Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) # SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) config VGA_ARB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 	bool "VGA Arbitration" if EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 	depends on (PCI && !S390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 	  Some "legacy" VGA devices implemented on PCI typically have the same
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	  hard-decoded addresses as they did on ISA. When multiple PCI devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	  are accessed at same time they need some kind of coordination. Please
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	  see Documentation/gpu/vgaarbiter.rst for more details. Select this to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	  enable VGA arbiter.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) config VGA_ARB_MAX_GPUS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	int "Maximum number of GPUs"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	default 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	depends on VGA_ARB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	  Reserves space in the kernel to maintain resource locking for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	  multiple GPUS.  The overhead for each GPU is very small.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) config VGA_SWITCHEROO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	bool "Laptop Hybrid Graphics - GPU switching support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	depends on X86
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	depends on ACPI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	depends on PCI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	depends on (FRAMEBUFFER_CONSOLE=n || FB=y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	select VGA_ARB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	  Many laptops released in 2008/9/10 have two GPUs with a multiplexer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	  to switch between them. This adds support for dynamic switching when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	  X isn't running and delayed switching until the next logoff. This
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	  feature is called hybrid graphics, ATI PowerXpress, and Nvidia
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	  HybridPower.