Comment # 4
on bug 66942
from Alexandre Demers
Here is the first bad commit, which is pretty large since it doesn't point what was changed before. It could be about any commit before that that touches Cayman. 69e0b57a91adca2e3eb56ed4db39ab90f3ae1043 is the first bad commit commit 69e0b57a91adca2e3eb56ed4db39ab90f3ae1043 Author: Alex Deucher <alexander.deucher@amd.com> Date: Fri Apr 12 16:42:42 2013 -0400 drm/radeon/kms: add dpm support for cayman (v5) This adds dpm support for cayman asics. This includes: - clockgating - dynamic engine clock scaling - dynamic memory clock scaling - dynamic voltage scaling - dynamic pcie gen1/gen2 switching (requires additional acpi support) - power containment - shader power scaling Set radeon.dpm=1 to enable. v2: fold in tdp fix v3: fix indentation v4: fix 64 bit div v5: attempt to fix state enable Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> :040000 040000 aa90c4d442d7640629695b1dc48e0ef1b3958e20 fc06e4965a658e0600ab5b250ae135e9e8225ca4 M drivers
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