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| author | Alex Deucher <alexander.deucher@amd.com> | 2025-04-30 12:45:04 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-05-07 17:47:33 -0400 |
| commit | 5c937b4a6050316af37ef214825b6340b5e9e391 (patch) | |
| tree | aa854f46b8153adba635d3a8c7a609aecc7c1af0 /scripts/lib/kdoc/kdoc_parser.py | |
| parent | e8614fc769df0343627e39eab4f52bc9ff8c075b (diff) | |
drm/amdgpu/hdp4: 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: c9b8dcabb52a ("drm/amdgpu/hdp4.0: 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>
Diffstat (limited to 'scripts/lib/kdoc/kdoc_parser.py')
0 files changed, 0 insertions, 0 deletions