From patchwork Wed Sep 7 10:27:36 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 9318803 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 97610607D3 for ; Wed, 7 Sep 2016 10:28:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9E1E529207 for ; Wed, 7 Sep 2016 10:28:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 92C7B29209; Wed, 7 Sep 2016 10:28:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5A28A29207 for ; Wed, 7 Sep 2016 10:28:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4259B6E9B7; Wed, 7 Sep 2016 10:28:21 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-wm0-x242.google.com (mail-wm0-x242.google.com [IPv6:2a00:1450:400c:c09::242]) by gabe.freedesktop.org (Postfix) with ESMTPS id D7DB96E9B1; Wed, 7 Sep 2016 10:28:19 +0000 (UTC) Received: by mail-wm0-x242.google.com with SMTP id a6so2242021wmc.2; Wed, 07 Sep 2016 03:28:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=uPaLeiOMpNiCltbXquNVVC0Q5NosADvRv/BJsqGF+kY=; b=OJlF1UaLK6XZFl4LKjwU7xk3hDsEYjpGX/ix3hLBck2yo+u45kSe6qqZ8B09ymRLIL XMPLBQ5skiZB+yNEING3WG+uiSVQI66LXvrvk+CgX6V9Fyfes6IHy82DoYen3ti9j02J 888QW+xQUQsNuvnMdwOjcWi9AJxzsqUAcbHCGL7OfsW+Vxrmx8PrWpF/81uy05GKdlDH 4iRXLIN7F7SeC/1Oi/DMaDlgUKsn9GU/U63w8EpIHG9YS2cw81xITKYC5Y2Z33Di0+3s Xi9KR8OcVO0Lv/45MprMhlzBjey/11ptsjDF9LZshnwU8z0LSv3L0rw3Be3FAEmQinpd g5HQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=uPaLeiOMpNiCltbXquNVVC0Q5NosADvRv/BJsqGF+kY=; b=Pu7zk0yYwFCeqI96CKUIqbjG/MKgW6Q8nSEfO8vbs+S9Qjlg5WXWfBtUusoxitxcSZ 4kMvLH+QnwIJIMlnoKIZOuMWcz7IkVijedcCjpBR9wltcxd0aTRhxf39b0NL290kRPZL 0rnF3hNZNilZr+Tnb4zwRZ0aHfWFfMYFid8QwchmZhVVmg5jHvrCTjoFjlQnyf0kLO1R PyefZuW30od10feBsZjMLuRJ6AWU54bSTtX1cN3gdV4QevEIwhhEwoidt4L7sGjrCRP6 CmKQJdq+Rv5/i8NnV9FPoQhslIVG+vtN8ZTy668moVn0ptJnJGmyw+PfyW+R8OyrOIDP Nqbw== X-Gm-Message-State: AE9vXwPkeEosYdu6MbBc4p6dUdsi/idrHUgLHupe4qecvIRQNdXkDky00XkkCTciQ9O3Qg== X-Received: by 10.194.134.101 with SMTP id pj5mr18583830wjb.59.1473244098440; Wed, 07 Sep 2016 03:28:18 -0700 (PDT) Received: from cizrna.lan ([109.72.12.101]) by smtp.gmail.com with ESMTPSA id n7sm25677667wjs.34.2016.09.07.03.28.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 07 Sep 2016 03:28:17 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v6 4/4] drm/i915: Put "cooked" vlank counters in frame CRC lines Date: Wed, 7 Sep 2016 12:27:36 +0200 Message-Id: <1473244056-10157-5-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1473244056-10157-1-git-send-email-tomeu.vizoso@collabora.com> References: <1473244056-10157-1-git-send-email-tomeu.vizoso@collabora.com> Cc: Tomeu Vizoso , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Daniel Vetter , Emil Velikov X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Use drm_accurate_vblank_count so we have the full 32 bit to represent the frame counter and userspace has a simpler way of knowing when the counter wraps around. Signed-off-by: Tomeu Vizoso --- drivers/gpu/drm/i915/i915_irq.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 413667497ce0..32a5f4634d6d 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1489,7 +1489,6 @@ static void display_pipe_crc_irq_handler(struct drm_i915_private *dev_priv, struct drm_driver *driver = dev_priv->drm.driver; uint32_t crcs[5]; int head, tail, ret; - u32 frame; spin_lock(&pipe_crc->lock); if (pipe_crc->source) { @@ -1545,8 +1544,9 @@ static void display_pipe_crc_irq_handler(struct drm_i915_private *dev_priv, crcs[2] = crc2; crcs[3] = crc3; crcs[4] = crc4; - frame = driver->get_vblank_counter(&dev_priv->drm, pipe); - ret = drm_crtc_add_crc_entry(crtc, true, frame, crcs); + ret = drm_crtc_add_crc_entry(crtc, true, + drm_accurate_vblank_count(crtc), + crcs); spin_unlock(&crtc->crc.lock); if (!ret) wake_up_interruptible(&crtc->crc.wq);