From: Daniel Vetter Date: Sat, 14 Dec 2019 00:09:27 +0000 (+0100) Subject: drm/etnaviv: Use dma_resv locking wrappers X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=caa2a778109cf585d220bd9e78d2c49fbc20b15c;p=uclinux-h8%2Flinux.git drm/etnaviv: Use dma_resv locking wrappers 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 Reviewed-by: Lucas Stach Signed-off-by: Daniel Vetter Cc: Lucas Stach Cc: Russell King Cc: Christian Gmeiner Cc: etnaviv@lists.freedesktop.org Cc: "Ruhl, Michael J" Link: https://patchwork.freedesktop.org/patch/msgid/20191214000927.1616384-1-daniel.vetter@ffwll.ch --- diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index aa3e4c3b063a..3b0afa156d92 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -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;