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      1 # SPDX-License-Identifier: GPL-2.0-only
      2 config DRM_NOUVEAU
      3 	tristate "Nouveau (NVIDIA) cards"
      4 	depends on DRM && PCI && MMU
      5 	select IOMMU_API
      6 	select FW_LOADER
      7 	select DRM_KMS_HELPER
      8 	select DRM_TTM
      9 	select BACKLIGHT_CLASS_DEVICE if DRM_NOUVEAU_BACKLIGHT
     10 	select ACPI_VIDEO if ACPI && X86 && BACKLIGHT_CLASS_DEVICE && INPUT
     11 	select X86_PLATFORM_DEVICES if ACPI && X86
     12 	select ACPI_WMI if ACPI && X86
     13 	select MXM_WMI if ACPI && X86
     14 	select POWER_SUPPLY
     15 	# Similar to i915, we need to select ACPI_VIDEO and it's dependencies
     16 	select BACKLIGHT_CLASS_DEVICE if ACPI && X86
     17 	select INPUT if ACPI && X86
     18 	select THERMAL if ACPI && X86
     19 	select ACPI_VIDEO if ACPI && X86
     20 	select SND_HDA_COMPONENT if SND_HDA_CORE
     21 	help
     22 	  Choose this option for open-source NVIDIA support.
     23 
     24 config NOUVEAU_LEGACY_CTX_SUPPORT
     25 	bool "Nouveau legacy context support"
     26 	depends on DRM_NOUVEAU
     27 	select DRM_LEGACY
     28 	default y
     29 	help
     30 	  There was a version of the nouveau DDX that relied on legacy
     31 	  ctx ioctls not erroring out. But that was back in time a long
     32 	  ways, so offer a way to disable it now. For uapi compat with
     33 	  old nouveau ddx this should be on by default, but modern distros
     34 	  should consider turning it off.
     35 
     36 config NOUVEAU_PLATFORM_DRIVER
     37 	bool "Nouveau (NVIDIA) SoC GPUs"
     38 	depends on DRM_NOUVEAU && ARCH_TEGRA
     39 	default y
     40 	help
     41 	  Support for Nouveau platform driver, used for SoC GPUs as found
     42 	  on NVIDIA Tegra K1.
     43 
     44 config NOUVEAU_DEBUG
     45 	int "Maximum debug level"
     46 	depends on DRM_NOUVEAU
     47 	range 0 7
     48 	default 5
     49 	help
     50 	  Selects the maximum debug level to compile support for.
     51 
     52 	  0 - fatal
     53 	  1 - error
     54 	  2 - warning
     55 	  3 - info
     56 	  4 - debug
     57 	  5 - trace (recommended)
     58 	  6 - paranoia
     59 	  7 - spam
     60 
     61 	  The paranoia and spam levels will add a lot of extra checks which
     62 	  may potentially slow down driver operation.
     63 
     64 config NOUVEAU_DEBUG_DEFAULT
     65 	int "Default debug level"
     66 	depends on DRM_NOUVEAU
     67 	range 0 7
     68 	default 3
     69 	help
     70 	  Selects the default debug level
     71 
     72 config NOUVEAU_DEBUG_MMU
     73 	bool "Enable additional MMU debugging"
     74 	depends on DRM_NOUVEAU
     75 	default n
     76 	help
     77 	  Say Y here if you want to enable verbose MMU debug output.
     78 
     79 config DRM_NOUVEAU_BACKLIGHT
     80 	bool "Support for backlight control"
     81 	depends on DRM_NOUVEAU
     82 	default y
     83 	help
     84 	  Say Y here if you want to control the backlight of your display
     85 	  (e.g. a laptop panel).
     86 
     87 config DRM_NOUVEAU_SVM
     88 	bool "(EXPERIMENTAL) Enable SVM (Shared Virtual Memory) support"
     89 	depends on DEVICE_PRIVATE
     90 	depends on DRM_NOUVEAU
     91 	depends on MMU
     92 	depends on STAGING
     93 	select HMM_MIRROR
     94 	select MMU_NOTIFIER
     95 	default n
     96 	help
     97 	  Say Y here if you want to enable experimental support for
     98 	  Shared Virtual Memory (SVM).
     99