From a641936065d738837c24180135f139ef12d0122d Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Thu, 3 Dec 2020 10:42:43 +1000 Subject: [PATCH] drm/nouveau/fifo: private mutex nvkm_subdev.mutex is going away. Signed-off-by: Ben Skeggs Reviewed-by: Lyude Paul --- drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h | 1 + drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c | 2 ++ drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c | 8 ++++---- drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c | 4 ++-- drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c | 14 +++++++------- drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c | 13 ++++++------- drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c | 4 ++-- drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c | 4 ++-- drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c | 4 ++-- drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c | 4 ++-- 10 files changed, 30 insertions(+), 28 deletions(-) diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h index b335f3a..40af8bf 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h @@ -40,6 +40,7 @@ struct nvkm_fifo { int nr; struct list_head chan; spinlock_t lock; + struct mutex mutex; struct nvkm_event uevent; /* async user trigger */ struct nvkm_event cevent; /* channel creation event */ diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c index c773caf..d473c63 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c @@ -334,6 +334,7 @@ nvkm_fifo_dtor(struct nvkm_engine *engine) nvkm_event_fini(&fifo->kevent); nvkm_event_fini(&fifo->cevent); nvkm_event_fini(&fifo->uevent); + mutex_destroy(&fifo->mutex); return data; } @@ -358,6 +359,7 @@ nvkm_fifo_ctor(const struct nvkm_fifo_func *func, struct nvkm_device *device, fifo->func = func; INIT_LIST_HEAD(&fifo->chan); spin_lock_init(&fifo->lock); + mutex_init(&fifo->mutex); if (WARN_ON(fifo->nr > NVKM_FIFO_CHID_NR)) fifo->nr = NVKM_FIFO_CHID_NR; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c index c213122..99c0d6a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c @@ -38,9 +38,9 @@ nv04_fifo_dma_object_dtor(struct nvkm_fifo_chan *base, int cookie) struct nv04_fifo_chan *chan = nv04_fifo_chan(base); struct nvkm_instmem *imem = chan->fifo->base.engine.subdev.device->imem; - mutex_lock(&chan->fifo->base.engine.subdev.mutex); + mutex_lock(&chan->fifo->base.mutex); nvkm_ramht_remove(imem->ramht, cookie); - mutex_unlock(&chan->fifo->base.engine.subdev.mutex); + mutex_unlock(&chan->fifo->base.mutex); } static int @@ -63,10 +63,10 @@ nv04_fifo_dma_object_ctor(struct nvkm_fifo_chan *base, return -EINVAL; } - mutex_lock(&chan->fifo->base.engine.subdev.mutex); + mutex_lock(&chan->fifo->base.mutex); hash = nvkm_ramht_insert(imem->ramht, object, chan->base.chid, 4, handle, context); - mutex_unlock(&chan->fifo->base.engine.subdev.mutex); + mutex_unlock(&chan->fifo->base.mutex); return hash; } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c index 5f722c6..6721e44 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c @@ -159,10 +159,10 @@ nv40_fifo_dma_object_ctor(struct nvkm_fifo_chan *base, return -EINVAL; } - mutex_lock(&chan->fifo->base.engine.subdev.mutex); + mutex_lock(&chan->fifo->base.mutex); hash = nvkm_ramht_insert(imem->ramht, object, chan->base.chid, 4, handle, context); - mutex_unlock(&chan->fifo->base.engine.subdev.mutex); + mutex_unlock(&chan->fifo->base.mutex); return hash; } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c index 5a39e51d..af21bc7 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c @@ -57,7 +57,7 @@ gf100_fifo_runlist_commit(struct gf100_fifo *fifo) int nr = 0; int target; - mutex_lock(&subdev->mutex); + mutex_lock(&fifo->base.mutex); cur = fifo->runlist.mem[fifo->runlist.active]; fifo->runlist.active = !fifo->runlist.active; @@ -73,7 +73,7 @@ gf100_fifo_runlist_commit(struct gf100_fifo *fifo) case NVKM_MEM_TARGET_VRAM: target = 0; break; case NVKM_MEM_TARGET_NCOH: target = 3; break; default: - mutex_unlock(&subdev->mutex); + mutex_unlock(&fifo->base.mutex); WARN_ON(1); return; } @@ -86,23 +86,23 @@ gf100_fifo_runlist_commit(struct gf100_fifo *fifo) !(nvkm_rd32(device, 0x00227c) & 0x00100000), msecs_to_jiffies(2000)) == 0) nvkm_error(subdev, "runlist update timeout\n"); - mutex_unlock(&subdev->mutex); + mutex_unlock(&fifo->base.mutex); } void gf100_fifo_runlist_remove(struct gf100_fifo *fifo, struct gf100_fifo_chan *chan) { - mutex_lock(&fifo->base.engine.subdev.mutex); + mutex_lock(&fifo->base.mutex); list_del_init(&chan->head); - mutex_unlock(&fifo->base.engine.subdev.mutex); + mutex_unlock(&fifo->base.mutex); } void gf100_fifo_runlist_insert(struct gf100_fifo *fifo, struct gf100_fifo_chan *chan) { - mutex_lock(&fifo->base.engine.subdev.mutex); + mutex_lock(&fifo->base.mutex); list_add_tail(&chan->head, &fifo->chan); - mutex_unlock(&fifo->base.engine.subdev.mutex); + mutex_unlock(&fifo->base.mutex); } static inline int diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c index c73b7ea..5d40aab 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c @@ -168,12 +168,11 @@ gk104_fifo_runlist_update(struct gk104_fifo *fifo, int runl) { const struct gk104_fifo_runlist_func *func = fifo->func->runlist; struct gk104_fifo_chan *chan; - struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_memory *mem; struct nvkm_fifo_cgrp *cgrp; int nr = 0; - mutex_lock(&subdev->mutex); + mutex_lock(&fifo->base.mutex); mem = fifo->runlist[runl].mem[fifo->runlist[runl].next]; fifo->runlist[runl].next = !fifo->runlist[runl].next; @@ -191,27 +190,27 @@ gk104_fifo_runlist_update(struct gk104_fifo *fifo, int runl) nvkm_done(mem); func->commit(fifo, runl, mem, nr); - mutex_unlock(&subdev->mutex); + mutex_unlock(&fifo->base.mutex); } void gk104_fifo_runlist_remove(struct gk104_fifo *fifo, struct gk104_fifo_chan *chan) { struct nvkm_fifo_cgrp *cgrp = chan->cgrp; - mutex_lock(&fifo->base.engine.subdev.mutex); + mutex_lock(&fifo->base.mutex); if (!list_empty(&chan->head)) { list_del_init(&chan->head); if (cgrp && !--cgrp->chan_nr) list_del_init(&cgrp->head); } - mutex_unlock(&fifo->base.engine.subdev.mutex); + mutex_unlock(&fifo->base.mutex); } void gk104_fifo_runlist_insert(struct gk104_fifo *fifo, struct gk104_fifo_chan *chan) { struct nvkm_fifo_cgrp *cgrp = chan->cgrp; - mutex_lock(&fifo->base.engine.subdev.mutex); + mutex_lock(&fifo->base.mutex); if (cgrp) { if (!cgrp->chan_nr++) list_add_tail(&cgrp->head, &fifo->runlist[chan->runl].cgrp); @@ -219,7 +218,7 @@ gk104_fifo_runlist_insert(struct gk104_fifo *fifo, struct gk104_fifo_chan *chan) } else { list_add_tail(&chan->head, &fifo->runlist[chan->runl].chan); } - mutex_unlock(&fifo->base.engine.subdev.mutex); + mutex_unlock(&fifo->base.mutex); } void diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c index 75f9632..e7b3b11 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c @@ -77,7 +77,7 @@ gf100_fifo_gpfifo_engine_fini(struct nvkm_fifo_chan *base, struct nvkm_gpuobj *inst = chan->base.inst; int ret = 0; - mutex_lock(&subdev->mutex); + mutex_lock(&chan->fifo->base.mutex); nvkm_wr32(device, 0x002634, chan->base.chid); if (nvkm_msec(device, 2000, if (nvkm_rd32(device, 0x002634) == chan->base.chid) @@ -87,7 +87,7 @@ gf100_fifo_gpfifo_engine_fini(struct nvkm_fifo_chan *base, chan->base.chid, chan->base.object.client->name); ret = -ETIMEDOUT; } - mutex_unlock(&subdev->mutex); + mutex_unlock(&chan->fifo->base.mutex); if (ret && suspend) return ret; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c index 728a1ed..0cd9a7d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c @@ -65,9 +65,9 @@ int gk104_fifo_gpfifo_kick(struct gk104_fifo_chan *chan) { int ret; - mutex_lock(&chan->base.fifo->engine.subdev.mutex); + mutex_lock(&chan->base.fifo->mutex); ret = gk104_fifo_gpfifo_kick_locked(chan); - mutex_unlock(&chan->base.fifo->engine.subdev.mutex); + mutex_unlock(&chan->base.fifo->mutex); return ret; } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c index a7462cf..bca4c10 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c @@ -44,7 +44,7 @@ gv100_fifo_gpfifo_engine_valid(struct gk104_fifo_chan *chan, bool ce, bool valid int ret; /* Block runlist to prevent the channel from being rescheduled. */ - mutex_lock(&subdev->mutex); + mutex_lock(&chan->fifo->base.mutex); nvkm_mask(device, 0x002630, BIT(chan->runl), BIT(chan->runl)); /* Preempt the channel. */ @@ -58,7 +58,7 @@ gv100_fifo_gpfifo_engine_valid(struct gk104_fifo_chan *chan, bool ce, bool valid /* Resume runlist. */ nvkm_mask(device, 0x002630, BIT(chan->runl), 0); - mutex_unlock(&subdev->mutex); + mutex_unlock(&chan->fifo->base.mutex); return ret; } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c index fa6e094..c42a181 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c @@ -51,9 +51,9 @@ nv50_fifo_runlist_update_locked(struct nv50_fifo *fifo) void nv50_fifo_runlist_update(struct nv50_fifo *fifo) { - mutex_lock(&fifo->base.engine.subdev.mutex); + mutex_lock(&fifo->base.mutex); nv50_fifo_runlist_update_locked(fifo); - mutex_unlock(&fifo->base.engine.subdev.mutex); + mutex_unlock(&fifo->base.mutex); } int -- 2.7.4