drm/amdgpu/hdp7.0: do a posting read when flushing HDP

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commit 689275140c upstream.

Need to read back to make sure the write goes through.

Cc: David Belanger <david.belanger@amd.com>
Reviewed-by: Frank Min <frank.min@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Alex Deucher 2024-11-28 16:05:24 +08:00 • committed by Greg Kroah-Hartman

parent c99261fa72

commit 8499665f2c

1 changed files with 4 additions and 2 deletions

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drivers/gpu/drm/amd/amdgpu/hdp_v7_0.c

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