linux/drivers/gpu/drm/virtio/virtgpu_display.c

/*
 * Copyright (C) 2015 Red Hat, Inc.
 * All Rights Reserved.
 *
 * Authors:
 *    Dave Airlie
 *    Alon Levy
 *
 * 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.
 */

#include <drm/drm_atomic_helper.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_simple_kms_helper.h>

#include "virtgpu_drv.h"

#define XRES_MIN …
#define YRES_MIN …

#define XRES_DEF …
#define YRES_DEF …

#define XRES_MAX …
#define YRES_MAX …

#define drm_connector_to_virtio_gpu_output(x) …

static const struct drm_crtc_funcs virtio_gpu_crtc_funcs = …;

static const struct drm_framebuffer_funcs virtio_gpu_fb_funcs = …;

static int
virtio_gpu_framebuffer_init(struct drm_device *dev,
			    struct virtio_gpu_framebuffer *vgfb,
			    const struct drm_mode_fb_cmd2 *mode_cmd,
			    struct drm_gem_object *obj)
{ … }

static void virtio_gpu_crtc_mode_set_nofb(struct drm_crtc *crtc)
{ … }

static void virtio_gpu_crtc_atomic_enable(struct drm_crtc *crtc,
					  struct drm_atomic_state *state)
{ … }

static void virtio_gpu_crtc_atomic_disable(struct drm_crtc *crtc,
					   struct drm_atomic_state *state)
{ … }

static int virtio_gpu_crtc_atomic_check(struct drm_crtc *crtc,
					struct drm_atomic_state *state)
{ … }

static void virtio_gpu_crtc_atomic_flush(struct drm_crtc *crtc,
					 struct drm_atomic_state *state)
{ … }

static const struct drm_crtc_helper_funcs virtio_gpu_crtc_helper_funcs = …;

static void virtio_gpu_enc_mode_set(struct drm_encoder *encoder,
				    struct drm_display_mode *mode,
				    struct drm_display_mode *adjusted_mode)
{ … }

static void virtio_gpu_enc_enable(struct drm_encoder *encoder)
{ … }

static void virtio_gpu_enc_disable(struct drm_encoder *encoder)
{ … }

static int virtio_gpu_conn_get_modes(struct drm_connector *connector)
{ … }

static enum drm_mode_status virtio_gpu_conn_mode_valid(struct drm_connector *connector,
				      struct drm_display_mode *mode)
{ … }

static const struct drm_encoder_helper_funcs virtio_gpu_enc_helper_funcs = …;

static const struct drm_connector_helper_funcs virtio_gpu_conn_helper_funcs = …;

static enum drm_connector_status virtio_gpu_conn_detect(
			struct drm_connector *connector,
			bool force)
{ … }

static void virtio_gpu_conn_destroy(struct drm_connector *connector)
{ … }

static const struct drm_connector_funcs virtio_gpu_connector_funcs = …;

static int vgdev_output_init(struct virtio_gpu_device *vgdev, int index)
{ … }

static struct drm_framebuffer *
virtio_gpu_user_framebuffer_create(struct drm_device *dev,
				   struct drm_file *file_priv,
				   const struct drm_mode_fb_cmd2 *mode_cmd)
{ … }

static const struct drm_mode_config_funcs virtio_gpu_mode_funcs = …;

int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev)
{ … }

void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev)
{ … }