drm/amdgpu/gfx9: cache DB_DEBUG2 and make it available to userspace

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Userspace needs to query this value to work around a hw bug in
certain cases.

Acked-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Alex Deucher 2018-04-10 10:15:26 -05:00

parent 5452cf44d6

commit 5eeae247d2

3 changed files with 6 additions and 0 deletions

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2

drivers/gpu/drm/amd/amdgpu/amdgpu.h

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1

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

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3

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

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