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mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 09F686E44F; Mon, 10 May 2021 09:41:17 +0000 (UTC) Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by gabe.freedesktop.org (Postfix) with ESMTPS id 741F389E57; Sat, 8 May 2021 19:33:43 +0000 (UTC) Received: by mail-pj1-x102f.google.com with SMTP id t2-20020a17090a0242b0290155433387beso6409586pje.1; Sat, 08 May 2021 12:33:43 -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=d/khha5gcYxKTZWPmu0C7r4Hm8Jar/yv7FF0/xWX35k=; b=uI91Yh9jX1UMCjFADa3Spki/qYd86s1jH1IXJeVXg0xDdfHIWNmw/OWsWKnzYTbxU6 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X-Google-Smtp-Source: ABdhPJyKdz0WlRg+E/80oP8OGNuEsW15TK5hHRQeI76SL3SHeka1FSYJ0wzNqPjZLkqR8w7Y6MwI/Q== X-Received: by 2002:a17:902:6841:b029:ee:e239:18bf with SMTP id f1-20020a1709026841b02900eee23918bfmr16802089pln.56.1620502422986; Sat, 08 May 2021 12:33:42 -0700 (PDT) Received: from localhost.localdomain ([104.200.131.246]) by smtp.gmail.com with ESMTPSA id b2sm15333631pji.28.2021.05.08.12.33.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 08 May 2021 12:33:42 -0700 (PDT) From: youling257 To: hch@lst.de Date: Sun, 9 May 2021 03:33:29 +0800 Message-Id: <20210508193329.28394-1-youling257@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210326055505.1424432-5-hch@lst.de> References: <20210326055505.1424432-5-hch@lst.de> MIME-Version: 1.0 X-Mailman-Approved-At: Mon, 10 May 2021 09:41:14 +0000 Subject: Re: [Intel-gfx] [PATCH 4/4] i915: fix remap_io_sg to verify the pgprot X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peterz@infradead.org, daniel.vetter@ffwll.ch, intel-gfx@lists.freedesktop.org, chris@chris-wilson.co.uk, linux-mm@kvack.org, dri-devel@lists.freedesktop.org, akpm@linux-foundation.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" This patch cause "x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x064a2000-0x064a2fff], got write-back" problem. my 2GB ram Bay trail z3735f tablet runing on android-x86, "i915: fix remap_io_sg to verify the pgprot" cause this problem. 05-09 02:59:25.099 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x0640a000-0x0640dfff], got write-back 05-09 02:59:25.106 1440 1440 W hwc-gl-worker: EGL_ANDROID_native_fence_sync extension not supported 05-09 02:59:25.111 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x064a2000-0x064a2fff], got write-back 05-09 02:59:25.118 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x06400000-0x06404fff], got write-back 05-09 02:59:25.125 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x06405000-0x06408fff], got write-back 05-09 02:59:25.148 1440 1440 W hwc-gl-worker: EGL_ANDROID_native_fence_sync extension not supported 05-09 02:59:25.158 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x06542000-0x06542fff], got write-back 05-09 02:59:25.165 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x06499000-0x0649dfff], got write-back 05-09 02:59:25.171 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x0649e000-0x064a1fff], got write-back 05-09 02:59:25.177 1440 1440 W hwc-gl-worker: EGL_ANDROID_native_fence_sync extension not supported 05-09 02:59:25.183 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x065fa000-0x065fafff], got write-back 05-09 02:59:25.192 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x06539000-0x0653dfff], got write-back 05-09 02:59:25.199 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x0653e000-0x06541fff], got write-back 05-09 02:59:25.204 1440 1440 W hwc-gl-worker: EGL_ANDROID_native_fence_sync extension not supported 05-09 02:59:25.212 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x066a2000-0x066a2fff], got write-back 05-09 02:59:25.218 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x065f1000-0x065f5fff], got write-back 05-09 02:59:25.226 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x065f6000-0x065f9fff], got write-back 05-09 02:59:27.101 0 0 W x86/PAT : BootAnimation:1665 map pfn RAM range req write-combining for [mem 0x08a76000-0x08a76fff], got write-back 05-09 02:59:27.225 0 0 W x86/PAT : BootAnimation:1665 map pfn RAM range req write-combining for [mem 0x08a77000-0x08a7afff], got write-back 05-09 02:59:27.242 0 0 W x86/PAT : BootAnimation:1665 map pfn RAM range req write-combining for [mem 0x08bd0000-0x08bd0fff], got write-back 05-09 02:59:27.254 0 0 W x86/PAT : BootAnimation:1665 map pfn RAM range req write-combining for [mem 0x08bd1000-0x08bf0fff], got write-back 05-09 02:59:27.310 1440 1440 E drm-fb : Failed to get handle from prime fd: 25 05-09 02:59:27.322 0 0 W x86/PAT : BootAnimation:1665 map pfn RAM range req write-combining for [mem 0x080d5000-0x080d9fff], got write-back 05-09 02:59:27.322 0 0 W x86/PAT : BootAnimation:1665 map pfn RAM range req write-combining for [mem 0x080da000-0x080ddfff], got write-back 05-09 02:59:27.338 0 0 W x86/PAT : BootAnimation:1665 map pfn RAM range req write-combining for [mem 0x1b830000-0x1b83ffff], got write-back 05-09 02:59:27.338 0 0 W x86/PAT : BootAnimation:1665 map pfn RAM range req write-combining for [mem 0x1b76a000-0x1b76efff], got write-back 05-09 02:59:27.344 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x07e87000-0x07e8bfff], got write-back 05-09 02:59:27.349 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x07e8c000-0x07e90fff], got write-back 05-09 02:59:27.347 1440 1440 E drm-fb : Failed to get handle from prime fd: 25 05-09 02:59:27.361 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x1c123000-0x1c126fff], got write-back 05-09 02:59:27.361 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x1c127000-0x1c12afff], got write-back 05-09 02:59:27.362 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x1c12f000-0x1c13efff], got write-back 05-09 02:59:27.362 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x1c12b000-0x1c12efff], got write-back 05-09 02:59:27.364 1440 1440 E drm-fb : Failed to get handle from prime fd: 25 05-09 02:59:27.377 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x1c140000-0x1c144fff], got write-back 05-09 02:59:27.377 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x1c145000-0x1c148fff], got write-back 05-09 02:59:27.378 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x1c14b000-0x1c14ffff], got write-back 05-09 02:59:27.379 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x1c151000-0x1c155fff], got write-back 05-09 02:59:27.377 1440 1440 E drm-fb : Failed to get handle from prime fd: 25 05-09 02:59:27.393 0 0 W x86/PAT : surfaceflinger:1440 map pfn RAM range req write-combining for [mem 0x1c157000-0x1c15bfff], got write-back 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