1e2842570SBenjamin Gaignard // SPDX-License-Identifier: GPL-2.0 29e1f05b2SVincent Abriou /* 39e1f05b2SVincent Abriou * Copyright (C) STMicroelectronics SA 2014 49e1f05b2SVincent Abriou * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> 59e1f05b2SVincent Abriou * Fabien Dessenne <fabien.dessenne@st.com> 69e1f05b2SVincent Abriou * for STMicroelectronics. 79e1f05b2SVincent Abriou */ 89e1f05b2SVincent Abriou 99e1f05b2SVincent Abriou #include <linux/clk.h> 109e1f05b2SVincent Abriou 119e1f05b2SVincent Abriou #include <drm/drm_atomic.h> 129e1f05b2SVincent Abriou #include <drm/drm_atomic_helper.h> 135e2f97a9SSam Ravnborg #include <drm/drm_device.h> 149e1f05b2SVincent Abriou #include <drm/drm_plane_helper.h> 155e2f97a9SSam Ravnborg #include <drm/drm_print.h> 16fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 175e2f97a9SSam Ravnborg #include <drm/drm_vblank.h> 189e1f05b2SVincent Abriou 199e1f05b2SVincent Abriou #include "sti_compositor.h" 209e1f05b2SVincent Abriou #include "sti_crtc.h" 219e1f05b2SVincent Abriou #include "sti_drv.h" 2229d1dc62SVincent Abriou #include "sti_vid.h" 239e1f05b2SVincent Abriou #include "sti_vtg.h" 249e1f05b2SVincent Abriou 250b20a0f8SLaurent Pinchart static void sti_crtc_atomic_enable(struct drm_crtc *crtc, 26351f950dSMaxime Ripard struct drm_atomic_state *state) 279e1f05b2SVincent Abriou { 289e1f05b2SVincent Abriou struct sti_mixer *mixer = to_sti_mixer(crtc); 299e1f05b2SVincent Abriou 3029d1dc62SVincent Abriou DRM_DEBUG_DRIVER("\n"); 3129d1dc62SVincent Abriou 3229d1dc62SVincent Abriou mixer->status = STI_MIXER_READY; 339e1f05b2SVincent Abriou 3429d1dc62SVincent Abriou drm_crtc_vblank_on(crtc); 359e1f05b2SVincent Abriou } 369e1f05b2SVincent Abriou 3764581714SLaurent Pinchart static void sti_crtc_atomic_disable(struct drm_crtc *crtc, 38351f950dSMaxime Ripard struct drm_atomic_state *state) 399e1f05b2SVincent Abriou { 409e1f05b2SVincent Abriou struct sti_mixer *mixer = to_sti_mixer(crtc); 419e1f05b2SVincent Abriou 4229d1dc62SVincent Abriou DRM_DEBUG_DRIVER("\n"); 439e1f05b2SVincent Abriou 4429d1dc62SVincent Abriou mixer->status = STI_MIXER_DISABLING; 45885054f9SBenjamin Gaignard 46885054f9SBenjamin Gaignard drm_crtc_wait_one_vblank(crtc); 479e1f05b2SVincent Abriou } 489e1f05b2SVincent Abriou 499e1f05b2SVincent Abriou static int 509e1f05b2SVincent Abriou sti_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode) 519e1f05b2SVincent Abriou { 529e1f05b2SVincent Abriou struct sti_mixer *mixer = to_sti_mixer(crtc); 539e1f05b2SVincent Abriou struct device *dev = mixer->dev; 549e1f05b2SVincent Abriou struct sti_compositor *compo = dev_get_drvdata(dev); 5532e14592SBenjamin Gaignard struct clk *compo_clk, *pix_clk; 569e1f05b2SVincent Abriou int rate = mode->clock * 1000; 579e1f05b2SVincent Abriou 585e8345a0SShayenne Moura DRM_DEBUG_KMS("CRTC:%d (%s) mode: (%s)\n", 595e8345a0SShayenne Moura crtc->base.id, sti_mixer_to_str(mixer), mode->name); 609e1f05b2SVincent Abriou 615e8345a0SShayenne Moura DRM_DEBUG_KMS(DRM_MODE_FMT "\n", DRM_MODE_ARG(mode)); 629e1f05b2SVincent Abriou 6332e14592SBenjamin Gaignard if (mixer->id == STI_MIXER_MAIN) { 6432e14592SBenjamin Gaignard compo_clk = compo->clk_compo_main; 6532e14592SBenjamin Gaignard pix_clk = compo->clk_pix_main; 6632e14592SBenjamin Gaignard } else { 6732e14592SBenjamin Gaignard compo_clk = compo->clk_compo_aux; 6832e14592SBenjamin Gaignard pix_clk = compo->clk_pix_aux; 699e1f05b2SVincent Abriou } 7032e14592SBenjamin Gaignard 7132e14592SBenjamin Gaignard /* Prepare and enable the compo IP clock */ 7232e14592SBenjamin Gaignard if (clk_prepare_enable(compo_clk)) { 7332e14592SBenjamin Gaignard DRM_INFO("Failed to prepare/enable compositor clk\n"); 7432e14592SBenjamin Gaignard goto compo_error; 7532e14592SBenjamin Gaignard } 7632e14592SBenjamin Gaignard 7732e14592SBenjamin Gaignard /* Set rate and prepare/enable pixel clock */ 7832e14592SBenjamin Gaignard if (clk_set_rate(pix_clk, rate) < 0) { 7932e14592SBenjamin Gaignard DRM_ERROR("Cannot set rate (%dHz) for pix clk\n", rate); 8032e14592SBenjamin Gaignard goto pix_error; 8132e14592SBenjamin Gaignard } 8232e14592SBenjamin Gaignard if (clk_prepare_enable(pix_clk)) { 839e1f05b2SVincent Abriou DRM_ERROR("Failed to prepare/enable pix clk\n"); 8432e14592SBenjamin Gaignard goto pix_error; 859e1f05b2SVincent Abriou } 869e1f05b2SVincent Abriou 87ffdbb82cSFabien Dessenne sti_vtg_set_config(compo->vtg[mixer->id], &crtc->mode); 889e1f05b2SVincent Abriou 8932e14592SBenjamin Gaignard if (sti_mixer_active_video_area(mixer, &crtc->mode)) { 909e1f05b2SVincent Abriou DRM_ERROR("Can't set active video area\n"); 9132e14592SBenjamin Gaignard goto mixer_error; 929e1f05b2SVincent Abriou } 939e1f05b2SVincent Abriou 9432e14592SBenjamin Gaignard return 0; 9532e14592SBenjamin Gaignard 9632e14592SBenjamin Gaignard mixer_error: 9732e14592SBenjamin Gaignard clk_disable_unprepare(pix_clk); 9832e14592SBenjamin Gaignard pix_error: 9932e14592SBenjamin Gaignard clk_disable_unprepare(compo_clk); 10032e14592SBenjamin Gaignard compo_error: 10132e14592SBenjamin Gaignard return -EINVAL; 1029e1f05b2SVincent Abriou } 1039e1f05b2SVincent Abriou 1049e1f05b2SVincent Abriou static void sti_crtc_disable(struct drm_crtc *crtc) 1059e1f05b2SVincent Abriou { 1069e1f05b2SVincent Abriou struct sti_mixer *mixer = to_sti_mixer(crtc); 1079e1f05b2SVincent Abriou struct device *dev = mixer->dev; 1089e1f05b2SVincent Abriou struct sti_compositor *compo = dev_get_drvdata(dev); 1099e1f05b2SVincent Abriou 1109e1f05b2SVincent Abriou DRM_DEBUG_KMS("CRTC:%d (%s)\n", crtc->base.id, sti_mixer_to_str(mixer)); 1119e1f05b2SVincent Abriou 1129e1f05b2SVincent Abriou /* Disable Background */ 1139e1f05b2SVincent Abriou sti_mixer_set_background_status(mixer, false); 1149e1f05b2SVincent Abriou 1159e1f05b2SVincent Abriou drm_crtc_vblank_off(crtc); 1169e1f05b2SVincent Abriou 1179e1f05b2SVincent Abriou /* Disable pixel clock and compo IP clocks */ 1189e1f05b2SVincent Abriou if (mixer->id == STI_MIXER_MAIN) { 1199e1f05b2SVincent Abriou clk_disable_unprepare(compo->clk_pix_main); 1209e1f05b2SVincent Abriou clk_disable_unprepare(compo->clk_compo_main); 1219e1f05b2SVincent Abriou } else { 1229e1f05b2SVincent Abriou clk_disable_unprepare(compo->clk_pix_aux); 1239e1f05b2SVincent Abriou clk_disable_unprepare(compo->clk_compo_aux); 1249e1f05b2SVincent Abriou } 1259e1f05b2SVincent Abriou 12629d1dc62SVincent Abriou mixer->status = STI_MIXER_DISABLED; 1279e1f05b2SVincent Abriou } 1289e1f05b2SVincent Abriou 1299e1f05b2SVincent Abriou static void 1309e1f05b2SVincent Abriou sti_crtc_mode_set_nofb(struct drm_crtc *crtc) 1319e1f05b2SVincent Abriou { 1329e1f05b2SVincent Abriou sti_crtc_mode_set(crtc, &crtc->state->adjusted_mode); 1339e1f05b2SVincent Abriou } 1349e1f05b2SVincent Abriou 135e1474e7bSDave Airlie static void sti_crtc_atomic_flush(struct drm_crtc *crtc, 136*f6ebe9f9SMaxime Ripard struct drm_atomic_state *state) 1379e1f05b2SVincent Abriou { 13829d1dc62SVincent Abriou struct drm_device *drm_dev = crtc->dev; 13929d1dc62SVincent Abriou struct sti_mixer *mixer = to_sti_mixer(crtc); 14029d1dc62SVincent Abriou struct sti_compositor *compo = dev_get_drvdata(mixer->dev); 14129d1dc62SVincent Abriou struct drm_plane *p; 142c62052d1SFabien DESSENNE struct drm_pending_vblank_event *event; 143c62052d1SFabien DESSENNE unsigned long flags; 14429d1dc62SVincent Abriou 14529d1dc62SVincent Abriou DRM_DEBUG_DRIVER("\n"); 14629d1dc62SVincent Abriou 14729d1dc62SVincent Abriou /* perform plane actions */ 14829d1dc62SVincent Abriou list_for_each_entry(p, &drm_dev->mode_config.plane_list, head) { 14929d1dc62SVincent Abriou struct sti_plane *plane = to_sti_plane(p); 15029d1dc62SVincent Abriou 15129d1dc62SVincent Abriou switch (plane->status) { 15229d1dc62SVincent Abriou case STI_PLANE_UPDATED: 1533bc6b01dSFabien Dessenne /* ignore update for other CRTC */ 1543bc6b01dSFabien Dessenne if (p->state->crtc != crtc) 1553bc6b01dSFabien Dessenne continue; 1563bc6b01dSFabien Dessenne 15729d1dc62SVincent Abriou /* update planes tag as updated */ 15829d1dc62SVincent Abriou DRM_DEBUG_DRIVER("update plane %s\n", 15929d1dc62SVincent Abriou sti_plane_to_str(plane)); 16029d1dc62SVincent Abriou 16129d1dc62SVincent Abriou if (sti_mixer_set_plane_depth(mixer, plane)) { 16229d1dc62SVincent Abriou DRM_ERROR("Cannot set plane %s depth\n", 16329d1dc62SVincent Abriou sti_plane_to_str(plane)); 16429d1dc62SVincent Abriou break; 16529d1dc62SVincent Abriou } 16629d1dc62SVincent Abriou 16729d1dc62SVincent Abriou if (sti_mixer_set_plane_status(mixer, plane, true)) { 16829d1dc62SVincent Abriou DRM_ERROR("Cannot enable plane %s at mixer\n", 16929d1dc62SVincent Abriou sti_plane_to_str(plane)); 17029d1dc62SVincent Abriou break; 17129d1dc62SVincent Abriou } 17229d1dc62SVincent Abriou 17329d1dc62SVincent Abriou /* if plane is HQVDP_0 then commit the vid[0] */ 17429d1dc62SVincent Abriou if (plane->desc == STI_HQVDP_0) 17529d1dc62SVincent Abriou sti_vid_commit(compo->vid[0], p->state); 17629d1dc62SVincent Abriou 17729d1dc62SVincent Abriou plane->status = STI_PLANE_READY; 17829d1dc62SVincent Abriou 17929d1dc62SVincent Abriou break; 18029d1dc62SVincent Abriou case STI_PLANE_DISABLING: 18129d1dc62SVincent Abriou /* disabling sequence for planes tag as disabling */ 18229d1dc62SVincent Abriou DRM_DEBUG_DRIVER("disable plane %s from mixer\n", 18329d1dc62SVincent Abriou sti_plane_to_str(plane)); 18429d1dc62SVincent Abriou 18529d1dc62SVincent Abriou if (sti_mixer_set_plane_status(mixer, plane, false)) { 18629d1dc62SVincent Abriou DRM_ERROR("Cannot disable plane %s at mixer\n", 18729d1dc62SVincent Abriou sti_plane_to_str(plane)); 18829d1dc62SVincent Abriou continue; 18929d1dc62SVincent Abriou } 19029d1dc62SVincent Abriou 19129d1dc62SVincent Abriou if (plane->desc == STI_CURSOR) 19229d1dc62SVincent Abriou /* tag plane status for disabled */ 19329d1dc62SVincent Abriou plane->status = STI_PLANE_DISABLED; 19429d1dc62SVincent Abriou else 19529d1dc62SVincent Abriou /* tag plane status for flushing */ 19629d1dc62SVincent Abriou plane->status = STI_PLANE_FLUSHING; 19729d1dc62SVincent Abriou 19829d1dc62SVincent Abriou /* if plane is HQVDP_0 then disable the vid[0] */ 19929d1dc62SVincent Abriou if (plane->desc == STI_HQVDP_0) 20029d1dc62SVincent Abriou sti_vid_disable(compo->vid[0]); 20129d1dc62SVincent Abriou 20229d1dc62SVincent Abriou break; 20329d1dc62SVincent Abriou default: 20429d1dc62SVincent Abriou /* Other status case are not handled */ 20529d1dc62SVincent Abriou break; 20629d1dc62SVincent Abriou } 20729d1dc62SVincent Abriou } 208c62052d1SFabien DESSENNE 209c62052d1SFabien DESSENNE event = crtc->state->event; 210c62052d1SFabien DESSENNE if (event) { 211c62052d1SFabien DESSENNE crtc->state->event = NULL; 212c62052d1SFabien DESSENNE 213c62052d1SFabien DESSENNE spin_lock_irqsave(&crtc->dev->event_lock, flags); 214c62052d1SFabien DESSENNE if (drm_crtc_vblank_get(crtc) == 0) 215c62052d1SFabien DESSENNE drm_crtc_arm_vblank_event(crtc, event); 216c62052d1SFabien DESSENNE else 217c62052d1SFabien DESSENNE drm_crtc_send_vblank_event(crtc, event); 218c62052d1SFabien DESSENNE spin_unlock_irqrestore(&crtc->dev->event_lock, flags); 219c62052d1SFabien DESSENNE } 2209e1f05b2SVincent Abriou } 2219e1f05b2SVincent Abriou 222c5de4853SVille Syrjälä static const struct drm_crtc_helper_funcs sti_crtc_helper_funcs = { 2239e1f05b2SVincent Abriou .mode_set_nofb = sti_crtc_mode_set_nofb, 2249e1f05b2SVincent Abriou .atomic_flush = sti_crtc_atomic_flush, 2250b20a0f8SLaurent Pinchart .atomic_enable = sti_crtc_atomic_enable, 22664581714SLaurent Pinchart .atomic_disable = sti_crtc_atomic_disable, 2279e1f05b2SVincent Abriou }; 2289e1f05b2SVincent Abriou 2299e1f05b2SVincent Abriou static void sti_crtc_destroy(struct drm_crtc *crtc) 2309e1f05b2SVincent Abriou { 2319e1f05b2SVincent Abriou DRM_DEBUG_KMS("\n"); 2329e1f05b2SVincent Abriou drm_crtc_cleanup(crtc); 2339e1f05b2SVincent Abriou } 2349e1f05b2SVincent Abriou 2359e1f05b2SVincent Abriou static int sti_crtc_set_property(struct drm_crtc *crtc, 2369e1f05b2SVincent Abriou struct drm_property *property, 2379e1f05b2SVincent Abriou uint64_t val) 2389e1f05b2SVincent Abriou { 2399e1f05b2SVincent Abriou DRM_DEBUG_KMS("\n"); 2409e1f05b2SVincent Abriou return 0; 2419e1f05b2SVincent Abriou } 2429e1f05b2SVincent Abriou 2439e1f05b2SVincent Abriou int sti_crtc_vblank_cb(struct notifier_block *nb, 2449e1f05b2SVincent Abriou unsigned long event, void *data) 2459e1f05b2SVincent Abriou { 246ae217850SFabien Dessenne struct sti_compositor *compo; 2472388693eSThierry Reding struct drm_crtc *crtc = data; 2482388693eSThierry Reding struct sti_mixer *mixer; 2492388693eSThierry Reding unsigned int pipe; 2509e1f05b2SVincent Abriou 2512388693eSThierry Reding pipe = drm_crtc_index(crtc); 252ae217850SFabien Dessenne compo = container_of(nb, struct sti_compositor, vtg_vblank_nb[pipe]); 2532388693eSThierry Reding mixer = compo->mixer[pipe]; 2549e1f05b2SVincent Abriou 2559e1f05b2SVincent Abriou if ((event != VTG_TOP_FIELD_EVENT) && 2569e1f05b2SVincent Abriou (event != VTG_BOTTOM_FIELD_EVENT)) { 2579e1f05b2SVincent Abriou DRM_ERROR("unknown event: %lu\n", event); 2589e1f05b2SVincent Abriou return -EINVAL; 2599e1f05b2SVincent Abriou } 2609e1f05b2SVincent Abriou 2612388693eSThierry Reding drm_crtc_handle_vblank(crtc); 2629e1f05b2SVincent Abriou 2632388693eSThierry Reding if (mixer->status == STI_MIXER_DISABLING) { 26429d1dc62SVincent Abriou struct drm_plane *p; 26529d1dc62SVincent Abriou 26629d1dc62SVincent Abriou /* Disable mixer only if all overlay planes (GDP and VDP) 26729d1dc62SVincent Abriou * are disabled */ 2682388693eSThierry Reding list_for_each_entry(p, &crtc->dev->mode_config.plane_list, 2692388693eSThierry Reding head) { 27029d1dc62SVincent Abriou struct sti_plane *plane = to_sti_plane(p); 27129d1dc62SVincent Abriou 27229d1dc62SVincent Abriou if ((plane->desc & STI_PLANE_TYPE_MASK) <= STI_VDP) 27329d1dc62SVincent Abriou if (plane->status != STI_PLANE_DISABLED) 27429d1dc62SVincent Abriou return 0; 27529d1dc62SVincent Abriou } 2762388693eSThierry Reding sti_crtc_disable(crtc); 27729d1dc62SVincent Abriou } 27829d1dc62SVincent Abriou 2799e1f05b2SVincent Abriou return 0; 2809e1f05b2SVincent Abriou } 2819e1f05b2SVincent Abriou 28287b09c62SThomas Zimmermann static int sti_crtc_enable_vblank(struct drm_crtc *crtc) 2839e1f05b2SVincent Abriou { 28487b09c62SThomas Zimmermann struct drm_device *dev = crtc->dev; 28587b09c62SThomas Zimmermann unsigned int pipe = crtc->index; 2869e1f05b2SVincent Abriou struct sti_private *dev_priv = dev->dev_private; 2879e1f05b2SVincent Abriou struct sti_compositor *compo = dev_priv->compo; 288ae217850SFabien Dessenne struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb[pipe]; 289ffdbb82cSFabien Dessenne struct sti_vtg *vtg = compo->vtg[pipe]; 2909e1f05b2SVincent Abriou 2919e1f05b2SVincent Abriou DRM_DEBUG_DRIVER("\n"); 2929e1f05b2SVincent Abriou 293ffdbb82cSFabien Dessenne if (sti_vtg_register_client(vtg, vtg_vblank_nb, crtc)) { 2949e1f05b2SVincent Abriou DRM_ERROR("Cannot register VTG notifier\n"); 2959e1f05b2SVincent Abriou return -EINVAL; 2969e1f05b2SVincent Abriou } 2979e1f05b2SVincent Abriou 2989e1f05b2SVincent Abriou return 0; 2999e1f05b2SVincent Abriou } 3009e1f05b2SVincent Abriou 30187b09c62SThomas Zimmermann static void sti_crtc_disable_vblank(struct drm_crtc *crtc) 3029e1f05b2SVincent Abriou { 30387b09c62SThomas Zimmermann struct drm_device *drm_dev = crtc->dev; 30487b09c62SThomas Zimmermann unsigned int pipe = crtc->index; 30529d1dc62SVincent Abriou struct sti_private *priv = drm_dev->dev_private; 3069e1f05b2SVincent Abriou struct sti_compositor *compo = priv->compo; 307ae217850SFabien Dessenne struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb[pipe]; 308ffdbb82cSFabien Dessenne struct sti_vtg *vtg = compo->vtg[pipe]; 3099e1f05b2SVincent Abriou 3109e1f05b2SVincent Abriou DRM_DEBUG_DRIVER("\n"); 3119e1f05b2SVincent Abriou 312ffdbb82cSFabien Dessenne if (sti_vtg_unregister_client(vtg, vtg_vblank_nb)) 3139e1f05b2SVincent Abriou DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n"); 3149e1f05b2SVincent Abriou } 3159e1f05b2SVincent Abriou 31683af0a48SBenjamin Gaignard static int sti_crtc_late_register(struct drm_crtc *crtc) 31783af0a48SBenjamin Gaignard { 31883af0a48SBenjamin Gaignard struct sti_mixer *mixer = to_sti_mixer(crtc); 31983af0a48SBenjamin Gaignard struct sti_compositor *compo = dev_get_drvdata(mixer->dev); 32083af0a48SBenjamin Gaignard 32183af0a48SBenjamin Gaignard if (drm_crtc_index(crtc) == 0) 32254ac836bSWambui Karuga sti_compositor_debugfs_init(compo, crtc->dev->primary); 32383af0a48SBenjamin Gaignard 32483af0a48SBenjamin Gaignard return 0; 32583af0a48SBenjamin Gaignard } 32683af0a48SBenjamin Gaignard 327c5de4853SVille Syrjälä static const struct drm_crtc_funcs sti_crtc_funcs = { 3289e1f05b2SVincent Abriou .set_config = drm_atomic_helper_set_config, 3299e1f05b2SVincent Abriou .page_flip = drm_atomic_helper_page_flip, 3309e1f05b2SVincent Abriou .destroy = sti_crtc_destroy, 3319e1f05b2SVincent Abriou .set_property = sti_crtc_set_property, 3329e1f05b2SVincent Abriou .reset = drm_atomic_helper_crtc_reset, 3339e1f05b2SVincent Abriou .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, 3349e1f05b2SVincent Abriou .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, 33583af0a48SBenjamin Gaignard .late_register = sti_crtc_late_register, 33687b09c62SThomas Zimmermann .enable_vblank = sti_crtc_enable_vblank, 33787b09c62SThomas Zimmermann .disable_vblank = sti_crtc_disable_vblank, 3389e1f05b2SVincent Abriou }; 3399e1f05b2SVincent Abriou 3409e1f05b2SVincent Abriou bool sti_crtc_is_main(struct drm_crtc *crtc) 3419e1f05b2SVincent Abriou { 3429e1f05b2SVincent Abriou struct sti_mixer *mixer = to_sti_mixer(crtc); 3439e1f05b2SVincent Abriou 3449e1f05b2SVincent Abriou if (mixer->id == STI_MIXER_MAIN) 3459e1f05b2SVincent Abriou return true; 3469e1f05b2SVincent Abriou 3479e1f05b2SVincent Abriou return false; 3489e1f05b2SVincent Abriou } 3499e1f05b2SVincent Abriou 3509e1f05b2SVincent Abriou int sti_crtc_init(struct drm_device *drm_dev, struct sti_mixer *mixer, 3519e1f05b2SVincent Abriou struct drm_plane *primary, struct drm_plane *cursor) 3529e1f05b2SVincent Abriou { 3539e1f05b2SVincent Abriou struct drm_crtc *crtc = &mixer->drm_crtc; 3549e1f05b2SVincent Abriou int res; 3559e1f05b2SVincent Abriou 3569e1f05b2SVincent Abriou res = drm_crtc_init_with_planes(drm_dev, crtc, primary, cursor, 357f9882876SVille Syrjälä &sti_crtc_funcs, NULL); 3589e1f05b2SVincent Abriou if (res) { 359304f72e5SColin Ian King DRM_ERROR("Can't initialize CRTC\n"); 3609e1f05b2SVincent Abriou return -EINVAL; 3619e1f05b2SVincent Abriou } 3629e1f05b2SVincent Abriou 3639e1f05b2SVincent Abriou drm_crtc_helper_add(crtc, &sti_crtc_helper_funcs); 3649e1f05b2SVincent Abriou 3659e1f05b2SVincent Abriou DRM_DEBUG_DRIVER("drm CRTC:%d mapped to %s\n", 3669e1f05b2SVincent Abriou crtc->base.id, sti_mixer_to_str(mixer)); 3679e1f05b2SVincent Abriou 3689e1f05b2SVincent Abriou return 0; 3699e1f05b2SVincent Abriou } 370