Commit d8e24525 authored by Alex Deucher's avatar Alex Deucher

drm/radeon: disable ss on DP for DCE3.x

Seems to cause problems with certain DP monitors.

Bug:
https://bugs.freedesktop.org/show_bug.cgi?id=40699Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 6dfa09d7
......@@ -938,11 +938,14 @@ static bool atombios_crtc_prepare_pll(struct drm_crtc *crtc, struct drm_display_
radeon_atombios_get_ppll_ss_info(rdev,
&radeon_crtc->ss,
ATOM_DP_SS_ID1);
} else
} else {
radeon_crtc->ss_enabled =
radeon_atombios_get_ppll_ss_info(rdev,
&radeon_crtc->ss,
ATOM_DP_SS_ID1);
}
/* disable spread spectrum on DCE3 DP */
radeon_crtc->ss_enabled = false;
}
break;
case ATOM_ENCODER_MODE_LVDS:
......
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