Commit 09cc6506 authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
Browse files

drm/radeon/kms/DCE4.1: ss is not supported on the internal pplls

It's handled via external clock.  It should already be protected
by the external ss flag, but add an explicit check just in case.
Signed-off-by: default avatarAlex Deucher <>
Signed-off-by: default avatarDave Airlie <>
parent 3a6dea31
......@@ -466,7 +466,7 @@ static void atombios_crtc_program_ss(struct drm_crtc *crtc,
args.v2.ucEnable = enable;
if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK))
if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK) || ASIC_IS_DCE41(rdev))
args.v2.ucEnable = ATOM_DISABLE;
} else if (ASIC_IS_DCE3(rdev)) {
args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
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