mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
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ce4293ab20
Changes: - disabled gsp firmware release during railgating - firmware read happen only during power on Bug 3935433 Change-Id: I9156c015ab7f90ab640c33ca99dc7f3e289b7659 Signed-off-by: vivekku <vivekku@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2870170 Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
133 lines
3.4 KiB
C
133 lines
3.4 KiB
C
/*
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* Copyright (c) 2021-2022, 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 <nvgpu/firmware.h>
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#include <nvgpu/falcon.h>
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#include <nvgpu/gk20a.h>
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#include <nvgpu/log.h>
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#include <nvgpu/gsp.h>
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#ifdef CONFIG_NVGPU_GSP_STRESS_TEST
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#include <nvgpu/gsp/gsp_test.h>
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#endif
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#ifdef CONFIG_NVGPU_GSP_SCHEDULER
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#include <nvgpu/gsp_sched.h>
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#endif
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void nvgpu_gsp_isr_support(struct gk20a *g, struct nvgpu_gsp *gsp, bool enable)
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{
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nvgpu_log_fn(g, " ");
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/* Enable irq*/
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nvgpu_mutex_acquire(&gsp->isr_mutex);
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if (g->ops.gsp.enable_irq != NULL) {
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g->ops.gsp.enable_irq(g, enable);
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}
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gsp->isr_enabled = enable;
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nvgpu_mutex_release(&gsp->isr_mutex);
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}
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void nvgpu_gsp_suspend(struct gk20a *g, struct nvgpu_gsp *gsp)
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{
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nvgpu_gsp_isr_support(g, gsp, false);
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#ifdef CONFIG_NVGPU_FALCON_DEBUG
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nvgpu_falcon_dbg_error_print_enable(gsp->gsp_flcn, false);
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#endif
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}
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void nvgpu_gsp_sw_deinit(struct gk20a *g, struct nvgpu_gsp *gsp)
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{
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if (gsp != NULL) {
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nvgpu_mutex_destroy(&gsp->isr_mutex);
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#ifdef CONFIG_NVGPU_FALCON_DEBUG
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nvgpu_falcon_dbg_buf_destroy(gsp->gsp_flcn);
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#endif
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gsp_release_firmware(g, gsp);
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nvgpu_kfree(g, gsp);
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gsp = NULL;
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}
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}
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int nvgpu_gsp_debug_buf_init(struct gk20a *g, u32 queue_no, u32 buffer_size)
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{
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int err = 0;
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nvgpu_log_fn(g, " ");
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/* enable debug buffer support */
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#ifdef CONFIG_NVGPU_FALCON_DEBUG
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if ((g->ops.gsp.gsp_get_queue_head != NULL) &&
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(g->ops.gsp.gsp_get_queue_tail != NULL)) {
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err = nvgpu_falcon_dbg_buf_init(
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&g->gsp_flcn, buffer_size,
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g->ops.gsp.gsp_get_queue_head(queue_no),
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g->ops.gsp.gsp_get_queue_tail(queue_no));
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if (err != 0) {
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nvgpu_err(g, "GSP debug init failed");
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}
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}
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#else
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(void)queue_no;
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(void)buffer_size;
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#endif
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return err;
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}
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void nvgpu_gsp_isr_mutex_acquire(struct gk20a *g, struct nvgpu_gsp *gsp)
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{
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(void)g;
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nvgpu_mutex_acquire(&gsp->isr_mutex);
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}
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void nvgpu_gsp_isr_mutex_release(struct gk20a *g, struct nvgpu_gsp *gsp)
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{
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(void)g;
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nvgpu_mutex_release(&gsp->isr_mutex);
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}
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bool nvgpu_gsp_is_isr_enable(struct gk20a *g, struct nvgpu_gsp *gsp)
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{
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(void)g;
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return gsp->isr_enabled;
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}
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struct nvgpu_falcon *nvgpu_gsp_falcon_instance(struct gk20a *g)
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{
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return &g->gsp_flcn;
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}
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void nvgpu_gsp_isr(struct gk20a *g)
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{
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#ifdef CONFIG_NVGPU_GSP_STRESS_TEST
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if (nvgpu_gsp_get_stress_test_load(g)) {
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nvgpu_gsp_stest_isr(g);
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return;
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}
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#endif
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#ifdef CONFIG_NVGPU_GSP_SCHEDULER
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nvgpu_gsp_sched_isr(g);
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#endif
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return;
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}
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