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// SPDX-License-Identifier: GPL-2.0
/*
* Xilinx DRM KMS GEM helper
*
* Copyright (C) 2015 - 2018 Xilinx, Inc.
*
* Author: Hyun Woo Kwon <hyun.kwon@xilinx.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <drm/drmP.h>
#include <drm/drm_gem_cma_helper.h>
#include "xlnx_drv.h"
#include "xlnx_gem.h"
/*
* xlnx_gem_cma_dumb_create - (struct drm_driver)->dumb_create callback
* @file_priv: drm_file object
* @drm: DRM object
* @args: info for dumb scanout buffer creation
*
* This function is for dumb_create callback of drm_driver struct. Simply
* it wraps around drm_gem_cma_dumb_create() and sets the pitch value
* by retrieving the value from the device.
*
* Return: The return value from drm_gem_cma_dumb_create()
*/
int xlnx_gem_cma_dumb_create(struct drm_file *file_priv, struct drm_device *drm,
struct drm_mode_create_dumb *args)
{
int pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
unsigned int align = xlnx_get_align(drm);
if (!args->pitch || !IS_ALIGNED(args->pitch, align))
args->pitch = ALIGN(pitch, align);
return drm_gem_cma_dumb_create_internal(file_priv, drm, args);
}
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