[PATCH 00/18] Yet another FBC series

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Hello

This series has two main goals:
  - Simplify FBC handling so we don't recompute state or disable+reenable when
    it's not necessary.
  - Solve the CFB race we have that make it possible for the hardware to use the
    CFB even after we free its drm_mm node.

Of course we can always do more and more code reworks, but this series kills the
last real bugs I can see on HSW+, so it will be time to consider enabling FBC on
these platforms after we merge the series.

Thanks,
Paulo

Paulo Zanoni (18):
  drm/i915: change no_fbc_reason from enum to string
  drm/i915: don't stop+start FBC at every flip
  drm/i915: only nuke FBC when a drawing operation triggers a flush
  drm/i915: extract crtc_is_valid() on the FBC code
  drm/i915: set dev_priv->fbc.crtc before scheduling the enable work
  drm/i915: use struct intel_crtc *crtc at __intel_fbc_update()
  drm/i915: fix the __intel_fbc_update() comments
  drm/i915: pass the crtc as an argument to intel_fbc_update()
  drm/i915: don't disable_fbc() if FBC is already disabled
  drm/i915: introduce is_active/activate/deactivate to the FBC
    terminology
  drm/i915: refactor FBC deactivation at init
  drm/i915: introduce intel_fbc_{enable,disable}
  drm/i915: remove too-frequent FBC debug message
  drm/i915: fix the CFB size check
  drm/i915: alloc/free the FBC CFB during enable/disable
  drm/i915: move adjusted_mode checks from fbc_update to fbc_enable
  drm/i915: move clock frequency checks from fbc_update to fbc_enable
  drm/i915: check for FBC planes in the same place as the pipes

 drivers/gpu/drm/i915/i915_debugfs.c      |   4 +-
 drivers/gpu/drm/i915/i915_drv.h          |  32 +-
 drivers/gpu/drm/i915/i915_reg.h          |   3 +
 drivers/gpu/drm/i915/intel_display.c     |  25 +-
 drivers/gpu/drm/i915/intel_drv.h         |   9 +-
 drivers/gpu/drm/i915/intel_fbc.c         | 715 ++++++++++++++++++-------------
 drivers/gpu/drm/i915/intel_frontbuffer.c |   1 +
 drivers/gpu/drm/i915/intel_pm.c          |   2 +-
 8 files changed, 447 insertions(+), 344 deletions(-)

-- 
2.6.1

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