[PATCH v2 0/3] drm/vmwgfx: Use DRM's vblank timer

[Thomas Zimmermann <tzimmermann@suse.de>]

Replace vmwgfx's vblank timer with DRM's shared implementation. The
common code is mostly equivalent, but provides additional protection
against concurrent changes to the vblank counter.

Patches 1 and 2 align vmwgfx with the shared code, so that it can be
converted easily.

The conversion is in patch 3. It replaces vmwgfx's custom timer with
calls to DRM's vblank interfaces. Initialization happens internally.

This series should get some more testing.

v2:
- patch 3: fix vblank cancalling in CRTC cleanup (Zack)
- patch 2: mention timer restart in commit message (Zack)

Thomas Zimmermann (3):
  drm/vmwgfx: Determine lock-waiting timeout from vblank state
  drm/vmwgfx: Move vblank handling into separate helper
  drm/vmwgfx: Convert to DRM vblank timers

 drivers/gpu/drm/vmwgfx/vmwgfx_kms.h  |  2 -
 drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c  |  1 +
 drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c |  1 +
 drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c |  1 +
 drivers/gpu/drm/vmwgfx/vmwgfx_vkms.c | 70 ++++++++--------------------
 drivers/gpu/drm/vmwgfx/vmwgfx_vkms.h |  2 +-
 6 files changed, 24 insertions(+), 53 deletions(-)

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2.54.0