From b42fb7ba26b565f93118fbdd9e17b42ee6144c5e Mon Sep 17 00:00:00 2001 From: Deepak Nibade Date: Tue, 14 Nov 2017 06:43:28 -0800 Subject: gpu: nvgpu: move vgpu code to linux Most of VGPU code is linux specific but lies in common code So until VGPU code is properly abstracted and made os-independent, move all of VGPU code to linux specific directory Handle corresponding Makefile changes Update all #includes to reflect new paths Add GPL license to newly added linux files Jira NVGPU-387 Change-Id: Ic133e4c80e570bcc273f0dacf45283fefd678923 Signed-off-by: Deepak Nibade Reviewed-on: https://git-master.nvidia.com/r/1599472 GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom Reviewed-by: mobile promotions Tested-by: mobile promotions --- .../nvgpu/common/linux/vgpu/platform_vgpu_tegra.c | 69 ++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 drivers/gpu/nvgpu/common/linux/vgpu/platform_vgpu_tegra.c (limited to 'drivers/gpu/nvgpu/common/linux/vgpu/platform_vgpu_tegra.c') diff --git a/drivers/gpu/nvgpu/common/linux/vgpu/platform_vgpu_tegra.c b/drivers/gpu/nvgpu/common/linux/vgpu/platform_vgpu_tegra.c new file mode 100644 index 00000000..830b04ac --- /dev/null +++ b/drivers/gpu/nvgpu/common/linux/vgpu/platform_vgpu_tegra.c @@ -0,0 +1,69 @@ +/* + * Tegra Virtualized GPU Platform Interface + * + * Copyright (c) 2014-2017, 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, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "gk20a/gk20a.h" +#include "common/linux/platform_gk20a.h" +#include "clk_vgpu.h" + +#include + +static int gk20a_tegra_probe(struct device *dev) +{ +#ifdef CONFIG_TEGRA_GK20A_NVHOST + struct gk20a_platform *platform = dev_get_drvdata(dev); + int ret; + + ret = nvgpu_get_nvhost_dev(platform->g); + if (ret) + return ret; + + vgpu_init_clk_support(platform->g); + return 0; +#else + return 0; +#endif +} + +struct gk20a_platform vgpu_tegra_platform = { + .has_syncpoints = true, + .aggressive_sync_destroy_thresh = 64, + + /* power management configuration */ + .can_railgate_init = false, + .can_elpg_init = false, + .enable_slcg = false, + .enable_blcg = false, + .enable_elcg = false, + .enable_elpg = false, + .enable_aelpg = false, + .can_slcg = false, + .can_blcg = false, + .can_elcg = false, + + .ch_wdt_timeout_ms = 5000, + + .probe = gk20a_tegra_probe, + + .clk_round_rate = vgpu_clk_round_rate, + .get_clk_freqs = vgpu_clk_get_freqs, + + /* frequency scaling configuration */ + .devfreq_governor = "userspace", + + .virtual_dev = true, +}; -- cgit v1.2.2