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* vgaarb: Provide dummy default device functionsMatthew Garrett2012-05-031-0/+5
| | | | | | | Add some stub functions for the case where CONFIG_VGA_ARB is disabled. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
* Merge tag 'drm-intel-next-2012-04-23' of ↵Dave Airlie2012-05-021-0/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://people.freedesktop.org/~danvet/drm-intel into drm-core-next Daniel Vetter writes: A new drm-intel-next pull. Highlights: - More gmbus patches from Daniel Kurtz, I think gmbus is now ready, all known issues fixed. - Fencing cleanup and pipelined fencing removal from Chris. - rc6 residency interface from Ben, useful for powertop. - Cleanups and code reorg around the ringbuffer code (Ben&me). - Use hw semaphores in the pageflip code from Ben. - More vlv stuff from Jesse, unfortunately his vlv cpu is doa, so less merged than I've hoped for - we still have the unused function warning :( - More hsw patches from Eugeni, again, not yet enabled fully. - intel_pm.c refactoring from Eugeni. - Ironlake sprite support from Chris. - And various smaller improvements/fixes all over the place. Note that this pull request also contains a backmerge of -rc3 to sort out a few things in -next. I've also had to frob the shortlog a bit to exclude anything that -rc3 brings in with this pull. Regression wise we have a few strange bugs going on, but for all of them closer inspection revealed that they've been pre-existing, just now slightly more likely to be hit. And for most of them we have a patch already. Otherwise QA has not reported any regressions, and I'm also not aware of anything bad happening in 3.4. * tag 'drm-intel-next-2012-04-23' of git://people.freedesktop.org/~danvet/drm-intel: (420 commits) drm/i915: rc6 residency (fix the fix) drm/i915/tv: fix open-coded ARRAY_SIZE. drm/i915: invalidate render cache on gen2 drm/i915: Silence the change of LVDS sync polarity drm/i915: add generic power management initialization drm/i915: move clock gating functionality into intel_pm module drm/i915: move emon functionality into intel_pm module drm/i915: move drps, rps and rc6-related functions to intel_pm drm/i915: fix line breaks in intel_pm drm/i915: move watermarks settings into intel_pm module drm/i915: move fbc-related functionality into intel_pm module drm/i915: Refactor get_fence() to use the common fence writing routine drm/i915: Refactor fence clearing to use the common fence writing routine drm/i915: Refactor put_fence() to use the common fence writing routine drm/i915: Prepare to consolidate fence writing drm/i915: Remove the unsightly "optimisation" from flush_fence() drm/i915: Simplify fence finding drm/i915: Discard the unused obj->last_fenced_ring drm/i915: Remove unused ring->setup_seqno drm/i915: Remove fence pipelining ...
| * vgaarb.h: fix build warningsRandy Dunlap2012-04-111-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix build warnings by providing a struct stub since no fields of the struct are used: include/linux/vgaarb.h:66:9: warning: 'struct pci_dev' declared inside parameter list include/linux/vgaarb.h:66:9: warning: its scope is only this definition or declaration, which is probably not what you want include/linux/vgaarb.h:99:34: warning: 'struct pci_dev' declared inside parameter list include/linux/vgaarb.h:109:6: warning: 'struct pci_dev' declared inside parameter list include/linux/vgaarb.h:121:8: warning: 'struct pci_dev' declared inside parameter list include/linux/vgaarb.h:140:37: warning: 'struct pci_dev' declared inside parameter list Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
* | vgaarb: Add support for setting the default video device (v2)Matthew Garrett2012-04-241-0/+2
|/ | | | | | | | | | | | | | | The default VGA device is a somewhat fluid concept on platforms with multiple GPUs. Add support for setting it so switching code can update things appropriately, and make sure that the sysfs code returns the right device if it's changed. v2: Updated to fix builds when __ARCH_HAS_VGA_DEFAULT_DEVICE is false. Signed-off-by: Matthew Garrett <mjg@redhat.com> Acked-by: H. Peter Anvin <hpa@zytor.com> Acked-by: benh@kernel.crashing.org Cc: airlied@redhat.com Signed-off-by: Dave Airlie <airlied@redhat.com>
* Fix common misspellingsLucas De Marchi2011-03-311-2/+2
| | | | | | Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
* vgaarb: Wrap vga_(get|put) in CONFIG_VGA_ARBChris Wilson2010-08-271-2/+13
| | | | | | | | | Fix link failure without the vga arbitrator. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Dave Airlie <airlied@redhat.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
* vgaarb: drop vga.h includeDave Airlie2010-08-121-1/+0
| | | | | | | | | We don't actually need this include on any platform. built on powerpc + x86, reported on m68k. Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
* include/linux/vgaarb.h: add missing part of include guardDoug Goldstein2010-07-211-0/+1
| | | | | | | | | | | vgaarb.h was missing the #define of the #ifndef at the top for the guard to prevent multiple #include's from causing re-define errors Signed-off-by: Doug Goldstein <cardoe@gentoo.org> Cc: Dave Airlie <airlied@redhat.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
* vgaarb: use MIT licenseTiago Vignatti2010-06-031-0/+21
| | | | | | Signed-off-by: Tiago Vignatti <tiago.vignatti@nokia.com> Cc: Henry Zhao <Henry.Zhao@Sun.COM> Signed-off-by: Dave Airlie <airlied@redhat.com>
* Merge branch 'linux-next' of ↵Linus Torvalds2009-09-241-1/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (21 commits) x86/PCI: make 32 bit NUMA node array int, not unsigned char x86/PCI: default pcibus cpumask to all cpus if it lacks affinity MAINTAINTERS: remove hotplug driver entries PCI: pciehp: remove slot capabilities definitions PCI: pciehp: remove error message definitions PCI: pciehp: remove number field PCI: pciehp: remove hpc_ops PCI: pciehp: remove pci_dev field PCI: pciehp: remove crit_sect mutex PCI: pciehp: remove slot_bus field PCI: pciehp: remove first_slot field PCI: pciehp: remove slot_device_offset field PCI: pciehp: remove hp_slot field PCI: pciehp: remove device field PCI: pciehp: remove bus field PCI: pciehp: remove slot_num_inc field PCI: pciehp: remove num_slots field PCI: pciehp: remove slot_list field PCI: fix VGA arbiter header file PCI: Disable AER with pci=nomsi ... Fixed up trivial conflicts in MAINTAINERS
| * PCI: fix VGA arbiter header fileJesse Barnes2009-09-171-1/+2
| | | | | | | | | | | | | | | | Remove reference to vgaarb.c and replace it with a comment about the arbiter itself. Reported-by: Tiago Vignatti <tiago.vignatti@nokia.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
* | vgaarb: make client interface config invariant.Ingo Molnar2009-09-231-1/+10
|/ | | | | | | | Fixes build when VGA_ARB is off. Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Dave Airlie <airlied@redhat.com>
* PCI/vgaarb: cleanup some warnings + cleanup some comments.Dave Airlie2009-09-091-22/+27
| | | | | | | | Fix some warnings reported in linux-next + also cleanup some comment errors noticed by Pekka Paalanen. Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
* PCI/GPU: implement VGA arbitration on LinuxBenjamin Herrenschmidt2009-09-091-0/+195
Background: Graphic devices are accessed through ranges in I/O or memory space. While most modern devices allow relocation of such ranges, some "Legacy" VGA devices implemented on PCI will typically have the same "hard-decoded" addresses as they did on ISA. For more details see "PCI Bus Binding to IEEE Std 1275-1994 Standard for Boot (Initialization Configuration) Firmware Revision 2.1" Section 7, Legacy Devices. The Resource Access Control (RAC) module inside the X server currently does the task of arbitration when more than one legacy device co-exists on the same machine. But the problem happens when these devices are trying to be accessed by different userspace clients (e.g. two server in parallel). Their address assignments conflict. Therefore an arbitration scheme _outside_ of the X server is needed to control the sharing of these resources. This document introduces the operation of the VGA arbiter implemented for Linux kernel. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Tiago Vignatti <tiago.vignatti@nokia.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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