[added to the 3.18 stable tree] Revert "drm/radeon: don't share plls if monitors differ in audio support"

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From: Alex Deucher <alexander.deucher@xxxxxxx>

This patch has been added to the 3.18 stable tree. If you have any
objections, please let us know.

===============

[ Upstream commit 6fb3c025fee16f11ebd73f84f5aba1ee9ce7f8c6 ]

This reverts commit a10f0df0615abb194968fc08147f3cdd70fd5aa5.

Fixes some systems at the expense of others.  Need to properly
fix the pll divider selection.

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=99651

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
 drivers/gpu/drm/radeon/atombios_crtc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 4f9ec36..5d73e5f 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1789,9 +1789,7 @@ static int radeon_get_shared_nondp_ppll(struct drm_crtc *crtc)
 			if ((crtc->mode.clock == test_crtc->mode.clock) &&
 			    (adjusted_clock == test_adjusted_clock) &&
 			    (radeon_crtc->ss_enabled == test_radeon_crtc->ss_enabled) &&
-			    (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) &&
-			    (drm_detect_monitor_audio(radeon_connector_edid(test_radeon_crtc->connector)) ==
-			     drm_detect_monitor_audio(radeon_connector_edid(radeon_crtc->connector))))
+			    (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID))
 				return test_radeon_crtc->pll_id;
 		}
 	}
-- 
2.1.0

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