mirror of
https://github.com/torvalds/linux.git
synced 2024-11-08 05:01:48 +00:00
85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/*
|
|
* 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;
|
|
}
|