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Commit e7ded2d7 authored by Joonas Lahtinen's avatar Joonas Lahtinen Committed by Daniel Vetter
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drm/i915: Reject huge tiled objects 



We do not yet support tiled objects bigger than the mappable
aperture size so reject them.

Reported-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: default avatarJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
[danvet: Rework the check a bit to avoid warnings.]
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 71849b67

drivers/gpu/drm/i915/i915_gem.c

+3 −1
Original line number Diff line number Diff line
@@ -1669,8 +1669,10 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) 
	}



	/* Use a partial view if the object is bigger than the aperture. */

	if (obj->base.size >= dev_priv->gtt.mappable_end) {

	if (obj->base.size >= dev_priv->gtt.mappable_end &&

	    obj->tiling_mode == I915_TILING_NONE) {

		static const unsigned int chunk_size = 256; // 1 MiB



		memset(&view, 0, sizeof(view));

		view.type = I915_GGTT_VIEW_PARTIAL;

		view.params.partial.offset = rounddown(page_offset, chunk_size);