drm/i915: dump refcount into framebuffer debugfs file
Useful for checking whether the new refcounting works as advertised.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index a40c674..8a11085 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1367,11 +1367,12 @@
ifbdev = dev_priv->fbdev;
fb = to_intel_framebuffer(ifbdev->helper.fb);
- seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, obj ",
+ seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, refcount %d, obj ",
fb->base.width,
fb->base.height,
fb->base.depth,
- fb->base.bits_per_pixel);
+ fb->base.bits_per_pixel,
+ atomic_read(&fb->base.refcount.refcount));
describe_obj(m, fb->obj);
seq_printf(m, "\n");
mutex_unlock(&dev->mode_config.mutex);
@@ -1381,11 +1382,12 @@
if (&fb->base == ifbdev->helper.fb)
continue;
- seq_printf(m, "user size: %d x %d, depth %d, %d bpp, obj ",
+ seq_printf(m, "user size: %d x %d, depth %d, %d bpp, refcount %d, obj ",
fb->base.width,
fb->base.height,
fb->base.depth,
- fb->base.bits_per_pixel);
+ fb->base.bits_per_pixel,
+ atomic_read(&fb->base.refcount.refcount));
describe_obj(m, fb->obj);
seq_printf(m, "\n");
}