RE: [Intel-gfx] [PATCH] drm/i915: Fix one wrong caching mode enum usage

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> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of
> Tvrtko Ursulin
> Sent: Friday, July 7, 2023 6:25 PM
> To: Intel-gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Subject: [Intel-gfx] [PATCH] drm/i915: Fix one wrong caching mode enum
> usage
> 
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> 
> Commit a4d86249c773 ("drm/i915/gt: Provide a utility to create a scratch
> buffer") mistakenly passed in uapi I915_CACHING_CACHED as argument to
> i915_gem_object_set_cache_coherency(), which actually takes internal enum
> i915_cache_level.
> 
> No functional issue since the value matches I915_CACHE_LLC (1 == 1), which
> is the intended caching mode, but lets clean it up nevertheless.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> Fixes: a4d86249c773 ("drm/i915/gt: Provide a utility to create a scratch
> buffer")
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/gt/intel_gtt.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.c
> b/drivers/gpu/drm/i915/gt/intel_gtt.c
> index 126269a0d728..065099362a98 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gtt.c
> +++ b/drivers/gpu/drm/i915/gt/intel_gtt.c
> @@ -676,7 +676,7 @@ __vm_create_scratch_for_read(struct
> i915_address_space *vm, unsigned long size)
>  	if (IS_ERR(obj))
>  		return ERR_CAST(obj);
> 
> -	i915_gem_object_set_cache_coherency(obj,
> I915_CACHING_CACHED);
> +	i915_gem_object_set_cache_coherency(obj, I915_CACHE_LLC);

Yes.
Reviewed-by: Tejas Upadhyay <tejas.upadhyay@xxxxxxxxx>

> 
>  	vma = i915_vma_instance(obj, vm, NULL);
>  	if (IS_ERR(vma)) {
> --
> 2.39.2





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