From patchwork Wed Jun 28 20:35:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 697398 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 557C1EB64DA for ; Wed, 28 Jun 2023 20:35:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231980AbjF1Ufv (ORCPT ); Wed, 28 Jun 2023 16:35:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229622AbjF1Ufi (ORCPT ); Wed, 28 Jun 2023 16:35:38 -0400 Received: from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com [IPv6:2a00:1450:4864:20::12e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A56E2111 for ; Wed, 28 Jun 2023 13:35:37 -0700 (PDT) Received: by mail-lf1-x12e.google.com with SMTP id 2adb3069b0e04-4f954d7309fso422956e87.1 for ; Wed, 28 Jun 2023 13:35:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1687984535; x=1690576535; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=DkM6eACK+l7KK09aC4iRvpEN0T6pFUWvLy8n57wVeSY=; b=Wk87rACLpnAT+qXyvw65l5SaJkF7pt8Q2vfYNiidfMn/ez+0hqT4ECXI4GXSY4YEzn pbIus18/SVFGIoizV7WukfwTK+rZcf+IO9dGfzl/ajO2NyB9m8Vcced6Yyuk9/CRU2hz 9DYQEgsFIMKEFGvkvQfu9PMYu8+97CuRODHAYACzu/Xai9W1EAuw/yRuWTUrf92a7QfE bsOxTFamvXGjBPKiamdrrv76NFLZvEfyZ7/67o+JBPu8KfvrpKZjy6nsD1oCV6nDc6cG W7ZgZum4RcrCCK1NQuRUTq0LY+AM0Gx1GR/zEPDWffQwXI5T1jizrUjMGEV/HC3kHsPy sYOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687984535; x=1690576535; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DkM6eACK+l7KK09aC4iRvpEN0T6pFUWvLy8n57wVeSY=; b=O7nmCivyFQIz1sYfrh1N5XGw9CpsqRrRmDtQC0NxSpYByYwhz/1r64xg53lG+TgeIz nCUbExvqNXxfjARfixMyx1PNOVGBl2+7QDB0g/IkKfwVRxbSlDjdR30QPzJbkseaxElm Q0jrNATRhuFXMAE/yg0FyHyk6Tw5gLY4q+kgoVu7nRvsEf4pYMldmOxMWe/DDte+mSET ADZyGc2Z3KGJDtF1F1C/9WfgvDcC2AplIqZsCrLVJAs/IIWR/fRFACJdQFjof4u9HFQE vEuTCYEamLJz1kTtscYI/9PQh8bBX4nj4VzrrUodiwMyQuKcAa9Uu8YVSFl/n4bTBEMM 9A3A== X-Gm-Message-State: AC+VfDwG3e3UxO4O2mJOi+5UHCAGFUBvy9ZIyhSLEhxadUrabODbXc8x QrIUw45vidw4dm30/aunQZqFag== X-Google-Smtp-Source: ACHHUZ5yuPrDceywU3WbC6OFqainhsthjjiGoMq5J/QDVEMJF3IKLcjx+7vdLigOv6OeD1rpweVziQ== X-Received: by 2002:a05:6512:239a:b0:4f8:6ac4:1aa9 with SMTP id c26-20020a056512239a00b004f86ac41aa9mr1045562lfv.21.1687984535651; Wed, 28 Jun 2023 13:35:35 -0700 (PDT) Received: from [192.168.1.101] (abyk82.neoplus.adsl.tpnet.pl. [83.9.30.82]) by smtp.gmail.com with ESMTPSA id m25-20020a056512015900b004fb86c89fa1sm753363lfo.135.2023.06.28.13.35.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Jun 2023 13:35:35 -0700 (PDT) From: Konrad Dybcio Date: Wed, 28 Jun 2023 22:35:07 +0200 Subject: [PATCH 07/14] drm/msm/a6xx: Bail out early if setting GPU OOB fails MIME-Version: 1.0 Message-Id: <20230628-topic-a7xx_drmmsm-v1-7-a7f4496e0c12@linaro.org> References: <20230628-topic-a7xx_drmmsm-v1-0-a7f4496e0c12@linaro.org> In-Reply-To: <20230628-topic-a7xx_drmmsm-v1-0-a7f4496e0c12@linaro.org> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1687984524; l=937; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=9J73aF30PI34nc92bobMmRBFeW3h6sk6+9cqWlv0aIs=; b=zmnxv1qkjjq2p1yEjeUi56tWX0E0Ek0pCy6wtN2JzIoG/ilSwtPl8RZ6guWx36wWuEwoXknCU FGScjwrujijAbVyqz0v4cw90pj4jSl6z7zz5YuNJkRicoA68Kcs0n7N X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org If the GMU can't guarantee the required resources are up, trying to bring up the GPU is a lost cause. Return early if setting GPU OOB fails. Signed-off-by: Konrad Dybcio --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index c1c76fe288b2..7c8345ae1a30 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1201,7 +1201,9 @@ static int hw_init(struct msm_gpu *gpu) if (!adreno_has_gmu_wrapper(adreno_gpu)) { /* Make sure the GMU keeps the GPU on while we set it up */ - a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET); + ret = a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET); + if (ret) + return ret; } /* Clear GBIF halt in case GX domain was not collapsed */