From 4b80d954a7e54c13a5063af18d01719ad6a0daf3 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Fri, 20 Aug 2010 12:47:54 -0400
Subject: [PATCH] drm/radeon/kms: fix sideport detection on newer rs880 boards

The meaning of ucMemoryType changed on recent boards, however,
ulBootUpSidePortClock should be set properly across all boards.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_atombios.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index b015915441ba..61141981880d 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1181,7 +1181,7 @@ bool radeon_atombios_sideport_present(struct radeon_device *rdev)
 				return true;
 			break;
 		case 2:
-			if (igp_info->info_2.ucMemoryType & 0x0f)
+			if (igp_info->info_2.ulBootUpSidePortClock)
 				return true;
 			break;
 		default:
-- 
2.34.1