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drm/mode: introduce wrapper to read framebuffer refcount.

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Avoids drivers knowing where the kref is stored.

[airlied: add kerneldoc]
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2016-04-15 15:10:35 +10:00
parent 19ab3f8bb4
commit 747a598ffa
5 changed files with 16 additions and 5 deletions
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2
drivers/gpu/drm/tegra/drm.c
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@@ -878,7 +878,7 @@ static int tegra_debugfs_framebuffers(struct seq_file *s, void *data)
seq_printf(s, "%3d: user size: %d x %d, depth %d, %d bpp, refcount %d\n",
fb->base.id, fb->width, fb->height, fb->depth,
fb->bits_per_pixel,
atomic_read(&fb->refcount.refcount));
drm_framebuffer_read_refcount(fb));
}
mutex_unlock(&drm->mode_config.fb_lock);