c471748dc7
We want to remove the changing of ops structure for attaching phys pages, so we need to kill off HAS_STRUCT_PAGE from ops->flags, and put it in the bo. This will remove a potential race of dereferencing the wrong obj->ops without ww mutex held. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> [danvet: apply with wiggle] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210323155059.628690-8-maarten.lankhorst@linux.intel.com
29 lines
769 B
C
29 lines
769 B
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2019 Intel Corporation
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*/
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#ifndef __I915_GEM_REGION_H__
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#define __I915_GEM_REGION_H__
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#include <linux/types.h>
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struct intel_memory_region;
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struct drm_i915_gem_object;
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struct sg_table;
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int i915_gem_object_get_pages_buddy(struct drm_i915_gem_object *obj);
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void i915_gem_object_put_pages_buddy(struct drm_i915_gem_object *obj,
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struct sg_table *pages);
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void i915_gem_object_init_memory_region(struct drm_i915_gem_object *obj,
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struct intel_memory_region *mem);
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void i915_gem_object_release_memory_region(struct drm_i915_gem_object *obj);
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struct drm_i915_gem_object *
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i915_gem_object_create_region(struct intel_memory_region *mem,
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resource_size_t size,
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unsigned int flags);
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#endif
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