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Commit 960e3564 authored by Chris Wilson's avatar Chris Wilson Committed by Daniel Vetter
Browse files

drm/i915: Support readback of stolen objects upon error 



Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: default avatarBen Widawsky <ben@bwidawsk.net>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent c1ad11fc

drivers/gpu/drm/i915/i915_irq.c

+8 −0
Original line number Diff line number Diff line
@@ -929,6 +929,14 @@ i915_error_object_create(struct drm_i915_private *dev_priv, 
						     reloc_offset);

			memcpy_fromio(d, s, PAGE_SIZE);

			io_mapping_unmap_atomic(s);

		} else if (src->stolen) {

			unsigned long offset;



			offset = dev_priv->mm.stolen_base;

			offset += src->stolen->start;

			offset += i << PAGE_SHIFT;



			memcpy_fromio(d, (void *)offset, PAGE_SIZE);

		} else {

			struct page *page;

			void *s;