cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/virtio/virtgpu_prime.c

/*
 * Copyright 2014 Canonical
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Andreas Pokorny
 */

#include "virtgpu_drv.h"

/* Empty Implementations as there should not be any other driver for a virtual
 * device that might share buffers with virtgpu */


int virtgpu_gem_prime_pin(struct drm_gem_object *obj) { WARN_ONCE(1, "not implemented"); return -ENODEV; }

Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie21100.00%1100.00%
Total21100.00%1100.00%


void virtgpu_gem_prime_unpin(struct drm_gem_object *obj) { WARN_ONCE(1, "not implemented"); }

Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie17100.00%1100.00%
Total17100.00%1100.00%


struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj) { WARN_ONCE(1, "not implemented"); return ERR_PTR(-ENODEV); }

Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie26100.00%1100.00%
Total26100.00%1100.00%


struct drm_gem_object *virtgpu_gem_prime_import_sg_table( struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *table) { WARN_ONCE(1, "not implemented"); return ERR_PTR(-ENODEV); }

Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie36100.00%1100.00%
Total36100.00%1100.00%


void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj) { WARN_ONCE(1, "not implemented"); return ERR_PTR(-ENODEV); }

Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie25100.00%1100.00%
Total25100.00%1100.00%


void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) { WARN_ONCE(1, "not implemented"); }

Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie21100.00%1100.00%
Total21100.00%1100.00%


int virtgpu_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *area) { return -ENODEV; }

Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie19100.00%1100.00%
Total19100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie170100.00%1100.00%
Total170100.00%1100.00%
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