From 729403f545c5bc26ce208d38db65962596951e0a Mon Sep 17 00:00:00 2001 From: Mahantesh Kumbar Date: Thu, 7 Dec 2017 22:59:40 +0530 Subject: gpu: nvgpu: gv100: INIT WPR region using RPC - Created nv_pmu_rpc_struct_acr_init_wpr_region struct - Function gv100_pmu_init_acr() to create & execute INIT_WPR_REGION using RPC. - Updated gv100 HAL .init_wpr_region to point to gv100_pmu_init_acr() - Added code to handle INIT_WPR_REGION ack in RPC handler. Change-Id: I699fa945790689e5f24ad5d3de022efb458662e0 Signed-off-by: Mahantesh Kumbar Reviewed-on: https://git-master.nvidia.com/r/1613290 Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/gv100/pmu_gv100.c | 45 +++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 drivers/gpu/nvgpu/gv100/pmu_gv100.c (limited to 'drivers/gpu/nvgpu/gv100/pmu_gv100.c') diff --git a/drivers/gpu/nvgpu/gv100/pmu_gv100.c b/drivers/gpu/nvgpu/gv100/pmu_gv100.c new file mode 100644 index 00000000..339df6af --- /dev/null +++ b/drivers/gpu/nvgpu/gv100/pmu_gv100.c @@ -0,0 +1,45 @@ +/* + * GV100 PMU + * + * Copyright (c) 2018, 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 + +#include "gk20a/gk20a.h" + +int gv100_pmu_init_acr(struct gk20a *g) +{ + struct nvgpu_pmu *pmu = &g->pmu; + struct nv_pmu_rpc_struct_acr_init_wpr_region rpc; + int status = 0; + + memset(&rpc, 0, sizeof(struct nv_pmu_rpc_struct_acr_init_wpr_region)); + rpc.wpr_regionId = 0x1; + rpc.wpr_offset = 0x0; + PMU_RPC_EXECUTE(status, pmu, ACR, INIT_WPR_REGION, &rpc, 0); + if (status) { + nvgpu_err(g, "Failed to execute RPC status=0x%x", + status); + } + + return status; +} -- cgit v1.2.2