8ff1f792dd
Alex writes: "The big changes for 3.7 include: - Asynchronous VM page table updates for Cayman/SI - 2 level VM page table support. Saves memory compared to 1 level page tables. - Reworked PLL handing in the display code allows lots more combinations of monitors to work, including more than two DP displays assuming compatible clocks across shared PLLs. This also allows us to power down extra PLLs when we can share a single one across multiple displays which saves power. - Native backlight control on ATOMBIOS systems. - Improved ACPI support for interacting with the GPU. Fixes backlight control on some laptops. - Document AMD ACPI interfaces - Lots of code cleanup - Bug fixes" * 'drm-next-3.7' of git://people.freedesktop.org/~agd5f/linux: (79 commits) drm/radeon: add vm set_page() callback for SI drm/radeon: rework the vm_flush interface drm/radeon: use WRITE_DATA packets for vm flush on SI drm/radeon/pm: fix multi-head profile handling on BTC+ (v2) drm/radeon: fix radeon power state debug output drm/radeon: force MSIs on RS690 asics drm/radeon: Add MSI quirk for gateway RS690 drm/radeon: allow MIP_ADDRESS=0 for MSAA textures on Evergreen drm/radeon/kms: allow STRMOUT_BASE_UPDATE on RS780 and RS880 drm/radeon: add 2-level VM pagetables support v9 drm/radeon: refactor set_page chipset interface v5 drm/radeon: Fix scratch register leak in IB test. drm/radeon: restore backlight level on resume drm/radeon: add get_backlight_level callback drm/radeon: only adjust default clocks on NI GPUs drm/radeon: validate PPLL in crtc fixup drm/radeon: work around KMS modeset limitations in PLL allocation (v2) drm/radeon: make non-DP PPLL sharing more robust drm/radeon: store the encoder in the radeon_crtc drm/radeon: rework crtc pll setup to better support PPLL sharing ...
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* For the very latest on DRI development, please see: *
* http://dri.freedesktop.org/ *
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The Direct Rendering Manager (drm) is a device-independent kernel-level
device driver that provides support for the XFree86 Direct Rendering
Infrastructure (DRI).
The DRM supports the Direct Rendering Infrastructure (DRI) in four major
ways:
1. The DRM provides synchronized access to the graphics hardware via
the use of an optimized two-tiered lock.
2. The DRM enforces the DRI security policy for access to the graphics
hardware by only allowing authenticated X11 clients access to
restricted regions of memory.
3. The DRM provides a generic DMA engine, complete with multiple
queues and the ability to detect the need for an OpenGL context
switch.
4. The DRM is extensible via the use of small device-specific modules
that rely extensively on the API exported by the DRM module.
Documentation on the DRI is available from:
http://dri.freedesktop.org/wiki/Documentation
http://sourceforge.net/project/showfiles.php?group_id=387
http://dri.sourceforge.net/doc/
For specific information about kernel-level support, see:
The Direct Rendering Manager, Kernel Support for the Direct Rendering
Infrastructure
http://dri.sourceforge.net/doc/drm_low_level.html
Hardware Locking for the Direct Rendering Infrastructure
http://dri.sourceforge.net/doc/hardware_locking_low_level.html
A Security Analysis of the Direct Rendering Infrastructure
http://dri.sourceforge.net/doc/security_low_level.html