linuxdebug/drivers/gpu/drm/vc4/vc4_fence.c

49 lines
1.7 KiB
C

/*
* Copyright © 2017 Broadcom
*
* 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 (including the next
* paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include "vc4_drv.h"
static const char *vc4_fence_get_driver_name(struct dma_fence *fence)
{
return "vc4";
}
static const char *vc4_fence_get_timeline_name(struct dma_fence *fence)
{
return "vc4-v3d";
}
static bool vc4_fence_signaled(struct dma_fence *fence)
{
struct vc4_fence *f = to_vc4_fence(fence);
struct vc4_dev *vc4 = to_vc4_dev(f->dev);
return vc4->finished_seqno >= f->seqno;
}
const struct dma_fence_ops vc4_fence_ops = {
.get_driver_name = vc4_fence_get_driver_name,
.get_timeline_name = vc4_fence_get_timeline_name,
.signaled = vc4_fence_signaled,
};