[Intel-gfx] [PATCH v4 0/3] Replace Blitter ring based flips with MMIO flips

[sourab.gupta at intel.com]

From: Sourab Gupta <sourab.gupta at intel.com>

This patch series enables the framework for using MMIO flips in place of
Blitter ring based flips.
This is useful for Media power well residency optimization. These may be
enabled on architectures where Render and Blitter engines reside in different
power wells.
The blitter ring is currently being used just for command streamer based
flip calls. The decision to use MMIO flips can be made based on workloads to give
100% residency for Media power well.


Sourab Gupta (3):
  drm/i915: Replaced Blitter ring based flips with MMIO flips
  drm/i915: Selection of MMIO vs CS flip at page flip time
  drm/i915: Make module param for MMIO flip selection as tristate

 drivers/gpu/drm/i915/i915_dma.c      |   1 +
 drivers/gpu/drm/i915/i915_drv.h      |   8 ++
 drivers/gpu/drm/i915/i915_gem.c      |   2 +-
 drivers/gpu/drm/i915/i915_irq.c      |   3 +
 drivers/gpu/drm/i915/i915_params.c   |   6 ++
 drivers/gpu/drm/i915/intel_display.c | 173 ++++++++++++++++++++++++++++++++++-
 drivers/gpu/drm/i915/intel_drv.h     |   6 ++
 7 files changed, 197 insertions(+), 2 deletions(-)

-- 
1.8.5.1