cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/qxl/qxl_dumb.c

/*
 * Copyright 2013 Red Hat Inc.
 *
 * 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: Dave Airlie
 *          Alon Levy
 */

#include "qxl_drv.h"
#include "qxl_object.h"

/* dumb ioctls implementation */


int qxl_mode_dumb_create(struct drm_file *file_priv, struct drm_device *dev, struct drm_mode_create_dumb *args) { struct qxl_device *qdev = dev->dev_private; struct qxl_bo *qobj; uint32_t handle; int r; struct qxl_surface surf; uint32_t pitch, format; pitch = args->width * ((args->bpp + 1) / 8); args->size = pitch * args->height; args->size = ALIGN(args->size, PAGE_SIZE); switch (args->bpp) { case 16: format = SPICE_SURFACE_FMT_16_565; break; case 32: format = SPICE_SURFACE_FMT_32_xRGB; break; default: return -EINVAL; } surf.width = args->width; surf.height = args->height; surf.stride = pitch; surf.format = format; r = qxl_gem_object_create_with_handle(qdev, file_priv, QXL_GEM_DOMAIN_VRAM, args->size, &surf, &qobj, &handle); if (r) return r; args->pitch = pitch; args->handle = handle; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie193100.00%1100.00%
Total193100.00%1100.00%


int qxl_mode_dumb_mmap(struct drm_file *file_priv, struct drm_device *dev, uint32_t handle, uint64_t *offset_p) { struct drm_gem_object *gobj; struct qxl_bo *qobj; BUG_ON(!offset_p); gobj = drm_gem_object_lookup(file_priv, handle); if (gobj == NULL) return -ENOENT; qobj = gem_to_qxl_bo(gobj); *offset_p = qxl_bo_mmap_offset(qobj); drm_gem_object_unreference_unlocked(gobj); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie80100.00%1100.00%
Total80100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie281100.00%1100.00%
Total281100.00%1100.00%
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