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Commit 344c2d42 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/fb: remove dependence on namedb/engctx lookup 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 898a2b32

drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h

+8 −0
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ struct nvkm_fifo_chan { 
	u64 addr;

	u32 size;

	u16 chid;

	u64 inst;

};



static inline struct nvkm_fifo_chan *
@@ -81,6 +82,13 @@ struct nvkm_fifo { 
	void (*start)(struct nvkm_fifo *, unsigned long *);

};



void nvkm_fifo_chan_put(struct nvkm_fifo *, unsigned long flags,

			struct nvkm_fifo_chan **);

struct nvkm_fifo_chan *

nvkm_fifo_chan_inst(struct nvkm_fifo *, u64 inst, unsigned long *flags);

struct nvkm_fifo_chan *

nvkm_fifo_chan_chid(struct nvkm_fifo *, int chid, unsigned long *flags);



static inline struct nvkm_fifo *

nvkm_fifo(void *obj)

{

drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c

+41 −0
Original line number Diff line number Diff line
@@ -32,6 +32,47 @@ 
#include <nvif/event.h>

#include <nvif/unpack.h>



void

nvkm_fifo_chan_put(struct nvkm_fifo *fifo, unsigned long flags,

		   struct nvkm_fifo_chan **pchan)

{

	struct nvkm_fifo_chan *chan = *pchan;

	if (likely(chan)) {

		*pchan = NULL;

		spin_unlock_irqrestore(&fifo->lock, flags);

	}

}



struct nvkm_fifo_chan *

nvkm_fifo_chan_inst(struct nvkm_fifo *fifo, u64 inst, unsigned long *rflags)

{

	unsigned long flags;

	int i;

	spin_lock_irqsave(&fifo->lock, flags);

	for (i = fifo->min; i < fifo->max; i++) {

		struct nvkm_fifo_chan *chan = (void *)fifo->channel[i];

		if (chan && chan->inst == inst) {

			*rflags = flags;

			return chan;

		}

	}

	spin_unlock_irqrestore(&fifo->lock, flags);

	return NULL;

}



struct nvkm_fifo_chan *

nvkm_fifo_chan_chid(struct nvkm_fifo *fifo, int chid, unsigned long *rflags)

{

	unsigned long flags;

	spin_lock_irqsave(&fifo->lock, flags);

	if (fifo->channel[chid]) {

		*rflags = flags;

		return (void *)fifo->channel[chid];

	}

	spin_unlock_irqrestore(&fifo->lock, flags);

	return NULL;

}



static int

nvkm_fifo_event_ctor(struct nvkm_object *object, void *data, u32 size,

		     struct nvkm_notify *notify)

drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c

+2 −0
Original line number Diff line number Diff line
@@ -207,6 +207,7 @@ g84_fifo_chan_ctor_dma(struct nvkm_object *parent, struct nvkm_object *engine, 
	if (ret)

		return ret;



	chan->base.inst = base->base.gpuobj.addr;

	args->v0.chid = chan->base.chid;



	ret = nvkm_ramht_new(device, 0x8000, 16, &base->base.gpuobj,
@@ -285,6 +286,7 @@ g84_fifo_chan_ctor_ind(struct nvkm_object *parent, struct nvkm_object *engine, 
	if (ret)

		return ret;



	chan->base.inst = base->base.gpuobj.addr;

	args->v0.chid = chan->base.chid;



	ret = nvkm_ramht_new(device, 0x8000, 16, &base->base.gpuobj,

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c

+1 −0
Original line number Diff line number Diff line
@@ -226,6 +226,7 @@ gf100_fifo_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 
	if (ret)

		return ret;



	chan->base.inst = base->base.gpuobj.addr;

	args->v0.chid = chan->base.chid;



	nv_parent(chan)->context_attach = gf100_fifo_context_attach;

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c

+1 −0
Original line number Diff line number Diff line
@@ -283,6 +283,7 @@ gk104_fifo_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 
	if (ret)

		return ret;



	chan->base.inst = base->base.gpuobj.addr;

	args->v0.chid = chan->base.chid;



	nv_parent(chan)->context_attach = gk104_fifo_context_attach;