From: Daniel Vetter <daniel@ffwll.ch>
To: Emil Velikov <emil.l.velikov@gmail.com>
Cc: David Airlie <airlied@linux.ie>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
Sean Paul <seanpaul@chromium.org>,
DRI Development <dri-devel@lists.freedesktop.org>
Subject: Re: [PATCH 09/14] drm: Update todo.rst
Date: Tue, 4 Sep 2018 14:19:51 +0200 [thread overview]
Message-ID: <20180904121951.GN21634@phenom.ffwll.local> (raw)
In-Reply-To: <CACvgo52v3H2osCp2my1LTum1PZ20JQrwXbSqc=hUGukOB7JoLA@mail.gmail.com>
On Mon, Sep 03, 2018 at 06:38:44PM +0100, Emil Velikov wrote:
> On 3 September 2018 at 17:54, Daniel Vetter <daniel.vetter@ffwll.ch> wrote:
>
> > -Hide legacy cruft better
> > -------------------------
> > -
> > -Way back DRM supported only drivers which shadow-attached to PCI devices with
> > -userspace or fbdev drivers setting up outputs. Modern DRM drivers take charge
> > -of the entire device, you can spot them with the DRIVER_MODESET flag.
> > -
> > -Unfortunately there's still large piles of legacy code around which needs to
> > -be hidden so that driver writers don't accidentally end up using it. And to
> > -prevent security issues in those legacy IOCTLs from being exploited on modern
> > -drivers. This has multiple possible subtasks:
> > -
>
> > -* Extract support code for legacy features into a ``drm-legacy.ko`` kernel
> > - module and compile it only when one of the legacy drivers is enabled.
> > -
> This isn't done,
Yup, but I kinda figured I'll give up on this idea. The code is hidden
well enough, I don't think a drm-legacy.ko will buy us much. Except lots
of churn on older driver's Kconfig entries for no purpose.
There's been a patch already a while back to hide the legacy drivers
better, and Dave nacked it. So I'm not really for pushing this idea
anymore as a good task for newbies (which todo.rst tries to collect).
Want me to explain this a bit better in the commit message?
-Daniel
>
> > -This is mostly done, the only thing left is to split up ``drm_irq.c`` into
> > -legacy cruft and the parts needed by modern KMS drivers.
> > -
> ... while this one is.
>
> HTH
> -Emil
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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next prev parent reply other threads:[~2018-09-04 12:19 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-03 16:54 [PATCH 01/14] drm: Add drm/kernel.h header file Daniel Vetter
2018-09-03 16:54 ` [PATCH 02/14] drm: Drop drmP.h from drm_connector.c Daniel Vetter
2018-09-03 16:54 ` [PATCH 03/14] drm: drop drmP.h include from drm_plane.c Daniel Vetter
2018-09-03 16:54 ` [PATCH 04/14] drm: drop drmP.h include from drm_crtc.c Daniel Vetter
2018-09-03 16:54 ` [PATCH 05/14] drm/atomic: trim driver interface/docs Daniel Vetter
[not found] ` <20180903165439.24845-1-daniel.vetter-/w4YWyX8dFk@public.gmane.org>
2018-09-03 16:54 ` [PATCH 06/14] drm: extract drm_atomic_uapi.c Daniel Vetter
2018-09-04 20:41 ` Rodrigo Vivi
2018-09-05 7:55 ` Daniel Vetter
[not found] ` <20180903165439.24845-6-daniel.vetter-/w4YWyX8dFk@public.gmane.org>
2018-09-05 8:00 ` [PATCH] " Daniel Vetter
2018-09-03 16:54 ` [PATCH 07/14] drm/atomic-helper: Unexport drm_atomic_helper_best_encoder Daniel Vetter
2018-09-03 16:54 ` [PATCH 08/14] drm/amdgpu: Remove default best_encoder hook from DC Daniel Vetter
2018-09-05 13:45 ` Leo Li
2018-09-05 13:48 ` Daniel Vetter
2018-09-06 16:33 ` Deucher, Alexander
2018-09-06 22:12 ` Daniel Vetter
2018-09-03 16:54 ` [PATCH 09/14] drm: Update todo.rst Daniel Vetter
2018-09-03 17:24 ` Sam Ravnborg
2018-09-03 17:38 ` [Intel-gfx] " Emil Velikov
2018-09-04 12:19 ` Daniel Vetter [this message]
2018-09-04 20:52 ` Emil Velikov
2018-09-05 8:04 ` [PATCH] " Daniel Vetter
2018-09-03 16:54 ` [PATCH 10/14] drm: Extract drm_atomic_state_helper.[hc] Daniel Vetter
2018-09-03 16:54 ` [PATCH 11/14] drm/vmwgfx: Remove confused comment from vmw_du_connector_atomic_set_property Daniel Vetter
2018-09-03 16:54 ` [PATCH 12/14] drm/vmwgfx: Don't look at state->allow_modeset Daniel Vetter
2018-09-03 16:54 ` [PATCH 13/14] drm/atomic: Improve docs for drm_atomic_state->allow_modeset Daniel Vetter
2018-09-03 16:54 ` [PATCH 14/14] drm/vmwgfx: Add FIXME comments for customer page_flip handlers Daniel Vetter
2018-09-04 13:45 ` Thomas Hellstrom
2018-09-04 14:19 ` Daniel Vetter
2018-09-03 17:47 ` ✗ Fi.CI.CHECKPATCH: warning for series starting with [01/14] drm: Add drm/kernel.h header file Patchwork
2018-09-03 17:53 ` ✗ Fi.CI.SPARSE: " Patchwork
2018-09-03 18:05 ` ✗ Fi.CI.BAT: failure " Patchwork
2018-09-05 8:09 ` ✗ Fi.CI.CHECKPATCH: warning for series starting with [01/14] drm: Add drm/kernel.h header file (rev3) Patchwork
2018-09-05 8:15 ` ✗ Fi.CI.SPARSE: " Patchwork
2018-09-05 8:26 ` ✗ Fi.CI.BAT: failure " Patchwork
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