From: Thomas Zimmermann <tzimmermann@suse.de>
Date: Wed, 4 Dec 2019 13:34:35 +0000 (+0100)
Subject: drm/mgag200: Debug-print unique revisions id on G200 SE
X-Git-Tag: v5.10.7~2352^2~6^2~740
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c0826f40c2255960983410e66a1ee44c43a524cd;p=platform%2Fkernel%2Flinux-rpi.git

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

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

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191204133435.17462-1-tzimmermann@suse.de
---

diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
index e1f900d..470fa64 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)