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(parent: bff77e8) | patch
drm/amdgpu: fix gfx VF FLR test fail on navi
authorHaiJun Chang <HaiJun.Chang@amd.com>
Tue, 29 Oct 2019 07:44:08 +0000 (15:44 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 30 Oct 2019 15:07:13 +0000 (11:07 -0400)
commit897110eed5084bb91731fd4e2bdcf5f536eaadfd
tree0ab822552cdb18042e8f68dff8b0b48cb0ab15fbtree | snapshot
parentbff77e86a3776fab6859bc168ecda6ccf56bfbd2commit | diff
drm/amdgpu: fix gfx VF FLR test fail on navi

Cp wptr in wb buffer is outdated after VF FLR.
The outdated wptr may cause cp to execute unexpected packets.
Reset cp wptr in wb buffer.

Signed-off-by: HaiJun Chang <HaiJun.Chang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c diff | blob | history
Domain: System / Kernel;