From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/nouveau/nvc0_fence.c | 84 ++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvc0_fence.c (limited to 'drivers/gpu/drm/nouveau/nvc0_fence.c') diff --git a/drivers/gpu/drm/nouveau/nvc0_fence.c b/drivers/gpu/drm/nouveau/nvc0_fence.c new file mode 100644 index 000000000..b79775788 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvc0_fence.c @@ -0,0 +1,84 @@ +/* + * 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_drv.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; +} -- cgit v1.2.3