From: Thomas Zimmermann Date: Wed, 4 Dec 2019 13:34:35 +0000 (+0100) Subject: drm/mgag200: Debug-print unique revisions id on G200 SE X-Git-Tag: v5.15~303^2~28^2~3954 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c0826f40c2255960983410e66a1ee44c43a524cd;p=platform%2Fkernel%2Flinux-starfive.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 Acked-by: Gerd Hoffmann 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 e1f900d78483..470fa641451a 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)