[Bug 107223] [GEN9+] 50% perf drop in SynMark Fill* tests (E2E RBC gets disabled?)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107223

--- Comment #4 from Eero Tamminen <eero.t.tamminen at intel.com> ---
And naturally X server & Mesa XCB etc dependencies need to be from April or
later, otherwise they're missing things required for X / modifier support being
built in.

When I was testing modifier support in spring with X & Wayland, I needed to
build following from git:
- git://anongit.freedesktop.org/xorg/proto/xorgproto
- git://anongit.freedesktop.org/xcb/proto
- git://anongit.freedesktop.org/xcb/libxcb
- git://anongit.freedesktop.org/mesa/drm
- git://anongit.freedesktop.org/mesa/mesa
- https://github.com/anholt/libepoxy (commit 516b4fb8d0bce)
- git://anongit.freedesktop.org/xorg/xserver
- git://anongit.freedesktop.org/xorg/app/xkbcomp
- git://anongit.freedesktop.org/xorg/driver/xf86-input-libinput

After the build, libxcb header needs to match:
grep "XCB_DRI3_M[AI][JN]OR_VERSION" $(find $PREFIX -name dri3.h)

And X server build:
grep \
-e GBM_BO_WITH_MODIFIERS \
-e GLAMOR_HAS_DRM_ATOMIC \
-e GLAMOR_HAS_DRM_MODIFIERS \
-e GLAMOR_HAS_DRM_NAME_FROM_FD_2 \
-e GLAMOR_HAS_EGL_QUERY_DMABUF \
-e GLAMOR_HAS_GBM \
-e GLAMOR_HAS_GBM_LINEAR \
include/dix-config.h

Otherwise you haven't built a working modifier supporting setup.

(Jason can tell more.)

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