMTP id 60fb23b34815712f3ade4dae (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 23 Jul 2021 20:16:51 GMT Sender: abhinavk=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 3BC2DC43460; Fri, 23 Jul 2021 20:16:51 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: abhinavk) by smtp.codeaurora.org (Postfix) with ESMTPSA id 63712C433D3; Fri, 23 Jul 2021 20:16:49 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Fri, 23 Jul 2021 13:16:49 -0700 From: abhinavk@codeaurora.org To: Bjorn Andersson Cc: Rob Clark , Sean Paul , David Airlie , Daniel Vetter , Rob Herring , Stephen Boyd , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Kuogee Hsieh , Tanmay Shah , freedreno@lists.freedesktop.org, Chandan Uddaraju Subject: Re: [Freedreno] [PATCH 3/5] drm/msm/dp: Refactor ioremap wrapper In-Reply-To: <20210722024227.3313096-4-bjorn.andersson@linaro.org> References: <20210722024227.3313096-1-bjorn.andersson@linaro.org> <20210722024227.3313096-4-bjorn.andersson@linaro.org> Message-ID: X-Sender: abhinavk@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021-07-21 19:42, Bjorn Andersson wrote: > In order to deal with multiple memory ranges in the following commit > change the ioremap wrapper to not poke directly into the dss_io_data > struct. > > Signed-off-by: Bjorn Andersson I think we can squash this one and the next patch into one. Because the APIs and structs you are modifying here are again getting touched in the next one too. > --- > drivers/gpu/drm/msm/dp/dp_parser.c | 28 ++++++++++++++-------------- > drivers/gpu/drm/msm/dp/dp_parser.h | 2 +- > 2 files changed, 15 insertions(+), 15 deletions(-) > > diff --git a/drivers/gpu/drm/msm/dp/dp_parser.c > b/drivers/gpu/drm/msm/dp/dp_parser.c > index c064ced78278..e68dacef547c 100644 > --- a/drivers/gpu/drm/msm/dp/dp_parser.c > +++ b/drivers/gpu/drm/msm/dp/dp_parser.c > @@ -19,39 +19,39 @@ static const struct dp_regulator_cfg > sdm845_dp_reg_cfg = { > }, > }; > > -static int msm_dss_ioremap(struct platform_device *pdev, > - struct dss_io_data *io_data) > +static void __iomem *dp_ioremap(struct platform_device *pdev, int > idx, size_t *len) > { > struct resource *res = NULL; > + void __iomem *base; > > - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > + res = platform_get_resource(pdev, IORESOURCE_MEM, idx); > if (!res) { > DRM_ERROR("%pS->%s: msm_dss_get_res failed\n", > __builtin_return_address(0), __func__); > - return -ENODEV; > + return ERR_PTR(-ENODEV); > } > > - io_data->len = (u32)resource_size(res); > - io_data->base = devm_ioremap(&pdev->dev, res->start, io_data->len); > - if (!io_data->base) { > + base = devm_ioremap_resource(&pdev->dev, res); > + if (!base) { > DRM_ERROR("%pS->%s: ioremap failed\n", > __builtin_return_address(0), __func__); > - return -EIO; > + return ERR_PTR(-EIO); > } > > - return 0; > + *len = resource_size(res); > + return base; > } > > static int dp_parser_ctrl_res(struct dp_parser *parser) > { > - int rc = 0; > struct platform_device *pdev = parser->pdev; > struct dp_io *io = &parser->io; > + struct dss_io_data *dss = &io->dp_controller; > > - rc = msm_dss_ioremap(pdev, &io->dp_controller); > - if (rc) { > - DRM_ERROR("unable to remap dp io resources, rc=%d\n", rc); > - return rc; > + dss->base = dp_ioremap(pdev, 0, &dss->len); > + if (IS_ERR(dss->base)) { > + DRM_ERROR("unable to remap dp io region: %pe\n", dss->base); > + return PTR_ERR(dss->base); > } > > io->phy = devm_phy_get(&pdev->dev, "dp"); > diff --git a/drivers/gpu/drm/msm/dp/dp_parser.h > b/drivers/gpu/drm/msm/dp/dp_parser.h > index 34b49628bbaf..dc62e70b1640 100644 > --- a/drivers/gpu/drm/msm/dp/dp_parser.h > +++ b/drivers/gpu/drm/msm/dp/dp_parser.h > @@ -26,7 +26,7 @@ enum dp_pm_type { > }; > > struct dss_io_data { > - u32 len; > + size_t len; > void __iomem *base; > };