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(parent: 0069e0c) | patch
drm/amdgpu: bypass hdp read cache invalidation for aldebaran (v2)
authorHawking Zhang <Hawking.Zhang@amd.com>
Tue, 22 Dec 2020 07:55:35 +0000 (15:55 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 24 Mar 2021 02:56:45 +0000 (22:56 -0400)
commit5d4df7d453ff7440c59e6aafd14a3867934e3214
tree4ea83222ca6324fdc8f959bb8af7a69c0b473e83tree | snapshot
parent0069e0c85d1b30aa81b91746333063713714ae47commit | diff
drm/amdgpu: bypass hdp read cache invalidation for aldebaran (v2)

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>
drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c diff | blob | history
Linux Kernel Source Tree.