ba4e7d973d
TTM is a GPU memory manager subsystem designed for use with GPU devices with various memory types (On-card VRAM, AGP, PCI apertures etc.). It's essentially a helper library that assists the DRM driver in creating and managing persistent buffer objects. TTM manages placement of data and CPU map setup and teardown on data movement. It can also optionally manage synchronization of data on a per-buffer-object level. TTM takes care to provide an always valid virtual user-space address to a buffer object which makes user-space sub-allocation of big buffer objects feasible. TTM uses a fine-grained per buffer-object locking scheme, taking care to release all relevant locks when waiting for the GPU. Although this implies some locking overhead, it's probably a big win for devices with multiple command submission mechanisms, since the lock contention will be minimal. TTM can be used with whatever user-space interface the driver chooses, including GEM. It's used by the upcoming Radeon KMS DRM driver and is also the GPU memory management core of various new experimental DRM drivers. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
139 lines
4.6 KiB
Text
139 lines
4.6 KiB
Text
#
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# Drm device configuration
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#
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# This driver provides support for the
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# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
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#
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menuconfig DRM
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tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
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depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG && MMU
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select I2C
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select I2C_ALGOBIT
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help
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Kernel-level support for the Direct Rendering Infrastructure (DRI)
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introduced in XFree86 4.0. If you say Y here, you need to select
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the module that's right for your graphics card from the list below.
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These modules provide support for synchronization, security, and
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DMA transfers. Please see <http://dri.sourceforge.net/> for more
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details. You should also select and configure AGP
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(/dev/agpgart) support.
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config DRM_TTM
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tristate "TTM memory manager"
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depends on DRM
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help
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GPU memory management subsystem for devices with multiple
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GPU memory types. Will be enabled automatically if a device driver
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uses it.
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config DRM_TDFX
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tristate "3dfx Banshee/Voodoo3+"
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depends on DRM && PCI
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help
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Choose this option if you have a 3dfx Banshee or Voodoo3 (or later),
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graphics card. If M is selected, the module will be called tdfx.
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config DRM_R128
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tristate "ATI Rage 128"
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depends on DRM && PCI
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help
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Choose this option if you have an ATI Rage 128 graphics card. If M
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is selected, the module will be called r128. AGP support for
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this card is strongly suggested (unless you have a PCI version).
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config DRM_RADEON
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tristate "ATI Radeon"
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depends on DRM && PCI
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help
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Choose this option if you have an ATI Radeon graphics card. There
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are both PCI and AGP versions. You don't need to choose this to
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run the Radeon in plain VGA mode.
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If M is selected, the module will be called radeon.
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config DRM_I810
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tristate "Intel I810"
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depends on DRM && AGP && AGP_INTEL
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help
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Choose this option if you have an Intel I810 graphics card. If M is
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selected, the module will be called i810. AGP support is required
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for this driver to work.
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choice
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prompt "Intel 830M, 845G, 852GM, 855GM, 865G"
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depends on DRM && AGP && AGP_INTEL
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optional
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config DRM_I830
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tristate "i830 driver"
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help
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Choose this option if you have a system that has Intel 830M, 845G,
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852GM, 855GM or 865G integrated graphics. If M is selected, the
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module will be called i830. AGP support is required for this driver
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to work. This driver is used by the older X releases X.org 6.7 and
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XFree86 4.3. If unsure, build this and i915 as modules and the X server
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will load the correct one.
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config DRM_I915
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tristate "i915 driver"
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select FB_CFB_FILLRECT
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select FB_CFB_COPYAREA
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select FB_CFB_IMAGEBLIT
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select FB
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select FRAMEBUFFER_CONSOLE if !EMBEDDED
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# i915 depends on ACPI_VIDEO when ACPI is enabled
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# but for select to work, need to select ACPI_VIDEO's dependencies, ick
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select VIDEO_OUTPUT_CONTROL if ACPI
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select BACKLIGHT_CLASS_DEVICE if ACPI
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select INPUT if ACPI
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select ACPI_VIDEO if ACPI
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help
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Choose this option if you have a system that has Intel 830M, 845G,
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852GM, 855GM 865G or 915G integrated graphics. If M is selected, the
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module will be called i915. AGP support is required for this driver
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to work. This driver is used by the Intel driver in X.org 6.8 and
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XFree86 4.4 and above. If unsure, build this and i830 as modules and
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the X server will load the correct one.
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config DRM_I915_KMS
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bool "Enable modesetting on intel by default"
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depends on DRM_I915
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help
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Choose this option if you want kernel modesetting enabled by default,
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and you have a new enough userspace to support this. Running old
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userspaces with this enabled will cause pain. Note that this causes
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the driver to bind to PCI devices, which precludes loading things
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like intelfb.
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endchoice
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config DRM_MGA
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tristate "Matrox g200/g400"
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depends on DRM
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help
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Choose this option if you have a Matrox G200, G400 or G450 graphics
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card. If M is selected, the module will be called mga. AGP
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support is required for this driver to work.
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config DRM_SIS
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tristate "SiS video cards"
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depends on DRM && AGP
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depends on FB_SIS || FB_SIS=n
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help
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Choose this option if you have a SiS 630 or compatible video
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chipset. If M is selected the module will be called sis. AGP
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support is required for this driver to work.
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config DRM_VIA
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tristate "Via unichrome video cards"
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depends on DRM
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help
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Choose this option if you have a Via unichrome or compatible video
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chipset. If M is selected the module will be called via.
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config DRM_SAVAGE
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tristate "Savage video cards"
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depends on DRM
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help
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Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister
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chipset. If M is selected the module will be called savage.
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