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(parent: 82369da) | patch
drm/amdgpu: used cached gca values for cik_read_register
authorAlex Deucher <alexander.deucher@amd.com>
Tue, 21 Nov 2017 18:53:29 +0000 (13:53 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 28 Nov 2017 22:44:12 +0000 (17:44 -0500)
commitc7e9d6c8f2a35d523651a99c2cc8d898bbe52056
treedb2bcb13eee6f75adb406ffe44e9bf054ae30fd6tree | snapshot
parent82369da5a6a067f6d848f8aef4cc171f197f7efdcommit | diff
drm/amdgpu: used cached gca values for cik_read_register

Using the cached values has less latency for bare metal and
prevents reading back bogus values if the engine is powergated.

This was implemented for VI and SI, but somehow CIK got missed.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/cik.c diff | blob | history
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