[Intel-gfx] [PATCH] drm/i915: Flush extra hard after writing relocations through the GTT

[Sasha Levin]

Hi,

[This is an automated email]

This commit has been processed because it contains a -stable tag.
The stable tag indicates that it's relevant for the following trees: all

The bot has tested the following trees: v5.2.1, v5.1.18, v4.19.59, v4.14.133, v4.9.185, v4.4.185.

v5.2.1: Failed to apply! Possible dependencies:
    Unable to calculate

v5.1.18: Failed to apply! Possible dependencies:
    Unable to calculate

v4.19.59: Failed to apply! Possible dependencies:
    Unable to calculate

v4.14.133: Failed to apply! Possible dependencies:
    3bd4073524fa ("drm/i915: Consolidate get_fence with pin_fence")
    465c403cb508 ("drm/i915: introduce simple gemfs")
    66df1014efba ("drm/i915: Keep a small stash of preallocated WC pages")
    7393b7ee3a9c ("drm/i915/debugfs: include some gtt page size metrics")
    73ebd503034c ("drm/i915: make mappable struct resource centric")
    7789422665f5 ("drm/i915: make dsm struct resource centric")
    82ad6443a55e ("drm/i915/gtt: Rename i915_hw_ppgtt base member")
    969b0950a188 ("drm/i915: Add interface to reserve fence registers for vGPU")
    a65adaf8a834 ("drm/i915: Track user GTT faulting per-vma")
    b1ace60107e6 ("drm/i915: give stolen_usable_size a more suitable home")
    b7128ef125b4 ("drm/i915: prefer resource_size_t for everything stolen")
    da1dd0dbe024 ("drm/i915: Make the report about a bogus stolen reserved area an error")
    db7fb60593e4 ("drm/i915: Check if the stolen memory "reserved" area is enabled or not")
    e91ef99b9543 ("drm/i915/selftests: Remember to create the fake preempt context")
    f773568b6ff8 ("drm/i915: nuke the duplicated stolen discovery")

v4.9.185: Failed to apply! Possible dependencies:
    04d348ae3f0a ("drm/i915/gvt: vGPU display virtualization")
    12d14cc43b34 ("drm/i915/gvt: Introduce a framework for tracking HW registers.")
    28a60dee2ce6 ("drm/i915/gvt: vGPU HW resource management")
    3f728236c516 ("drm/i915/gvt: trace stub")
    4c7d62c6b8a2 ("drm/i915: Markup GEM API with lockdep asserts")
    4d60c5fd3f87 ("drm/i915/gvt: vGPU PCI configuration space virtualization")
    579cea5f30f2 ("drm/i915/gvt: golden virtual HW state management")
    650bc63568e4 ("drm/i915: Amalgamate execbuffer parameter structures")
    718659a63054 ("drm/i915: Rename some warts in the VMA API")
    82d375d1b568 ("drm/i915/gvt: Introduce basic vGPU life cycle management")
    8453d674ae7e ("drm/i915/gvt: vGPU execlist virtualization")
    c8fe6a6811a7 ("drm/i915/gvt: vGPU interrupt virtualization.")
    e39c5add3221 ("drm/i915/gvt: vGPU MMIO virtualization")
    e473405783c0 ("drm/i915/gvt: vGPU workload scheduler")
    e95433c73a11 ("drm/i915: Rearrange i915_wait_request() accounting with callers")

v4.4.185: Failed to apply! Possible dependencies:
    033908aed5a5 ("drm/i915: mark GEM object pages dirty when mapped & written by the CPU")
    058d88c4330f ("drm/i915: Track pinned VMA")
    09cfcb456941 ("drm/i915: Split out load time HW initialization")
    0a9d2bed5557 ("drm/i915/skl: Making DC6 entry is the last call in suspend flow.")
    188c1ab7769d ("drm/i915: Add struct_mutex locking for debugs/i915_gem_framebuffer")
    1f814daca43a ("drm/i915: add support for checking if we hold an RPM reference")
    31a39207f04a ("drm/i915: Cache kmap between relocations")
    399bb5b6db02 ("drm/i915: Move allocation of various workqueues earlier during init")
    414b7999b8be ("drm/i915/gen9: Remove csr.state, csr_lock and related code.")
    506a8e87d8d2 ("drm/i915: Add soft-pinning API for execbuffer")
    62106b4f6b91 ("drm/i915: Rename dev_priv->gtt to dev_priv->ggtt")
    72e96d6450c0 ("drm/i915: Refer to GGTT {,VM} consistently")
    73dfc227ff5c ("drm/i915/skl: init/uninit display core as part of the HW power domain state")
    8da32727ac0e ("drm/i915: Remove i915_gem_obj_size")
    934acce3c069 ("drm/i915: Avoid writing relocs with addresses in non-canonical form")
    9e2793f6e4e2 ("drm/i915: compile-time consistency check on __EXEC_OBJECT flags")
    ad5c3d3ffbb2 ("drm/i915: Move MCHBAR setup earlier during init")
    bc87229f323e ("drm/i915/skl: enable PC9/10 power states during suspend-to-idle")
    be12a86b46e8 ("drm/i915: Show pin mapped status in describe_obj")
    d50415cc6c83 ("drm/i915: Refactor execbuffer relocation writing")
    f514c2d84285 ("drm/i915/gen9: flush DMC fw loading work during system suspend")


NOTE: The patch will not be queued to stable trees until it is upstream.

How should we proceed with this patch?

--
Thanks,
Sasha