[PATCH v2 1/5] drm/xe: Use _ULL for u64 division

Matt Roper matthew.d.roper at intel.com
Wed Jan 17 23:49:17 UTC 2024


On Tue, Jan 16, 2024 at 09:40:46AM -0800, Lucas De Marchi wrote:
> Use DIV_ROUND_UP_ULL() so it also works on 32bit build.
> 
> Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>

Reviewed-by: Matt Roper <matthew.d.roper at intel.com>

> ---
>  drivers/gpu/drm/xe/xe_device.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
> index a94c0b27f04e..5f5e3c7132d3 100644
> --- a/drivers/gpu/drm/xe/xe_device.c
> +++ b/drivers/gpu/drm/xe/xe_device.c
> @@ -624,7 +624,7 @@ void xe_device_wmb(struct xe_device *xe)
>  u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size)
>  {
>  	return xe_device_has_flat_ccs(xe) ?
> -		DIV_ROUND_UP(size, NUM_BYTES_PER_CCS_BYTE(xe)) : 0;
> +		DIV_ROUND_UP_ULL(size, NUM_BYTES_PER_CCS_BYTE(xe)) : 0;
>  }
>  
>  bool xe_device_mem_access_ongoing(struct xe_device *xe)
> -- 
> 2.40.1
> 

-- 
Matt Roper
Graphics Software Engineer
Linux GPU Platform Enablement
Intel Corporation


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