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drm: More debug info for fb leaks in mode_config_cleanup 

We're spotting this very rarely in CI, but have no idea. Let's add
more debug info about what's going on here.

References: https://bugs.freedesktop.org/show_bug.cgi?id=102707
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171207144925.14191-1-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2017-12-07 15:49:25 +01:00
parent bc29489f71
commit 2aa0fcc2c7
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/drm_mode_config.c
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@ -467,6 +467,9 @@ void drm_mode_config_cleanup(struct drm_device *dev)
*/ */
WARN_ON(!list_empty(&dev->mode_config.fb_list)); WARN_ON(!list_empty(&dev->mode_config.fb_list));
list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
struct drm_printer p = drm_debug_printer("[leaked fb]");
drm_printf(&p, "framebuffer[%u]:\n", fb->base.id);
drm_framebuffer_print_info(&p, 1, fb);
drm_framebuffer_free(&fb->base.refcount); drm_framebuffer_free(&fb->base.refcount);
} }