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Linux/drivers/gpu/drm/i915/Kconfig

  1 config DRM_I915
  2         tristate "Intel 8xx/9xx/G3x/G4x/HD Graphics"
  3         depends on DRM
  4         depends on X86 && PCI
  5         select INTEL_GTT
  6         select INTERVAL_TREE
  7         # we need shmfs for the swappable backing store, and in particular
  8         # the shmem_readpage() which depends upon tmpfs
  9         select SHMEM
 10         select TMPFS
 11         select DRM_KMS_HELPER
 12         select DRM_PANEL
 13         select DRM_MIPI_DSI
 14         select RELAY
 15         # i915 depends on ACPI_VIDEO when ACPI is enabled
 16         # but for select to work, need to select ACPI_VIDEO's dependencies, ick
 17         select BACKLIGHT_LCD_SUPPORT if ACPI
 18         select BACKLIGHT_CLASS_DEVICE if ACPI
 19         select INPUT if ACPI
 20         select ACPI_VIDEO if ACPI
 21         select ACPI_BUTTON if ACPI
 22         help
 23           Choose this option if you have a system that has "Intel Graphics
 24           Media Accelerator" or "HD Graphics" integrated graphics,
 25           including 830M, 845G, 852GM, 855GM, 865G, 915G, 945G, 965G,
 26           G35, G41, G43, G45 chipsets and Celeron, Pentium, Core i3,
 27           Core i5, Core i7 as well as Atom CPUs with integrated graphics.
 28 
 29           This driver is used by the Intel driver in X.org 6.8 and
 30           XFree86 4.4 and above. It replaces the older i830 module that
 31           supported a subset of the hardware in older X.org releases.
 32 
 33           Note that the older i810/i815 chipsets require the use of the
 34           i810 driver instead, and the Atom z5xx series has an entirely
 35           different implementation.
 36 
 37           If "M" is selected, the module will be called i915.
 38 
 39 config DRM_I915_ALPHA_SUPPORT
 40         bool "Enable alpha quality support for new Intel hardware by default"
 41         depends on DRM_I915
 42         default n
 43         help
 44           Choose this option if you have new Intel hardware and want to enable
 45           the alpha quality i915 driver support for the hardware in this kernel
 46           version. You can also enable the support at runtime using the module
 47           parameter i915.alpha_support=1; this option changes the default for
 48           that module parameter.
 49 
 50           It is recommended to upgrade to a kernel version with proper support
 51           as soon as it is available. Generally fixes for platforms with alpha
 52           support are not backported to older kernels.
 53 
 54           If in doubt, say "N".
 55 
 56 config DRM_I915_CAPTURE_ERROR
 57         bool "Enable capturing GPU state following a hang"
 58         depends on DRM_I915
 59         default y
 60         help
 61           This option enables capturing the GPU state when a hang is detected.
 62           This information is vital for triaging hangs and assists in debugging.
 63           Please report any hang to
 64             https://bugs.freedesktop.org/enter_bug.cgi?product=DRI
 65           for triaging.
 66 
 67           If in doubt, say "Y".
 68 
 69 config DRM_I915_COMPRESS_ERROR
 70         bool "Compress GPU error state"
 71         depends on DRM_I915_CAPTURE_ERROR
 72         select ZLIB_DEFLATE
 73         default y
 74         help
 75           This option selects ZLIB_DEFLATE if it isn't already
 76           selected and causes any error state captured upon a GPU hang
 77           to be compressed using zlib.
 78 
 79           If in doubt, say "Y".
 80 
 81 config DRM_I915_USERPTR
 82         bool "Always enable userptr support"
 83         depends on DRM_I915
 84         select MMU_NOTIFIER
 85         default y
 86         help
 87           This option selects CONFIG_MMU_NOTIFIER if it isn't already
 88           selected to enabled full userptr support.
 89 
 90           If in doubt, say "Y".
 91 
 92 config DRM_I915_GVT
 93         bool "Enable Intel GVT-g graphics virtualization host support"
 94         depends on DRM_I915
 95         depends on 64BIT
 96         default n
 97         help
 98           Choose this option if you want to enable Intel GVT-g graphics
 99           virtualization technology host support with integrated graphics.
100           With GVT-g, it's possible to have one integrated graphics
101           device shared by multiple VMs under different hypervisors.
102 
103           Note that at least one hypervisor like Xen or KVM is required for
104           this driver to work, and it only supports newer device from
105           Broadwell+. For further information and setup guide, you can
106           visit: http://01.org/igvt-g.
107 
108           Now it's just a stub to support the modifications of i915 for
109           GVT device model. It requires at least one MPT modules for Xen/KVM
110           and other components of GVT device model to work. Use it under
111           you own risk.
112 
113           If in doubt, say "N".
114 
115 config DRM_I915_GVT_KVMGT
116         tristate "Enable KVM/VFIO support for Intel GVT-g"
117         depends on DRM_I915_GVT
118         depends on KVM
119         depends on VFIO_MDEV && VFIO_MDEV_DEVICE
120         default n
121         help
122           Choose this option if you want to enable KVMGT support for
123           Intel GVT-g.
124 
125 menu "drm/i915 Debugging"
126 depends on DRM_I915
127 depends on EXPERT
128 source drivers/gpu/drm/i915/Kconfig.debug
129 endmenu

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