[PATCH 0/3] add guard patting around i915_vma

[Andi Shyti]

Please ignore, this series is rebased on the wrong branch.

Andi

On Wed, Nov 09, 2022 at 05:49:10PM +0100, Andi Shyti wrote:
> Hi,
> 
> This patch series adds a padding around i915_vma's reducing
> consequently the need to add scratch to the unused GGTT.
> 
> This speeds up considerably the boot and resume by several
> hundreds of milliseconds up to over a full second in slower
> machines.
> 
> Andi
> 
> Chris Wilson (3):
>   drm/i915: Wrap all access to i915_vma.node.start|size
>   drm/i915: Introduce guard pages to i915_vma
>   drm/i915: Refine VT-d scanout workaround
> 
>  drivers/gpu/drm/i915/display/intel_dpt.c      |  4 +-
>  drivers/gpu/drm/i915/display/intel_fbdev.c    |  2 +-
>  drivers/gpu/drm/i915/gem/i915_gem_domain.c    | 13 +++++
>  .../gpu/drm/i915/gem/i915_gem_execbuffer.c    | 37 ++++++------
>  drivers/gpu/drm/i915/gem/i915_gem_mman.c      |  2 +-
>  drivers/gpu/drm/i915/gem/i915_gem_shrinker.c  |  2 +-
>  drivers/gpu/drm/i915/gem/i915_gem_tiling.c    |  4 +-
>  .../gpu/drm/i915/gem/selftests/huge_pages.c   |  2 +-
>  .../i915/gem/selftests/i915_gem_client_blt.c  | 15 ++---
>  .../drm/i915/gem/selftests/i915_gem_context.c | 19 ++++--
>  .../drm/i915/gem/selftests/i915_gem_mman.c    |  2 +-
>  .../drm/i915/gem/selftests/igt_gem_utils.c    |  7 ++-
>  drivers/gpu/drm/i915/gt/gen6_ppgtt.c          |  2 +-
>  drivers/gpu/drm/i915/gt/gen7_renderclear.c    |  2 +-
>  drivers/gpu/drm/i915/gt/gen8_ppgtt.c          |  8 +--
>  drivers/gpu/drm/i915/gt/intel_ggtt.c          | 39 ++++---------
>  drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c  |  3 +-
>  drivers/gpu/drm/i915/gt/intel_ppgtt.c         |  7 ++-
>  drivers/gpu/drm/i915/gt/intel_renderstate.c   |  2 +-
>  .../gpu/drm/i915/gt/intel_ring_submission.c   |  2 +-
>  drivers/gpu/drm/i915/gt/selftest_engine_cs.c  | 12 ++--
>  drivers/gpu/drm/i915/gt/selftest_execlists.c  | 18 +++---
>  drivers/gpu/drm/i915/gt/selftest_hangcheck.c  | 17 +++---
>  drivers/gpu/drm/i915/gt/selftest_lrc.c        | 16 ++---
>  .../drm/i915/gt/selftest_ring_submission.c    |  2 +-
>  drivers/gpu/drm/i915/gt/selftest_rps.c        | 12 ++--
>  .../gpu/drm/i915/gt/selftest_workarounds.c    |  8 +--
>  drivers/gpu/drm/i915/i915_cmd_parser.c        |  4 +-
>  drivers/gpu/drm/i915/i915_debugfs.c           |  3 +-
>  drivers/gpu/drm/i915/i915_gem_gtt.h           |  1 +
>  drivers/gpu/drm/i915/i915_gpu_error.c         |  4 +-
>  drivers/gpu/drm/i915/i915_perf.c              |  2 +-
>  drivers/gpu/drm/i915/i915_vma.c               | 58 ++++++++++++++-----
>  drivers/gpu/drm/i915/i915_vma.h               | 24 +++++++-
>  drivers/gpu/drm/i915/i915_vma_types.h         |  3 +-
>  drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 12 +++-
>  drivers/gpu/drm/i915/selftests/i915_request.c | 20 +++----
>  drivers/gpu/drm/i915/selftests/igt_spinner.c  | 11 ++--
>  38 files changed, 238 insertions(+), 163 deletions(-)
> 
> -- 
> 2.37.2