eaee1c0858
Implement i915_gem_fb_mmap() to enable fb_ops.fb_mmap() callback for i915's framebuffer objects. v2: add a comment why i915_gem_object_get() needed(Andi). v3: mmap also ttm objects. Cc: Matthew Auld <matthew.auld@intel.com> Cc: Andi Shyti <andi.shyti@linux.intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Cc: Imre Deak <imre.deak@intel.com> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230404143100.10452-3-nirmoy.das@intel.com
33 lines
939 B
C
33 lines
939 B
C
/*
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* 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_MMAN_H__
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#define __I915_GEM_MMAN_H__
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#include <linux/mm_types.h>
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#include <linux/types.h>
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struct drm_device;
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struct drm_file;
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struct drm_i915_gem_object;
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struct file;
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struct i915_mmap_offset;
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struct mutex;
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int i915_gem_mmap_gtt_version(void);
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int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma);
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int i915_gem_dumb_mmap_offset(struct drm_file *file_priv,
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struct drm_device *dev,
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u32 handle, u64 *offset);
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void __i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj);
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void i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj);
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void i915_gem_object_runtime_pm_release_mmap_offset(struct drm_i915_gem_object *obj);
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void i915_gem_object_release_mmap_offset(struct drm_i915_gem_object *obj);
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int i915_gem_fb_mmap(struct drm_i915_gem_object *obj, struct vm_area_struct *vma);
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#endif
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