drm/radeon/kms: fix sideport detection on newer rs880 boards

commit 4b80d954a7e54c13a5063af18d01719ad6a0daf3 upstream.

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>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index ea6468b6b312779c5fc065b8cd5839d15bed0a31..05ef0c43a1abb0a12b7337c8b739953ef77ee5f0 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1048,7 +1048,7 @@ 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: