drm/radeon/kms/DCE4.1: ss is not supported on the internal pplls
authorAlex Deucher <alexander.deucher@amd.com>
Wed, 12 Oct 2011 22:44:33 +0000 (18:44 -0400)
committerDave Airlie <airlied@redhat.com>
Tue, 18 Oct 2011 09:16:33 +0000 (10:16 +0100)
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: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/atombios_crtc.c

index c742944d38055fad222a2ed9999dee352fd1ee11..a515b2a09d856c1c49d2a38096dda8c76ccc92b5 100644 (file)
@@ -466,7 +466,7 @@ static void atombios_crtc_program_ss(struct drm_crtc *crtc,
                        return;
                }
                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);