Joonas Lahtinen <joonas.lahti...@linux.intel.com> writes:

> [ text/plain ]
> On ti, 2016-04-12 at 16:57 +0100, Matthew Auld wrote:
>> We need to kunmap pt_vaddr and not pt itself, otherwise we end up
>> mapping a bunch of pages without ever unmapping them.
>> 
>
> It's always a good idea to use 'git blame' to figure out the bug
> inducing commit, and include that information + CC'ing the author (Mika
> here):
>
> Fixes: d1c54acd67dc ("drm/i915/gtt: Introduce kmap|kunmap for dma page")
>
> With that added,
>
> Reviewed-by: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
>
> Mika to comment on too, looks like  fairly straightforward error when
> doing a mass replace.
>

Fixes tag added and pushed to dinq. Thanks for patch and review.
-Mika

> Regards, Joonas
>
>> Cc: Chris Wilson <ch...@chris-wilson.co.uk>
>> Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
>> Signed-off-by: Matthew Auld <matthew.a...@intel.com>
>> ---
>>  drivers/gpu/drm/i915/i915_gem_gtt.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c 
>> b/drivers/gpu/drm/i915/i915_gem_gtt.c
>> index 6601b11..7aef7bf 100644
>> --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
>> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
>> @@ -746,7 +746,7 @@ static void gen8_ppgtt_clear_pte_range(struct 
>> i915_address_space *vm,
>>                      num_entries--;
>>              }
>>  
>> -            kunmap_px(ppgtt, pt);
>> +            kunmap_px(ppgtt, pt_vaddr);
>>  
>>              pte = 0;
>>              if (++pde == I915_PDES) {
> -- 
> Joonas Lahtinen
> Open Source Technology Center
> Intel Corporation
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