Re: [PATCH] drm/i915: Disable MI_STORE_DATA_IMM for i915g/i915gm

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Quoting Chris Wilson (2017-09-06 15:40:08)
> The early gen3 machines (i915g/Grantsdale and i915gm/Alviso) share a lot
> of characteristics in their MI/GTT blocks with gen2, and in particular
> can only use physical addresses in MI_STORE_DATA_IMM. This makes it
> incompatible with our usage, so include those two machines in the
> blacklist to prevent usage.
 
Fixes: 7dd4f6729f92 ("drm/i915: Async GPU relocation processing")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102562
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
-Chris
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