On 4/5/22 08:15, Borislav Petkov wrote:
> From: Borislav Petkov <b...@suse.de>
> 
> Fix:
> 
>   drivers/gpu/drm/r128/r128_cce.c: In function ‘r128_do_init_cce’:
>   drivers/gpu/drm/r128/r128_cce.c:417:2: error: case label does not reduce to 
> an integer constant
>     case R128_PM4_64BM_64VCBM_64INDBM:
>     ^~~~
>   drivers/gpu/drm/r128/r128_cce.c:418:2: error: case label does not reduce to 
> an integer constant
>     case R128_PM4_64PIO_64VCPIO_64INDPIO:
>     ^~~~
> 
> See https://lore.kernel.org/r/ykwq6%2btih8gqp...@zn.tnic for the gory
> details as to why it triggers with older gccs only.
> 
> Signed-off-by: Borislav Petkov <b...@suse.de>
> Cc: David Airlie <airl...@linux.ie>
> Cc: Daniel Vetter <dan...@ffwll.ch>
> Cc: Alex Deucher <alexander.deuc...@amd.com>
> Cc: dri-devel@lists.freedesktop.org

Reviewed-by: Randy Dunlap <rdun...@infradead.org>

Thanks.

> ---
>  drivers/gpu/drm/r128/r128_drv.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/r128/r128_drv.h b/drivers/gpu/drm/r128/r128_drv.h
> index 2e1bc01aa5c9..970e192b0d51 100644
> --- a/drivers/gpu/drm/r128/r128_drv.h
> +++ b/drivers/gpu/drm/r128/r128_drv.h
> @@ -300,8 +300,8 @@ extern long r128_compat_ioctl(struct file *filp, unsigned 
> int cmd,
>  #    define R128_PM4_64PIO_128INDBM          (5  << 28)
>  #    define R128_PM4_64BM_128INDBM           (6  << 28)
>  #    define R128_PM4_64PIO_64VCBM_64INDBM    (7  << 28)
> -#    define R128_PM4_64BM_64VCBM_64INDBM     (8  << 28)
> -#    define R128_PM4_64PIO_64VCPIO_64INDPIO  (15 << 28)
> +#    define R128_PM4_64BM_64VCBM_64INDBM     (8U  << 28)
> +#    define R128_PM4_64PIO_64VCPIO_64INDPIO  (15U << 28)
>  #    define R128_PM4_BUFFER_CNTL_NOUPDATE    (1  << 27)
>  
>  #define R128_PM4_BUFFER_WM_CNTL              0x0708

-- 
~Randy

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