CVS commit: src/sys/external/bsd/drm2/dist/drm/i915

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Sun Jan 14 22:15:15 UTC 2024

Modified Files:
        src/sys/external/bsd/drm2/dist/drm/i915: i915_pci.c

Log Message:
i915: Backport change to downgrade gen7/vlv to aliasing-ppggtt.

PR kern/57268

XXX pullup-10

commit 4fbe112a569526e46fa2accb5763c069f78cb431
Author: Chris Wilson <chris%chris-wilson.co.uk@localhost>
Date:   Mon Feb 24 10:11:20 2020 +0000

    drm/i915/gtt: Downgrade gen7 (ivb, byt, hsw) back to aliasing-ppgtt

    Full-ppgtt on gen7 is proving to be highly unstable and not robust.

    Closes: https://gitlab.freedesktop.org/drm/intel/issues/694
    Fixes: 3cd6e8860ecd ("drm/i915/gen7: Re-enable full-ppgtt for ivb & hsw")
    Signed-off-by: Chris Wilson <chris%chris-wilson.co.uk@localhost>
    Cc: Joonas Lahtinen <joonas.lahtinen%linux.intel.com@localhost>
    Cc: Rodrigo Vivi <rodrigo.vivi%intel.com@localhost>
    Cc: Jani Nikula <jani.nikula%intel.com@localhost>
    Cc: Dave Airlie <airlied%redhat.com@localhost>
    Acked-by: Rodrigo Vivi <rodrigo.vivi%intel.com@localhost>
    Link: https://patchwork.freedesktop.org/patch/msgid/20200224101120.4024481-1-chris%chris-wilson.co.uk@localhost


To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/external/bsd/drm2/dist/drm/i915/i915_pci.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.