From patchwork Mon Mar 20 14:43:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Clark X-Patchwork-Id: 13181356 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 EA960C7618A for ; Mon, 20 Mar 2023 14:46:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231954AbjCTOqS (ORCPT ); Mon, 20 Mar 2023 10:46:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231904AbjCTOpu (ORCPT ); Mon, 20 Mar 2023 10:45:50 -0400 Received: from mail-pl1-x634.google.com (mail-pl1-x634.google.com [IPv6:2607:f8b0:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98488B459; Mon, 20 Mar 2023 07:45:04 -0700 (PDT) Received: by mail-pl1-x634.google.com with SMTP id w4so4587895plg.9; Mon, 20 Mar 2023 07:45:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1679323502; 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=iRudoYKJ/9RBEgJ+2j3GsDNIAjaLf24fOR0Git+DXzM=; b=FSiCBrQqb/DttiCvh4W10nxnr4IwYmxqhvZrOxgMDQkWUirVLq87/u2vJrBad/daDh qw++XRKpNrVXUMtZedrPPKhpDSyZukdY/4ufBj5U2makZ08JuIbMHnJSOiC4xm1bzrjS HzPLQJOPxkS0Er/frUYuRF9+wzmCTAdEXPRxpH9m4E1e4+TSidc5nWZdbGAXgA9UJObW LQ8eG98up+TO8k88KCpl5YaCgqinGhFAOq+NXZiPa6fHGsmnWtfhPJltAZ0vlG4R9Kn2 hJvQqOIM1WcqtU43N+oX6hFcHJ9/IKX54VNK/yLNmLJEvxRuIOe1TvBoZvweJE5xupP+ mKsg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679323502; 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=iRudoYKJ/9RBEgJ+2j3GsDNIAjaLf24fOR0Git+DXzM=; b=0OJdm5aZeCUW885rLQNB4S0YOREn1Bvqq50NBa7CMwF4xgxHmCZO68vSC5f6jFfZyW F/RT2OwtjMNrOvSwOQI9kPpjbFBxdc++/7xDL0D31Bs04aItgRgO85shf6vDt17Cc+fx 9UrcRNzHjy4bcP+KL7VKBygoQQxTisjfr4jZ0m2C+WjM3seM39E6BkNEKBvNyv8nXMU6 6UUD3TP5rj6aYwZL6xcmYqAXvUO9Ut8AFMlQ089XP91uE9KnlhuyyZa/kuo4cwIBtt87 CrES5JU/7IJDN+NiJH0UaxYFFPg7HQlWUmFbIAH2M9fsmukCQwR909bcacD09Y8kfo1X cjUg== X-Gm-Message-State: AO0yUKU5v1IqvoBWPlf/+jBHMsd2KzlwAsEjrL5mdLGOhCHzbhv0XX3V eQMiO4U1BoISrZcNODwTKOg= X-Google-Smtp-Source: AK7set9ulfPXo9jK6KpDY96RxgLMtzdpXoEn31dcDtWIB8HP/mch1ngRHsDe2j2Y+tM8AsYX9Ahm6g== X-Received: by 2002:a17:902:e5c3:b0:19e:7d67:84e6 with SMTP id u3-20020a170902e5c300b0019e7d6784e6mr21119604plf.0.1679323502456; Mon, 20 Mar 2023 07:45:02 -0700 (PDT) Received: from localhost ([2a00:79e1:abd:4a00:61b:48ed:72ab:435b]) by smtp.gmail.com with ESMTPSA id az8-20020a170902a58800b0019aa5528a5csm6793088plb.144.2023.03.20.07.45.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Mar 2023 07:45:01 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: Daniel Vetter , freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, Rob Clark , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Akhil P Oommen , Konrad Dybcio , Geert Uytterhoeven , Douglas Anderson , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 14/23] drm/msm/a6xx: Move ioremap out of hw_init path Date: Mon, 20 Mar 2023 07:43:36 -0700 Message-Id: <20230320144356.803762-15-robdclark@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230320144356.803762-1-robdclark@gmail.com> References: <20230320144356.803762-1-robdclark@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Rob Clark Move the one-time RPMh setup to a6xx_gmu_init(). To get rid of the hack for one-time init vs start, add in an extra a6xx_rpmh_stop() at the end of the init sequence. Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index f3c9600221d4..30a1bf39ea83 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -621,6 +621,8 @@ static void a6xx_gmu_rpmh_init(struct a6xx_gmu *gmu) /* ensure no writes happen before the uCode is fully written */ wmb(); + a6xx_rpmh_stop(gmu); + err: if (!IS_ERR_OR_NULL(pdcptr)) iounmap(pdcptr); @@ -753,7 +755,6 @@ static int a6xx_gmu_fw_load(struct a6xx_gmu *gmu) static int a6xx_gmu_fw_start(struct a6xx_gmu *gmu, unsigned int state) { - static bool rpmh_init; struct a6xx_gpu *a6xx_gpu = container_of(gmu, struct a6xx_gpu, gmu); struct adreno_gpu *adreno_gpu = &a6xx_gpu->base; int ret; @@ -776,15 +777,9 @@ static int a6xx_gmu_fw_start(struct a6xx_gmu *gmu, unsigned int state) /* Turn on register retention */ gmu_write(gmu, REG_A6XX_GMU_GENERAL_7, 1); - /* We only need to load the RPMh microcode once */ - if (!rpmh_init) { - a6xx_gmu_rpmh_init(gmu); - rpmh_init = true; - } else { - ret = a6xx_rpmh_start(gmu); - if (ret) - return ret; - } + ret = a6xx_rpmh_start(gmu); + if (ret) + return ret; ret = a6xx_gmu_fw_load(gmu); if (ret) @@ -1633,6 +1628,9 @@ int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node) /* Set up the HFI queues */ a6xx_hfi_init(gmu); + /* Initialize RPMh */ + a6xx_gmu_rpmh_init(gmu); + gmu->initialized = true; return 0;