On older GPUs, the vbios provided a special power state for performance operation. Thread starter Benetanegia Start date Dec 8, The default is the current set of stable power features. The amdgpu driver provides a sysfs API for adjusting what power levels are enabled for a given power state. This should be called when a page fault has been handled. It walks through the connector table and calls hotplug handler for each connector. The interfaces are also used internally by kernel clients, including gfx, uvd, etc.

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It accepts the following arguments:. Only affects non-DC display handling. Value 0 is invalidated, will be adjusted to Default value is 0, diabled. Find bo inside the requested vm.

This should be called when a page fault has been handled. Pinning means to lock pages in memory along with keeping them at a fixed offset.

Linux Kernel Driver DataBase: CONFIG_GART_IOMMU: Old AMD GART IOMMU support

This is only needed when running on an emulator. Set GPU scheduler timeout value in ms. When auto is selected, the driver will attempt to dynamically select the optimal power profile for current conditions in the driver.


For CIK asic, when radeon driver is enabled, set value 0 to use radeon driver, while set value 1 to use amdgpu driver. Default is HWS hardware scheduling with over-subscription.

It will be set like xxxx: The SMU firmware computes a percentage of load based on the aggregate activity level in the IP cores. So then please, don’t call your newly invented vehicle wheter it is a car, a truck, a motorcycle or a completely new thingVehicle. Provides a simpler API for buffers that do not have any strict restrictions on where a buffer must be located. TTM driver callback which is called when ttm moves a buffer.

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Default is not to send sigterm but just print errors on dmesg. I understand your confusion, but it’s not really all that confusing. Mainly amc for evicting vram at suspend time.

Override PCIE gen speed capabilities. It is used to reserve gtt for smu debug usage, setting value 0 to disable it.

For SI asic, when radeon driver is enabled, set value 0 to use radeon driver, while set value 1 to use amdgpu driver. Amdd is done by programming the device to work inside the “graphics aperture” memory region controlled by the GART, and then using the GART to translate this address to the real target address, above 4 GB. Retry is needed for recoverable page faults.


Used via GEM ioctl. Send sigterm to HSA process on unhandled exceptions.

Vart the driver output in the kernel log for the list of IPs on the asic. The work gets scheduled from the IRQ handler if there was a hotplug interrupt. Setting 1 disables over-subscription.

For coherent userptr handling registers an MMU notifier to inform the driver about updates on the page tables of a process. Gart memory linearizes non-contiguous pages amv system memory, allows GPU access system memory in a linezrized fashion. The default is 0 depending on gfx. Used by GEM ioctl or kernel driver to set the tiling flags on a buffer.

The amdgpu driver provides a sysfs API for uploading new powerplay tables. The default is 0 Skip benchmarks. Selecting performance switched to this state.