[PATCH] drm/radeon/kms: fix mac g5 quirk

[Alex Deucher]

Apple uses the same subsystem pci ids for lots of
hardware much of which is wired up differently.  In
this case, the G5 imac and the G5 tower.

Only apply the quirk configuration to G5 towers.

Reported-by: Joachim Henke <j-o at users.sourceforge.net>
Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
Cc: Joachim Henke <j-o at users.sourceforge.net>
Cc: Michel Dänzer <michel at daenzer.net>
---
 drivers/gpu/drm/radeon/radeon_combios.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 5b991f7..19b10cf 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -1548,9 +1548,8 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
 			   (rdev->pdev->subsystem_device == 0x4a48)) {
 			/* Mac X800 */
 			rdev->mode_info.connector_table = CT_MAC_X800;
-		} else if ((rdev->pdev->device == 0x4150) &&
-			   (rdev->pdev->subsystem_vendor == 0x1002) &&
-			   (rdev->pdev->subsystem_device == 0x4150)) {
+		} else if (of_machine_is_compatible("PowerMac7,2") ||
+			   of_machine_is_compatible("PowerMac7,3")) {
 			/* Mac G5 9600 */
 			rdev->mode_info.connector_table = CT_MAC_G5_9600;
 		} else
-- 
1.7.1.1