[v12,0/2] Refactor Gen11+ SAGV support

Message

Stanislav Lisovskiy Nov. 15, 2019, 2:53 p.m. UTC

For Gen11+ platforms BSpec suggests disabling specific
QGV points separately, depending on bandwidth limitations
and current display configuration. Thus it required adding
a new PCode request for disabling QGV points and some
refactoring of already existing SAGV code.
Also had to refactor intel_can_enable_sagv function,
as current seems to be outdated and using skl specific
workarounds, also not following BSpec for Gen11+.

Stanislav Lisovskiy (2):
  drm/i915: Refactor intel_can_enable_sagv
  drm/i915: Restrict qgv points which don't have enough bandwidth.

 drivers/gpu/drm/i915/display/intel_atomic.h   |   2 +
 drivers/gpu/drm/i915/display/intel_bw.c       | 134 +++++-
 drivers/gpu/drm/i915/display/intel_bw.h       |   2 +
 drivers/gpu/drm/i915/display/intel_display.c  | 103 ++++-
 .../drm/i915/display/intel_display_types.h    |  18 +
 drivers/gpu/drm/i915/i915_drv.h               |  13 +-
 drivers/gpu/drm/i915/i915_reg.h               |   5 +
 drivers/gpu/drm/i915/intel_pm.c               | 418 ++++++++++++++++--
 drivers/gpu/drm/i915/intel_pm.h               |   1 +
 drivers/gpu/drm/i915/intel_sideband.c         |  27 +-
 10 files changed, 650 insertions(+), 73 deletions(-)