drm/radeon: narrow asic_init for virtualization

BugLink: http://bugs.launchpad.net/bugs/1638267

commit 884031f0 upstream.

Only needed on CIK+ due to the way pci reset is handled
by the GPU.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

drivers/gpu/drm/radeon/radeon_device.c

@@ -660,8 +660,9 @@ bool radeon_card_posted(struct radeon_device *rdev)
 {
 	uint32_t reg;
 
-	/* for pass through, always force asic_init */
-	if (radeon_device_is_virtual())
+	/* for pass through, always force asic_init for CI */
+	if (rdev->family >= CHIP_BONAIRE &&
+	    radeon_device_is_virtual())
 		return false;
 
 	/* required for EFI mode on macbook2,1 which uses an r5xx asic */