[PATCH 0/4] Fix various buffer mapping/import issues

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This small series fixes all known prime/dumb_buffer/buffer dirty
tracking issues. Fixing of dumb-buffers turned out to be a lot more
complex than I wanted it to be. There's not much that can be done
there because the driver has to support old userspace (our Xorg driver
expects those to not be gem buffers and special cases a bunch of
functionality) and new userspace (which expects the handles to be
gem buffers, at least to issue GEM_CLOSE).
                                                                           
The third patch deals with it by making the objects returned from
dumb-buffers both (raw buffers and surfaces referenced by the same
handle), which always works and doesn't require any changes in userspace.
                                                                           
This fixes the known KDE (KWin's) buffer rendering issues.

Zack Rusin (4):
  drm/vmwgfx: Fix a deadlock in dma buf fence polling
  drm/vmwgfx: Make sure the screen surface is ref counted
  drm/vmwgfx: Fix handling of dumb buffers
  drm/vmwgfx: Add basic support for external buffers

 drivers/gpu/drm/vmwgfx/vmw_surface_cache.h |  10 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_bo.c         | 127 +++---
 drivers/gpu/drm/vmwgfx/vmwgfx_bo.h         |  15 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h        |  40 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_fence.c      |  26 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_gem.c        |  62 ++-
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c        | 453 +++++++--------------
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.h        |  17 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c        |  14 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_prime.c      |  32 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_resource.c   |  27 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c       |  33 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c       | 145 +++----
 drivers/gpu/drm/vmwgfx/vmwgfx_surface.c    | 277 ++++++++++++-
 drivers/gpu/drm/vmwgfx/vmwgfx_vkms.c       |  37 +-
 15 files changed, 789 insertions(+), 526 deletions(-)

-- 
2.40.1




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