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1214aabe95
Mark CDE as supported on t18x. Change-Id: I03c23178712b9018137edddfa8e1ff3a2ad9106c Signed-off-by: Jussi Rasanen <jrasanen@nvidia.com> Reviewed-on: http://git-master/r/672384 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Konsta Holtta <kholtta@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/*
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* drivers/video/tegra/host/gk20a/platform_gk20a_tegra.c
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*
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* GK20A Tegra Platform Interface
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*
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* Copyright (c) 2014-2015, 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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#include <linux/of_platform.h>
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#include <linux/nvhost.h>
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#include <linux/debugfs.h>
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#include <linux/tegra-powergate.h>
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#include <linux/platform_data/tegra_edp.h>
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#include <uapi/linux/nvgpu.h>
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#include <linux/dma-buf.h>
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#include <linux/nvmap.h>
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#include <linux/tegra_pm_domains.h>
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#include "gk20a/platform_gk20a.h"
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#include "gk20a/gk20a.h"
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static int gp10b_tegra_probe(struct platform_device *pdev)
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{
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struct gk20a_platform *platform = gk20a_get_platform(pdev);
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struct device_node *np = pdev->dev.of_node;
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struct device_node *host1x_node;
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struct platform_device *host1x_pdev;
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const __be32 *host1x_ptr;
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host1x_ptr = of_get_property(np, "nvidia,host1x", NULL);
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if (!host1x_ptr) {
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gk20a_err(&pdev->dev, "host1x device not available");
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return -ENOSYS;
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}
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host1x_node = of_find_node_by_phandle(be32_to_cpup(host1x_ptr));
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host1x_pdev = of_find_device_by_node(host1x_node);
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if (!host1x_pdev) {
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gk20a_err(&pdev->dev, "host1x device not available");
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return -ENOSYS;
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}
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platform->g->host1x_dev = host1x_pdev;
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return 0;
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}
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static int gp10b_tegra_late_probe(struct platform_device *pdev)
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{
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return 0;
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}
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static bool gp10b_tegra_is_railgated(struct platform_device *pdev)
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{
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return false;
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}
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static int gp10b_tegra_railgate(struct platform_device *pdev)
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{
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return 0;
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}
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static int gp10b_tegra_unrailgate(struct platform_device *pdev)
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{
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return 0;
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}
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static int gp10b_tegra_suspend(struct device *dev)
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{
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return 0;
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}
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struct gk20a_platform t18x_gpu_tegra_platform = {
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.has_syncpoints = true,
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/* power management configuration */
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.enable_elpg = false,
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.probe = gp10b_tegra_probe,
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.late_probe = gp10b_tegra_late_probe,
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/* power management callbacks */
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.suspend = gp10b_tegra_suspend,
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.railgate = gp10b_tegra_railgate,
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.unrailgate = gp10b_tegra_unrailgate,
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.is_railgated = gp10b_tegra_is_railgated,
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.busy = gk20a_tegra_busy,
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.idle = gk20a_tegra_idle,
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.dump_platform_dependencies = gk20a_tegra_debug_dump,
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.default_big_page_size = SZ_64K,
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.has_cde = true,
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};
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