drm/amdgpu: fix double gpu_recovery for NV of SRIOV

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[ Upstream commit 1512d064f5 ]

issues:
gpu_recover() is re-entered by the mailbox interrupt
handler mxgpu_nv.c

fix:
we need to bypass the gpu_recover() invoke in mailbox
interrupt as long as the timeout is not infinite (thus the TDR
will be triggered automatically after time out, no need to invoke
gpu_recover() through mailbox interrupt.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Emily Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Monk Liu 2019-12-17 18:18:31 +08:00 • committed by Greg Kroah-Hartman

parent 36a36d1606

commit 02dbc003c9

1 changed files with 5 additions and 1 deletions

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

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