linux-kernel - [PATCH 3.19.y-ckt 083/102] Revert "drm/radeon: don't share plls if monitors differ in audio support"

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Date:	Tue,  7 Jul 2015 11:23:13 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 083/102] Revert "drm/radeon: don't share plls if monitors differ in audio support"

3.19.8-ckt3 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@....com>

commit 6fb3c025fee16f11ebd73f84f5aba1ee9ce7f8c6 upstream.

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

Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 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 965a456..1afc0b4 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;
 		}
 	}
-- 
1.9.1

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