On Wed, Oct 03, 2012 at 09:18:22AM +0800, Fengguang Wu wrote:
> All warnings:
> 
> drivers/gpu/drm/radeon/radeon_acpi.c: In function 'radeon_atif_verify_interface':
> drivers/gpu/drm/radeon/radeon_acpi.c:128:3: warning: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'size_t' [-Wformat]

Yup, %lu is wrong on 32bit. There's also another occurence in that file,
attached patch agains drm-next fixes both.

Luca