[Intel-gfx] [PATCH 1/2] drm/i915/gtt: Fix pte clear range

[Joonas Lahtinen]

On ti, 2016-11-01 at 15:27 +0200, Mika Kuoppala wrote:
> Comparing pte index to a number of entries is wrong
> when clearing a range of pte entries. Use end marker
> of 'one past' to correctly point adequate number of
> ptes to the scratch page.
> 
> v2: assert early instead of warning late (Chris)
> v3: removed consts (Joonas)
> 
> Fixes: d209b9c3cd28 ("drm/i915/gtt: Split gen8_ppgtt_clear_pte_range")
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98282
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Michel Thierry <michel.thierry at intel.com>
> Cc: Michał Winiarski <michal.winiarski at intel.com>
> Reported-by: Mike Lothian <mike at fireburn.co.uk>
> Signed-off-by: Mika Kuoppala <mika.kuoppala at intel.com>
> Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
> Tested-by: Mike Lothian <mike at fireburn.co.uk>

Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation