4bc91dbde0
In the scenario where local memory is available, we have rely on CPU access via lmem directly instead of aperture. v2: gmch is only relevant for much older hw, therefore we can drop the has_aperture check since it should always be present on such platforms. (Chris) Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Chris P Wilson <chris.p.wilson@intel.com> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: CQ Tang <cq.tang@intel.com> Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com> Signed-off-by: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210427085417.120246-6-matthew.auld@intel.com
35 lines
836 B
C
35 lines
836 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_LMEM_H
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#define __I915_GEM_LMEM_H
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#include <linux/types.h>
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struct drm_i915_private;
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struct drm_i915_gem_object;
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struct intel_memory_region;
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extern const struct drm_i915_gem_object_ops i915_gem_lmem_obj_ops;
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void __iomem *
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i915_gem_object_lmem_io_map(struct drm_i915_gem_object *obj,
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unsigned long n,
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unsigned long size);
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bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj);
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struct drm_i915_gem_object *
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i915_gem_object_create_lmem(struct drm_i915_private *i915,
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resource_size_t size,
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unsigned int flags);
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int __i915_gem_lmem_object_init(struct intel_memory_region *mem,
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struct drm_i915_gem_object *obj,
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resource_size_t size,
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unsigned int flags);
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#endif /* !__I915_GEM_LMEM_H */
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