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(parent: 1ff60dd) | patch
drm/radeon/dpm: make sure dc performance level limits are valid (CI)
authorAlex Deucher <alexander.deucher@amd.com>
Fri, 30 Aug 2013 20:24:33 +0000 (16:24 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 30 Aug 2013 20:31:25 +0000 (16:31 -0400)
commit679fe80fbe964ea7f9f71781c2ca65b630949da3
tree309b8269d5906c68a5419abc853cc7f0dea72e22tree
parent1ff60ddb84bb9ff6fa182710c4e08b66badf918ccommit | diff
drm/radeon/dpm: make sure dc performance level limits are valid (CI)

Check to make sure the dc limits are valid before using them.
Some systems may not have a dc limits table.  In that case just
use the ac limits.  This fixes hangs on systems when the power
state is changed when on battery (dc) due to invalid performance
state parameters.

Should fix:
https://bugs.freedesktop.org/show_bug.cgi?id=68708

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/radeon/ci_dpm.c diff | blob | history
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