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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>
This commit is contained in:
Daniel Vetter 2012-12-11 16:21:38 +01:00
parent b0d1232589
commit 623f978302
1 changed files with 6 additions and 4 deletions
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10
drivers/gpu/drm/i915/i915_debugfs.c
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@ -1367,11 +1367,12 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
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 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
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");
}