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| author | Alex Deucher <[email protected]> | 2025-04-30 16:50:02 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2025-05-08 15:21:12 +0000 |
| commit | dbc064adfcf9095e7d895bea87b2f75c1ab23236 (patch) | |
| tree | 06c29018570ea547bb471be93719285c49a69181 /drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c | |
| parent | drm/amdgpu/hdp6: use memcfg register to post the write for HDP flush (diff) | |
| download | kernel-dbc064adfcf9095e7d895bea87b2f75c1ab23236.tar.gz kernel-dbc064adfcf9095e7d895bea87b2f75c1ab23236.zip | |
drm/amdgpu/hdp7: 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: 689275140cb8 ("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]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c')
0 files changed, 0 insertions, 0 deletions