drm/radeon/kms: be more pedantic about the g5 quirk (v2)

I don't think Apple offered any other cards for
this mac, so I doubt this will be an issue, but just
to be on the safe side, check the pci ids as well.

v2: fix spelling in commit message

Reviewed-by: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: Joachim Henke <j-o@users.sourceforge.net>
Cc: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 797c8bc..e459467 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -1553,9 +1553,12 @@ 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 (of_machine_is_compatible("PowerMac7,2") ||
-                          of_machine_is_compatible("PowerMac7,3")) {
-                       /* Mac G5 9600 */
+               } else if ((of_machine_is_compatible("PowerMac7,2") ||
+                           of_machine_is_compatible("PowerMac7,3")) &&
+                          (rdev->pdev->device == 0x4150) &&
+                          (rdev->pdev->subsystem_vendor == 0x1002) &&
+                          (rdev->pdev->subsystem_device == 0x4150)) {
+                       /* Mac G5 tower 9600 */
                        rdev->mode_info.connector_table = CT_MAC_G5_9600;
                } else
 #endif /* CONFIG_PPC_PMAC */