mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-18 18:57:47 +07:00
3e8da87d0c
Hook up the default .reset(), .atomic_duplicate_state() and .atomic_free_state() helpers to ensure that state objects are properly created and destroyed, and call drm_mode_config_reset() at init time to create the initial state objects. Framebuffer reference count also gets maintained automatically by the transitional helpers except for the legacy page flip operation. Maintain it explicitly there. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
/*
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* rcar_du_vgacon.c -- R-Car Display Unit VGA Connector
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*
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* Copyright (C) 2013-2014 Renesas Electronics Corporation
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*
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* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <drm/drmP.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_crtc_helper.h>
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#include "rcar_du_drv.h"
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#include "rcar_du_encoder.h"
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#include "rcar_du_kms.h"
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#include "rcar_du_vgacon.h"
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static int rcar_du_vga_connector_get_modes(struct drm_connector *connector)
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{
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return 0;
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}
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static const struct drm_connector_helper_funcs connector_helper_funcs = {
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.get_modes = rcar_du_vga_connector_get_modes,
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.best_encoder = rcar_du_connector_best_encoder,
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};
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static void rcar_du_vga_connector_destroy(struct drm_connector *connector)
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{
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drm_connector_unregister(connector);
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drm_connector_cleanup(connector);
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}
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static enum drm_connector_status
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rcar_du_vga_connector_detect(struct drm_connector *connector, bool force)
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{
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return connector_status_connected;
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}
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static const struct drm_connector_funcs connector_funcs = {
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.dpms = drm_helper_connector_dpms,
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.reset = drm_atomic_helper_connector_reset,
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.detect = rcar_du_vga_connector_detect,
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.fill_modes = drm_helper_probe_single_connector_modes,
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.destroy = rcar_du_vga_connector_destroy,
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.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
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.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
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};
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int rcar_du_vga_connector_init(struct rcar_du_device *rcdu,
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struct rcar_du_encoder *renc)
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{
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struct drm_encoder *encoder = rcar_encoder_to_drm_encoder(renc);
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struct rcar_du_connector *rcon;
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struct drm_connector *connector;
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int ret;
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rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL);
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if (rcon == NULL)
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return -ENOMEM;
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connector = &rcon->connector;
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connector->display_info.width_mm = 0;
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connector->display_info.height_mm = 0;
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connector->interlace_allowed = true;
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ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
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DRM_MODE_CONNECTOR_VGA);
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if (ret < 0)
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return ret;
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drm_connector_helper_add(connector, &connector_helper_funcs);
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ret = drm_connector_register(connector);
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if (ret < 0)
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return ret;
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drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
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drm_object_property_set_value(&connector->base,
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rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
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ret = drm_mode_connector_attach_encoder(connector, encoder);
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if (ret < 0)
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return ret;
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rcon->encoder = renc;
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return 0;
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}
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