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(parent: a830ad0) | 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 22:54:14 +0000 (17:54 -0500)
commit1a0fa39495574cf692292c91becd2364ea33596e
tree365ad24360a358b1f74b053df412312aff00817ftree | snapshot
parenta830ad0059df0ba280f6048663a45f002f9171dccommit | 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
Linux Kernel Source Tree.