Re: [PATCH] drm/i915/gem: Flush lmem contents after construction

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Hi Nirmoy,

On Thu, Mar 16, 2023 at 05:59:18PM +0100, Nirmoy Das wrote:
> From: Chris Wilson <chris.p.wilson@xxxxxxxxxxxxxxx>
> 
> i915_gem_object_create_lmem_from_data() lacks the flush of the data
> written to lmem to ensure the object is marked as dirty and the writes
> flushed to the backing store. Once created, we can immediately release
> the obj->mm.mapping caching of the vmap.
> 
> Fixes: 7acbbc7cf485 ("drm/i915/guc: put all guc objects in lmem when available")
> Cc: Matthew Auld <matthew.auld@xxxxxxxxx>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
> Cc: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>
> Cc: Matthew Brost <matthew.brost@xxxxxxxxx>
> Cc: John Harrison <John.C.Harrison@xxxxxxxxx>
> Signed-off-by: Chris Wilson <chris.p.wilson@xxxxxxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # v5.16+
> Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>

Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>

Thanks,
Andi



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