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[PATCH v5 0/4] drm/vc4: Binner BO management improvements

Changes since v4:
* Used a kref on the binner bo instead of firstopen/lastclose;
* Added a mutex to prevent race conditions;
* Took care of enabling the OOM interrupt when we have a binner BO allocated.

Changes since v3:
* Split changes into more commits when possible;
* Reworked binner bo alloc condition as discussed.

Changes since v2:
* Removed deprecated sentence about fristopen;
* Added collected Reviewed-By tags.

Changes since v1:
* Squashed the two final patches into one.

Paul Kocialkowski (4):
  drm/vc4: Reformat and export binner bo allocation helper
  drm/vc4: Check for V3D before binner bo alloc
  drm/vc4: Check for the binner bo before handling OOM interrupt
  drm/vc4: Allocate binner bo when starting to use the V3D

 drivers/gpu/drm/vc4/vc4_bo.c  | 30 ++++++++++++++++++
 drivers/gpu/drm/vc4/vc4_drv.c | 17 +++++++++++
 drivers/gpu/drm/vc4/vc4_drv.h | 10 ++++++
 drivers/gpu/drm/vc4/vc4_irq.c |  9 ++++--
 drivers/gpu/drm/vc4/vc4_v3d.c | 57 ++++++++++++++++++++++++-----------
 5 files changed, 104 insertions(+), 19 deletions(-)