[PATCH 0/9] drm/i915: Cursor vblank evasion

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

MTL seems very good at racing the cursor mailbox updates against
the vblank, causing things to not latch for long enough to cause
GTT faults. Attempt to hook up vblank evasions into the legacy
cursor path to avoid this.

Also revert a dangerous wm/ddb change related to cursors.

Ville Syrjälä (9):
  drm/i915: Decouple intel_crtc_vblank_evade_scanlines() from atomic
    commits
  drm/i915: Reorder drm_vblank_put() vs. need_vlv_dsi_wa
  drm/i915: Introduce struct intel_vblank_evade_ctx
  drm/i915: Include need_vlv_dsi_wa in intel_vblank_evade_ctx
  drm/i915: Extract intel_vblank_evade()
  drm/i915: Move the min/max scanline sanity check into
    intel_vblank_evade()
  drm/i915: Move intel_vblank_evade() & co. into intel_vblank.c
  drm/i915: Perform vblank evasion around legacy cursor updates
  Revert "drm/i915/xe2lpd: Treat cursor plane as regular plane for DDB
    allocation"

 .../gpu/drm/i915/display/intel_atomic_plane.c |   6 +-
 drivers/gpu/drm/i915/display/intel_crtc.c     | 128 ++---------------
 drivers/gpu/drm/i915/display/intel_cursor.c   |  16 ++-
 drivers/gpu/drm/i915/display/intel_vblank.c   | 130 ++++++++++++++++++
 drivers/gpu/drm/i915/display/intel_vblank.h   |  12 ++
 drivers/gpu/drm/i915/display/skl_watermark.c  |  16 +--
 6 files changed, 170 insertions(+), 138 deletions(-)

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2.41.0