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authorAlex Deucher <alexander.deucher@amd.com>2013-08-12 17:25:26 -0400
committerAlex Deucher <alexander.deucher@amd.com>2013-08-30 16:30:55 -0400
commitddc76ff6c78ecb189102bdc3bd9d14de5b750a6f (patch)
treed143e2aa3f3e5eb3197f2a055bae2e4d3421b44c /drivers/gpu/drm/radeon/evergreen.c
parent473359bc28e193031a76d99f71e8b6c4808719a6 (diff)
drm/radeon: fixes for gfx clockgating on CIK
Clockgating requires signalling between the CP and the RLC to work properly. Resetting the CP block in the CP resume code messed up the internal coordination between the blocks. Removing the reset allows gfx clockgating to work properly. However, when gfx clock gating is enabled, there is a strange interaction with dpm which causes the chip to stay in the high performance level all the time, so leave gfx clockgating disabled for now. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
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