5113f6f70
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kernel add
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/*
* Copyright 2012 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*/
#include "nouveau_drm.h"
#include "nouveau_dma.h"
#include "nouveau_fence.h"
#include "nv50_display.h"
static int
nvc0_fence_emit32(struct nouveau_channel *chan, u64 virtual, u32 sequence)
{
int ret = RING_SPACE(chan, 6);
if (ret == 0) {
BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 5);
OUT_RING (chan, upper_32_bits(virtual));
OUT_RING (chan, lower_32_bits(virtual));
OUT_RING (chan, sequence);
OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG);
OUT_RING (chan, 0x00000000);
FIRE_RING (chan);
}
return ret;
}
static int
nvc0_fence_sync32(struct nouveau_channel *chan, u64 virtual, u32 sequence)
{
int ret = RING_SPACE(chan, 5);
if (ret == 0) {
BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
OUT_RING (chan, upper_32_bits(virtual));
OUT_RING (chan, lower_32_bits(virtual));
OUT_RING (chan, sequence);
OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_GEQUAL |
NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD);
FIRE_RING (chan);
}
return ret;
}
static int
nvc0_fence_context_new(struct nouveau_channel *chan)
{
int ret = nv84_fence_context_new(chan);
if (ret == 0) {
struct nv84_fence_chan *fctx = chan->fence;
fctx->base.emit32 = nvc0_fence_emit32;
fctx->base.sync32 = nvc0_fence_sync32;
}
return ret;
}
int
nvc0_fence_create(struct nouveau_drm *drm)
{
int ret = nv84_fence_create(drm);
if (ret == 0) {
struct nv84_fence_priv *priv = drm->fence;
priv->base.context_new = nvc0_fence_context_new;
}
return ret;
}
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