drm/radeon: improve ring lockup detection code v2

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Use atomics and jiffies_64, so that we don't need to have the
ring mutex locked any more and avoid wrap arounds.

v2: fix some checkpatch warnings

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Christian König 2014-02-18 15:24:06 +01:00

parent 4d538b7919

commit aee4aa73a1

2 changed files with 12 additions and 15 deletions

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4

drivers/gpu/drm/radeon/radeon.h

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23

drivers/gpu/drm/radeon/radeon_ring.c

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