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2023-12-06 08f87f769b595151be1afeff53e144f543faa614 
 kernel/drivers/gpu/arm/bifrost/Kconfig
....@@ -1,6 +1,6 @@
11 # SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
22 #
3
-# (C) COPYRIGHT 2012-2021 ARM Limited. All rights reserved.
3
+# (C) COPYRIGHT 2012-2023 ARM Limited. All rights reserved.
44 #
55 # This program is free software and is provided to you under the terms of the
66 # GNU General Public License version 2 as published by the Free Software
....@@ -22,8 +22,7 @@
2222 	tristate "Mali Bifrost series support"
2323 	select GPU_TRACEPOINTS if ANDROID
2424 	select DMA_SHARED_BUFFER
25
-	select PM_DEVFREQ
26
-	select DEVFREQ_THERMAL
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+	select FW_LOADER
2726 	default n
2827 	help
2928 	  Enable this option to build support for a ARM Mali Bifrost GPU.
....@@ -39,20 +38,40 @@
3938 	default "devicetree"
4039 	help
4140 	  Enter the name of the desired platform configuration directory to
42
-	  include in the build. 'platform/$(MALI_PLATFORM_NAME)/Makefile' must
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+	  include in the build. 'platform/$(MALI_PLATFORM_NAME)/Kbuild' must
4342 	  exist.
4443 
45
-config MALI_REAL_HW
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+choice
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+	prompt "Mali HW backend"
4646 	depends on MALI_BIFROST
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-	def_bool !MALI_BIFROST_NO_MALI
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+	default MALI_REAL_HW
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+
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+config MALI_REAL_HW
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+	bool "Enable build of Mali kernel driver for real HW"
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+	depends on MALI_BIFROST
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+	help
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+	  This is the default HW backend.
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+
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+config MALI_BIFROST_NO_MALI
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+	bool "Enable build of Mali kernel driver for No Mali"
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+	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
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+	help
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+	  This can be used to test the driver in a simulated environment
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+	  whereby the hardware is not physically present. If the hardware is physically
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+	  present it will not be used. This can be used to test the majority of the
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+	  driver without needing actual hardware or for software benchmarking.
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+	  All calls to the simulated hardware will complete immediately as if the hardware
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+	  completed the task.
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+
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+
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+endchoice
4868 
4969 menu "Platform specific options"
50
-source "drivers/gpu/arm/midgard/platform/Kconfig"
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+source "drivers/gpu/arm/bifrost/platform/Kconfig"
5171 endmenu
5272 
5373 config MALI_CSF_SUPPORT
5474 	bool "Enable Mali CSF based GPU support"
55
-	depends on MALI_BIFROST=m
5675 	default n
5776 	help
5877 	  Enables support for CSF based GPUs.
....@@ -93,16 +112,6 @@
93112 	  Enables tracing in kbase. Trace log available through
94113 	  the "mali_trace" debugfs file, when the CONFIG_DEBUG_FS is enabled
95114 
96
-config MALI_BIFROST_DMA_FENCE
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-	bool "Enable DMA_BUF fence support for Mali"
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-	depends on MALI_BIFROST
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-	default n
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-	help
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-	  Support DMA_BUF fences for Mali.
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-
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-	  This option should only be enabled if the Linux Kernel has built in
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-	  support for DMA_BUF fences.
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-
106115 config MALI_ARBITER_SUPPORT
107116 	bool "Enable arbiter support for Mali"
108117 	depends on MALI_BIFROST && !MALI_CSF_SUPPORT
....@@ -119,7 +128,7 @@
119128 	depends on MALI_BIFROST
120129 	default n
121130 	help
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-	  This option caused kbase to set up the GPU mapping of imported
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+	  This option will cause kbase to set up the GPU mapping of imported
123132 	  dma-buf when needed to run atoms. This is the legacy behavior.
124133 
125134 	  This is intended for testing and the option will get removed in the
....@@ -139,6 +148,11 @@
139148 	  flushes in other drivers. This only has an effect for clients using
140149 	  UK 11.18 or older. For later UK versions it is not possible.
141150 
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+config MALI_CORESIGHT
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+	depends on MALI_BIFROST && MALI_CSF_SUPPORT && !MALI_BIFROST_NO_MALI
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+	bool "Enable Kbase CoreSight tracing support"
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+	default n
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+
142156 menuconfig MALI_BIFROST_EXPERT
143157 	depends on MALI_BIFROST
144158 	bool "Enable Expert Settings"
....@@ -149,7 +163,19 @@
149163 
150164 if MALI_BIFROST_EXPERT
151165 
152
-config MALI_2MB_ALLOC
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+config LARGE_PAGE_ALLOC_OVERRIDE
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+	bool "Override default setting of 2MB pages"
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+	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
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+	default n
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+	help
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+	  An override config for LARGE_PAGE_ALLOC config.
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+	  When LARGE_PAGE_ALLOC_OVERRIDE is Y, 2MB page allocation will be
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+	  enabled by LARGE_PAGE_ALLOC. When this is N, the feature will be
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+	  enabled when GPU HW satisfies requirements.
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+
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+	  If in doubt, say N
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+
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+config LARGE_PAGE_ALLOC
153179 	bool "Attempt to allocate 2MB pages"
154180 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
155181 	default n
....@@ -157,6 +183,10 @@
157183 	  Rather than allocating all GPU memory page-by-page, attempt to
158184 	  allocate 2MB pages from the kernel. This reduces TLB pressure and
159185 	  helps to prevent memory fragmentation.
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+
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+	  Note this config applies only when LARGE_PAGE_ALLOC_OVERRIDE config
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+	  is enabled and enabling this on a GPU HW that does not satisfy
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+	  requirements can cause serious problem.
160190 
161191 	  If in doubt, say N
162192 
....@@ -186,32 +216,12 @@
186216 comment "Platform options"
187217 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
188218 
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-config MALI_BIFROST_NO_MALI
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-	bool "Enable No Mali"
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-	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
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-	default n
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-	help
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-	  This can be used to test the driver in a simulated environment
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-	  whereby the hardware is not physically present. If the hardware is physically
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-	  present it will not be used. This can be used to test the majority of the
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-	  driver without needing actual hardware or for software benchmarking.
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-	  All calls to the simulated hardware will complete immediately as if the hardware
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-	  completed the task.
200
-
201219 config MALI_BIFROST_ERROR_INJECT
202220 	bool "Enable No Mali error injection"
203221 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT && MALI_BIFROST_NO_MALI
204222 	default n
205223 	help
206224 	  Enables insertion of errors to test module failure and recovery mechanisms.
207
-
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-config MALI_GEM5_BUILD
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-	bool "Enable build of Mali kernel driver for GEM5"
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-	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
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-	default n
212
-	help
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-	  This option is to do a Mali GEM5 build.
214
-	  If unsure, say N.
215225 
216226 comment "Debug options"
217227 	depends on MALI_BIFROST && MALI_BIFROST_EXPERT
....@@ -225,7 +235,7 @@
225235 
226236 config MALI_BIFROST_FENCE_DEBUG
227237 	bool "Enable debug sync fence usage"
228
-	depends on MALI_BIFROST && MALI_BIFROST_EXPERT && (SYNC || SYNC_FILE)
238
+	depends on MALI_BIFROST && MALI_BIFROST_EXPERT && SYNC_FILE
229239 	default y if MALI_BIFROST_DEBUG
230240 	help
231241 	  Select this option to enable additional checking and reporting on the
....@@ -365,7 +375,7 @@
365375 endif
366376 
367377 config MALI_ARBITRATION
368
-	bool "Enable Virtualization reference code"
378
+	tristate "Enable Virtualization reference code"
369379 	depends on MALI_BIFROST
370380 	default n
371381 	help
....@@ -373,6 +383,7 @@
373383 	  virtualization setup for Mali
374384 	  If unsure, say N.
375385 
376
-source "drivers/gpu/arm/midgard/tests/Kconfig"
386
+
387
+# source "drivers/gpu/arm/bifrost/tests/Kconfig"
377388 
378389 endif