[PATCH 12/13] drm/vmwgfx: Print warnings in kernel log about bo pinning that fails.

[Thomas Hellstrom]

From: Jakob Bornecrantz <ja...@vmware.com>

Signed-off-by: Jakob Bornecrantz <jakob at vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom at vmware.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_fb.c  |    4 ++++
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c |    2 ++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index f20bb20..93c6489 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -624,6 +624,10 @@ int vmw_dmabuf_to_start_of_vram(struct vmw_private 
*vmw_priv,
                goto err_unlock;

        ret = ttm_bo_validate(bo, &ne_placement, false, false);
+
+       /* Could probably bug on */
+       WARN_ON(bo->offset != 0);
+
        ttm_bo_unreserve(bo);
 err_unlock:
        ttm_write_unlock(&vmw_priv->active_master->lock);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index c1a7fd5..9ba4822 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -638,6 +638,8 @@ static int vmw_framebuffer_dmabuf_pin(struct 
vmw_framebuffer *vfb)

        vmw_overlay_resume_all(dev_priv);

+       WARN_ON(ret != 0);
+
        return 0;
 }

-- 
1.6.2.5