[PATCH v4 00/16] drm/i915: (stolen) memory region related fixes

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Attempt to fix the mess around stolen memory, especially on MTL
with it's special (and apparenly broken) not-actually-lmem stolen.

The series is made up of roughtly three parts:
1. General refactoring/debug improvement for mem regions
2. Deal with the broken BAR stuff on MTL
3. Fix initial display plane readout for MTL

v2: Try to relocate the BIOS fb to start of ggtt to make
    space for the GuC stuff at the top end of ggtt
v3: Skip ton VM guests as they won't have access to stolen directly
    Annotate more initial fb takeover failure paths
    Add the w/a numbers
v4: Check the magic pcode bit
    Try to deal with xe fallout

Cc: Paz Zcharya <pazz@xxxxxxxxxxxx>

Ville Syrjälä (16):
  drm/i915: Use struct resource for memory region IO as well
  drm/i915: Print memory region info during probe
  drm/i915: Remove ad-hoc lmem/stolen debugs
  drm/i915: Bypass LMEMBAR/GTTMMADR for MTL stolen memory access
  drm/i915: Disable the "binder"
  drm/i915: Rename the DSM/GSM registers
  drm/i915: Fix PTE decode during initial plane readout
  drm/i915: Fix region start during initial plane readout
  drm/i915: Fix MTL initial plane readout
  drm/i915: s/phys_base/dma_addr/
  drm/i915: Split the smem and lmem plane readout apart
  drm/i915: Simplify intel_initial_plane_config() calling convention
  drm/i915/fbdev: Fix smem_start for LMEMBAR stolen objects
  drm/i915: Tweak BIOS fb reuse check
  drm/i915: Try to relocate the BIOS fb to the start of ggtt
  drm/i915: Annotate more of the BIOS fb takeover failure paths

 drivers/gpu/drm/i915/display/i9xx_plane.c     |  30 +++
 drivers/gpu/drm/i915/display/i9xx_plane.h     |   7 +
 drivers/gpu/drm/i915/display/intel_display.c  |   5 +
 .../gpu/drm/i915/display/intel_display_core.h |   2 +
 .../drm/i915/display/intel_display_driver.c   |   7 +-
 .../drm/i915/display/intel_display_types.h    |   2 +
 drivers/gpu/drm/i915/display/intel_fbdev_fb.c |   5 +-
 .../drm/i915/display/intel_plane_initial.c    | 255 +++++++++++++-----
 .../drm/i915/display/intel_plane_initial.h    |   4 +-
 .../drm/i915/display/skl_universal_plane.c    |  28 ++
 .../drm/i915/display/skl_universal_plane.h    |   2 +
 drivers/gpu/drm/i915/gem/i915_gem_region.c    |   2 +-
 drivers/gpu/drm/i915/gem/i915_gem_stolen.c    |  25 +-
 drivers/gpu/drm/i915/gem/i915_gem_ttm.c       |   8 +-
 .../drm/i915/gem/selftests/i915_gem_mman.c    |  18 +-
 drivers/gpu/drm/i915/gt/intel_ggtt.c          |  10 +-
 drivers/gpu/drm/i915/gt/intel_gtt.c           |   3 +-
 drivers/gpu/drm/i915/gt/intel_region_lmem.c   |  14 +-
 drivers/gpu/drm/i915/gt/selftest_tlb.c        |   4 +-
 drivers/gpu/drm/i915/i915_gpu_error.c         |   2 +-
 drivers/gpu/drm/i915/i915_query.c             |   2 +-
 drivers/gpu/drm/i915/i915_reg.h               |  10 +-
 drivers/gpu/drm/i915/i915_utils.c             |  17 ++
 drivers/gpu/drm/i915/i915_utils.h             |   2 +
 drivers/gpu/drm/i915/intel_memory_region.c    |  33 ++-
 drivers/gpu/drm/i915/intel_memory_region.h    |   3 +-
 drivers/gpu/drm/i915/intel_region_ttm.c       |   8 +-
 .../drm/i915/selftests/intel_memory_region.c  |   4 +-
 drivers/gpu/drm/xe/display/xe_plane_initial.c |  67 +++--
 29 files changed, 412 insertions(+), 167 deletions(-)

-- 
2.43.0




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