linux/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c

// SPDX-License-Identifier: MIT
/*
 * Copyright 2022 Advanced Micro Devices, Inc.
 *
 * 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.
 *
 * Authors: AMD
 *
 */

#include "dm_services_types.h"

#include "amdgpu.h"
#include "amdgpu_dm.h"
#include "amdgpu_dm_wb.h"
#include "amdgpu_display.h"
#include "dc.h"

#include <drm/drm_edid.h>
#include <drm/drm_atomic_state_helper.h>
#include <drm/drm_modeset_helper_vtables.h>

static const u32 amdgpu_dm_wb_formats[] = …;

static int amdgpu_dm_wb_encoder_atomic_check(struct drm_encoder *encoder,
					struct drm_crtc_state *crtc_state,
					struct drm_connector_state *conn_state)
{ … }


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

static int amdgpu_dm_wb_prepare_job(struct drm_writeback_connector *wb_connector,
			       struct drm_writeback_job *job)
{ … }

static void amdgpu_dm_wb_cleanup_job(struct drm_writeback_connector *connector,
				struct drm_writeback_job *job)
{ … }

static const struct drm_encoder_helper_funcs amdgpu_dm_wb_encoder_helper_funcs = …;

static const struct drm_connector_funcs amdgpu_dm_wb_connector_funcs = …;

static const struct drm_connector_helper_funcs amdgpu_dm_wb_conn_helper_funcs = …;

int amdgpu_dm_wb_connector_init(struct amdgpu_display_manager *dm,
				struct amdgpu_dm_wb_connector *wbcon,
				uint32_t link_index)
{ … }