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drm/i915/ttm: remove the virtualized start hack

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This was mostly needed to differentiate between mappable and
non-mappable lmem, such that ttm would understand non-mappable ->
mappable moves (or vice versa), and not just turn them into noops. We
have since gained proper .intersects() and .compatible() hooks for the
resource manager, which takes care of this for us.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221220112736.161642-1-matthew.auld@intel.com
This commit is contained in:
Matthew Auld 2022-12-20 11:27:36 +00:00
parent 957565a473
commit da6198afb0
1 changed files with 0 additions and 7 deletions
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7
drivers/gpu/drm/i915/i915_ttm_buddy_manager.c
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@ -139,13 +139,6 @@ static int i915_ttm_buddy_man_alloc(struct ttm_resource_manager *man,
mutex_unlock(&bman->lock);
if (place->lpfn - place->fpfn == n_pages)
bman_res->base.start = place->fpfn;
else if (lpfn <= bman->visible_size)
bman_res->base.start = 0;
else
bman_res->base.start = bman->visible_size;
*res = &bman_res->base;
return 0;