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(PDT) From: youling257 To: hch@lst.de Cc: akpm@linux-foundation.org, chris@chris-wilson.co.uk, daniel.vetter@ffwll.ch, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, linux-mm@kvack.org, peterz@infradead.org, rodrigo.vivi@intel.com Subject: Re: [Intel-gfx] [PATCH 4/4] i915: fix remap_io_sg to verify the pgprot 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-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 4E951E00011F Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=gmail.com header.s=20161025 header.b=uI91Yh9j; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf13.hostedemail.com: domain of youling257@gmail.com designates 209.85.216.53 as permitted sender) smtp.mailfrom=youling257@gmail.com X-Stat-Signature: zpfrsriaktbj6c79ddnjqpy7yotdajru Received-SPF: none (gmail.com>: No applicable sender policy available) receiver=imf13; identity=mailfrom; envelope-from=""; helo=mail-pj1-f53.google.com; client-ip=209.85.216.53 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1620502410-954784 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: This patch cause "x86/PAT : surfaceflinger:1440 map pfn RAM range req wri= te-combining for [mem 0x064a2000-0x064a2fff], got write-back" problem. my 2GB ram Bay trail z3735f tablet runing on android-x86, "i915: fix rema= p_io_sg to verify the pgprot" cause this problem. 05-09 02:59:25.099 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x0640a000-0x0640dfff], got write-ba= ck 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 RA= M range req write-combining for [mem 0x064a2000-0x064a2fff], got write-ba= ck 05-09 02:59:25.118 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x06400000-0x06404fff], got write-ba= ck 05-09 02:59:25.125 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x06405000-0x06408fff], got write-ba= ck 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 RA= M range req write-combining for [mem 0x06542000-0x06542fff], got write-ba= ck 05-09 02:59:25.165 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x06499000-0x0649dfff], got write-ba= ck 05-09 02:59:25.171 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x0649e000-0x064a1fff], got write-ba= ck 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 RA= M range req write-combining for [mem 0x065fa000-0x065fafff], got write-ba= ck 05-09 02:59:25.192 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x06539000-0x0653dfff], got write-ba= ck 05-09 02:59:25.199 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x0653e000-0x06541fff], got write-ba= ck 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 RA= M range req write-combining for [mem 0x066a2000-0x066a2fff], got write-ba= ck 05-09 02:59:25.218 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x065f1000-0x065f5fff], got write-ba= ck 05-09 02:59:25.226 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x065f6000-0x065f9fff], got write-ba= ck 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-bac= k 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-bac= k 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-bac= k 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-bac= k 05-09 02:59:27.310 1440 1440 E drm-fb : Failed to get handle from prim= e 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-bac= k 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-bac= k 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-bac= k 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-bac= k 05-09 02:59:27.344 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x07e87000-0x07e8bfff], got write-ba= ck 05-09 02:59:27.349 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x07e8c000-0x07e90fff], got write-ba= ck 05-09 02:59:27.347 1440 1440 E drm-fb : Failed to get handle from prim= e fd: 25 05-09 02:59:27.361 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x1c123000-0x1c126fff], got write-ba= ck 05-09 02:59:27.361 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x1c127000-0x1c12afff], got write-ba= ck 05-09 02:59:27.362 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x1c12f000-0x1c13efff], got write-ba= ck 05-09 02:59:27.362 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x1c12b000-0x1c12efff], got write-ba= ck 05-09 02:59:27.364 1440 1440 E drm-fb : Failed to get handle from prim= e fd: 25 05-09 02:59:27.377 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x1c140000-0x1c144fff], got write-ba= ck 05-09 02:59:27.377 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x1c145000-0x1c148fff], got write-ba= ck 05-09 02:59:27.378 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x1c14b000-0x1c14ffff], got write-ba= ck 05-09 02:59:27.379 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x1c151000-0x1c155fff], got write-ba= ck 05-09 02:59:27.377 1440 1440 E drm-fb : Failed to get handle from prim= e fd: 25 05-09 02:59:27.393 0 0 W x86/PAT : surfaceflinger:1440 map pfn RA= M range req write-combining for [mem 0x1c157000-0x1c15bfff], got write-ba= ck