[Intel-gfx] [PATCH] agp/intel: Reinforce the barrier after GTT updates

[Sasha Levin]

Hi

[This is an automated email]

This commit has been processed because it contains a "Fixes:" tag
fixing commit: 983d308cb8f6 ("agp/intel: Serialise after GTT updates").

The bot has tested the following trees: v5.6.5, v5.5.18, v5.4.33, v4.19.116, v4.14.176, v4.9.219, v4.4.219.

v5.6.5: Build OK!
v5.5.18: Build OK!
v5.4.33: Build OK!
v4.19.116: Build OK!
v4.14.176: Build OK!
v4.9.219: Build OK!
v4.4.219: Failed to apply! Possible dependencies:
    09cfcb456941 ("drm/i915: Split out load time HW initialization")
    0a9d2bed5557 ("drm/i915/skl: Making DC6 entry is the last call in suspend flow.")
    1f814daca43a ("drm/i915: add support for checking if we hold an RPM reference")
    2f693e28b8df ("drm/i915: Make turning on/off PW1 and Misc I/O part of the init/fini sequences")
    399bb5b6db02 ("drm/i915: Move allocation of various workqueues earlier during init")
    414b7999b8be ("drm/i915/gen9: Remove csr.state, csr_lock and related code.")
    5bab6f60cb4d ("drm/i915: Serialise updates to GGTT with access through GGTT on Braswell")
    62106b4f6b91 ("drm/i915: Rename dev_priv->gtt to dev_priv->ggtt")
    73dfc227ff5c ("drm/i915/skl: init/uninit display core as part of the HW power domain state")
    9c5308ea1cd4 ("drm/i915/skl: Refuse to load outdated dmc firmware")
    ad5c3d3ffbb2 ("drm/i915: Move MCHBAR setup earlier during init")
    b6e7d894c3d2 ("drm/i915/skl: Store and print the DMC firmware version we load")
    bc87229f323e ("drm/i915/skl: enable PC9/10 power states during suspend-to-idle")
    c140330b5e6b ("drm/i915: Move Braswell stop_machine GGTT insertion workaround")
    c73666f394fc ("drm/i915/skl: If needed sanitize bios programmed cdclk")
    d507d73578ef ("drm/i915/gtt: Clean up GGTT probing code")
    d6473f566417 ("drm/i915: Add support for mapping an object page by page")
    ebae38d061df ("drm/i915/gen9: csr_init after runtime pm enable")
    f4448375467d ("drm/i915/gen9: Use dev_priv in csr functions")
    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