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	select VMAP_PFN
 29	select DRM_TTM
 
 
 30	help
 31	  Choose this option if you have a system that has "Intel Graphics
 32	  Media Accelerator" or "HD Graphics" integrated graphics,
 33	  including 830M, 845G, 852GM, 855GM, 865G, 915G, 945G, 965G,
 34	  G35, G41, G43, G45 chipsets and Celeron, Pentium, Core i3,
 35	  Core i5, Core i7 as well as Atom CPUs with integrated graphics.
 36
 37	  This driver is used by the Intel driver in X.org 6.8 and
 38	  XFree86 4.4 and above. It replaces the older i830 module that
 39	  supported a subset of the hardware in older X.org releases.
 40
 41	  Note that the older i810/i815 chipsets require the use of the
 42	  i810 driver instead, and the Atom z5xx series has an entirely
 43	  different implementation.
 44
 45	  If "M" is selected, the module will be called i915.
 46
 47config DRM_I915_FORCE_PROBE
 48	string "Force probe driver for selected new Intel hardware"
 49	depends on DRM_I915
 50	help
 51	  This is the default value for the i915.force_probe module
 52	  parameter. Using the module parameter overrides this option.
 53
 54	  Force probe the driver for new Intel graphics devices that are
 55	  recognized but not properly supported by this kernel version. It is
 56	  recommended to upgrade to a kernel version with proper support as soon
 57	  as it is available.
 
 
 
 
 58
 59	  Use "" to disable force probe. If in doubt, use this.
 60
 61	  Use "<pci-id>[,<pci-id>,...]" to force probe the driver for listed
 62	  devices. For example, "4500" or "4500,4571".
 63
 64	  Use "*" to force probe the driver for all known devices.
 
 
 
 
 
 
 
 65
 66config DRM_I915_CAPTURE_ERROR
 67	bool "Enable capturing GPU state following a hang"
 68	depends on DRM_I915
 69	default y
 70	help
 71	  This option enables capturing the GPU state when a hang is detected.
 72	  This information is vital for triaging hangs and assists in debugging.
 73	  Please report any hang for triaging according to:
 74	    https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs
 75
 76	  If in doubt, say "Y".
 77
 78config DRM_I915_COMPRESS_ERROR
 79	bool "Compress GPU error state"
 80	depends on DRM_I915_CAPTURE_ERROR
 81	select ZLIB_DEFLATE
 82	default y
 83	help
 84	  This option selects ZLIB_DEFLATE if it isn't already
 85	  selected and causes any error state captured upon a GPU hang
 86	  to be compressed using zlib.
 87
 88	  If in doubt, say "Y".
 89
 90config DRM_I915_USERPTR
 91	bool "Always enable userptr support"
 92	depends on DRM_I915
 93	select MMU_NOTIFIER
 94	default y
 95	help
 96	  This option selects CONFIG_MMU_NOTIFIER if it isn't already
 97	  selected to enabled full userptr support.
 98
 99	  If in doubt, say "Y".
100
101config DRM_I915_GVT
102	bool "Enable Intel GVT-g graphics virtualization host support"
103	depends on DRM_I915
 
104	depends on 64BIT
105	default n
 
 
 
 
 
106	help
107	  Choose this option if you want to enable Intel GVT-g graphics
108	  virtualization technology host support with integrated graphics.
109	  With GVT-g, it's possible to have one integrated graphics
110	  device shared by multiple VMs under different hypervisors.
111
112	  Note that at least one hypervisor like Xen or KVM is required for
113	  this driver to work, and it only supports newer device from
114	  Broadwell+. For further information and setup guide, you can
115	  visit: http://01.org/igvt-g.
116
117	  Now it's just a stub to support the modifications of i915 for
118	  GVT device model. It requires at least one MPT modules for Xen/KVM
119	  and other components of GVT device model to work. Use it under
120	  you own risk.
121
122	  If in doubt, say "N".
123
124config DRM_I915_GVT_KVMGT
125	tristate "Enable KVM/VFIO support for Intel GVT-g"
126	depends on DRM_I915_GVT
127	depends on KVM
128	depends on VFIO_MDEV
129	default n
130	help
131	  Choose this option if you want to enable KVMGT support for
132	  Intel GVT-g.
 
 
133
134menu "drm/i915 Debugging"
135depends on DRM_I915
136depends on EXPERT
137source "drivers/gpu/drm/i915/Kconfig.debug"
138endmenu
139
140menu "drm/i915 Profile Guided Optimisation"
141	visible if EXPERT
142	depends on DRM_I915
143	source "drivers/gpu/drm/i915/Kconfig.profile"
144endmenu
145
146menu "drm/i915 Unstable Evolution"
147	visible if EXPERT && STAGING && BROKEN
148	depends on DRM_I915
149	source "drivers/gpu/drm/i915/Kconfig.unstable"
150endmenu

  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	depends on !PREEMPT_RT
  7	select INTEL_GTT if X86
  8	select INTERVAL_TREE
  9	# we need shmfs for the swappable backing store, and in particular
 10	# the shmem_readpage() which depends upon tmpfs
 11	select SHMEM
 12	select TMPFS
 13	select DRM_DISPLAY_DP_HELPER
 14	select DRM_DISPLAY_HDCP_HELPER
 15	select DRM_DISPLAY_HDMI_HELPER
 16	select DRM_DISPLAY_HELPER
 17	select DRM_KMS_HELPER
 18	select DRM_PANEL
 19	select DRM_MIPI_DSI
 20	select FB_IOMEM_HELPERS if DRM_FBDEV_EMULATION
 21	select RELAY
 22	select I2C
 23	select I2C_ALGOBIT
 24	select IRQ_WORK
 25	# i915 depends on ACPI_VIDEO when ACPI is enabled
 26	# but for select to work, need to select ACPI_VIDEO's dependencies, ick
 27	select BACKLIGHT_CLASS_DEVICE if ACPI
 28	select INPUT if ACPI
 29	select X86_PLATFORM_DEVICES if ACPI
 30	select ACPI_WMI if ACPI
 31	select ACPI_VIDEO if ACPI
 32	select ACPI_BUTTON if ACPI
 33	select SYNC_FILE
 34	select IOSF_MBI if X86
 35	select CRC32
 36	select SND_HDA_I915 if SND_HDA_CORE
 37	select CEC_CORE if CEC_NOTIFIER
 38	select VMAP_PFN
 39	select DRM_TTM
 40	select DRM_BUDDY
 41	select AUXILIARY_BUS
 42	help
 43	  Choose this option if you have a system that has "Intel Graphics
 44	  Media Accelerator" or "HD Graphics" integrated graphics,
 45	  including 830M, 845G, 852GM, 855GM, 865G, 915G, 945G, 965G,
 46	  G35, G41, G43, G45 chipsets and Celeron, Pentium, Core i3,
 47	  Core i5, Core i7 as well as Atom CPUs with integrated graphics.
 48
 49	  This driver is used by the Intel driver in X.org 6.8 and
 50	  XFree86 4.4 and above. It replaces the older i830 module that
 51	  supported a subset of the hardware in older X.org releases.
 52
 53	  Note that the older i810/i815 chipsets require the use of the
 54	  i810 driver instead, and the Atom z5xx series has an entirely
 55	  different implementation.
 56
 57	  If "M" is selected, the module will be called i915.
 58
 59config DRM_I915_FORCE_PROBE
 60	string "Force probe i915 for selected Intel hardware IDs"
 61	depends on DRM_I915
 62	help
 63	  This is the default value for the i915.force_probe module
 64	  parameter. Using the module parameter overrides this option.
 65
 66	  Force probe the i915 driver for Intel graphics devices that are
 67	  recognized but not properly supported by this kernel version. Force
 68	  probing an unsupported device taints the kernel. It is recommended to
 69	  upgrade to a kernel version with proper support as soon as it is
 70	  available.
 71
 72	  It can also be used to block the probe of recognized and fully
 73	  supported devices.
 74
 75	  Use "" to disable force probe. If in doubt, use this.
 76
 77	  Use "<pci-id>[,<pci-id>,...]" to force probe the i915 for listed
 78	  devices. For example, "4500" or "4500,4571".
 79
 80	  Use "*" to force probe the driver for all known devices. Not
 81	  recommended.
 82
 83	  Use "!" right before the ID to block the probe of the device. For
 84	  example, "4500,!4571" forces the probe of 4500 and blocks the probe of
 85	  4571.
 86
 87	  Use "!*" to block the probe of the driver for all known devices.
 88
 89config DRM_I915_CAPTURE_ERROR
 90	bool "Enable capturing GPU state following a hang"
 91	depends on DRM_I915
 92	default y
 93	help
 94	  This option enables capturing the GPU state when a hang is detected.
 95	  This information is vital for triaging hangs and assists in debugging.
 96	  Please report any hang for triaging according to:
 97	    https://drm.pages.freedesktop.org/intel-docs/how-to-file-i915-bugs.html
 98
 99	  If in doubt, say "Y".
100
101config DRM_I915_COMPRESS_ERROR
102	bool "Compress GPU error state"
103	depends on DRM_I915_CAPTURE_ERROR
104	select ZLIB_DEFLATE
105	default y
106	help
107	  This option selects ZLIB_DEFLATE if it isn't already
108	  selected and causes any error state captured upon a GPU hang
109	  to be compressed using zlib.
110
111	  If in doubt, say "Y".
112
113config DRM_I915_USERPTR
114	bool "Always enable userptr support"
115	depends on DRM_I915
116	select MMU_NOTIFIER
117	default y
118	help
119	  This option selects CONFIG_MMU_NOTIFIER if it isn't already
120	  selected to enabled full userptr support.
121
122	  If in doubt, say "Y".
123
124config DRM_I915_GVT_KVMGT
125	tristate "Enable KVM host support Intel GVT-g graphics virtualization"
126	depends on DRM_I915
127	depends on X86
128	depends on 64BIT
129	depends on KVM
130	depends on VFIO
131	select DRM_I915_GVT
132	select KVM_EXTERNAL_WRITE_TRACKING
133	select VFIO_MDEV
134
135	help
136	  Choose this option if you want to enable Intel GVT-g graphics
137	  virtualization technology host support with integrated graphics.
138	  With GVT-g, it's possible to have one integrated graphics
139	  device shared by multiple VMs under KVM.
140
141	  Note that this driver only supports newer device from Broadwell on.
142	  For further information and setup guide, you can visit:
143	  https://github.com/intel/gvt-linux/wiki.
 
 
 
 
 
 
144
145	  If in doubt, say "N".
146
147config DRM_I915_PXP
148	bool "Enable Intel PXP support"
149	depends on DRM_I915
150	depends on INTEL_MEI && INTEL_MEI_PXP
 
151	default n
152	help
153	  PXP (Protected Xe Path) is an i915 component, available on graphics
154	  version 12 and newer GPUs, that helps to establish the hardware
155	  protected session and manage the status of the alive software session,
156	  as well as its life cycle.
157
158menu "drm/i915 Debugging"
159depends on DRM_I915
160depends on EXPERT
161source "drivers/gpu/drm/i915/Kconfig.debug"
162endmenu
163
164menu "drm/i915 Profile Guided Optimisation"
165	visible if EXPERT
166	depends on DRM_I915
167	source "drivers/gpu/drm/i915/Kconfig.profile"
168endmenu
169
170config DRM_I915_GVT
171	bool