I tried to fix this for real, but it's very sprawling and lots of
drivers get this mildly wrong one way or the other.

Signed-off-by: Daniel Vetter <daniel.vet...@intel.com>
Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
Cc: Maxime Ripard <mrip...@kernel.org>
Cc: Thomas Zimmermann <tzimmerm...@suse.de>
Cc: David Airlie <airl...@linux.ie>
Cc: Daniel Vetter <dan...@ffwll.ch>
---
 drivers/gpu/drm/drm_fb_helper.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 596255edf023..27deed4af015 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -2494,6 +2494,11 @@ void drm_fbdev_generic_setup(struct drm_device *dev,
                return;
        }
 
+       /*
+        * FIXME: This mixes up depth with bpp, which results in a glorious
+        * mess, resulting in some drivers picking wrong fbdev defaults and
+        * others wrong preferred_depth defaults.
+        */
        if (!preferred_bpp)
                preferred_bpp = dev->mode_config.preferred_depth;
        if (!preferred_bpp)
-- 
2.29.2

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