Files
linux-nvgpu/drivers/gpu/nvgpu/gv100/mm_gv100.c
Terje Bergstrom da9b1bbac2 gpu: nvgpu: Introduce include/nvpgu/sizes.h
We use SZ_* #defines in some parts of nvgpu, but we don't explicitly
include a header that defines it. Add include/nvgpu/sizes.h that in
Linux #includes linux/sizes.h.

Change-Id: I8f506d85c7eaa12e649f5874a87533e2f0fe9438
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1607575
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2017-12-01 08:37:08 -08:00

58 lines
1.9 KiB
C

/*
* GV100 memory management
*
* Copyright (c) 2017, 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/sizes.h>
#include "gk20a/gk20a.h"
#include "gv100/mm_gv100.h"
#include <nvgpu/hw/gv100/hw_fb_gv100.h>
size_t gv100_mm_get_vidmem_size(struct gk20a *g)
{
u32 range = gk20a_readl(g, fb_mmu_local_memory_range_r());
u32 mag = fb_mmu_local_memory_range_lower_mag_v(range);
u32 scale = fb_mmu_local_memory_range_lower_scale_v(range);
u32 ecc = fb_mmu_local_memory_range_ecc_mode_v(range);
size_t bytes = ((size_t)mag << scale) * SZ_1M;
if (ecc)
bytes = bytes / 16 * 15;
return bytes;
}
u32 gv100_mm_get_flush_retries(struct gk20a *g, enum nvgpu_flush_op op)
{
switch (op) {
/* GV100 has a large FB so it needs larger timeouts */
case NVGPU_FLUSH_FB:
return 2000;
case NVGPU_FLUSH_L2_FLUSH:
return 2000;
default:
return 200; /* Default retry timer */
}
}