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a3289cb80c
Create Compression Bit Cache(CBC) unit to have comptags cache related functionality in one place. In this patch Moved following gpu ops from ltc to cbc and renamed accordingly: void (*init)(struct gk20a *g, struct gr_gk20a *gr); u64 (*get_base_divisor)(struct gk20a *g); int (*alloc_comptags)(struct gk20a *g, struct gr_gk20a *gr); int (*ctrl)(struct gk20a *g, enum gk20a_cbc_op op, u32 min, u32 max); u32 (*fix_config)(struct gk20a *g, int base); To avoid ambiguity renamed function pointer from init_comptags to alloc_comptags. Moved following function from ltc.h to cbc.h: nvgpu_ltc_alloc_cbc -> nvgpu_cbc_alloc Also changed file name that implemented nvgpu_cbc_alloc functionality from os/ltc.c -> os/linux-cbc.c JIRA NVGPU-2897 Change-Id: Ide32a98567e9a3f0a784d62221a6f484f8343e53 Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2030194 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/*
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* Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <nvgpu/cbc.h>
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#include <nvgpu/dma.h>
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#include <nvgpu/nvgpu_mem.h>
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#include <nvgpu/gk20a.h>
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#include "gk20a/gr_gk20a.h"
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int nvgpu_cbc_alloc(struct gk20a *g, size_t compbit_backing_size,
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bool vidmem_alloc)
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{
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struct gr_gk20a *gr = &g->gr;
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if (nvgpu_mem_is_valid(&gr->compbit_store.mem))
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return 0;
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if (vidmem_alloc) {
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/*
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* Backing store MUST be physically contiguous and allocated in
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* one chunk
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* Vidmem allocation API does not support FORCE_CONTIGUOUS like
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* flag to allocate contiguous memory
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* But this allocation will happen in vidmem bootstrap allocator
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* which always allocates contiguous memory
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*/
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return nvgpu_dma_alloc_vid(g,
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compbit_backing_size,
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&gr->compbit_store.mem);
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} else {
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return nvgpu_dma_alloc_flags_sys(g,
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NVGPU_DMA_PHYSICALLY_ADDRESSED,
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compbit_backing_size,
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&gr->compbit_store.mem);
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}
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}
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