Tom St Denis ec63982e90 drm/amd/amdgpu: Correct ring wptr address in debugfs (v2) ...

On gfx9 hardware the value is not wrapped and is a 64-bit value.  So
we reduce it modulo the ring size.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>

(v2) use buf_mask instead of computing on the fly

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2017-03-29 23:55:53 -04:00

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