Contributors: 4
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Rongrong Zou |
131 |
70.05% |
3 |
33.33% |
| Thomas Zimmermann |
42 |
22.46% |
4 |
44.44% |
| Sam Ravnborg |
12 |
6.42% |
1 |
11.11% |
| Thomas Gleixner |
2 |
1.07% |
1 |
11.11% |
| Total |
187 |
|
9 |
|
// SPDX-License-Identifier: GPL-2.0-or-later
/* Hisilicon Hibmc SoC drm driver
*
* Based on the bochs drm driver.
*
* Copyright (c) 2016 Huawei Limited.
*
* Author:
* Rongrong Zou <zourongrong@huawei.com>
* Rongrong Zou <zourongrong@gmail.com>
* Jianhua Li <lijianhua@huawei.com>
*/
#include <linux/pci.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_gem.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_gem_vram_helper.h>
#include <drm/drm_print.h>
#include "hibmc_drm_drv.h"
int hibmc_mm_init(struct hibmc_drm_private *hibmc)
{
struct drm_vram_mm *vmm;
int ret;
struct drm_device *dev = hibmc->dev;
vmm = drm_vram_helper_alloc_mm(dev,
pci_resource_start(dev->pdev, 0),
hibmc->fb_size);
if (IS_ERR(vmm)) {
ret = PTR_ERR(vmm);
DRM_ERROR("Error initializing VRAM MM; %d\n", ret);
return ret;
}
return 0;
}
void hibmc_mm_fini(struct hibmc_drm_private *hibmc)
{
if (!hibmc->dev->vram_mm)
return;
drm_vram_helper_release_mm(hibmc->dev);
}
int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
return drm_gem_vram_fill_create_dumb(file, dev, 0, 16, args);
}
const struct drm_mode_config_funcs hibmc_mode_funcs = {
.mode_valid = drm_vram_helper_mode_valid,
.atomic_check = drm_atomic_helper_check,
.atomic_commit = drm_atomic_helper_commit,
.fb_create = drm_gem_fb_create,
};