drm/amdgpu: bypass hdp read cache invalidation for aldebaran (v2)

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hdp read cache is removed in aldebaran. don't issue
an mmio write or write data packet to hardware.

v2: rebase

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Hawking Zhang 2020-12-22 15:55:35 +08:00 • committed by Alex Deucher

parent b7daed1b62

commit d02692ae0d

1 changed files with 3 additions and 0 deletions

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drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c

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