[git pull] drm/vmwgfx fixes for 5.12-rc8

[Daniel Vetter]

On Sun, Apr 18, 2021 at 1:03 AM Dave Airlie <airlied at gmail.com> wrote:
>
> Hi Zack,
>
> Please make sure to always cc dri-devel and/or Daniel on these so if
> I'm away they don't get lost, but also so that they make it into
> patchwork for processing.
>
> If you have a chance can you resend it, I'll see if we can process
> this out of band and get it to Linus before release.

Or use drm-misc-fixes train, usually it leaves on schedul :-)
-Daniel

>
> Dave.
>
> On Thu, 15 Apr 2021 at 07:14, Zack Rusin <zackr at vmware.com> wrote:
> >
> > The following changes since commit d434405aaab7d0ebc516b68a8fc4100922d7f5ef:
> >
> >    Linux 5.12-rc7 (2021-04-11 15:16:13 -0700)
> >
> > are available in the Git repository at:
> >
> >    git at gitlab.freedesktop.org:zack/vmwgfx.git tags/vmwgfx-fixes-2021-04-14
> >
> > for you to fetch changes up to 2ef4fb92363c44e8a6f93fd0877b6a7dee6f874d:
> >
> >    drm/vmwgfx: Make sure bo's are unpinned before putting them back (2021-04-14 16:41:31 -0400)
> >
> > ----------------------------------------------------------------
> > vmwgfx fixes for regressions in 5.12
> >
> > Here's a set of 3 patches fixing ugly regressions
> > in the vmwgfx driver. We broke lock initialization
> > code and ended up using spinlocks before initialization
> > breaking lockdep.
> > Also there was a bit of a fallout from drm changes
> > which made the core validate that unreferenced buffers
> > have been unpinned. vmwgfx pinning code predates a lot
> > of the core drm and wasn't written to account for those
> > semantics. Fortunately changes required to fix it
> > are not too intrusive.
> > The changes have been validated by our internal ci.
> >
> > Signed-off-by: Zack Rusin <zackr at vmware.com>
> >
> > ----------------------------------------------------------------
> > Zack Rusin (3):
> >        drm/vmwgfx: Make sure we unpin no longer needed buffers
> >        drm/vmwgfx: Fix the lockdep breakage
> >        drm/vmwgfx: Make sure bo's are unpinned before putting them back
> >
> >   drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c |  4 ++++
> >   drivers/gpu/drm/vmwgfx/vmwgfx_drv.c     | 17 ++++++++---------
> >   drivers/gpu/drm/vmwgfx/vmwgfx_drv.h     |  5 +----
> >   drivers/gpu/drm/vmwgfx/vmwgfx_mob.c     | 14 ++++++++++++++
> >   4 files changed, 27 insertions(+), 13 deletions(-)



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