[PATCH v2 2/5] drm/xe/mmio: Cast to u64 when printing

Matt Roper matthew.d.roper at intel.com
Wed Jan 17 23:57:24 UTC 2024


On Tue, Jan 16, 2024 at 09:40:47AM -0800, Lucas De Marchi wrote:
> resource_size_t uses %pa format in printk since the size varies
> depending on build options. However to keep the io_size/physical_size
> addition in the same call we can't pass the address without adding yet
> another variable in these function. Simply cast it to u64 and keep using
> %llx.
> 
> Fixes: 286089ce6929 ("drm/xe: Improve vram info debug printing")
> Cc: Oak Zeng <oak.zeng at intel.com>
> Cc: Michael J. Ruhl <michael.j.ruhl at intel.com>
> Cc: Matthew Brost <matthew.brost at intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> 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_mmio.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/xe/xe_mmio.c b/drivers/gpu/drm/xe/xe_mmio.c
> index c8c5d74b6e90..5f6b53ea5528 100644
> --- a/drivers/gpu/drm/xe/xe_mmio.c
> +++ b/drivers/gpu/drm/xe/xe_mmio.c
> @@ -272,8 +272,8 @@ int xe_mmio_probe_vram(struct xe_device *xe)
>  		drm_info(&xe->drm, "VRAM[%u, %u]: Actual physical size %pa, usable size exclude stolen %pa, CPU accessible size %pa\n", id,
>  			 tile->id, &tile->mem.vram.actual_physical_size, &tile->mem.vram.usable_size, &tile->mem.vram.io_size);
>  		drm_info(&xe->drm, "VRAM[%u, %u]: DPA range: [%pa-%llx], io range: [%pa-%llx]\n", id, tile->id,
> -			 &tile->mem.vram.dpa_base, tile->mem.vram.dpa_base + tile->mem.vram.actual_physical_size,
> -			 &tile->mem.vram.io_start, tile->mem.vram.io_start + tile->mem.vram.io_size);
> +			 &tile->mem.vram.dpa_base, tile->mem.vram.dpa_base + (u64)tile->mem.vram.actual_physical_size,
> +			 &tile->mem.vram.io_start, tile->mem.vram.io_start + (u64)tile->mem.vram.io_size);
>  
>  		/* calculate total size using tile size to get the correct HW sizing */
>  		total_size += tile_size;
> -- 
> 2.40.1
> 

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


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