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(parent: f1f4fab) | patch
drm/amdgpu: add check before enabling/disabling broadcast mode
authorGuchun Chen <guchun.chen@amd.com>
Wed, 4 Dec 2019 07:51:16 +0000 (15:51 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 5 Dec 2019 21:24:09 +0000 (16:24 -0500)
commit79c4c8ea913076338e70252f947a8805daa8f91b
treedbbea94c137bae98ea4e8ef2a04ca176dd3f966btree | snapshot
parentf1f4fab57241b180c70567922942b39d6b830f43commit | diff
drm/amdgpu: add check before enabling/disabling broadcast mode

When security violation from new vbios happens, data fabric is
risky to stop working. So prevent the direct access to DF
mmFabricConfigAccessControl from the new vbios and onwards.

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/df_v3_6.c diff | blob | history
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