misc vgaarb cleanups

[Christoph Hellwig]

Hi all,

this series cleans up a bunch of lose ends in the vgaarb code.

Diffstat:
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |   11 +-
 drivers/gpu/drm/drm_irq.c                  |    4 
 drivers/gpu/drm/i915/display/intel_vga.c   |    9 +-
 drivers/gpu/drm/nouveau/nouveau_vga.c      |    8 -
 drivers/gpu/drm/radeon/radeon_device.c     |   11 +-
 drivers/gpu/vga/vgaarb.c                   |   67 +++++-----------
 drivers/vfio/pci/vfio_pci.c                |   11 +-
 include/linux/vgaarb.h                     |  118 ++++++++++-------------------
 8 files changed, 93 insertions(+), 146 deletions(-)