Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) # SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) # (C) COPYRIGHT 2012-2021 ARM Limited. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) # This program is free software and is provided to you under the terms of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) # GNU General Public License version 2 as published by the Free Software
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) # Foundation, and any use by you of this program is subject to the terms
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) # of such GNU license.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) # This program is distributed in the hope that it will be useful,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) # but WITHOUT ANY WARRANTY; without even the implied warranty of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) # GNU General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) # You should have received a copy of the GNU General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) # along with this program; if not, you can access it online at
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) # http://www.gnu.org/licenses/gpl-2.0.html.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) menuconfig MALI_BIFROST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	tristate "Mali Bifrost series support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	select GPU_TRACEPOINTS if ANDROID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	select DMA_SHARED_BUFFER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	select FW_LOADER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	  Enable this option to build support for a ARM Mali Bifrost GPU.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	  To compile this driver as a module, choose M here:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	  this will generate a single module, called mali_kbase.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) if MALI_BIFROST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) config MALI_PLATFORM_NAME
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	depends on MALI_BIFROST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	string "Platform name"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	default "devicetree"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	  Enter the name of the desired platform configuration directory to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	  include in the build. 'platform/$(MALI_PLATFORM_NAME)/Kbuild' must
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	  exist.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) config MALI_REAL_HW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	depends on MALI_BIFROST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	def_bool !MALI_BIFROST_NO_MALI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) menu "Platform specific options"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) source "drivers/gpu/arm/bifrost/platform/Kconfig"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) endmenu
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) config MALI_CSF_SUPPORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	bool "Enable Mali CSF based GPU support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	  Enables support for CSF based GPUs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) config MALI_BIFROST_DEVFREQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	bool "Enable devfreq support for Mali"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	depends on MALI_BIFROST && PM_DEVFREQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	select DEVFREQ_GOV_SIMPLE_ONDEMAND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	  Support devfreq for Mali.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	  Using the devfreq framework and, by default, the simple on-demand
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	  governor, the frequency of Mali will be dynamically selected from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	  available OPPs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) config MALI_BIFROST_DVFS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	bool "Enable legacy DVFS"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	depends on MALI_BIFROST && !MALI_BIFROST_DEVFREQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	  Choose this option to enable legacy DVFS in the Mali Midgard DDK.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) config MALI_BIFROST_GATOR_SUPPORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	bool "Enable Streamline tracing support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	depends on MALI_BIFROST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	  Enables kbase tracing used by the Arm Streamline Performance Analyzer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	  The tracepoints are used to derive GPU activity charts in Streamline.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) config MALI_BIFROST_ENABLE_TRACE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	bool "Enable kbase tracing"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	depends on MALI_BIFROST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	default y if MALI_BIFROST_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	  Enables tracing in kbase. Trace log available through
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	  the "mali_trace" debugfs file, when the CONFIG_DEBUG_FS is enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) config MALI_BIFROST_DMA_FENCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	bool "Enable DMA_BUF fence support for Mali"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	depends on MALI_BIFROST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	  Support DMA_BUF fences for Mali.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	  This option should only be enabled if the Linux Kernel has built in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	  support for DMA_BUF fences.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) config MALI_ARBITER_SUPPORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	bool "Enable arbiter support for Mali"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	depends on MALI_BIFROST && !MALI_CSF_SUPPORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	  Enable support for the arbiter interface in the driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	  This allows an external arbiter to manage driver access
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	  to GPU hardware in a virtualized environment
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	  If unsure, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) config MALI_DMA_BUF_MAP_ON_DEMAND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	bool "Enable map imported dma-bufs on demand"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	depends on MALI_BIFROST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	  This option caused kbase to set up the GPU mapping of imported
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	  dma-buf when needed to run atoms. This is the legacy behavior.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	  This is intended for testing and the option will get removed in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	  future.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) config MALI_DMA_BUF_LEGACY_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	bool "Enable legacy compatibility cache flush on dma-buf map"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	depends on MALI_BIFROST && !MALI_DMA_BUF_MAP_ON_DEMAND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	  This option enables compatibility with legacy dma-buf mapping
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	  behavior, then the dma-buf is mapped on import, by adding cache
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	  maintenance where MALI_DMA_BUF_MAP_ON_DEMAND would do the mapping,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	  including a cache flush.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	  This option might work-around issues related to missing cache
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	  flushes in other drivers. This only has an effect for clients using
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	  UK 11.18 or older. For later UK versions it is not possible.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) menuconfig MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	depends on MALI_BIFROST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	bool "Enable Expert Settings"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	  Enabling this option and modifying the default settings may produce
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	  a driver with performance or other limitations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) if MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) config MALI_2MB_ALLOC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	bool "Attempt to allocate 2MB pages"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	  Rather than allocating all GPU memory page-by-page, attempt to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	  allocate 2MB pages from the kernel. This reduces TLB pressure and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	  helps to prevent memory fragmentation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	  If in doubt, say N
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) config MALI_MEMORY_FULLY_BACKED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	bool "Enable memory fully physically-backed"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	  This option enables full physical backing of all virtual
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	  memory allocations in the kernel. Notice that this build
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	  option only affects allocations of grow-on-GPU-page-fault
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	  memory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) config MALI_CORESTACK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	bool "Enable support of GPU core stack power control"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	  Enabling this feature on supported GPUs will let the driver powering
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	  on/off the GPU core stack independently without involving the Power
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	  Domain Controller. This should only be enabled on platforms which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	  integration of the PDC to the Mali GPU is known to be problematic.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	  This feature is currently only supported on t-Six and t-HEx GPUs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	  If unsure, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) comment "Platform options"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) config MALI_BIFROST_NO_MALI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	bool "Enable No Mali"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	  This can be used to test the driver in a simulated environment
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	  whereby the hardware is not physically present. If the hardware is physically
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	  present it will not be used. This can be used to test the majority of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	  driver without needing actual hardware or for software benchmarking.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	  All calls to the simulated hardware will complete immediately as if the hardware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	  completed the task.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) config MALI_BIFROST_ERROR_INJECT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	bool "Enable No Mali error injection"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT && MALI_BIFROST_NO_MALI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	  Enables insertion of errors to test module failure and recovery mechanisms.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) config MALI_GEM5_BUILD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	bool "Enable build of Mali kernel driver for GEM5"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	  This option is to do a Mali GEM5 build.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	  If unsure, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) comment "Debug options"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) config MALI_FW_CORE_DUMP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)         bool "Enable support for FW core dump"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)         depends on MALI_BIFROST && MALI_BIFROST_EXPERT && MALI_CSF_SUPPORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)         default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)         help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)           Adds ability to request firmware core dump
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)           Example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)           * To explicitly request core dump:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)                 echo 1 >/sys/kernel/debug/mali0/fw_core_dump
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)           * To output current core dump (after explicitly requesting a core dump,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)             or kernel driver reported an internal firmware error):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)                 cat /sys/kernel/debug/mali0/fw_core_dump
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) config MALI_BIFROST_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	bool "Enable debug build"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	  Select this option for increased checking and reporting of errors.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) config MALI_BIFROST_FENCE_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	bool "Enable debug sync fence usage"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT && (SYNC || SYNC_FILE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	default y if MALI_BIFROST_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	  Select this option to enable additional checking and reporting on the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	  use of sync fences in the Mali driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	  This will add a 3s timeout to all sync fence waits in the Mali
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	  driver, so that when work for Mali has been waiting on a sync fence
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	  for a long time a debug message will be printed, detailing what fence
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	  is causing the block, and which dependent Mali atoms are blocked as a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	  result of this.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	  The timeout can be changed at runtime through the js_soft_timeout
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	  device attribute, where the timeout is specified in milliseconds.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) config MALI_BIFROST_SYSTEM_TRACE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	bool "Enable system event tracing support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	default y if MALI_BIFROST_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	  Choose this option to enable system trace events for each
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	  kbase event. This is typically used for debugging but has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	  minimal overhead when not in use. Enable only if you know what
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	  you are doing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) comment "Instrumentation options"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) choice
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	prompt "Select Performance counters set"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	default MALI_PRFCNT_SET_PRIMARY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) config MALI_PRFCNT_SET_PRIMARY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	bool "Primary"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	  Select this option to use primary set of performance counters.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) config MALI_BIFROST_PRFCNT_SET_SECONDARY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	bool "Secondary"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	  Select this option to use secondary set of performance counters. Kernel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	  features that depend on an access to the primary set of counters may
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	  become unavailable. Enabling this option will prevent power management
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	  from working optimally and may cause instrumentation tools to return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	  bogus results.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	  If unsure, use MALI_PRFCNT_SET_PRIMARY.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) config MALI_PRFCNT_SET_TERTIARY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	bool "Tertiary"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	  Select this option to use tertiary set of performance counters. Kernel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	  features that depend on an access to the primary set of counters may
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	  become unavailable. Enabling this option will prevent power management
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	  from working optimally and may cause instrumentation tools to return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	  bogus results.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	  If unsure, use MALI_PRFCNT_SET_PRIMARY.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) endchoice
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) config MALI_PRFCNT_SET_SELECT_VIA_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	bool "Enable runtime selection of performance counters set via debugfs"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT && DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	  Select this option to make the secondary set of performance counters
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	  available at runtime via debugfs. Kernel features that depend on an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	  access to the primary set of counters may become unavailable.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	  If no runtime debugfs option is set, the build time counter set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 	  choice will be used.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	  This feature is unsupported and unstable, and may break at any time.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	  Enabling this option will prevent power management from working
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	  optimally and may cause instrumentation tools to return bogus results.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	  No validation is done on the debugfs input. Invalid input could cause
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	  performance counter errors. Valid inputs are the values accepted by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	  the SET_SELECT bits of the PRFCNT_CONFIG register as defined in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	  architecture specification.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	  If unsure, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) config MALI_JOB_DUMP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	bool "Enable system level support needed for job dumping"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	  Choose this option to enable system level support needed for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	  job dumping. This is typically used for instrumentation but has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	  minimal overhead when not in use. Enable only if you know what
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 	  you are doing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) comment "Workarounds"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) config MALI_PWRSOFT_765
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	bool "Enable workaround for PWRSOFT-765"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	  PWRSOFT-765 fixes devfreq cooling devices issues. The fix was merged
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	  in kernel v4.10, however if backported into the kernel then this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	  option must be manually selected.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	  If using kernel >= v4.10 then say N, otherwise if devfreq cooling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	  changes have been backported say Y to avoid compilation errors.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) config MALI_HW_ERRATA_1485982_NOT_AFFECTED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 	bool "Disable workaround for BASE_HW_ISSUE_GPU2017_1336"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 	  This option disables the default workaround for GPU2017-1336. The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	  workaround keeps the L2 cache powered up except for powerdown and reset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	  The workaround introduces a limitation that will prevent the running of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	  protected mode content on fully coherent platforms, as the switch to IO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	  coherency mode requires the L2 to be turned off.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) config MALI_HW_ERRATA_1485982_USE_CLOCK_ALTERNATIVE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	bool "Use alternative workaround for BASE_HW_ISSUE_GPU2017_1336"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT && !MALI_HW_ERRATA_1485982_NOT_AFFECTED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	  This option uses an alternative workaround for GPU2017-1336. Lowering
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	  the GPU clock to a, platform specific, known good frequency before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	  powering down the L2 cache. The clock can be specified in the device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	  tree using the property, opp-mali-errata-1485982. Otherwise the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	  slowest clock will be selected.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) config MALI_ARBITRATION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	tristate "Enable Virtualization reference code"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 	depends on MALI_BIFROST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	  Enables the build of several reference modules used in the reference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	  virtualization setup for Mali
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	  If unsure, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) if MALI_ARBITRATION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) source "drivers/gpu/arm/bifrost/arbitration/Kconfig"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) # source "drivers/gpu/arm/bifrost/tests/Kconfig"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) endif