drm/amdgpu:change sequence of SDMA v4 init

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must set minor_update.enable before write smaller value
to wptr/doorbell, so for sriov we need set that register
bit in hw_init period.

this could fix the SDMA ring test fail after guest reboot

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Monk Liu 2017-02-24 12:06:22 +08:00 • committed by Alex Deucher

parent e09706f46e

commit ca82a746b0

1 changed files with 27 additions and 10 deletions

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drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

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