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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 CD037C433E2 for ; Thu, 25 Mar 2021 01:22:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 99A2761A18 for ; Thu, 25 Mar 2021 01:22:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239605AbhCYBVy (ORCPT ); Wed, 24 Mar 2021 21:21:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235529AbhCYBVN (ORCPT ); Wed, 24 Mar 2021 21:21:13 -0400 Received: from mail-pg1-x52e.google.com (mail-pg1-x52e.google.com [IPv6:2607:f8b0:4864:20::52e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C7EAC06175F; Wed, 24 Mar 2021 18:20:45 -0700 (PDT) Received: by mail-pg1-x52e.google.com with SMTP id r17so212522pgi.0; Wed, 24 Mar 2021 18:20:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Sa9rRO43y1B+/upjtWDeuqkMJ0Hr4TpHsHjlP2Qs1RM=; b=OYKe8fJM3o7gVtlVc70JmMSa5jnG/WHxJjuOzmSjN5bLrU6MhDs63YIEQHg/Y1X/ja WF5qqo2d7LhI1gBd0mWoSD7meICB8ueXBaHXsagciFHt55dnAW0kDb6g8RXh0QJ+NJRY GXY5hIF83xSmII8sAGN5Q1wpnhOfFl2AL23ey2KFefwGreplS6aspiwP72AtOMq9Cyi+ osQ0BQ5hk31OCYbQAbQDxxFlz23U+URSQgL4pTqEkFfGFr72Tkf544zdOC38wyvJdnEh WBDSVfBvHSs9FXG8zW1+VtMO6QNysX4B9PkDHcSBFOqO51ZgPTdZL4hi/PDitD8ijlj1 GRxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Sa9rRO43y1B+/upjtWDeuqkMJ0Hr4TpHsHjlP2Qs1RM=; b=Dk2LZUfcWCvtqlpoTlr4ab4aobi9FaEPvmD+6duAx943hZHD3aWZzrLsw2iNKtzCls Mygiy/ftW3pRm82ebe+kI7TWVQZMhUMmQFuLg02SpY9ZC+X1AFxwA/AGj3uL1kSYRHM4 WuJqnX4BvjFKe9COVjKgD26ixyeBPsz8XfvG5asgZ8Ul3JNHMvXcmVhTX7FLnT9H9iP+ lrJgdpgICIqOMC4HCy1L4YkODH3RMnMaMWAllyUToVG8zc1wvr88ZQsHB/0NElh/sgY5 /45dItpbgmAJPuvKL65r4PDJDyrMCD/aO3qyVkuKzIPMmFN/wYDsS6e7n6Ugwib1mcta 6TIw== X-Gm-Message-State: AOAM530FI89QeJmNOXY+2mDsIUL1lG369L0sLvx196yt4HhW5xuRgPks PBbBfZUCp8FNYzoviA1Z8qE= X-Google-Smtp-Source: ABdhPJwlvOpwfxlO1r3DymaRU532rmUPOXvwLwIDzeuogggJ73XJeQiliaTpUYUf8+v37mov4tt9jA== X-Received: by 2002:a63:ea01:: with SMTP id c1mr5553114pgi.236.1616635244929; Wed, 24 Mar 2021 18:20:44 -0700 (PDT) Received: from localhost ([2601:1c0:5200:a6:307:a401:7b76:c6e5]) by smtp.gmail.com with ESMTPSA id w23sm3283150pgm.64.2021.03.24.18.20.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Mar 2021 18:20:43 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: Rob Clark , Rob Clark , Sean Paul , David Airlie , Daniel Vetter , Jordan Crouse , "Kristian H. Kristensen" , Bjorn Andersson , Sam Ravnborg , Emil Velikov , "Gustavo A. R. Silva" , Marijn Suijten , Jonathan Marek , Eric Anholt , Sai Prakash Ranjan , Sharat Masetty , linux-arm-msm@vger.kernel.org (open list:DRM DRIVER FOR MSM ADRENO GPU), freedreno@lists.freedesktop.org (open list:DRM DRIVER FOR MSM ADRENO GPU), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 1/2] drm/msm: Fix a5xx/a6xx timestamps Date: Wed, 24 Mar 2021 18:23:52 -0700 Message-Id: <20210325012358.1759770-2-robdclark@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210325012358.1759770-1-robdclark@gmail.com> References: <20210325012358.1759770-1-robdclark@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rob Clark They were reading a counter that was configured to ALWAYS_COUNT (ie. cycles that the GPU is doing something) rather than ALWAYS_ON. This isn't the thing that userspace is looking for. Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 4 ++-- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index a5af223eaf50..bb82fcd9df81 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -1241,8 +1241,8 @@ static int a5xx_pm_suspend(struct msm_gpu *gpu) static int a5xx_get_timestamp(struct msm_gpu *gpu, uint64_t *value) { - *value = gpu_read64(gpu, REG_A5XX_RBBM_PERFCTR_CP_0_LO, - REG_A5XX_RBBM_PERFCTR_CP_0_HI); + *value = gpu_read64(gpu, REG_A5XX_RBBM_ALWAYSON_COUNTER_LO, + REG_A5XX_RBBM_ALWAYSON_COUNTER_HI); return 0; } diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 130661898546..59718c304488 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1173,8 +1173,8 @@ static int a6xx_get_timestamp(struct msm_gpu *gpu, uint64_t *value) /* Force the GPU power on so we can read this register */ a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET); - *value = gpu_read64(gpu, REG_A6XX_RBBM_PERFCTR_CP_0_LO, - REG_A6XX_RBBM_PERFCTR_CP_0_HI); + *value = gpu_read64(gpu, REG_A6XX_CP_ALWAYS_ON_COUNTER_LO, + REG_A6XX_CP_ALWAYS_ON_COUNTER_HI); a6xx_gmu_clear_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET); return 0; -- 2.29.2