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Date:   Thu, 5 Jan 2023 13:40:21 +0100
From:   Daniel Vetter <daniel@ffwll.ch>
To:     Cai Huoqing <cai.huoqing@linux.dev>
Cc:     tzimmermann@suse.de,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <mripard@kernel.org>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>, Borislav Petkov <bp@suse.de>,
        Randy Dunlap <rdunlap@infradead.org>,
        Danilo Krummrich <dakr@redhat.com>,
        Sam Ravnborg <sam@ravnborg.org>, linux-kernel@vger.kernel.org,
        dri-devel@lists.freedesktop.org
Subject: Re: [RESEND PATCH linux-next v2 00/10] drm: Remove some obsolete
 drivers(tdfx, mga, i810, savage, r128, sis, via)
Message-ID: <Y7bFNQ5a+qAcxWj+@phenom.ffwll.local>
Mail-Followup-To: Cai Huoqing <cai.huoqing@linux.dev>, tzimmermann@suse.de,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <mripard@kernel.org>,
        David Airlie <airlied@gmail.com>, Borislav Petkov <bp@suse.de>,
        Randy Dunlap <rdunlap@infradead.org>,
        Danilo Krummrich <dakr@redhat.com>, Sam Ravnborg <sam@ravnborg.org>,
        linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
References: <20221203102502.3185-1-cai.huoqing@linux.dev>
 <20221208124207.GA7628@chq-T47>
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On Thu, Dec 08, 2022 at 08:42:07PM +0800, Cai Huoqing wrote:
> On 03 12月 22 18:22:51, Cai Huoqing wrote:
> > Commit 399516ab0fee ("MAINTAINERS: Add a bunch of legacy (UMS) DRM drivers")
> > marked these drivers obsolete 7 years ago.
> > And the mesa UMD of these drm drivers already in deprecated list
> > in the link: https://docs.mesa3d.org/systems.html
> > 
> > 3dfx Glide-->driver/gpu/drm/tdfx
> > Matrox-->driver/gpu/drm/mga
> > Intel i810-->driver/gpu/drm/i810
> > S3 Savage-->drivers/gpu/drm/savage
> > ATI Rage 128->drivers/gpu/drm/r128
> > Silicon Integrated Systems->drivers/gpu/drm/sis
> > VIA Unichrome->drivers/gpu/drm/via
> > 
> > v1->v2:
> > 1.Add drm via driver to the patchset.
> > 2.Remove related drm_pciids.
> > 3.Remove related drm uapi header files.
> > 4.split to series avoid large patch email.
> Just ping these patch series.
> The v1 comments here,
> https://lore.kernel.org/lkml/39d8ac1a-d92f-7cdc-14cd-944342f78c1a@suse.de/

Are we really sure that all users of these are gone? Also, I'm not really
seeing the benefit of this, we've managed to split out the legacy code
quite well, so carrying around isn't hurting anything afaics?
-Daniel

> 
> Thanks,
> Cai
> > 
> > Cai Huoqing (10):
> >   drm: Remove the obsolete driver-i810
> >   drm: Remove the obsolete driver-mga
> >   drm: Remove the obsolete driver-r128
> >   drm: Remove the obsolete driver-savage
> >   drm: Remove the obsolete driver-sis
> >   drm: Remove the obsolete driver-tdfx
> >   drm: Remove the obsolete driver-via
> >   drm: Add comments to Kconfig
> >   drm: Remove some obsolete drm pciids(tdfx, mga, i810, savage, r128,
> >     sis, via)
> >   MAINTAINERS: Remove some obsolete drivers info(tdfx, mga, i810,
> >     savage, r128, sis)
> > 
> >  MAINTAINERS                           |   29 -
> >  drivers/gpu/drm/Kconfig               |   59 +-
> >  drivers/gpu/drm/Makefile              |    7 -
> >  drivers/gpu/drm/i810/Makefile         |    8 -
> >  drivers/gpu/drm/i810/i810_dma.c       | 1266 ---------
> >  drivers/gpu/drm/i810/i810_drv.c       |  101 -
> >  drivers/gpu/drm/i810/i810_drv.h       |  246 --
> >  drivers/gpu/drm/mga/Makefile          |   11 -
> >  drivers/gpu/drm/mga/mga_dma.c         | 1168 --------
> >  drivers/gpu/drm/mga/mga_drv.c         |  104 -
> >  drivers/gpu/drm/mga/mga_drv.h         |  685 -----
> >  drivers/gpu/drm/mga/mga_ioc32.c       |  197 --
> >  drivers/gpu/drm/mga/mga_irq.c         |  169 --
> >  drivers/gpu/drm/mga/mga_state.c       | 1099 --------
> >  drivers/gpu/drm/mga/mga_warp.c        |  167 --
> >  drivers/gpu/drm/r128/Makefile         |   10 -
> >  drivers/gpu/drm/r128/ati_pcigart.c    |  228 --
> >  drivers/gpu/drm/r128/ati_pcigart.h    |   31 -
> >  drivers/gpu/drm/r128/r128_cce.c       |  944 -------
> >  drivers/gpu/drm/r128/r128_drv.c       |  116 -
> >  drivers/gpu/drm/r128/r128_drv.h       |  544 ----
> >  drivers/gpu/drm/r128/r128_ioc32.c     |  199 --
> >  drivers/gpu/drm/r128/r128_irq.c       |  118 -
> >  drivers/gpu/drm/r128/r128_state.c     | 1641 -----------
> >  drivers/gpu/drm/savage/Makefile       |    9 -
> >  drivers/gpu/drm/savage/savage_bci.c   | 1082 --------
> >  drivers/gpu/drm/savage/savage_drv.c   |   91 -
> >  drivers/gpu/drm/savage/savage_drv.h   |  580 ----
> >  drivers/gpu/drm/savage/savage_state.c | 1169 --------
> >  drivers/gpu/drm/sis/Makefile          |   10 -
> >  drivers/gpu/drm/sis/sis_drv.c         |  143 -
> >  drivers/gpu/drm/sis/sis_drv.h         |   80 -
> >  drivers/gpu/drm/sis/sis_mm.c          |  363 ---
> >  drivers/gpu/drm/tdfx/Makefile         |    8 -
> >  drivers/gpu/drm/tdfx/tdfx_drv.c       |   90 -
> >  drivers/gpu/drm/tdfx/tdfx_drv.h       |   47 -
> >  drivers/gpu/drm/via/Makefile          |    8 -
> >  drivers/gpu/drm/via/via_3d_reg.h      | 1771 ------------
> >  drivers/gpu/drm/via/via_dri1.c        | 3630 -------------------------
> >  include/drm/drm_pciids.h              |  112 -
> >  include/uapi/drm/i810_drm.h           |  292 --
> >  include/uapi/drm/mga_drm.h            |  429 ---
> >  include/uapi/drm/r128_drm.h           |  336 ---
> >  include/uapi/drm/savage_drm.h         |  220 --
> >  include/uapi/drm/sis_drm.h            |   77 -
> >  include/uapi/drm/via_drm.h            |  282 --
> >  46 files changed, 1 insertion(+), 19975 deletions(-)
> >  delete mode 100644 drivers/gpu/drm/i810/Makefile
> >  delete mode 100644 drivers/gpu/drm/i810/i810_dma.c
> >  delete mode 100644 drivers/gpu/drm/i810/i810_drv.c
> >  delete mode 100644 drivers/gpu/drm/i810/i810_drv.h
> >  delete mode 100644 drivers/gpu/drm/mga/Makefile
> >  delete mode 100644 drivers/gpu/drm/mga/mga_dma.c
> >  delete mode 100644 drivers/gpu/drm/mga/mga_drv.c
> >  delete mode 100644 drivers/gpu/drm/mga/mga_drv.h
> >  delete mode 100644 drivers/gpu/drm/mga/mga_ioc32.c
> >  delete mode 100644 drivers/gpu/drm/mga/mga_irq.c
> >  delete mode 100644 drivers/gpu/drm/mga/mga_state.c
> >  delete mode 100644 drivers/gpu/drm/mga/mga_warp.c
> >  delete mode 100644 drivers/gpu/drm/r128/Makefile
> >  delete mode 100644 drivers/gpu/drm/r128/ati_pcigart.c
> >  delete mode 100644 drivers/gpu/drm/r128/ati_pcigart.h
> >  delete mode 100644 drivers/gpu/drm/r128/r128_cce.c
> >  delete mode 100644 drivers/gpu/drm/r128/r128_drv.c
> >  delete mode 100644 drivers/gpu/drm/r128/r128_drv.h
> >  delete mode 100644 drivers/gpu/drm/r128/r128_ioc32.c
> >  delete mode 100644 drivers/gpu/drm/r128/r128_irq.c
> >  delete mode 100644 drivers/gpu/drm/r128/r128_state.c
> >  delete mode 100644 drivers/gpu/drm/savage/Makefile
> >  delete mode 100644 drivers/gpu/drm/savage/savage_bci.c
> >  delete mode 100644 drivers/gpu/drm/savage/savage_drv.c
> >  delete mode 100644 drivers/gpu/drm/savage/savage_drv.h
> >  delete mode 100644 drivers/gpu/drm/savage/savage_state.c
> >  delete mode 100644 drivers/gpu/drm/sis/Makefile
> >  delete mode 100644 drivers/gpu/drm/sis/sis_drv.c
> >  delete mode 100644 drivers/gpu/drm/sis/sis_drv.h
> >  delete mode 100644 drivers/gpu/drm/sis/sis_mm.c
> >  delete mode 100644 drivers/gpu/drm/tdfx/Makefile
> >  delete mode 100644 drivers/gpu/drm/tdfx/tdfx_drv.c
> >  delete mode 100644 drivers/gpu/drm/tdfx/tdfx_drv.h
> >  delete mode 100644 drivers/gpu/drm/via/Makefile
> >  delete mode 100644 drivers/gpu/drm/via/via_3d_reg.h
> >  delete mode 100644 drivers/gpu/drm/via/via_dri1.c
> >  delete mode 100644 include/uapi/drm/i810_drm.h
> >  delete mode 100644 include/uapi/drm/mga_drm.h
> >  delete mode 100644 include/uapi/drm/r128_drm.h
> >  delete mode 100644 include/uapi/drm/savage_drm.h
> >  delete mode 100644 include/uapi/drm/sis_drm.h
> >  delete mode 100644 include/uapi/drm/via_drm.h
> > 
> > -- 
> > 2.25.1
> > 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch