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0e8aee1c1a
For Simualtion/Emulation platforms,clock gating should be skipped as it is not supported. Added new flags "can_"X"lcg" to check platform capability before doing SLCG,BLCG and ELCG. Bug 200314250 Change-Id: I4124d444a77a4c06df8c1d82c6038bfd457f3db0 Signed-off-by: Deepak Goyal <dgoyal@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1566049 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*
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* Tegra Virtualized GPU Platform Interface
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*
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* Copyright (c) 2014-2017, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "gk20a.h"
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#include "platform_gk20a.h"
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#include "vgpu/clk_vgpu.h"
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#include <nvgpu/nvhost.h>
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static int gk20a_tegra_probe(struct device *dev)
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{
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#ifdef CONFIG_TEGRA_GK20A_NVHOST
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struct gk20a_platform *platform = dev_get_drvdata(dev);
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int ret;
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ret = nvgpu_get_nvhost_dev(platform->g);
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if (ret)
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return ret;
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vgpu_init_clk_support(platform->g);
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return 0;
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#else
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return 0;
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#endif
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}
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struct gk20a_platform vgpu_tegra_platform = {
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.has_syncpoints = true,
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.aggressive_sync_destroy_thresh = 64,
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/* power management configuration */
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.can_railgate_init = false,
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.can_elpg_init = false,
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.enable_slcg = false,
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.enable_blcg = false,
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.enable_elcg = false,
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.enable_elpg = false,
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.enable_aelpg = false,
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.can_slcg = false,
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.can_blcg = false,
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.can_elcg = false,
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.ch_wdt_timeout_ms = 5000,
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.probe = gk20a_tegra_probe,
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.clk_round_rate = vgpu_clk_round_rate,
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.get_clk_freqs = vgpu_clk_get_freqs,
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/* frequency scaling configuration */
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.devfreq_governor = "userspace",
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.virtual_dev = true,
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};
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