Files
linux-nvgpu/drivers/gpu/nvgpu/hal/fifo/fifo_gk20a_fusa.c
2022-02-18 10:53:32 -08:00

67 lines
2.2 KiB
C

/*
* GK20A Graphics FIFO (gr host)
*
* Copyright (c) 2011-2019, NVIDIA CORPORATION. All rights reserved.
*
* 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 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 <nvgpu/log.h>
#include <nvgpu/soc.h>
#include <nvgpu/io.h>
#include <nvgpu/fifo.h>
#include <nvgpu/gk20a.h>
#include <nvgpu/power_features/cg.h>
#include "hal/fifo/fifo_gk20a.h"
#include <nvgpu/hw/gk20a/hw_fifo_gk20a.h>
bool gk20a_fifo_find_pbdma_for_runlist(struct gk20a *g,
u32 runlist_id, u32 *pbdma_mask)
{
u32 runlist_bit = BIT32(runlist_id);
u32 num_pbdmas = nvgpu_get_litter_value(g, GPU_LIT_HOST_NUM_PBDMA);
u32 id;
*pbdma_mask = 0U;
for (id = 0U; id < num_pbdmas; id++) {
u32 pbdma_map = nvgpu_readl(g, fifo_pbdma_map_r(id));
if ((pbdma_map & runlist_bit) != 0U) {
*pbdma_mask |= BIT32(id);
}
}
return *pbdma_mask != 0U;
}
u32 gk20a_fifo_get_runlist_timeslice(struct gk20a *g)
{
return fifo_runlist_timeslice_timeout_128_f() |
fifo_runlist_timeslice_timescale_3_f() |
fifo_runlist_timeslice_enable_true_f();
}
u32 gk20a_fifo_get_pb_timeslice(struct gk20a *g) {
return fifo_pb_timeslice_timeout_16_f() |
fifo_pb_timeslice_timescale_0_f() |
fifo_pb_timeslice_enable_true_f();
}