cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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fsl_dcu_drm_kms.c (1269B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * Copyright 2015 Freescale Semiconductor, Inc.
      4 *
      5 * Freescale DCU drm device driver
      6 */
      7
      8#include <drm/drm_atomic_helper.h>
      9#include <drm/drm_fb_cma_helper.h>
     10#include <drm/drm_gem_framebuffer_helper.h>
     11#include <drm/drm_probe_helper.h>
     12
     13#include "fsl_dcu_drm_crtc.h"
     14#include "fsl_dcu_drm_drv.h"
     15
     16static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = {
     17	.atomic_check = drm_atomic_helper_check,
     18	.atomic_commit = drm_atomic_helper_commit,
     19	.fb_create = drm_gem_fb_create,
     20};
     21
     22int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev)
     23{
     24	int ret;
     25
     26	drm_mode_config_init(fsl_dev->drm);
     27
     28	fsl_dev->drm->mode_config.min_width = 0;
     29	fsl_dev->drm->mode_config.min_height = 0;
     30	fsl_dev->drm->mode_config.max_width = 2031;
     31	fsl_dev->drm->mode_config.max_height = 2047;
     32	fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs;
     33
     34	ret = fsl_dcu_drm_crtc_create(fsl_dev);
     35	if (ret)
     36		goto err;
     37
     38	ret = fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc);
     39	if (ret)
     40		goto err;
     41
     42	ret = fsl_dcu_create_outputs(fsl_dev);
     43	if (ret)
     44		goto err;
     45
     46	drm_mode_config_reset(fsl_dev->drm);
     47	drm_kms_helper_poll_init(fsl_dev->drm);
     48
     49	return 0;
     50
     51err:
     52	drm_mode_config_cleanup(fsl_dev->drm);
     53	return ret;
     54}