linux-zen-server/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_kms.c

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2023-08-30 17:53:23 +02:00
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2015 Freescale Semiconductor, Inc.
*
* Freescale DCU drm device driver
*/
#include <drm/drm_atomic_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_probe_helper.h>
#include "fsl_dcu_drm_crtc.h"
#include "fsl_dcu_drm_drv.h"
static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = {
.atomic_check = drm_atomic_helper_check,
.atomic_commit = drm_atomic_helper_commit,
.fb_create = drm_gem_fb_create,
};
int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev)
{
int ret;
drm_mode_config_init(fsl_dev->drm);
fsl_dev->drm->mode_config.min_width = 0;
fsl_dev->drm->mode_config.min_height = 0;
fsl_dev->drm->mode_config.max_width = 2031;
fsl_dev->drm->mode_config.max_height = 2047;
fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs;
ret = fsl_dcu_drm_crtc_create(fsl_dev);
if (ret)
goto err;
ret = fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc);
if (ret)
goto err;
ret = fsl_dcu_create_outputs(fsl_dev);
if (ret)
goto err;
drm_mode_config_reset(fsl_dev->drm);
drm_kms_helper_poll_init(fsl_dev->drm);
return 0;
err:
drm_mode_config_cleanup(fsl_dev->drm);
return ret;
}