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Alex Deucher
5a11a27677
Reading back the remapped HDP flush register seems to cause problems on some platforms. All we need is a read, so read back the memcfg register. Fixes:689275140c("drm/amdgpu/hdp7.0: do a posting read when flushing HDP") Reported-by: Alexey Klimov <[email protected]> Link: https://lists.freedesktop.org/archives/amd-gfx/2025-April/123150.html Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4119 Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3908 Reviewed-by: Felix Kuehling <[email protected]> Signed-off-by: Alex Deucher <[email protected]> (cherry picked from commitdbc064adfc) Cc: [email protected]