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| author | Alex Deucher <alexander.deucher@amd.com> | 2025-04-30 12:47:37 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-05-08 11:47:23 -0400 |
| commit | dbc988c689333faeeed44d5561f372ff20395304 (patch) | |
| tree | 39fc5286b57491b8846b323837e14d5406eb85c5 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 0e33e0f339b91eecd9558311449a3d1e728722d4 (diff) | |
drm/amdgpu/hdp5.2: use memcfg register to post the write for HDP flush
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: f756dbac1ce1 ("drm/amdgpu/hdp5.2: do a posting read when flushing HDP")
Reported-by: Alexey Klimov <alexey.klimov@linaro.org>
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 <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 4a89b7698e771914b4d5b571600c76e2fdcbe2a9)
Cc: stable@vger.kernel.org
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions