[PATCH] drm/mgag200: Debug-print unique revisions id on G200 SE

[Thomas Zimmermann]

The behavior of MGA G200 SE depends on the rev id. Print the id when
debugging is enabled.

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
 drivers/gpu/drm/mgag200/mgag200_main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
index e1bc5b0aa774..aeb7c10ded0d 100644
--- a/drivers/gpu/drm/mgag200/mgag200_main.c
+++ b/drivers/gpu/drm/mgag200/mgag200_main.c
@@ -118,8 +118,11 @@ static int mgag200_device_init(struct drm_device *dev,
 		return -ENOMEM;
 
 	/* stash G200 SE model number for later use */
-	if (IS_G200_SE(mdev))
+	if (IS_G200_SE(mdev)) {
 		mdev->unique_rev_id = RREG32(0x1e24);
+		DRM_DEBUG("G200 SE unique revision id is 0x%x\n",
+			  mdev->unique_rev_id);
+	}
 
 	ret = mga_vram_init(mdev);
 	if (ret)
-- 
2.23.0