/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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*
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* (C) COPYRIGHT 2013-2021 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*
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*/
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/**
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* DOC: Default values for configuration settings
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*
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*/
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#ifndef _KBASE_CONFIG_DEFAULTS_H_
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#define _KBASE_CONFIG_DEFAULTS_H_
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/* Include mandatory definitions per platform */
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#include <mali_kbase_config_platform.h>
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enum {
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/**
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* Use unrestricted Address ID width on the AXI bus.
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*/
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KBASE_AID_32 = 0x0,
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/**
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* Restrict GPU to a half of maximum Address ID count.
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* This will reduce performance, but reduce bus load due to GPU.
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*/
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KBASE_AID_16 = 0x3,
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/**
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* Restrict GPU to a quarter of maximum Address ID count.
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* This will reduce performance, but reduce bus load due to GPU.
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*/
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KBASE_AID_8 = 0x2,
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/**
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* Restrict GPU to an eighth of maximum Address ID count.
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* This will reduce performance, but reduce bus load due to GPU.
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*/
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KBASE_AID_4 = 0x1
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};
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enum {
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/**
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* Use unrestricted Address ID width on the AXI bus.
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* Restricting ID width will reduce performance & bus load due to GPU.
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*/
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KBASE_3BIT_AID_32 = 0x0,
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/* Restrict GPU to 7/8 of maximum Address ID count. */
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KBASE_3BIT_AID_28 = 0x1,
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/* Restrict GPU to 3/4 of maximum Address ID count. */
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KBASE_3BIT_AID_24 = 0x2,
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/* Restrict GPU to 5/8 of maximum Address ID count. */
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KBASE_3BIT_AID_20 = 0x3,
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/* Restrict GPU to 1/2 of maximum Address ID count. */
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KBASE_3BIT_AID_16 = 0x4,
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/* Restrict GPU to 3/8 of maximum Address ID count. */
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KBASE_3BIT_AID_12 = 0x5,
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/* Restrict GPU to 1/4 of maximum Address ID count. */
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KBASE_3BIT_AID_8 = 0x6,
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/* Restrict GPU to 1/8 of maximum Address ID count. */
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KBASE_3BIT_AID_4 = 0x7
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};
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/**
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* Default period for DVFS sampling (can be overridden by platform header)
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*/
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#ifndef DEFAULT_PM_DVFS_PERIOD
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#define DEFAULT_PM_DVFS_PERIOD 100 /* 100ms */
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#endif
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/**
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* Power Management poweroff tick granuality. This is in nanoseconds to
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* allow HR timer support (can be overridden by platform header).
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*
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* On each scheduling tick, the power manager core may decide to:
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* -# Power off one or more shader cores
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* -# Power off the entire GPU
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*/
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#ifndef DEFAULT_PM_GPU_POWEROFF_TICK_NS
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#define DEFAULT_PM_GPU_POWEROFF_TICK_NS (400000) /* 400us */
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#endif
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/**
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* Power Manager number of ticks before shader cores are powered off
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* (can be overridden by platform header).
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*/
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#ifndef DEFAULT_PM_POWEROFF_TICK_SHADER
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#define DEFAULT_PM_POWEROFF_TICK_SHADER (2) /* 400-800us */
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#endif
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/**
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* Default scheduling tick granuality (can be overridden by platform header)
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*/
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#ifndef DEFAULT_JS_SCHEDULING_PERIOD_NS
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#define DEFAULT_JS_SCHEDULING_PERIOD_NS (100000000u) /* 100ms */
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#endif
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/**
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* Default minimum number of scheduling ticks before jobs are soft-stopped.
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*
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* This defines the time-slice for a job (which may be different from that of a
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* context)
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*/
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#define DEFAULT_JS_SOFT_STOP_TICKS (1) /* 100ms-200ms */
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/**
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* Default minimum number of scheduling ticks before CL jobs are soft-stopped.
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*/
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#define DEFAULT_JS_SOFT_STOP_TICKS_CL (1) /* 100ms-200ms */
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/**
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* Default minimum number of scheduling ticks before jobs are hard-stopped
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*/
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#define DEFAULT_JS_HARD_STOP_TICKS_SS (50) /* 5s */
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/**
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* Default minimum number of scheduling ticks before CL jobs are hard-stopped.
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*/
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#define DEFAULT_JS_HARD_STOP_TICKS_CL (50) /* 5s */
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/**
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* Default minimum number of scheduling ticks before jobs are hard-stopped
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* during dumping
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*/
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#define DEFAULT_JS_HARD_STOP_TICKS_DUMPING (15000) /* 1500s */
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/**
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* Default timeout for some software jobs, after which the software event wait
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* jobs will be cancelled.
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*/
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#define DEFAULT_JS_SOFT_JOB_TIMEOUT (3000) /* 3s */
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/**
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* Default minimum number of scheduling ticks before the GPU is reset to clear a
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* "stuck" job
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*/
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#define DEFAULT_JS_RESET_TICKS_SS (55) /* 5.5s */
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/**
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* Default minimum number of scheduling ticks before the GPU is reset to clear a
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* "stuck" CL job.
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*/
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#define DEFAULT_JS_RESET_TICKS_CL (55) /* 5.5s */
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/**
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* Default minimum number of scheduling ticks before the GPU is reset to clear a
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* "stuck" job during dumping.
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*/
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#define DEFAULT_JS_RESET_TICKS_DUMPING (15020) /* 1502s */
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/**
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* Default number of milliseconds given for other jobs on the GPU to be
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* soft-stopped when the GPU needs to be reset.
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*/
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#define DEFAULT_RESET_TIMEOUT_MS (3000) /* 3s */
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/**
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* Default timeslice that a context is scheduled in for, in nanoseconds.
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*
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* When a context has used up this amount of time across its jobs, it is
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* scheduled out to let another run.
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*
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* @note the resolution is nanoseconds (ns) here, because that's the format
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* often used by the OS.
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*/
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#define DEFAULT_JS_CTX_TIMESLICE_NS (50000000) /* 50ms */
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/**
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* Maximum frequency (in kHz) that the GPU can be clocked. For some platforms
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* this isn't available, so we simply define a dummy value here. If devfreq
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* is enabled the value will be read from there, otherwise this should be
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* overridden by defining GPU_FREQ_KHZ_MAX in the platform file.
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*/
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#define DEFAULT_GPU_FREQ_KHZ_MAX (5000)
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/**
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* Default timeout for task execution on an endpoint
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*
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* Number of GPU clock cycles before the driver terminates a task that is
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* making no forward progress on an endpoint (e.g. shader core).
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* Value chosen is equivalent to the time after which a job is hard stopped
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* which is 5 seconds (assuming the GPU is usually clocked at ~500 MHZ).
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*/
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#define DEFAULT_PROGRESS_TIMEOUT ((u64)5 * 500 * 1024 * 1024)
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/**
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* Default threshold at which to switch to incremental rendering
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*
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* Fraction of the maximum size of an allocation that grows on GPU page fault
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* that can be used up before the driver switches to incremental rendering,
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* in 256ths. 0 means disable incremental rendering.
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*/
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#define DEFAULT_IR_THRESHOLD (192)
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#endif /* _KBASE_CONFIG_DEFAULTS_H_ */
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