1config 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	# i915 depends on ACPI_VIDEO when ACPI is enabled
15	# but for select to work, need to select ACPI_VIDEO's dependencies, ick
16	select BACKLIGHT_LCD_SUPPORT if ACPI
17	select BACKLIGHT_CLASS_DEVICE if ACPI
18	select INPUT if ACPI
19	select ACPI_VIDEO if ACPI
20	select ACPI_BUTTON if ACPI
 
 
 
 
 
21	help
22	  Choose this option if you have a system that has "Intel Graphics
23	  Media Accelerator" or "HD Graphics" integrated graphics,
24	  including 830M, 845G, 852GM, 855GM, 865G, 915G, 945G, 965G,
25	  G35, G41, G43, G45 chipsets and Celeron, Pentium, Core i3,
26	  Core i5, Core i7 as well as Atom CPUs with integrated graphics.
27	  If M is selected, the module will be called i915.  AGP support
28	  is required for this driver to work. This driver is used by
29	  the Intel driver in X.org 6.8 and XFree86 4.4 and above. It
30	  replaces the older i830 module that supported a subset of the
31	  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
37config DRM_I915_PRELIMINARY_HW_SUPPORT
38	bool "Enable preliminary support for prerelease Intel hardware by default"
 
 
39	depends on DRM_I915
40	default n
41	help
42	  Choose this option if you have prerelease Intel hardware and want the
43	  i915 driver to support it by default.  You can enable such support at
44	  runtime with the module option i915.preliminary_hw_support=1; this
45	  option changes the default for that module option.
46
47	  If in doubt, say "N".
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
48
49config DRM_I915_USERPTR
50	bool "Always enable userptr support"
51	depends on DRM_I915
52	select MMU_NOTIFIER
53	default y
54	help
55	  This option selects CONFIG_MMU_NOTIFIER if it isn't already
56	  selected to enabled full userptr support.
57
58	  If in doubt, say "Y".

  1# SPDX-License-Identifier: GPL-2.0-only
  2config DRM_I915
  3	tristate "Intel 8xx/9xx/G3x/G4x/HD Graphics"
  4	depends on DRM
  5	depends on X86 && PCI
  6	select INTEL_GTT
  7	select INTERVAL_TREE
  8	# we need shmfs for the swappable backing store, and in particular
  9	# the shmem_readpage() which depends upon tmpfs
 10	select SHMEM
 11	select TMPFS
 12	select DRM_KMS_HELPER
 13	select DRM_PANEL
 14	select DRM_MIPI_DSI
 15	select RELAY
 16	select IRQ_WORK
 17	# i915 depends on ACPI_VIDEO when ACPI is enabled
 18	# but for select to work, need to select ACPI_VIDEO's dependencies, ick
 
 19	select BACKLIGHT_CLASS_DEVICE if ACPI
 20	select INPUT if ACPI
 21	select ACPI_VIDEO if ACPI
 22	select ACPI_BUTTON if ACPI
 23	select SYNC_FILE
 24	select IOSF_MBI
 25	select CRC32
 26	select SND_HDA_I915 if SND_HDA_CORE
 27	select CEC_CORE if CEC_NOTIFIER
 28	help
 29	  Choose this option if you have a system that has "Intel Graphics
 30	  Media Accelerator" or "HD Graphics" integrated graphics,
 31	  including 830M, 845G, 852GM, 855GM, 865G, 915G, 945G, 965G,
 32	  G35, G41, G43, G45 chipsets and Celeron, Pentium, Core i3,
 33	  Core i5, Core i7 as well as Atom CPUs with integrated graphics.
 34
 35	  This driver is used by the Intel driver in X.org 6.8 and
 36	  XFree86 4.4 and above. It replaces the older i830 module that
 37	  supported a subset of the hardware in older X.org releases.
 
 38
 39	  Note that the older i810/i815 chipsets require the use of the
 40	  i810 driver instead, and the Atom z5xx series has an entirely
 41	  different implementation.
 42
 43	  If "M" is selected, the module will be called i915.
 44
 45config DRM_I915_ALPHA_SUPPORT
 46	bool "Enable alpha quality support for new Intel hardware by default"
 47	depends on DRM_I915
 
 48	help
 49	  This option is deprecated. Use DRM_I915_FORCE_PROBE option instead.
 
 
 
 50
 51config DRM_I915_FORCE_PROBE
 52	string "Force probe driver for selected new Intel hardware"
 53	depends on DRM_I915
 54	default "*" if DRM_I915_ALPHA_SUPPORT
 55	help
 56	  This is the default value for the i915.force_probe module
 57	  parameter. Using the module parameter overrides this option.
 58
 59	  Force probe the driver for new Intel graphics devices that are
 60	  recognized but not properly supported by this kernel version. It is
 61	  recommended to upgrade to a kernel version with proper support as soon
 62	  as it is available.
 63
 64	  Use "" to disable force probe. If in doubt, use this.
 65
 66	  Use "<pci-id>[,<pci-id>,...]" to force probe the driver for listed
 67	  devices. For example, "4500" or "4500,4571".
 68
 69	  Use "*" to force probe the driver for all known devices.
 70
 71config DRM_I915_CAPTURE_ERROR
 72	bool "Enable capturing GPU state following a hang"
 73	depends on DRM_I915
 74	default y
 75	help
 76	  This option enables capturing the GPU state when a hang is detected.
 77	  This information is vital for triaging hangs and assists in debugging.
 78	  Please report any hang to
 79            https://bugs.freedesktop.org/enter_bug.cgi?product=DRI
 80	  for triaging.
 81
 82	  If in doubt, say "Y".
 83
 84config DRM_I915_COMPRESS_ERROR
 85	bool "Compress GPU error state"
 86	depends on DRM_I915_CAPTURE_ERROR
 87	select ZLIB_DEFLATE
 88	default y
 89	help
 90	  This option selects ZLIB_DEFLATE if it isn't already
 91	  selected and causes any error state captured upon a GPU hang
 92	  to be compressed using zlib.
 93
 94	  If in doubt, say "Y".
 95
 96config DRM_I915_USERPTR
 97	bool "Always enable userptr support"
 98	depends on DRM_I915
 99	select MMU_NOTIFIER
100	default y
101	help
102	  This option selects CONFIG_MMU_NOTIFIER if it isn't already
103	  selected to enabled full userptr support.
104
105	  If in doubt, say "Y".
106
107config DRM_I915_GVT
108        bool "Enable Intel GVT-g graphics virtualization host support"
109        depends on DRM_I915
110        depends on 64BIT
111        default n
112        help
113	  Choose this option if you want to enable Intel GVT-g graphics
114	  virtualization technology host support with integrated graphics.
115	  With GVT-g, it's possible to have one integrated graphics
116	  device shared by multiple VMs under different hypervisors.
117
118	  Note that at least one hypervisor like Xen or KVM is required for
119	  this driver to work, and it only supports newer device from
120	  Broadwell+. For further information and setup guide, you can
121	  visit: http://01.org/igvt-g.
122
123	  Now it's just a stub to support the modifications of i915 for
124	  GVT device model. It requires at least one MPT modules for Xen/KVM
125	  and other components of GVT device model to work. Use it under
126	  you own risk.
127
128	  If in doubt, say "N".
129
130config DRM_I915_GVT_KVMGT
131	tristate "Enable KVM/VFIO support for Intel GVT-g"
132	depends on DRM_I915_GVT
133	depends on KVM
134	depends on VFIO_MDEV && VFIO_MDEV_DEVICE
135	default n
136	help
137	  Choose this option if you want to enable KVMGT support for
138	  Intel GVT-g.
139
140menu "drm/i915 Debugging"
141depends on DRM_I915
142depends on EXPERT
143source "drivers/gpu/drm/i915/Kconfig.debug"
144endmenu
145
146menu "drm/i915 Profile Guided Optimisation"
147	visible if EXPERT
148	depends on DRM_I915
149	source "drivers/gpu/drm/i915/Kconfig.profile"
150endmenu