drm/radeon: adding synchronization for GRBM GFX

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Implementing a lock for selecting and accessing shader engines and arrays.
This lock will make sure that radeon and amdkfd are not colliding when
accessing shader engines and arrays with GRBM_GFX_INDEX register.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>

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This commit is contained in:

Oded Gabbay 2014-07-14 15:36:08 +03:00

parent ebff8453d3

commit 1c0a46255f

3 changed files with 29 additions and 0 deletions

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26

drivers/gpu/drm/radeon/cik.c

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2

drivers/gpu/drm/radeon/radeon.h

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1

drivers/gpu/drm/radeon/radeon_device.c

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