Re: [PATCH] drm/i915: Flush WC GGTT only on required platforms

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On 10/13/2023 12:35 PM, Andi Shyti wrote:
Hi Nirmoy,

On Fri, Oct 13, 2023 at 12:31:40PM +0200, Nirmoy Das wrote:
gen8_ggtt_invalidate() is only needed for limitted set of platforms
/limitted/limited/

Added " autocmd FileType gitcommit setlocal spell" to my vim config. Wish I knew about it

before.



where GGTT is mapped as WC otherwise this can cause unwanted
side-effects on XE_HP platforms where GFX_FLSH_CNTL_GEN6 is not
valid.

Fixes: d2eae8e98d59 ("drm/i915/dg2: Drop force_probe requirement")
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Cc: Jonathan Cavitt <jonathan.cavitt@xxxxxxxxx>
Cc: John Harrison <john.c.harrison@xxxxxxxxx>
Cc: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # v6.2+
Suggested-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>
Acked-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>

Thanks,

Nirmoy


Andi



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