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drm/etnaviv: Use dma_resv locking wrappers

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I'll add more fancy logic to them soon, so everyone really has to use
them. Plus they already provide some nice additional debug
infrastructure on top of direct ww_mutex usage for the fences tracked
by dma_resv.

v2: Fix the lost _interruptible (Michael)

Acked-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Russell King <linux+etnaviv@armlinux.org.uk>
Cc: Christian Gmeiner <christian.gmeiner@gmail.com>
Cc: etnaviv@lists.freedesktop.org
Cc: "Ruhl, Michael J" <michael.j.ruhl@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191214000927.1616384-1-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2019-12-14 01:09:27 +01:00
parent 616b549b15
commit caa2a77810
1 changed files with 3 additions and 5 deletions
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8
drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
View file

@ -113,7 +113,7 @@ static void submit_unlock_object(struct etnaviv_gem_submit *submit, int i)
if (submit->bos[i].flags & BO_LOCKED) {
struct drm_gem_object *obj = &submit->bos[i].obj->base;
ww_mutex_unlock(&obj->resv->lock);
dma_resv_unlock(obj->resv);
submit->bos[i].flags &= ~BO_LOCKED;
}
}
@ -133,8 +133,7 @@ retry:
contended = i;
if (!(submit->bos[i].flags & BO_LOCKED)) {
ret = ww_mutex_lock_interruptible(&obj->resv->lock,
ticket);
ret = dma_resv_lock_interruptible(obj->resv, ticket);
if (ret == -EALREADY)
DRM_ERROR("BO at index %u already on submit list\n",
i);
@ -161,8 +160,7 @@ fail:
obj = &submit->bos[contended].obj->base;
/* we lost out in a seqno race, lock and retry.. */
ret = ww_mutex_lock_slow_interruptible(&obj->resv->lock,
ticket);
ret = dma_resv_lock_slow_interruptible(obj->resv, ticket);
if (!ret) {
submit->bos[contended].flags |= BO_LOCKED;
slow_locked = contended;