[PATCH 0/3] Various clean-up patches for GEM VRAM

Daniel Vetter daniel at ffwll.ch
Tue May 21 14:29:33 UTC 2019


On Tue, May 21, 2019 at 4:26 PM Thomas Zimmermann <tzimmermann at suse.de> wrote:
>
> Hi
>
> Am 21.05.19 um 14:40 schrieb Daniel Vetter:
> > On Tue, May 21, 2019 at 01:08:28PM +0200, Thomas Zimmermann wrote:
> >> Replacing drm_gem_vram_push_to_system() moves policy from drivers back
> >> to the memory manager. Now, unused BOs are only evicted when the space
> >> is required.
> >>
> >> The lock/unlock-renaming patch aligns the interface with other names
> >> in DRM. No functional changes are done.
> >>
> >> Finally, there's now a lockdep assert that ensures we don't call the
> >> GEM VRAM _locked() functions with an unlocked BO.
> >>
> >> Patches are against a recent drm-tip and tested on mgag200 and ast HW.
> >>
> >> Thomas Zimmermann (3):
> >>   drm: Replace drm_gem_vram_push_to_system() with kunmap + unpin
> >>   drm: Rename reserve/unreserve to lock/unlock in GEM VRAM helpers
> >>   drm: Assert that BO is locked in drm_gem_vram_{pin,unpin}_locked()
> >
> > Awesome, thanks a lot for quickly working on this. On the series:
> >
> > Acked-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> >
> > But definitely get someone with more knowledge of the details to check
> > this all again.
> >
> > Aside: Do you plan to continue working on drm drivers,
>
> Yes, that's my job at SUSE.
>
> > i.e. any need for
> > drm-misc commit rights?
>
> Sure. Thank you for your trust. From what I could found online, I guess
> [1] and [2] applies?
>
> Best regards
> Thomas
>
> [1]
> https://drm.pages.freedesktop.org/maintainer-tools/committer-drm-misc.html
> [2] https://drm.pages.freedesktop.org/maintainer-tools/commit-access.html

The getting started page is pretty useful too:

https://drm.pages.freedesktop.org/maintainer-tools/getting-started.html

Wrt account you need a legacy ssh account from here:

https://www.freedesktop.org/wiki/AccountRequests/

Just highlighting that, it's all in the docs too, but at least myself
I glossed over the right link a few times :-)

Cheers, Daniel

>
> > Cheers, Daniel
> >
> >>
> >>  drivers/gpu/drm/ast/ast_fb.c             | 11 ++-
> >>  drivers/gpu/drm/ast/ast_mode.c           | 26 ++++---
> >>  drivers/gpu/drm/drm_gem_vram_helper.c    | 86 ++++++------------------
> >>  drivers/gpu/drm/drm_vram_helper_common.c |  2 -
> >>  drivers/gpu/drm/mgag200/mgag200_cursor.c | 40 +++++------
> >>  drivers/gpu/drm/mgag200/mgag200_fb.c     | 11 ++-
> >>  drivers/gpu/drm/mgag200/mgag200_mode.c   | 15 +++--
> >>  include/drm/drm_gem_vram_helper.h        |  9 ++-
> >>  8 files changed, 80 insertions(+), 120 deletions(-)
> >>
> >> --
> >> 2.21.0
> >>
> >
>
> --
> Thomas Zimmermann
> Graphics Driver Developer
> SUSE Linux GmbH, Maxfeldstrasse 5, 90409 Nuernberg, Germany
> GF: Felix Imendörffer, Mary Higgins, Sri Rasiah
> HRB 21284 (AG Nürnberg)
>


-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch


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