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2c7aafc05c
Add a list of possible encoders to the connector configuration and helpers to attach and detach them. Now that the default configuration has its connector and encoder correctly, configure the output following the configuration. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Co-developed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-15-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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#include "vkms_config.h"
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#include "vkms_connector.h"
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#include "vkms_drv.h"
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#include <drm/drm_managed.h>
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int vkms_output_init(struct vkms_device *vkmsdev)
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{
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struct drm_device *dev = &vkmsdev->drm;
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struct vkms_config_plane *plane_cfg;
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struct vkms_config_crtc *crtc_cfg;
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struct vkms_config_encoder *encoder_cfg;
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struct vkms_config_connector *connector_cfg;
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int ret;
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int writeback;
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if (!vkms_config_is_valid(vkmsdev->config))
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return -EINVAL;
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vkms_config_for_each_plane(vkmsdev->config, plane_cfg) {
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enum drm_plane_type type;
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type = vkms_config_plane_get_type(plane_cfg);
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plane_cfg->plane = vkms_plane_init(vkmsdev, type);
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if (IS_ERR(plane_cfg->plane)) {
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DRM_DEV_ERROR(dev->dev, "Failed to init vkms plane\n");
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return PTR_ERR(plane_cfg->plane);
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}
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}
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vkms_config_for_each_crtc(vkmsdev->config, crtc_cfg) {
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struct vkms_config_plane *primary, *cursor;
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primary = vkms_config_crtc_primary_plane(vkmsdev->config, crtc_cfg);
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cursor = vkms_config_crtc_cursor_plane(vkmsdev->config, crtc_cfg);
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crtc_cfg->crtc = vkms_crtc_init(dev, &primary->plane->base,
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cursor ? &cursor->plane->base : NULL);
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if (IS_ERR(crtc_cfg->crtc)) {
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DRM_ERROR("Failed to allocate CRTC\n");
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return PTR_ERR(crtc_cfg->crtc);
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}
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/* Initialize the writeback component */
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if (vkms_config_crtc_get_writeback(crtc_cfg)) {
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writeback = vkms_enable_writeback_connector(vkmsdev, crtc_cfg->crtc);
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if (writeback)
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DRM_ERROR("Failed to init writeback connector\n");
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}
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}
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vkms_config_for_each_plane(vkmsdev->config, plane_cfg) {
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struct vkms_config_crtc *possible_crtc;
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unsigned long idx = 0;
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vkms_config_plane_for_each_possible_crtc(plane_cfg, idx, possible_crtc) {
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plane_cfg->plane->base.possible_crtcs |=
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drm_crtc_mask(&possible_crtc->crtc->crtc);
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}
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}
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vkms_config_for_each_encoder(vkmsdev->config, encoder_cfg) {
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struct vkms_config_crtc *possible_crtc;
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unsigned long idx = 0;
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encoder_cfg->encoder = drmm_kzalloc(dev, sizeof(*encoder_cfg->encoder), GFP_KERNEL);
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if (!encoder_cfg->encoder) {
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DRM_ERROR("Failed to allocate encoder\n");
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return -ENOMEM;
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}
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ret = drmm_encoder_init(dev, encoder_cfg->encoder, NULL,
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DRM_MODE_ENCODER_VIRTUAL, NULL);
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if (ret) {
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DRM_ERROR("Failed to init encoder\n");
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return ret;
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}
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vkms_config_encoder_for_each_possible_crtc(encoder_cfg, idx, possible_crtc) {
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encoder_cfg->encoder->possible_crtcs |=
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drm_crtc_mask(&possible_crtc->crtc->crtc);
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}
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}
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vkms_config_for_each_connector(vkmsdev->config, connector_cfg) {
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struct vkms_config_encoder *possible_encoder;
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unsigned long idx = 0;
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connector_cfg->connector = vkms_connector_init(vkmsdev);
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if (IS_ERR(connector_cfg->connector)) {
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DRM_ERROR("Failed to init connector\n");
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return PTR_ERR(connector_cfg->connector);
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}
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vkms_config_connector_for_each_possible_encoder(connector_cfg,
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idx,
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possible_encoder) {
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ret = drm_connector_attach_encoder(&connector_cfg->connector->base,
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possible_encoder->encoder);
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if (ret) {
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DRM_ERROR("Failed to attach connector to encoder\n");
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return ret;
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}
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}
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}
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drm_mode_config_reset(dev);
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return 0;
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}
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