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gpu: nvgpu: support for hwpm context switching

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Add support for hwpm context switching

Bug 1648200

Change-Id: I482899bf165cd2ef24bb8617be16df01218e462f
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1120450
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Peter Daifuku
2016-03-09 19:10:20 -08:00
committed by Terje Bergstrom
parent 6675c03603
commit 37155b65f1
12 changed files with 849 additions and 65 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
drivers/gpu/nvgpu/gk20a/gr_ctx_gk20a.c
View File

@@ -3,7 +3,7 @@
*
* GK20A Graphics Context
*
* Copyright (c) 2011-2015, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2011-2016, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -281,7 +281,60 @@ static int gr_gk20a_init_ctx_vars_fw(struct gk20a *g, struct gr_gk20a *gr)
netlist_num);
break;
case NETLIST_REGIONID_CTXREG_PMPPC:
gk20a_dbg_info("NETLIST_REGIONID_CTXREG_PMPPC skipped");
gk20a_dbg_info("NETLIST_REGIONID_CTXREG_PMPPC");
err = gr_gk20a_alloc_load_netlist_aiv(
src, size, &g->gr.ctx_vars.ctxsw_regs.pm_ppc);
if (err)
goto clean_up;
break;
case NETLIST_REGIONID_NVPERF_CTXREG_SYS:
gk20a_dbg_info("NETLIST_REGIONID_NVPERF_CTXREG_SYS");
err = gr_gk20a_alloc_load_netlist_aiv(
src, size, &g->gr.ctx_vars.ctxsw_regs.perf_sys);
if (err)
goto clean_up;
break;
case NETLIST_REGIONID_NVPERF_FBP_CTXREGS:
gk20a_dbg_info("NETLIST_REGIONID_NVPERF_FBP_CTXREGS");
err = gr_gk20a_alloc_load_netlist_aiv(
src, size, &g->gr.ctx_vars.ctxsw_regs.fbp);
if (err)
goto clean_up;
break;
case NETLIST_REGIONID_NVPERF_CTXREG_GPC:
gk20a_dbg_info("NETLIST_REGIONID_NVPERF_CTXREG_GPC");
err = gr_gk20a_alloc_load_netlist_aiv(
src, size, &g->gr.ctx_vars.ctxsw_regs.perf_gpc);
if (err)
goto clean_up;
break;
case NETLIST_REGIONID_NVPERF_FBP_ROUTER:
gk20a_dbg_info("NETLIST_REGIONID_NVPERF_FBP_ROUTER");
err = gr_gk20a_alloc_load_netlist_aiv(
src, size, &g->gr.ctx_vars.ctxsw_regs.fbp_router);
if (err)
goto clean_up;
break;
case NETLIST_REGIONID_NVPERF_GPC_ROUTER:
gk20a_dbg_info("NETLIST_REGIONID_NVPERF_GPC_ROUTER");
err = gr_gk20a_alloc_load_netlist_aiv(
src, size, &g->gr.ctx_vars.ctxsw_regs.gpc_router);
if (err)
goto clean_up;
break;
case NETLIST_REGIONID_CTXREG_PMLTC:
gk20a_dbg_info("NETLIST_REGIONID_CTXREG_PMLTC");
err = gr_gk20a_alloc_load_netlist_aiv(
src, size, &g->gr.ctx_vars.ctxsw_regs.pm_ltc);
if (err)
goto clean_up;
break;
case NETLIST_REGIONID_CTXREG_PMFBPA:
gk20a_dbg_info("NETLIST_REGIONID_CTXREG_PMFBPA");
err = gr_gk20a_alloc_load_netlist_aiv(
src, size, &g->gr.ctx_vars.ctxsw_regs.pm_fbpa);
if (err)
goto clean_up;
break;
default:
gk20a_dbg_info("unrecognized region %d skipped", i);
@@ -319,6 +372,14 @@ clean_up:
kfree(g->gr.ctx_vars.ctxsw_regs.pm_sys.l);
kfree(g->gr.ctx_vars.ctxsw_regs.pm_gpc.l);
kfree(g->gr.ctx_vars.ctxsw_regs.pm_tpc.l);
kfree(g->gr.ctx_vars.ctxsw_regs.pm_ppc.l);
kfree(g->gr.ctx_vars.ctxsw_regs.perf_sys.l);
kfree(g->gr.ctx_vars.ctxsw_regs.fbp.l);
kfree(g->gr.ctx_vars.ctxsw_regs.perf_gpc.l);
kfree(g->gr.ctx_vars.ctxsw_regs.fbp_router.l);
kfree(g->gr.ctx_vars.ctxsw_regs.gpc_router.l);
kfree(g->gr.ctx_vars.ctxsw_regs.pm_ltc.l);
kfree(g->gr.ctx_vars.ctxsw_regs.pm_fbpa.l);
release_firmware(netlist_fw);
err = -ENOENT;
}