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Commit 623f9783 authored by Daniel Vetter's avatar Daniel Vetter
Browse files

drm/i915: dump refcount into framebuffer debugfs file 



Useful for checking whether the new refcounting works as advertised.

Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent b0d12325

drivers/gpu/drm/i915/i915_debugfs.c

+6 −4
Original line number Diff line number Diff line
@@ -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");

	}