linux-kernel - [PATCH 4.0 081/105] Revert "drm/radeon: adjust pll when audio is not enabled"

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Date:	Fri, 19 Jun 2015 13:36:11 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org
Subject: [PATCH 4.0 081/105] Revert "drm/radeon: adjust pll when audio is not enabled"

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

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

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

commit ebb9bf18636926d5da97136c22e882c5d91fda73 upstream.

This reverts commit 7fe04d6fa824ccea704535a597dc417c8687f990.

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: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/gpu/drm/radeon/atombios_crtc.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -580,9 +580,6 @@ static u32 atombios_adjust_pll(struct dr
 		else
 			radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
 
-		/* if there is no audio, set MINM_OVER_MAXP  */
-		if (!drm_detect_monitor_audio(radeon_connector_edid(connector)))
-			radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
 		if (rdev->family < CHIP_RV770)
 			radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
 		/* use frac fb div on APUs */


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