drm/amdgpu: Add a read to GFX v9.4.3 ring test

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Issue a read to confirm the register write before ringing doorbell. With
multiple XCCs there is chance for race condition.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Lijo Lazar 2023-10-20 12:23:37 +05:30 • committed by Alex Deucher

parent 5bd8e05fe2

commit 3f69d5860f

1 changed files with 1 additions and 0 deletions

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drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c

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