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drm/amdgpu: Reconfigure ULV for gfx9 server SKUs
authorJoseph Greathouse <Joseph.Greathouse@amd.com>
Wed, 10 Jun 2020 18:48:56 +0000 (13:48 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 1 Jul 2020 05:59:21 +0000 (01:59 -0400)
commitd4dd336409fddb4346e4ac7857e34c6f18f79658
treed41b6430d761280114837f70c13b9e1e8633bf97tree | snapshot
parent7159562a1622806d1f37fa73e83463fa1a240f66commit | diff
drm/amdgpu: Reconfigure ULV for gfx9 server SKUs

SDMA ULV can benefit low-power modes, but can sometimes cause
latency increases in small SDMA transfers. Server SKUs have a
different trade-off space in this domain, so this configures
the server SKUs' ULV hysteresis times differently than consumer
SKUs'.

Signed-off-by: Joseph Greathouse <Joseph.Greathouse@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c diff | blob | history
Domain: System / Kernel;