Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
james qian wang (Arm Technology China) | 781 | 92.43% | 6 | 54.55% |
Lowry Li | 43 | 5.09% | 2 | 18.18% |
Abhinav Kumar | 11 | 1.30% | 1 | 9.09% |
Navid Emamdoost | 7 | 0.83% | 1 | 9.09% |
Ville Syrjälä | 3 | 0.36% | 1 | 9.09% |
Total | 845 | 11 |
// SPDX-License-Identifier: GPL-2.0 /* * (C) COPYRIGHT 2018 ARM Limited. All rights reserved. * Author: James.Qian.Wang <james.qian.wang@arm.com> * */ #include <drm/drm_framebuffer.h> #include "komeda_dev.h" #include "komeda_kms.h" static int komeda_wb_init_data_flow(struct komeda_layer *wb_layer, struct drm_connector_state *conn_st, struct komeda_crtc_state *kcrtc_st, struct komeda_data_flow_cfg *dflow) { struct drm_framebuffer *fb = conn_st->writeback_job->fb; memset(dflow, 0, sizeof(*dflow)); dflow->out_w = fb->width; dflow->out_h = fb->height; /* the write back data comes from the compiz */ pipeline_composition_size(kcrtc_st, &dflow->in_w, &dflow->in_h); dflow->input.component = &wb_layer->base.pipeline->compiz->base; /* compiz doesn't output alpha */ dflow->pixel_blend_mode = DRM_MODE_BLEND_PIXEL_NONE; dflow->rot = DRM_MODE_ROTATE_0; komeda_complete_data_flow_cfg(wb_layer, dflow, fb); return 0; } static int komeda_wb_encoder_atomic_check(struct drm_encoder *encoder, struct drm_crtc_state *crtc_st, struct drm_connector_state *conn_st) { struct komeda_crtc_state *kcrtc_st = to_kcrtc_st(crtc_st); struct drm_writeback_job *writeback_job = conn_st->writeback_job; struct komeda_layer *wb_layer; struct komeda_data_flow_cfg dflow; int err; if (!writeback_job) return 0; if (!crtc_st->active) { DRM_DEBUG_ATOMIC("Cannot write the composition result out on a inactive CRTC.\n"); return -EINVAL; } wb_layer = to_kconn(to_wb_conn(conn_st->connector))->wb_layer; /* * No need for a full modested when the only connector changed is the * writeback connector. */ if (crtc_st->connectors_changed && is_only_changed_connector(crtc_st, conn_st->connector)) crtc_st->connectors_changed = false; err = komeda_wb_init_data_flow(wb_layer, conn_st, kcrtc_st, &dflow); if (err) return err; if (dflow.en_split) err = komeda_build_wb_split_data_flow(wb_layer, conn_st, kcrtc_st, &dflow); else err = komeda_build_wb_data_flow(wb_layer, conn_st, kcrtc_st, &dflow); return err; } static const struct drm_encoder_helper_funcs komeda_wb_encoder_helper_funcs = { .atomic_check = komeda_wb_encoder_atomic_check, }; static int komeda_wb_connector_get_modes(struct drm_connector *connector) { return 0; } static enum drm_mode_status komeda_wb_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct drm_device *dev = connector->dev; struct drm_mode_config *mode_config = &dev->mode_config; int w = mode->hdisplay, h = mode->vdisplay; if ((w < mode_config->min_width) || (w > mode_config->max_width)) return MODE_BAD_HVALUE; if ((h < mode_config->min_height) || (h > mode_config->max_height)) return MODE_BAD_VVALUE; return MODE_OK; } static const struct drm_connector_helper_funcs komeda_wb_conn_helper_funcs = { .get_modes = komeda_wb_connector_get_modes, .mode_valid = komeda_wb_connector_mode_valid, }; static enum drm_connector_status komeda_wb_connector_detect(struct drm_connector *connector, bool force) { return connector_status_connected; } static int komeda_wb_connector_fill_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY) { return 0; } static void komeda_wb_connector_destroy(struct drm_connector *connector) { drm_connector_cleanup(connector); kfree(to_kconn(to_wb_conn(connector))); } static const struct drm_connector_funcs komeda_wb_connector_funcs = { .reset = drm_atomic_helper_connector_reset, .detect = komeda_wb_connector_detect, .fill_modes = komeda_wb_connector_fill_modes, .destroy = komeda_wb_connector_destroy, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; static int komeda_wb_connector_add(struct komeda_kms_dev *kms, struct komeda_crtc *kcrtc) { struct komeda_dev *mdev = kms->base.dev_private; struct komeda_wb_connector *kwb_conn; struct drm_writeback_connector *wb_conn; struct drm_display_info *info; u32 *formats, n_formats = 0; int err; if (!kcrtc->master->wb_layer) return 0; kwb_conn = kzalloc(sizeof(*kwb_conn), GFP_KERNEL); if (!kwb_conn) return -ENOMEM; kwb_conn->wb_layer = kcrtc->master->wb_layer; wb_conn = &kwb_conn->base; formats = komeda_get_layer_fourcc_list(&mdev->fmt_tbl, kwb_conn->wb_layer->layer_type, &n_formats); err = drm_writeback_connector_init(&kms->base, wb_conn, &komeda_wb_connector_funcs, &komeda_wb_encoder_helper_funcs, formats, n_formats, BIT(drm_crtc_index(&kcrtc->base))); komeda_put_fourcc_list(formats); if (err) { kfree(kwb_conn); return err; } drm_connector_helper_add(&wb_conn->base, &komeda_wb_conn_helper_funcs); info = &kwb_conn->base.base.display_info; info->bpc = __fls(kcrtc->master->improc->supported_color_depths); info->color_formats = kcrtc->master->improc->supported_color_formats; kcrtc->wb_conn = kwb_conn; return 0; } int komeda_kms_add_wb_connectors(struct komeda_kms_dev *kms, struct komeda_dev *mdev) { int i, err; for (i = 0; i < kms->n_crtcs; i++) { err = komeda_wb_connector_add(kms, &kms->crtcs[i]); if (err) return err; } return 0; }
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