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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 92F39C433E0 for ; Tue, 23 Feb 2021 08:20:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 343E86023C for ; Tue, 23 Feb 2021 08:20:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232017AbhBWIUQ (ORCPT ); Tue, 23 Feb 2021 03:20:16 -0500 Received: from mx2.suse.de ([195.135.220.15]:51918 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231995AbhBWIUP (ORCPT ); Tue, 23 Feb 2021 03:20:15 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 32422AC6E; Tue, 23 Feb 2021 08:19:33 +0000 (UTC) Subject: Re: [PATCH v2 0/3] drm/prime: Only call dma_map_sgtable() for devices with DMA support To: Daniel Vetter Cc: lima@lists.freedesktop.org, Tomeu Vizoso , Dave Airlie , Alyssa Rosenzweig , dri-devel , Steven Price , "moderated list:DMA BUFFER SHARING FRAMEWORK" , Alan Stern , Qiang Yu , =?UTF-8?Q?Christian_K=c3=b6nig?= , "open list:DMA BUFFER SHARING FRAMEWORK" References: <20210222124328.27340-1-tzimmermann@suse.de> <238ce852-730b-e31c-a6fe-a9ecaca497e3@suse.de> <4246f9d2-2ce8-151a-fd92-8cf10510adec@suse.de> From: Thomas Zimmermann Message-ID: <9c92c303-5ce9-e09b-60c2-bc7cf8ec6146@suse.de> Date: Tue, 23 Feb 2021 09:19:31 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="Aka95Yog5J18D5w9fRfNvSgzDFyLE9Yvu" Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --Aka95Yog5J18D5w9fRfNvSgzDFyLE9Yvu Content-Type: multipart/mixed; boundary="0u0KLXX9po0CNh551RVjBycX4dbOk98KB"; protected-headers="v1" From: Thomas Zimmermann To: Daniel Vetter Cc: lima@lists.freedesktop.org, Tomeu Vizoso , Dave Airlie , Alyssa Rosenzweig , dri-devel , Steven Price , "moderated list:DMA BUFFER SHARING FRAMEWORK" , Alan Stern , Qiang Yu , =?UTF-8?Q?Christian_K=c3=b6nig?= , "open list:DMA BUFFER SHARING FRAMEWORK" Message-ID: <9c92c303-5ce9-e09b-60c2-bc7cf8ec6146@suse.de> Subject: Re: [PATCH v2 0/3] drm/prime: Only call dma_map_sgtable() for devices with DMA support References: <20210222124328.27340-1-tzimmermann@suse.de> <238ce852-730b-e31c-a6fe-a9ecaca497e3@suse.de> <4246f9d2-2ce8-151a-fd92-8cf10510adec@suse.de> In-Reply-To: --0u0KLXX9po0CNh551RVjBycX4dbOk98KB Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable Hi Am 22.02.21 um 17:34 schrieb Daniel Vetter: > On Mon, Feb 22, 2021 at 05:25:46PM +0100, Thomas Zimmermann wrote: >> Hi >> >> Am 22.02.21 um 17:10 schrieb Daniel Vetter: >>> On Mon, Feb 22, 2021 at 2:24 PM Thomas Zimmermann wrote: >>>> >>>> Hi >>>> >>>> Am 22.02.21 um 14:09 schrieb Christian K=C3=B6nig: >>>>> >>>>> >>>>> Am 22.02.21 um 13:43 schrieb Thomas Zimmermann: >>>>>> USB-based drivers cannot use DMA, so the importing of dma-buf atta= chments >>>>>> currently fails for udl and gm12u320. This breaks joining/mirrorin= g of >>>>>> displays. >>>>>> >>>>>> The fix is now a little series. To solve the issue on the importer= >>>>>> side (i.e., the affected USB-based driver), patch 1 introduces a n= ew >>>>>> PRIME callback, struct drm_driver.gem_prime_create_object, which c= reates >>>>>> an object and gives more control to the importing driver. Specific= ally, >>>>>> udl and gm12u320 can now avoid the creation of a scatter/gather ta= ble >>>>>> for the imported pages. Patch 1 is self-contained in the sense tha= t it >>>>>> can be backported into older kernels. >>>>> >>>>> Mhm, that sounds like a little overkill to me. >>>>> >>>>> Drivers can already import the DMA-bufs all by them selves without = the >>>>> help of the DRM functions. See amdgpu for an example. >>>>> >>>>> Daniel also already noted to me that he sees the DRM helper as a bi= t >>>>> questionable middle layer. >>>> >>>> And this bug proves that it is. :) >>> >>> The trouble here is actually gem_bo->import_attach, which isn't reall= y >>> part of the questionable midlayer, but fairly mandatory (only >>> exception is vmwgfx because not using gem) caching to make sure we >>> don't end up with duped imports and fun stuff like that. >>> >>> And dma_buf_attach now implicitly creates the sg table already, so >>> we're already in game over land. I think we'd need to make >>> import_attach a union with import_buf or something like that, so that= >>> you can do attachment-less importing. >> >> Creating the sg table is not the problem; mapping it is. So dma_buf_at= tach >> shouldn't be a problem. >=20 > dma_buf_attach will create a cached sg-mapping for you if the exporter = is > dynamic. Currently that's only the case for amdgpu, I guess you didn't > test with that. >=20 > So yeah dma_buf_attach is a problem already. And if we can't attach, th= e > entire obj->import_attach logic in drm_prime.c falls over, and we get a= ll > kinds of fun with double import and re-export. OK, I give up. I'll send out the patch with the usb controller later toda= y. Best regards Thomas >=20 >>>>> Have you thought about doing that instead? >>>> >>>> There appears to be some useful code in drm_gem_prime_import_dev(). = But >>>> if the general sentiment goes towards removing >>>> gem_prime_import_sg_table, we can work towards that as well. >>> >>> I still think this part is a bit a silly midlayer for no good reason,= >>> but I think that's orthogonal to the issue at hand here. >>> >>> I'd suggest we first try to paper over the issue by using >>> prime_import_dev with the host controller (which hopefully is >>> dma-capable for most systems). And then, at leisure, try to untangle >>> the obj->import_attach issue. >> >> I really don't want to do this. My time is also limited, and I''ll spe= nd >> time papering over the thing. And then more time for the real fix. I'd= >> rather pull drm_gem_prime_import_dev() in to USB drivers and avoid the= >> dma_buf_map(). >=20 > Yeah I understand, it's just (as usual :-/) more complex than it seems = =2E.. > -Daniel >=20 >> >> Best regard >> Thomas >> >>> -Daniel >>> >>>> >>>> Best regards >>>> Thomas >>>> >>>>> >>>>> Christian. >>>>> >>>>>> >>>>>> Patches 2 and 3 update SHMEM and CMA helpers to use the new callba= ck. >>>>>> Effectively this moves the sg table setup from the PRIME helpers i= nto >>>>>> the memory managers. SHMEM now supports devices without DMA suppor= t, >>>>>> so custom code can be removed from udl and g12u320. >>>>>> >>>>>> Tested by joining/mirroring displays of udl and radeon under Gnome= /X11. >>>>>> >>>>>> v2: >>>>>> * move fix to importer side (Christian, Daniel) >>>>>> * update SHMEM and CMA helpers for new PRIME callbacks >>>>>> >>>>>> Thomas Zimmermann (3): >>>>>> drm: Support importing dmabufs into drivers without DMA >>>>>> drm/shmem-helper: Implement struct drm_driver.gem_prime_creat= e_object >>>>>> drm/cma-helper: Implement struct drm_driver.gem_prime_create_= object >>>>>> >>>>>> drivers/gpu/drm/drm_gem_cma_helper.c | 62 ++++++++++++++---= -------- >>>>>> drivers/gpu/drm/drm_gem_shmem_helper.c | 38 ++++++++++----- >>>>>> drivers/gpu/drm/drm_prime.c | 43 +++++++++++------= >>>>>> drivers/gpu/drm/lima/lima_drv.c | 2 +- >>>>>> drivers/gpu/drm/panfrost/panfrost_drv.c | 2 +- >>>>>> drivers/gpu/drm/panfrost/panfrost_gem.c | 6 +-- >>>>>> drivers/gpu/drm/panfrost/panfrost_gem.h | 4 +- >>>>>> drivers/gpu/drm/pl111/pl111_drv.c | 8 ++-- >>>>>> drivers/gpu/drm/v3d/v3d_bo.c | 6 +-- >>>>>> drivers/gpu/drm/v3d/v3d_drv.c | 2 +- >>>>>> drivers/gpu/drm/v3d/v3d_drv.h | 5 +- >>>>>> include/drm/drm_drv.h | 12 +++++ >>>>>> include/drm/drm_gem_cma_helper.h | 12 ++--- >>>>>> include/drm/drm_gem_shmem_helper.h | 6 +-- >>>>>> 14 files changed, 120 insertions(+), 88 deletions(-) >>>>>> >>>>>> -- >>>>>> 2.30.1 >>>>>> >>>>> >>>> >>>> -- >>>> Thomas Zimmermann >>>> Graphics Driver Developer >>>> SUSE Software Solutions Germany GmbH >>>> Maxfeldstr. 5, 90409 N=C3=BCrnberg, Germany >>>> (HRB 36809, AG N=C3=BCrnberg) >>>> Gesch=C3=A4ftsf=C3=BChrer: Felix Imend=C3=B6rffer >>>> >>> >>> >> >> --=20 >> Thomas Zimmermann >> Graphics Driver Developer >> SUSE Software Solutions Germany GmbH >> Maxfeldstr. 5, 90409 N=C3=BCrnberg, Germany >> (HRB 36809, AG N=C3=BCrnberg) >> Gesch=C3=A4ftsf=C3=BChrer: Felix Imend=C3=B6rffer >> >=20 >=20 >=20 >=20 --=20 Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 N=C3=BCrnberg, Germany (HRB 36809, AG N=C3=BCrnberg) Gesch=C3=A4ftsf=C3=BChrer: Felix Imend=C3=B6rffer --0u0KLXX9po0CNh551RVjBycX4dbOk98KB-- --Aka95Yog5J18D5w9fRfNvSgzDFyLE9Yvu Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsF5BAABCAAjFiEExndm/fpuMUdwYFFolh/E3EQov+AFAmA0upMFAwAAAAAACgkQlh/E3EQov+Dc Uw/+JBYuHSOqEuGAPqiBqR2YsC5FQwn7hpBgWA9cwpe5rjZNcsI7HXKsVlNbwMJ5CTgVBSOUULu0 HVE6QP14vQ4Favy1uBSI6/ESGjnEyOTLK5rLXKpgFMQbrYiextWP5Uh5YtnM7YhbriJs2SaeO1CZ DQNktWMvy6w5h5qvR/AP8j3gbhPwD//tTslbiU1xf7R/3km6qmmBrC/KMOw4wy6c3pQG9aFaxIAW MMLUCpb94w0X55yTp7coSR0g+potf8S+y7YVZnFUwPVLQYKmqKRN0UtxZ6qBBRox9Cunr6lphH8I r5F/ACsHw7Q+GEEKwLuM9uc5iqSePMFI2nBNNQtn4BA66UljbUTrOFpSNeLZpf7ZkWbJheIsfs7U Yev0FxUov0j+lZ4FBjlGcMgJ4UUcOmG1Sv16ksFZC3+HKoP6+q0HOH000+nXEP50OOCmhf8MYWMV fAIMEx05VWi8viil2zCj4A9ygRlEO1qH/wj9r0XLsMNrQGi7yusdrXqdQAkthIejjHgaKxZYB/gq RUdC1pIB1I8o1xjWD6ayuQn9KU3Rv5sAVI658rPdlxHwi3dbjJjR9qVymPeRfmBMomUftAgH0Q2q 5yyKT+Caj6rKVWkS8xfq4wRefnrCm1tQmOP4shZi0dN1vQCGLKMIcb5G/kg647C3Sv2feU1GH5zd vSk= =gXOD -----END PGP SIGNATURE----- --Aka95Yog5J18D5w9fRfNvSgzDFyLE9Yvu-- 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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 1FA49C433DB for ; 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Tue, 23 Feb 2021 08:19:33 +0000 (UTC) Subject: Re: [PATCH v2 0/3] drm/prime: Only call dma_map_sgtable() for devices with DMA support To: Daniel Vetter References: <20210222124328.27340-1-tzimmermann@suse.de> <238ce852-730b-e31c-a6fe-a9ecaca497e3@suse.de> <4246f9d2-2ce8-151a-fd92-8cf10510adec@suse.de> From: Thomas Zimmermann Message-ID: <9c92c303-5ce9-e09b-60c2-bc7cf8ec6146@suse.de> Date: Tue, 23 Feb 2021 09:19:31 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lima@lists.freedesktop.org, Tomeu Vizoso , Dave Airlie , dri-devel , Steven Price , "moderated list:DMA BUFFER SHARING FRAMEWORK" , Alan Stern , Alyssa Rosenzweig , "open list:DMA BUFFER SHARING FRAMEWORK" , =?UTF-8?Q?Christian_K=c3=b6nig?= , Qiang Yu Content-Type: multipart/mixed; boundary="===============0935301458==" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============0935301458== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="Aka95Yog5J18D5w9fRfNvSgzDFyLE9Yvu" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --Aka95Yog5J18D5w9fRfNvSgzDFyLE9Yvu Content-Type: multipart/mixed; boundary="0u0KLXX9po0CNh551RVjBycX4dbOk98KB"; protected-headers="v1" From: Thomas Zimmermann To: Daniel Vetter Cc: lima@lists.freedesktop.org, Tomeu Vizoso , Dave Airlie , Alyssa Rosenzweig , dri-devel , Steven Price , "moderated list:DMA BUFFER SHARING FRAMEWORK" , Alan Stern , Qiang Yu , =?UTF-8?Q?Christian_K=c3=b6nig?= , "open list:DMA BUFFER SHARING FRAMEWORK" Message-ID: <9c92c303-5ce9-e09b-60c2-bc7cf8ec6146@suse.de> Subject: Re: [PATCH v2 0/3] drm/prime: Only call dma_map_sgtable() for devices with DMA support References: <20210222124328.27340-1-tzimmermann@suse.de> <238ce852-730b-e31c-a6fe-a9ecaca497e3@suse.de> <4246f9d2-2ce8-151a-fd92-8cf10510adec@suse.de> In-Reply-To: --0u0KLXX9po0CNh551RVjBycX4dbOk98KB Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable Hi Am 22.02.21 um 17:34 schrieb Daniel Vetter: > On Mon, Feb 22, 2021 at 05:25:46PM +0100, Thomas Zimmermann wrote: >> Hi >> >> Am 22.02.21 um 17:10 schrieb Daniel Vetter: >>> On Mon, Feb 22, 2021 at 2:24 PM Thomas Zimmermann wrote: >>>> >>>> Hi >>>> >>>> Am 22.02.21 um 14:09 schrieb Christian K=C3=B6nig: >>>>> >>>>> >>>>> Am 22.02.21 um 13:43 schrieb Thomas Zimmermann: >>>>>> USB-based drivers cannot use DMA, so the importing of dma-buf atta= chments >>>>>> currently fails for udl and gm12u320. This breaks joining/mirrorin= g of >>>>>> displays. >>>>>> >>>>>> The fix is now a little series. To solve the issue on the importer= >>>>>> side (i.e., the affected USB-based driver), patch 1 introduces a n= ew >>>>>> PRIME callback, struct drm_driver.gem_prime_create_object, which c= reates >>>>>> an object and gives more control to the importing driver. Specific= ally, >>>>>> udl and gm12u320 can now avoid the creation of a scatter/gather ta= ble >>>>>> for the imported pages. Patch 1 is self-contained in the sense tha= t it >>>>>> can be backported into older kernels. >>>>> >>>>> Mhm, that sounds like a little overkill to me. >>>>> >>>>> Drivers can already import the DMA-bufs all by them selves without = the >>>>> help of the DRM functions. See amdgpu for an example. >>>>> >>>>> Daniel also already noted to me that he sees the DRM helper as a bi= t >>>>> questionable middle layer. >>>> >>>> And this bug proves that it is. :) >>> >>> The trouble here is actually gem_bo->import_attach, which isn't reall= y >>> part of the questionable midlayer, but fairly mandatory (only >>> exception is vmwgfx because not using gem) caching to make sure we >>> don't end up with duped imports and fun stuff like that. >>> >>> And dma_buf_attach now implicitly creates the sg table already, so >>> we're already in game over land. I think we'd need to make >>> import_attach a union with import_buf or something like that, so that= >>> you can do attachment-less importing. >> >> Creating the sg table is not the problem; mapping it is. So dma_buf_at= tach >> shouldn't be a problem. >=20 > dma_buf_attach will create a cached sg-mapping for you if the exporter = is > dynamic. Currently that's only the case for amdgpu, I guess you didn't > test with that. >=20 > So yeah dma_buf_attach is a problem already. And if we can't attach, th= e > entire obj->import_attach logic in drm_prime.c falls over, and we get a= ll > kinds of fun with double import and re-export. OK, I give up. I'll send out the patch with the usb controller later toda= y. Best regards Thomas >=20 >>>>> Have you thought about doing that instead? >>>> >>>> There appears to be some useful code in drm_gem_prime_import_dev(). = But >>>> if the general sentiment goes towards removing >>>> gem_prime_import_sg_table, we can work towards that as well. >>> >>> I still think this part is a bit a silly midlayer for no good reason,= >>> but I think that's orthogonal to the issue at hand here. >>> >>> I'd suggest we first try to paper over the issue by using >>> prime_import_dev with the host controller (which hopefully is >>> dma-capable for most systems). And then, at leisure, try to untangle >>> the obj->import_attach issue. >> >> I really don't want to do this. My time is also limited, and I''ll spe= nd >> time papering over the thing. And then more time for the real fix. I'd= >> rather pull drm_gem_prime_import_dev() in to USB drivers and avoid the= >> dma_buf_map(). >=20 > Yeah I understand, it's just (as usual :-/) more complex than it seems = =2E.. > -Daniel >=20 >> >> Best regard >> Thomas >> >>> -Daniel >>> >>>> >>>> Best regards >>>> Thomas >>>> >>>>> >>>>> Christian. >>>>> >>>>>> >>>>>> Patches 2 and 3 update SHMEM and CMA helpers to use the new callba= ck. >>>>>> Effectively this moves the sg table setup from the PRIME helpers i= nto >>>>>> the memory managers. SHMEM now supports devices without DMA suppor= t, >>>>>> so custom code can be removed from udl and g12u320. >>>>>> >>>>>> Tested by joining/mirroring displays of udl and radeon under Gnome= /X11. >>>>>> >>>>>> v2: >>>>>> * move fix to importer side (Christian, Daniel) >>>>>> * update SHMEM and CMA helpers for new PRIME callbacks >>>>>> >>>>>> Thomas Zimmermann (3): >>>>>> drm: Support importing dmabufs into drivers without DMA >>>>>> drm/shmem-helper: Implement struct drm_driver.gem_prime_creat= e_object >>>>>> drm/cma-helper: Implement struct drm_driver.gem_prime_create_= object >>>>>> >>>>>> drivers/gpu/drm/drm_gem_cma_helper.c | 62 ++++++++++++++---= -------- >>>>>> drivers/gpu/drm/drm_gem_shmem_helper.c | 38 ++++++++++----- >>>>>> drivers/gpu/drm/drm_prime.c | 43 +++++++++++------= >>>>>> drivers/gpu/drm/lima/lima_drv.c | 2 +- >>>>>> drivers/gpu/drm/panfrost/panfrost_drv.c | 2 +- >>>>>> drivers/gpu/drm/panfrost/panfrost_gem.c | 6 +-- >>>>>> drivers/gpu/drm/panfrost/panfrost_gem.h | 4 +- >>>>>> drivers/gpu/drm/pl111/pl111_drv.c | 8 ++-- >>>>>> drivers/gpu/drm/v3d/v3d_bo.c | 6 +-- >>>>>> drivers/gpu/drm/v3d/v3d_drv.c | 2 +- >>>>>> drivers/gpu/drm/v3d/v3d_drv.h | 5 +- >>>>>> include/drm/drm_drv.h | 12 +++++ >>>>>> include/drm/drm_gem_cma_helper.h | 12 ++--- >>>>>> include/drm/drm_gem_shmem_helper.h | 6 +-- >>>>>> 14 files changed, 120 insertions(+), 88 deletions(-) >>>>>> >>>>>> -- >>>>>> 2.30.1 >>>>>> >>>>> >>>> >>>> -- >>>> Thomas Zimmermann >>>> Graphics Driver Developer >>>> SUSE Software Solutions Germany GmbH >>>> Maxfeldstr. 5, 90409 N=C3=BCrnberg, Germany >>>> (HRB 36809, AG N=C3=BCrnberg) >>>> Gesch=C3=A4ftsf=C3=BChrer: Felix Imend=C3=B6rffer >>>> >>> >>> >> >> --=20 >> Thomas Zimmermann >> Graphics Driver Developer >> SUSE Software Solutions Germany GmbH >> Maxfeldstr. 5, 90409 N=C3=BCrnberg, Germany >> (HRB 36809, AG N=C3=BCrnberg) >> Gesch=C3=A4ftsf=C3=BChrer: Felix Imend=C3=B6rffer >> >=20 >=20 >=20 >=20 --=20 Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 N=C3=BCrnberg, Germany (HRB 36809, AG N=C3=BCrnberg) Gesch=C3=A4ftsf=C3=BChrer: Felix Imend=C3=B6rffer --0u0KLXX9po0CNh551RVjBycX4dbOk98KB-- --Aka95Yog5J18D5w9fRfNvSgzDFyLE9Yvu Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsF5BAABCAAjFiEExndm/fpuMUdwYFFolh/E3EQov+AFAmA0upMFAwAAAAAACgkQlh/E3EQov+Dc Uw/+JBYuHSOqEuGAPqiBqR2YsC5FQwn7hpBgWA9cwpe5rjZNcsI7HXKsVlNbwMJ5CTgVBSOUULu0 HVE6QP14vQ4Favy1uBSI6/ESGjnEyOTLK5rLXKpgFMQbrYiextWP5Uh5YtnM7YhbriJs2SaeO1CZ DQNktWMvy6w5h5qvR/AP8j3gbhPwD//tTslbiU1xf7R/3km6qmmBrC/KMOw4wy6c3pQG9aFaxIAW MMLUCpb94w0X55yTp7coSR0g+potf8S+y7YVZnFUwPVLQYKmqKRN0UtxZ6qBBRox9Cunr6lphH8I r5F/ACsHw7Q+GEEKwLuM9uc5iqSePMFI2nBNNQtn4BA66UljbUTrOFpSNeLZpf7ZkWbJheIsfs7U Yev0FxUov0j+lZ4FBjlGcMgJ4UUcOmG1Sv16ksFZC3+HKoP6+q0HOH000+nXEP50OOCmhf8MYWMV fAIMEx05VWi8viil2zCj4A9ygRlEO1qH/wj9r0XLsMNrQGi7yusdrXqdQAkthIejjHgaKxZYB/gq RUdC1pIB1I8o1xjWD6ayuQn9KU3Rv5sAVI658rPdlxHwi3dbjJjR9qVymPeRfmBMomUftAgH0Q2q 5yyKT+Caj6rKVWkS8xfq4wRefnrCm1tQmOP4shZi0dN1vQCGLKMIcb5G/kg647C3Sv2feU1GH5zd vSk= =gXOD -----END PGP SIGNATURE----- --Aka95Yog5J18D5w9fRfNvSgzDFyLE9Yvu-- --===============0935301458== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel --===============0935301458==--