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(parent: 4799409) | patch
drm/radeon: avoid turning off spread spectrum for used pll
authorJerome Glisse <jglisse@redhat.com>
Fri, 17 Aug 2012 18:40:04 +0000 (14:40 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 20 Aug 2012 15:09:48 +0000 (11:09 -0400)
commit93f2646a9157967d7b815b93ba764709073c7089
treea1b6484f6b0b4650dc318d542b683be103ce9178tree | snapshot
parent4799409fcc5ca47eb92b3ec85552948447bdaee1commit | diff
drm/radeon: avoid turning off spread spectrum for used pll

If spread spectrum is enabled and in use for a given pll we
should not turn it off as it will lead to turning off display
for crtc that use the pll (this behavior was observed on chelsea
edp).

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/radeon/atombios_crtc.c diff | blob | history
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