From 76ad9e8366f5c73d1ea47d54cea043f8cd9fa23e Mon Sep 17 00:00:00 2001 From: Mahantesh Kumbar Date: Tue, 27 Feb 2018 14:52:19 +0530 Subject: gpu: nvgpu: Updated RPC to support copyback & callback - Updated & added new parameter "bool is_copy_back" to nvgpu_pmu_rpc_execute() to support copy back processed RPC request from PMU to caller by passing parameter value true & this blocks method till it receives ACK from PMU for requested RPC. - Added "struct rpc_handler_payload" to hold info required for RPC handler like RPC buff address & clear memory if copy back is not requested. - Added define PMU_RPC_EXECUTE_CPB to support to copy back processed RPC request from PMU to caller. - Updated RPC callback handler support, crated memory & assigned default handler if callback is not requested else use callback parameters data to request to PMU. - Added define PMU_RPC_EXECUTE_CB to support callback - Updated pmu_wait_message_cond(), restricted condition check to 8-bit instead 32-bit condition check. Change-Id: Ic05289b074954979fd0102daf5ab806bf1f07b62 Signed-off-by: Mahantesh Kumbar Reviewed-on: https://git-master.nvidia.com/r/1664962 Reviewed-by: svc-mobile-coverity GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/gk20a/pmu_gk20a.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/nvgpu/gk20a/pmu_gk20a.h') diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h index 5bd43510..27d27007 100644 --- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h +++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h @@ -3,7 +3,7 @@ * * GK20A PMU (aka. gPMU outside gk20a context) * - * Copyright (c) 2011-2017, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2011-2018, 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"), @@ -69,7 +69,7 @@ void gk20a_pmu_dump_falcon_stats(struct nvgpu_pmu *pmu); void pmu_enable_irq(struct nvgpu_pmu *pmu, bool enable); int pmu_wait_message_cond(struct nvgpu_pmu *pmu, u32 timeout_ms, - u32 *var, u32 val); + void *var, u8 val); void pmu_handle_fecs_boot_acr_msg(struct gk20a *g, struct pmu_msg *msg, void *param, u32 handle, u32 status); void gk20a_pmu_elpg_statistics(struct gk20a *g, u32 pg_engine_id, -- cgit v1.2.2