drm/amd: fix gfx hang on renoir in IGT reload test

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[why]
CP hangs in igt reloading test on renoir, more precisely, hangs on the
second time insmod.

[how]
mode2 reset can make it recover, and mode2 reset only effects gfx core,
dcn and the screen will not be impacted.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Tianci.Yin 2022-03-10 21:12:49 +08:00 • committed by Alex Deucher

parent 85ac2021fe

commit 72a98763b4

1 changed files with 4 additions and 0 deletions

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drivers/gpu/drm/amd/amdgpu/soc15.c

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