[PATCH 0/3] Provide ttm_bo_{get,put} for TMM BO ref-counting
Christian König
ckoenig.leichtzumerken at gmail.com
Thu Jun 21 14:53:13 UTC 2018
Am 21.06.2018 um 15:21 schrieb Thomas Zimmermann:
> TTM buffer objects provide ttm_bo_reference() and ttm_bo_unref() for
> managing reference counters. This patch set introduces ttm_bo_get()
> and ttm_ot_put(), which follow Linux kernel conventions.
>
> A call to ttm_bo_unref() clears the supplied pointer to NULL. This is
> unnecessary in most cases and occationally callers have to work around
> this behaviour. ttm_bo_put() only releases the reference, but keeps
> the pointer's value.
>
> This patch set introduces ttm_bo_get() and ttm_bo_put(), and converts
> TTM to the new functions. The old functions remain in place until all
> callers have been converted.
Thanks, series is Reviewed-by: Christian König
<christian.koenig at amd.com> and I'm going to pick it up for our internal
TTM branch.
It is appreciated that you do this only one driver/component at a time
and not in a massive change.
Are you planning to stick with applying that to the individual drivers
using it?
Thanks,
Christian.
>
> Thomas Zimmermann (3):
> drm/ttm: Introduce ttm_bo_get() and ttm_bo_put() for ref counting
> drm/ttm: Replace ttm_bo_reference() with ttm_bo_get()
> drm/ttm: Replace ttm_bo_unref() with ttm_bo_put()
>
> drivers/gpu/drm/ttm/ttm_bo.c | 10 ++++++++--
> drivers/gpu/drm/ttm/ttm_bo_util.c | 11 ++++++-----
> drivers/gpu/drm/ttm/ttm_bo_vm.c | 18 ++++++++++--------
> include/drm/ttm/ttm_bo_api.h | 25 ++++++++++++++++++++++++-
> 4 files changed, 48 insertions(+), 16 deletions(-)
>
> --
> 2.14.4
>
> _______________________________________________
> dri-devel mailing list
> dri-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
More information about the dri-devel
mailing list