From: Daniel Vetter <daniel@ffwll.ch>
To: Peter Rosin <peda@axentia.se>
Cc: linux-kernel@vger.kernel.org, "David Airlie" <airlied@linux.ie>,
nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
virtualization@lists.linux-foundation.org,
"Gerd Hoffmann" <kraxel@redhat.com>,
"Benjamin Gaignard" <benjamin.gaignard@linaro.org>,
"Daniel Vetter" <daniel.vetter@intel.com>,
"Boris Brezillon" <boris.brezillon@free-electrons.com>,
"Thomas Hellstrom" <thellstrom@vmware.com>,
"Sinclair Yeh" <syeh@vmware.com>,
"Russell King" <linux@armlinux.org.uk>,
"VMware Graphics" <linux-graphics-maintainer@vmware.com>,
"Ben Skeggs" <bskeggs@redhat.com>,
"Dave Airlie" <airlied@redhat.com>,
intel-gfx@lists.freedesktop.org,
"Vincent Abriou" <vincent.abriou@st.com>,
amd-gfx@lists.freedesktop.org,
"Philippe Cornu" <philippe.cornu@st.com>,
"Yannick Fertre" <yannick.fertre@st.com>,
"Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>
Subject: Re: [Intel-gfx] [PATCH v3 00/16] improve the fb_setcmap helper
Date: Wed, 5 Jul 2017 22:19:58 +0200 [thread overview]
Message-ID: <20170705201958.unu7gwx6guetqiep@phenom.ffwll.local> (raw)
In-Reply-To: <3810fb8e-76d6-0810-26aa-1aae6bac2f9a@axentia.se>
On Wed, Jul 05, 2017 at 10:09:21AM +0200, Peter Rosin wrote:
> On 2017-07-05 08:08, Daniel Vetter wrote:
> > On Tue, Jul 04, 2017 at 12:36:56PM +0200, Peter Rosin wrote:
> >> Hi!
> >>
> >> While trying to get CLUT support for the atmel_hlcdc driver, and
> >> specifically for the emulated fbdev interface, I received some
> >> push-back that my feeble in-driver attempts should be solved
> >> by the core. This is my attempt to do it right.
> >>
> >> I have obviously not tested all of this with more than a compile,
> >> but patches 1 through 5 are enough to make the atmel-hlcdc driver
> >> do what I need. The rest is just lots of removals and cleanup made
> >> possible by the improved core.
> >>
> >> Please test, I would not be surprised if I have fouled up some
> >> bit-manipulation somewhere, or if I have misunderstood something
> >> about atomics...
> >>
> >> Changes since v2:
> >> - Added patch 1/16 which factors out pseudo-palette handling.
> >> - Removed the if (cmap->start + cmap->len < cmap->start)
> >> sanity check on the assumption that the fbdev core handles it.
> >> - Added patch 4/16 which factors out atomic state and commit
> >> handling from drm_atomic_helper_legacy_gamma_set to
> >> drm_mode_gamma_set_ioctl.
> >> - Do one atomic commit for all affected crtc.
> >> - Removed a now obsolete note in include/drm/drm_crtc.h (ammended
> >> the last patch).
> >> - Cc list is getting long, so I have redused the list for the
> >> individual patches. If you would like to get the full series
> >> (or nothing at all) for the next round (if that is needed) just
> >> say so.
> >
> > Is this still on top of my locking rework? I tried to apply patches 1-3,
> > but there's minor conflicts ...
> > -Daniel
>
> v3 has the same base as v2. I collected your locking rework sometime
> after june 21, you have perhaps changed things since? I saw an update
> of that dpms patch you Cc me, but figured there were no significant
> changes that I needed to handle since I didn't get the full set
> this time either. A bad assumption it seems...
There's a difference between my own private patches, and the maintainer
repo where stuff gets applied. But that explains why there was a conflict.
I plan to merge my locking changes tomorrow (they're reviewed and ready
now), I'll apply your patches after that. That should take care of the
conflicts.
Thanks, Daniel
>
> Anyway, the base I have for v3 (and v2) is linux next-20170621 plus
> the following locking rework commits (in reverse order):
>
> Author: Thierry Reding <treding@nvidia.com>
> Date: Wed Jun 21 20:28:15 2017 +0200
> Subject: drm/hisilicon: Remove custom FB helper deferred setup
>
> Author: Thierry Reding <treding@nvidia.com>
> Date: Wed Jun 21 20:28:14 2017 +0200
> Subject: drm/exynos: Remove custom FB helper deferred setup
>
> Author: Thierry Reding <treding@nvidia.com>
> Date: Wed Jun 21 20:28:13 2017 +0200
> Subject: drm/fb-helper: Support deferred setup
>
> Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> Date: Wed Jun 21 20:28:12 2017 +0200
> Subject: drm/fb-helper: Split dpms handling into legacy and atomic paths
>
> Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> Date: Wed Jun 21 20:28:11 2017 +0200
> Subject: drm/fb-helper: Stop using mode_config.mutex for internals
>
> Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> Date: Wed Jun 21 20:28:10 2017 +0200
> Subject: drm/fb-helper: Push locking into restore_fbdev_mode_atomic|legacy
>
> Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> Date: Wed Jun 21 20:28:09 2017 +0200
> Subject: drm/fb-helper: Push locking into pan_display_atomic|legacy
>
> Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> Date: Wed Jun 21 20:28:08 2017 +0200
> Subject: drm/fb-helper: Drop locking from the vsync wait ioctl code
>
> Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> Date: Wed Jun 21 20:28:07 2017 +0200
> Subject: drm/fb-helper: Push locking in fb_is_bound
>
> Author: Thierry Reding <treding@nvidia.com>
> Date: Wed Jun 21 20:28:06 2017 +0200
> Subject: drm/fb-helper: Add top-level lock
>
> Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> Date: Wed Jun 21 20:28:05 2017 +0200
> Subject: drm/i915: Drop FBDEV #ifdev in mst code
>
> Author: Thierry Reding <treding@nvidia.com>
> Date: Wed Jun 21 20:28:04 2017 +0200
> Subject: drm/fb-helper: Push down modeset lock into FB helpers
>
> Cheers,
> peda
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
prev parent reply other threads:[~2017-07-05 20:20 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-04 10:36 [PATCH v3 00/16] improve the fb_setcmap helper Peter Rosin
2017-07-04 10:36 ` [PATCH v3 01/16] drm/fb-helper: factor out pseudo-palette Peter Rosin
2017-07-04 10:40 ` Peter Rosin
2017-07-05 6:03 ` Daniel Vetter
2017-07-04 10:36 ` [PATCH v3 02/16] drm/fb-helper: keep the .gamma_store updated in drm_fb_helper_setcmap Peter Rosin
2017-07-04 10:36 ` [PATCH v3 03/16] drm/fb-helper: remove drm_fb_helper_save_lut_atomic Peter Rosin
2017-07-06 8:37 ` Daniel Vetter
2017-07-04 10:37 ` [PATCH v3 04/16] drm/color-mgmt: move atomic state/commit out from .gamma_set Peter Rosin
2017-07-04 10:37 ` [PATCH v3 05/16] drm/fb-helper: do a generic fb_setcmap helper in terms of crtc .gamma_set Peter Rosin
2017-07-05 6:21 ` Daniel Vetter
2017-07-05 17:50 ` Peter Rosin
2017-07-06 5:55 ` Daniel Vetter
2017-07-06 6:18 ` Peter Rosin
2017-07-06 8:34 ` Daniel Vetter
2017-07-04 10:37 ` [PATCH v3 06/16] drm: amd: remove dead code and pointless local lut storage Peter Rosin
2017-07-04 10:37 ` [PATCH v3 07/16] drm: armada: remove dead empty functions Peter Rosin
2017-07-04 10:37 ` [PATCH v3 08/16] drm: ast: remove dead code and pointless local lut storage Peter Rosin
2017-07-04 10:37 ` [PATCH v3 09/16] drm: cirrus: " Peter Rosin
2017-07-04 10:37 ` [PATCH v3 10/16] drm: gma500: " Peter Rosin
2017-07-04 10:37 ` [PATCH v3 11/16] drm: i915: " Peter Rosin
2017-07-04 10:37 ` [PATCH v3 12/16] drm: mgag200: " Peter Rosin
2017-07-04 10:37 ` [PATCH v3 13/16] drm: nouveau: " Peter Rosin
2017-07-04 10:37 ` [PATCH v3 14/16] drm: radeon: " Peter Rosin
2017-07-04 10:37 ` [PATCH v3 15/16] drm: stm: " Peter Rosin
2017-07-04 10:37 ` [PATCH v3 16/16] drm: remove unused and redundant callbacks Peter Rosin
2017-07-05 6:08 ` [Intel-gfx] [PATCH v3 00/16] improve the fb_setcmap helper Daniel Vetter
2017-07-05 8:09 ` Peter Rosin
2017-07-05 20:19 ` Daniel Vetter [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170705201958.unu7gwx6guetqiep@phenom.ffwll.local \
--to=daniel@ffwll.ch \
--cc=airlied@linux.ie \
--cc=airlied@redhat.com \
--cc=alexander.deucher@amd.com \
--cc=amd-gfx@lists.freedesktop.org \
--cc=benjamin.gaignard@linaro.org \
--cc=boris.brezillon@free-electrons.com \
--cc=bskeggs@redhat.com \
--cc=christian.koenig@amd.com \
--cc=daniel.vetter@intel.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=intel-gfx@lists.freedesktop.org \
--cc=kraxel@redhat.com \
--cc=linux-graphics-maintainer@vmware.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=nouveau@lists.freedesktop.org \
--cc=peda@axentia.se \
--cc=philippe.cornu@st.com \
--cc=syeh@vmware.com \
--cc=thellstrom@vmware.com \
--cc=vincent.abriou@st.com \
--cc=virtualization@lists.linux-foundation.org \
--cc=yannick.fertre@st.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).