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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 622F7C43441 for ; Tue, 13 Nov 2018 12:16:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D3852243E for ; Tue, 13 Nov 2018 12:16:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1D3852243E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733006AbeKMWOK (ORCPT ); Tue, 13 Nov 2018 17:14:10 -0500 Received: from mx2.suse.de ([195.135.220.15]:48416 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1732950AbeKMWOK (ORCPT ); Tue, 13 Nov 2018 17:14:10 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 6E7BDB035; Tue, 13 Nov 2018 12:16:16 +0000 (UTC) Subject: Re: Performance regression in ast drm driver To: Jean Delvare Cc: Takashi Iwai , David Airlie , christian.koenig@amd.com, dri-devel , linux-kernel References: <20181101162707.598c1718@endymion> <20181108130509.3b2d42ff@endymion> <1542033367.2661.33.camel@suse.de> <1542040904.2661.35.camel@suse.de> <89ae9adf-27e7-ae80-639c-c67202a0d0b7@suse.de> <20181113130821.2a7694a6@endymion> From: Thomas Zimmermann Openpgp: preference=signencrypt Autocrypt: addr=tzimmermann@suse.de; keydata= xsBNBFs50uABCADEHPidWt974CaxBVbrIBwqcq/WURinJ3+2WlIrKWspiP83vfZKaXhFYsdg XH47fDVbPPj+d6tQrw5lPQCyqjwrCPYnq3WlIBnGPJ4/jreTL6V+qfKRDlGLWFjZcsrPJGE0 BeB5BbqP5erN1qylK9i3gPoQjXGhpBpQYwRrEyQyjuvk+Ev0K1Jc5tVDeJAuau3TGNgah4Yc hdHm3bkPjz9EErV85RwvImQ1dptvx6s7xzwXTgGAsaYZsL8WCwDaTuqFa1d1jjlaxg6+tZsB 9GluwvIhSezPgnEmimZDkGnZRRSFiGP8yjqTjjWuf0bSj5rUnTGiyLyRZRNGcXmu6hjlABEB AAHNKFRob21hcyBaaW1tZXJtYW5uIDx0emltbWVybWFubkBzdXNlLmNvbT7CwJQEEwEIAD4W IQRyF/usjOnPY0ShaOVoDcEdUwt6IwUCWznTtgIbAwUJA8JnAAULCQgHAgYVCgkICwIEFgID AQIeAQIXgAAKCRBoDcEdUwt6I7D7CACBK42XW+7mCiK8ioXMEy1NzGbXC51RzGea8N83oEJS 1KVUtQxrkDxgrW/WLSl/TfqHFsJpdEFOv1XubWbleun3uKPy0e5vZCd5UjZPkeNjnqfCYTDy hVVsdOuFbtWDppJyJrThLqr9AgSFmoCNNUt1SVpYEEOLNE6C32BhlnSq21VLC+YXTgO/ZHTa YXkq54hHj63jwrcjkBSCkXLh37kHeqnl++GHpN+3R+o3w2OpwHAlvVjdKPT27v1tVkiydsFG 65Vd0n3m/ft+IOrGgxQM1C20uqKvsZGB4r3OGR50ekAybO7sjEJJ1Obl4ge/6RRqcvKz4LMb tGs85D6tPIeFzsBNBFs50uABCADGJj+DP1fk+UWOWrf4O61HTbC4Vr9QD2K4fUUHnzg2B6zU R1BPXqLGG0+lzK8kfYU/F5RjmEcClsIkAaFkg4kzKP14tvY1J5+AV3yNqcdg018HNtiyrSwI E0Yz/qm1Ot2NMZ0DdvVBg22IMsiudQ1tx9CH9mtyTbIXgACvl3PW2o9CxiHPE/bohFhwZwh/ kXYYAE51lhinQ3oFEeQZA3w4OTvxSEspiQR8dg8qJJb+YOAc5IKk6sJmmM7JfFMWSr22satM 23oQ3WvJb4RV6HTRTAIEyyZS7g2DhiytgMG60t0qdABG5KXSQW+OKlZRpuWwKWaLh3if/p/u 69dvpanbABEBAAHCwHwEGAEIACYWIQRyF/usjOnPY0ShaOVoDcEdUwt6IwUCWznS4AIbDAUJ A8JnAAAKCRBoDcEdUwt6I6X3CACJ8D+TpXBCqJE5xwog08+Dp8uBpx0T9n1wE0GQisZruACW NofYn8PTX9k4wmegDLwt7YQDdKxQ4+eTfZeLNQqWg6OCftH5Kx7sjWnJ09tOgniVdROzWJ7c VJ/i0okazncsJ+nq48UYvRGE1Swh3A4QRIyphWX4OADOBmTFl9ZYNPnh23eaC9WrNvFr7yP7 iGjMlfEW8l6Lda//EC5VpXVNza0xeae0zFNst2R9pn+bLkihwDLWxOIyifGRxTqNxoS4I1aw VhxPSVztPMSpIA/sOr/N/p6JrBLn+gui2K6mP7bGb8hF+szfArYqz3T1rv1VzUWAJf5Wre5U iNx9uqqx Message-ID: <2de96ad6-11a4-860a-da86-b9e38529bc99@suse.de> Date: Tue, 13 Nov 2018 13:16:11 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0 MIME-Version: 1.0 In-Reply-To: <20181113130821.2a7694a6@endymion> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="cn9Niv9yGLxblSA5mGptzvn90G7SnDlxp" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --cn9Niv9yGLxblSA5mGptzvn90G7SnDlxp Content-Type: multipart/mixed; boundary="4q57kKWQoHDKhXrBoch6sj6wuY6nnvoPM"; protected-headers="v1" From: Thomas Zimmermann To: Jean Delvare Cc: Takashi Iwai , David Airlie , christian.koenig@amd.com, dri-devel , linux-kernel Message-ID: <2de96ad6-11a4-860a-da86-b9e38529bc99@suse.de> Subject: Re: Performance regression in ast drm driver References: <20181101162707.598c1718@endymion> <20181108130509.3b2d42ff@endymion> <1542033367.2661.33.camel@suse.de> <1542040904.2661.35.camel@suse.de> <89ae9adf-27e7-ae80-639c-c67202a0d0b7@suse.de> <20181113130821.2a7694a6@endymion> In-Reply-To: <20181113130821.2a7694a6@endymion> --4q57kKWQoHDKhXrBoch6sj6wuY6nnvoPM Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable Hi Am 13.11.18 um 13:08 schrieb Jean Delvare: > Hi Thomas, >=20 > On Tue, 13 Nov 2018 10:23:45 +0100, Thomas Zimmermann wrote: >> ast doesn't remove the vesafb's framebuffer before attaching to the >> device. I have a patch at [1]. If you have a way of testing it, I'd >> appreciate. >> >> [1] https://bugzilla.suse.com/show_bug.cgi?id=3D1112963 >=20 > Thank you very much for looking into this bug. I tested the patch above= > and yes, it solves my console performance problem. The performance with= > your patch applied is roughly the same as with commit "drm/drivers: add= > support for using the arch wc mapping API" reverted. >=20 Great. I'll add it to SLE and also send it upstream soonish. Let's see what Edward reports. Thanks for building a kernel for him. Best regards Thomas --=20 Thomas Zimmermann Graphics Driver Developer SUSE Linux GmbH, Maxfeldstr. 5, D-90409 N=C3=BCrnberg Tel: +49-911-74053-0; Fax: +49-911-7417755; https://www.suse.com/ SUSE Linux GmbH, GF: Felix Imend=C3=B6rffer, Jane Smithard, Graham Norton, HRB 21284 (AG N=C3=BCrnberg) --4q57kKWQoHDKhXrBoch6sj6wuY6nnvoPM-- --cn9Niv9yGLxblSA5mGptzvn90G7SnDlxp Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEchf7rIzpz2NEoWjlaA3BHVMLeiMFAlvqwIsACgkQaA3BHVML eiOX7QgAlVjK8nDvXQ4H8J8iasnNp9XP4Otoqi+/ptRXKVF4V1t3nm4mQqyY/5cI P1WfS9dh5mgpExmQM6SuwEXzp1tDCwlRValf/rMRmXKJHuYkynU8COxkkKjcMzAK oMX7jHKoCy/VagNS+ZL1ZuZb52uVomsnYFhlab3N4HaoJ58MtroB41W5NCsFPBHH wkqsjYimIJwT0N7g0qDFpov8sutmf/QIC0fqqj90VZ/w2M26gHjP2mYSOT+OXTiv +34aDZSzxAOfTqS9/h4qv0xnAHeZa6bcOEmBdEdcG+ZXkKxxCZbir7BEIzHUYqj9 elT+o5GHoIxHoOt35r9rEgasvK7YbA== =lmfi -----END PGP SIGNATURE----- --cn9Niv9yGLxblSA5mGptzvn90G7SnDlxp--