11c248b7dSInki Dae /* exynos_drm_crtc.c 21c248b7dSInki Dae * 31c248b7dSInki Dae * Copyright (c) 2011 Samsung Electronics Co., Ltd. 41c248b7dSInki Dae * Authors: 51c248b7dSInki Dae * Inki Dae <inki.dae@samsung.com> 61c248b7dSInki Dae * Joonyoung Shim <jy0922.shim@samsung.com> 71c248b7dSInki Dae * Seung-Woo Kim <sw0312.kim@samsung.com> 81c248b7dSInki Dae * 9d81aecb5SInki Dae * This program is free software; you can redistribute it and/or modify it 10d81aecb5SInki Dae * under the terms of the GNU General Public License as published by the 11d81aecb5SInki Dae * Free Software Foundation; either version 2 of the License, or (at your 12d81aecb5SInki Dae * option) any later version. 131c248b7dSInki Dae */ 141c248b7dSInki Dae 15760285e7SDavid Howells #include <drm/drmP.h> 16760285e7SDavid Howells #include <drm/drm_crtc_helper.h> 171c248b7dSInki Dae 181c248b7dSInki Dae #include "exynos_drm_drv.h" 191c248b7dSInki Dae #include "exynos_drm_encoder.h" 20b5d2eb3bSJoonyoung Shim #include "exynos_drm_plane.h" 211c248b7dSInki Dae 221c248b7dSInki Dae #define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc,\ 231c248b7dSInki Dae drm_crtc) 241c248b7dSInki Dae 253b8d1cf8SJoonyoung Shim enum exynos_crtc_mode { 263b8d1cf8SJoonyoung Shim CRTC_MODE_NORMAL, /* normal mode */ 273b8d1cf8SJoonyoung Shim CRTC_MODE_BLANK, /* The private plane of crtc is blank */ 283b8d1cf8SJoonyoung Shim }; 293b8d1cf8SJoonyoung Shim 301c248b7dSInki Dae /* 311c248b7dSInki Dae * Exynos specific crtc structure. 321c248b7dSInki Dae * 331c248b7dSInki Dae * @drm_crtc: crtc object. 34b5d2eb3bSJoonyoung Shim * @drm_plane: pointer of private plane object for this crtc 351c248b7dSInki Dae * @pipe: a crtc index created at load() with a new crtc object creation 361c248b7dSInki Dae * and the crtc object would be set to private->crtc array 371c248b7dSInki Dae * to get a crtc object corresponding to this pipe from private->crtc 381c248b7dSInki Dae * array when irq interrupt occured. the reason of using this pipe is that 391c248b7dSInki Dae * drm framework doesn't support multiple irq yet. 401c248b7dSInki Dae * we can refer to the crtc to current hardware interrupt occured through 411c248b7dSInki Dae * this pipe value. 42ec05da95SInki Dae * @dpms: store the crtc dpms value 433b8d1cf8SJoonyoung Shim * @mode: store the crtc mode value 441c248b7dSInki Dae */ 451c248b7dSInki Dae struct exynos_drm_crtc { 461c248b7dSInki Dae struct drm_crtc drm_crtc; 47b5d2eb3bSJoonyoung Shim struct drm_plane *plane; 481c248b7dSInki Dae unsigned int pipe; 49ec05da95SInki Dae unsigned int dpms; 503b8d1cf8SJoonyoung Shim enum exynos_crtc_mode mode; 5120cd2640SInki Dae wait_queue_head_t pending_flip_queue; 5220cd2640SInki Dae atomic_t pending_flip; 531c248b7dSInki Dae }; 541c248b7dSInki Dae 551c248b7dSInki Dae static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode) 561c248b7dSInki Dae { 57d2716c89SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 581c248b7dSInki Dae 59d2716c89SJoonyoung Shim DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode); 60d2716c89SJoonyoung Shim 61ec05da95SInki Dae if (exynos_crtc->dpms == mode) { 62ec05da95SInki Dae DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n"); 63ec05da95SInki Dae return; 64ec05da95SInki Dae } 65ec05da95SInki Dae 6620cd2640SInki Dae if (mode > DRM_MODE_DPMS_ON) { 6720cd2640SInki Dae /* wait for the completion of page flip. */ 6820cd2640SInki Dae wait_event(exynos_crtc->pending_flip_queue, 6920cd2640SInki Dae atomic_read(&exynos_crtc->pending_flip) == 0); 7020cd2640SInki Dae drm_vblank_off(crtc->dev, exynos_crtc->pipe); 7120cd2640SInki Dae } 7220cd2640SInki Dae 73cf5188acSJoonyoung Shim exynos_drm_fn_encoder(crtc, &mode, exynos_drm_encoder_crtc_dpms); 74ec05da95SInki Dae exynos_crtc->dpms = mode; 751c248b7dSInki Dae } 761c248b7dSInki Dae 771c248b7dSInki Dae static void exynos_drm_crtc_prepare(struct drm_crtc *crtc) 781c248b7dSInki Dae { 791c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 801c248b7dSInki Dae 811c248b7dSInki Dae /* drm framework doesn't check NULL. */ 821c248b7dSInki Dae } 831c248b7dSInki Dae 841c248b7dSInki Dae static void exynos_drm_crtc_commit(struct drm_crtc *crtc) 851c248b7dSInki Dae { 86d2716c89SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 87d2716c89SJoonyoung Shim 881c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 891c248b7dSInki Dae 9050caf25cSInki Dae exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 914070d212SJoonyoung Shim exynos_plane_commit(exynos_crtc->plane); 92cf5188acSJoonyoung Shim exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_ON); 931c248b7dSInki Dae } 941c248b7dSInki Dae 951c248b7dSInki Dae static bool 961c248b7dSInki Dae exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc, 97e811f5aeSLaurent Pinchart const struct drm_display_mode *mode, 981c248b7dSInki Dae struct drm_display_mode *adjusted_mode) 991c248b7dSInki Dae { 1001c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 1011c248b7dSInki Dae 1021c248b7dSInki Dae /* drm framework doesn't check NULL */ 1031c248b7dSInki Dae return true; 1041c248b7dSInki Dae } 1051c248b7dSInki Dae 1061c248b7dSInki Dae static int 1071c248b7dSInki Dae exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, 1081c248b7dSInki Dae struct drm_display_mode *adjusted_mode, int x, int y, 1091c248b7dSInki Dae struct drm_framebuffer *old_fb) 1101c248b7dSInki Dae { 111aeb29224SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 1124070d212SJoonyoung Shim struct drm_plane *plane = exynos_crtc->plane; 1134070d212SJoonyoung Shim unsigned int crtc_w; 1144070d212SJoonyoung Shim unsigned int crtc_h; 115d249ce02SJoonyoung Shim int pipe = exynos_crtc->pipe; 116aeb29224SJoonyoung Shim int ret; 117aeb29224SJoonyoung Shim 1181c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 1191c248b7dSInki Dae 1201de425b0SInki Dae /* 1211de425b0SInki Dae * copy the mode data adjusted by mode_fixup() into crtc->mode 1221de425b0SInki Dae * so that hardware can be seet to proper mode. 1231de425b0SInki Dae */ 1241de425b0SInki Dae memcpy(&crtc->mode, adjusted_mode, sizeof(*adjusted_mode)); 1251c248b7dSInki Dae 1264070d212SJoonyoung Shim crtc_w = crtc->fb->width - x; 1274070d212SJoonyoung Shim crtc_h = crtc->fb->height - y; 1284070d212SJoonyoung Shim 1294070d212SJoonyoung Shim ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h, 1304070d212SJoonyoung Shim x, y, crtc_w, crtc_h); 131aeb29224SJoonyoung Shim if (ret) 132aeb29224SJoonyoung Shim return ret; 133aeb29224SJoonyoung Shim 1344070d212SJoonyoung Shim plane->crtc = crtc; 1354070d212SJoonyoung Shim plane->fb = crtc->fb; 1364070d212SJoonyoung Shim 137d249ce02SJoonyoung Shim exynos_drm_fn_encoder(crtc, &pipe, exynos_drm_encoder_crtc_pipe); 138aeb29224SJoonyoung Shim 139aeb29224SJoonyoung Shim return 0; 1401c248b7dSInki Dae } 1411c248b7dSInki Dae 1427fd65df1SInki Dae static int exynos_drm_crtc_mode_set_commit(struct drm_crtc *crtc, int x, int y, 1431c248b7dSInki Dae struct drm_framebuffer *old_fb) 1441c248b7dSInki Dae { 1454070d212SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 1464070d212SJoonyoung Shim struct drm_plane *plane = exynos_crtc->plane; 1474070d212SJoonyoung Shim unsigned int crtc_w; 1484070d212SJoonyoung Shim unsigned int crtc_h; 1491c248b7dSInki Dae int ret; 1501c248b7dSInki Dae 1511c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 1521c248b7dSInki Dae 15332aeab17SInki Dae /* when framebuffer changing is requested, crtc's dpms should be on */ 15432aeab17SInki Dae if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) { 15532aeab17SInki Dae DRM_ERROR("failed framebuffer changing request.\n"); 15632aeab17SInki Dae return -EPERM; 15732aeab17SInki Dae } 15832aeab17SInki Dae 1594070d212SJoonyoung Shim crtc_w = crtc->fb->width - x; 1604070d212SJoonyoung Shim crtc_h = crtc->fb->height - y; 1614070d212SJoonyoung Shim 1624070d212SJoonyoung Shim ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h, 1634070d212SJoonyoung Shim x, y, crtc_w, crtc_h); 1641c248b7dSInki Dae if (ret) 1651c248b7dSInki Dae return ret; 1661c248b7dSInki Dae 167bebab8ffSJoonyoung Shim exynos_drm_crtc_commit(crtc); 1681c248b7dSInki Dae 1694070d212SJoonyoung Shim return 0; 1701c248b7dSInki Dae } 1711c248b7dSInki Dae 1727fd65df1SInki Dae static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, 1737fd65df1SInki Dae struct drm_framebuffer *old_fb) 1747fd65df1SInki Dae { 1757fd65df1SInki Dae return exynos_drm_crtc_mode_set_commit(crtc, x, y, old_fb); 1767fd65df1SInki Dae } 1777fd65df1SInki Dae 178a365d9ebSJoonyoung Shim static void exynos_drm_crtc_disable(struct drm_crtc *crtc) 179a365d9ebSJoonyoung Shim { 180a365d9ebSJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 181a365d9ebSJoonyoung Shim 182a365d9ebSJoonyoung Shim DRM_DEBUG_KMS("%s\n", __FILE__); 183a365d9ebSJoonyoung Shim 184a365d9ebSJoonyoung Shim exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_OFF); 185a365d9ebSJoonyoung Shim exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 186a365d9ebSJoonyoung Shim } 187a365d9ebSJoonyoung Shim 1881c248b7dSInki Dae static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { 1891c248b7dSInki Dae .dpms = exynos_drm_crtc_dpms, 1901c248b7dSInki Dae .prepare = exynos_drm_crtc_prepare, 1911c248b7dSInki Dae .commit = exynos_drm_crtc_commit, 1921c248b7dSInki Dae .mode_fixup = exynos_drm_crtc_mode_fixup, 1931c248b7dSInki Dae .mode_set = exynos_drm_crtc_mode_set, 1941c248b7dSInki Dae .mode_set_base = exynos_drm_crtc_mode_set_base, 195a365d9ebSJoonyoung Shim .disable = exynos_drm_crtc_disable, 1961c248b7dSInki Dae }; 1971c248b7dSInki Dae 1981c248b7dSInki Dae static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc, 1991c248b7dSInki Dae struct drm_framebuffer *fb, 2001c248b7dSInki Dae struct drm_pending_vblank_event *event) 2011c248b7dSInki Dae { 2021c248b7dSInki Dae struct drm_device *dev = crtc->dev; 2031c248b7dSInki Dae struct exynos_drm_private *dev_priv = dev->dev_private; 2041c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 2051c248b7dSInki Dae struct drm_framebuffer *old_fb = crtc->fb; 2061c248b7dSInki Dae int ret = -EINVAL; 2071c248b7dSInki Dae 2081c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 2091c248b7dSInki Dae 210ef6223dcSInki Dae /* when the page flip is requested, crtc's dpms should be on */ 211ef6223dcSInki Dae if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) { 212ef6223dcSInki Dae DRM_ERROR("failed page flip request.\n"); 213ef6223dcSInki Dae return -EINVAL; 214ef6223dcSInki Dae } 215ef6223dcSInki Dae 2161c248b7dSInki Dae mutex_lock(&dev->struct_mutex); 2171c248b7dSInki Dae 218ccf4d883SInki Dae if (event) { 219ccf4d883SInki Dae /* 220ccf4d883SInki Dae * the pipe from user always is 0 so we can set pipe number 221ccf4d883SInki Dae * of current owner to event. 222ccf4d883SInki Dae */ 223ccf4d883SInki Dae event->pipe = exynos_crtc->pipe; 224ccf4d883SInki Dae 2251c248b7dSInki Dae ret = drm_vblank_get(dev, exynos_crtc->pipe); 2261c248b7dSInki Dae if (ret) { 2271c248b7dSInki Dae DRM_DEBUG("failed to acquire vblank counter\n"); 228ccf4d883SInki Dae 2291c248b7dSInki Dae goto out; 2301c248b7dSInki Dae } 2311c248b7dSInki Dae 23285473328SImre Deak spin_lock_irq(&dev->event_lock); 233c5614ae3SInki Dae list_add_tail(&event->base.link, 234c5614ae3SInki Dae &dev_priv->pageflip_event_list); 23520cd2640SInki Dae atomic_set(&exynos_crtc->pending_flip, 1); 23685473328SImre Deak spin_unlock_irq(&dev->event_lock); 237c5614ae3SInki Dae 2381c248b7dSInki Dae crtc->fb = fb; 2397fd65df1SInki Dae ret = exynos_drm_crtc_mode_set_commit(crtc, crtc->x, crtc->y, 2404070d212SJoonyoung Shim NULL); 2411c248b7dSInki Dae if (ret) { 2421c248b7dSInki Dae crtc->fb = old_fb; 24385473328SImre Deak 24485473328SImre Deak spin_lock_irq(&dev->event_lock); 2451c248b7dSInki Dae drm_vblank_put(dev, exynos_crtc->pipe); 246ccf4d883SInki Dae list_del(&event->base.link); 24785473328SImre Deak spin_unlock_irq(&dev->event_lock); 2481c248b7dSInki Dae 2491c248b7dSInki Dae goto out; 2501c248b7dSInki Dae } 2511c248b7dSInki Dae } 2521c248b7dSInki Dae out: 2531c248b7dSInki Dae mutex_unlock(&dev->struct_mutex); 2541c248b7dSInki Dae return ret; 2551c248b7dSInki Dae } 2561c248b7dSInki Dae 2571c248b7dSInki Dae static void exynos_drm_crtc_destroy(struct drm_crtc *crtc) 2581c248b7dSInki Dae { 2591c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 2601c248b7dSInki Dae struct exynos_drm_private *private = crtc->dev->dev_private; 2611c248b7dSInki Dae 2621c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 2631c248b7dSInki Dae 2641c248b7dSInki Dae private->crtc[exynos_crtc->pipe] = NULL; 2651c248b7dSInki Dae 2661c248b7dSInki Dae drm_crtc_cleanup(crtc); 2671c248b7dSInki Dae kfree(exynos_crtc); 2681c248b7dSInki Dae } 2691c248b7dSInki Dae 2703b8d1cf8SJoonyoung Shim static int exynos_drm_crtc_set_property(struct drm_crtc *crtc, 2713b8d1cf8SJoonyoung Shim struct drm_property *property, 2723b8d1cf8SJoonyoung Shim uint64_t val) 2733b8d1cf8SJoonyoung Shim { 2743b8d1cf8SJoonyoung Shim struct drm_device *dev = crtc->dev; 2753b8d1cf8SJoonyoung Shim struct exynos_drm_private *dev_priv = dev->dev_private; 2763b8d1cf8SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 2773b8d1cf8SJoonyoung Shim 2783b8d1cf8SJoonyoung Shim DRM_DEBUG_KMS("%s\n", __func__); 2793b8d1cf8SJoonyoung Shim 2803b8d1cf8SJoonyoung Shim if (property == dev_priv->crtc_mode_property) { 2813b8d1cf8SJoonyoung Shim enum exynos_crtc_mode mode = val; 2823b8d1cf8SJoonyoung Shim 2833b8d1cf8SJoonyoung Shim if (mode == exynos_crtc->mode) 2843b8d1cf8SJoonyoung Shim return 0; 2853b8d1cf8SJoonyoung Shim 2863b8d1cf8SJoonyoung Shim exynos_crtc->mode = mode; 2873b8d1cf8SJoonyoung Shim 2883b8d1cf8SJoonyoung Shim switch (mode) { 2893b8d1cf8SJoonyoung Shim case CRTC_MODE_NORMAL: 2903b8d1cf8SJoonyoung Shim exynos_drm_crtc_commit(crtc); 2913b8d1cf8SJoonyoung Shim break; 2923b8d1cf8SJoonyoung Shim case CRTC_MODE_BLANK: 2933b8d1cf8SJoonyoung Shim exynos_plane_dpms(exynos_crtc->plane, 2943b8d1cf8SJoonyoung Shim DRM_MODE_DPMS_OFF); 2953b8d1cf8SJoonyoung Shim break; 2963b8d1cf8SJoonyoung Shim default: 2973b8d1cf8SJoonyoung Shim break; 2983b8d1cf8SJoonyoung Shim } 2993b8d1cf8SJoonyoung Shim 3003b8d1cf8SJoonyoung Shim return 0; 3013b8d1cf8SJoonyoung Shim } 3023b8d1cf8SJoonyoung Shim 3033b8d1cf8SJoonyoung Shim return -EINVAL; 3043b8d1cf8SJoonyoung Shim } 3053b8d1cf8SJoonyoung Shim 3061c248b7dSInki Dae static struct drm_crtc_funcs exynos_crtc_funcs = { 3071c248b7dSInki Dae .set_config = drm_crtc_helper_set_config, 3081c248b7dSInki Dae .page_flip = exynos_drm_crtc_page_flip, 3091c248b7dSInki Dae .destroy = exynos_drm_crtc_destroy, 3103b8d1cf8SJoonyoung Shim .set_property = exynos_drm_crtc_set_property, 3111c248b7dSInki Dae }; 3121c248b7dSInki Dae 3133b8d1cf8SJoonyoung Shim static const struct drm_prop_enum_list mode_names[] = { 3143b8d1cf8SJoonyoung Shim { CRTC_MODE_NORMAL, "normal" }, 3153b8d1cf8SJoonyoung Shim { CRTC_MODE_BLANK, "blank" }, 3163b8d1cf8SJoonyoung Shim }; 3173b8d1cf8SJoonyoung Shim 3183b8d1cf8SJoonyoung Shim static void exynos_drm_crtc_attach_mode_property(struct drm_crtc *crtc) 3193b8d1cf8SJoonyoung Shim { 3203b8d1cf8SJoonyoung Shim struct drm_device *dev = crtc->dev; 3213b8d1cf8SJoonyoung Shim struct exynos_drm_private *dev_priv = dev->dev_private; 3223b8d1cf8SJoonyoung Shim struct drm_property *prop; 3233b8d1cf8SJoonyoung Shim 3243b8d1cf8SJoonyoung Shim DRM_DEBUG_KMS("%s\n", __func__); 3253b8d1cf8SJoonyoung Shim 3263b8d1cf8SJoonyoung Shim prop = dev_priv->crtc_mode_property; 3273b8d1cf8SJoonyoung Shim if (!prop) { 3283b8d1cf8SJoonyoung Shim prop = drm_property_create_enum(dev, 0, "mode", mode_names, 3293b8d1cf8SJoonyoung Shim ARRAY_SIZE(mode_names)); 3303b8d1cf8SJoonyoung Shim if (!prop) 3313b8d1cf8SJoonyoung Shim return; 3323b8d1cf8SJoonyoung Shim 3333b8d1cf8SJoonyoung Shim dev_priv->crtc_mode_property = prop; 3343b8d1cf8SJoonyoung Shim } 3353b8d1cf8SJoonyoung Shim 3363b8d1cf8SJoonyoung Shim drm_object_attach_property(&crtc->base, prop, 0); 3373b8d1cf8SJoonyoung Shim } 3383b8d1cf8SJoonyoung Shim 3391c248b7dSInki Dae int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr) 3401c248b7dSInki Dae { 3411c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc; 3421c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 3431c248b7dSInki Dae struct drm_crtc *crtc; 3441c248b7dSInki Dae 3451c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 3461c248b7dSInki Dae 3471c248b7dSInki Dae exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL); 3481c248b7dSInki Dae if (!exynos_crtc) { 3491c248b7dSInki Dae DRM_ERROR("failed to allocate exynos crtc\n"); 3501c248b7dSInki Dae return -ENOMEM; 3511c248b7dSInki Dae } 3521c248b7dSInki Dae 3531c248b7dSInki Dae exynos_crtc->pipe = nr; 354ec05da95SInki Dae exynos_crtc->dpms = DRM_MODE_DPMS_OFF; 35520cd2640SInki Dae init_waitqueue_head(&exynos_crtc->pending_flip_queue); 35620cd2640SInki Dae atomic_set(&exynos_crtc->pending_flip, 0); 357b5d2eb3bSJoonyoung Shim exynos_crtc->plane = exynos_plane_init(dev, 1 << nr, true); 358b5d2eb3bSJoonyoung Shim if (!exynos_crtc->plane) { 359b5d2eb3bSJoonyoung Shim kfree(exynos_crtc); 360b5d2eb3bSJoonyoung Shim return -ENOMEM; 361b5d2eb3bSJoonyoung Shim } 362b5d2eb3bSJoonyoung Shim 3631c248b7dSInki Dae crtc = &exynos_crtc->drm_crtc; 3641c248b7dSInki Dae 3651c248b7dSInki Dae private->crtc[nr] = crtc; 3661c248b7dSInki Dae 3671c248b7dSInki Dae drm_crtc_init(dev, crtc, &exynos_crtc_funcs); 3681c248b7dSInki Dae drm_crtc_helper_add(crtc, &exynos_crtc_helper_funcs); 3691c248b7dSInki Dae 3703b8d1cf8SJoonyoung Shim exynos_drm_crtc_attach_mode_property(crtc); 3713b8d1cf8SJoonyoung Shim 3721c248b7dSInki Dae return 0; 3731c248b7dSInki Dae } 3741c248b7dSInki Dae 3751c248b7dSInki Dae int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc) 3761c248b7dSInki Dae { 3771c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 378ec05da95SInki Dae struct exynos_drm_crtc *exynos_crtc = 379ec05da95SInki Dae to_exynos_crtc(private->crtc[crtc]); 3801c248b7dSInki Dae 3811c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 3821c248b7dSInki Dae 383ec05da95SInki Dae if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) 384ec05da95SInki Dae return -EPERM; 385ec05da95SInki Dae 3861c248b7dSInki Dae exynos_drm_fn_encoder(private->crtc[crtc], &crtc, 3871c248b7dSInki Dae exynos_drm_enable_vblank); 3881c248b7dSInki Dae 3891c248b7dSInki Dae return 0; 3901c248b7dSInki Dae } 3911c248b7dSInki Dae 3921c248b7dSInki Dae void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc) 3931c248b7dSInki Dae { 3941c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 395ec05da95SInki Dae struct exynos_drm_crtc *exynos_crtc = 396ec05da95SInki Dae to_exynos_crtc(private->crtc[crtc]); 3971c248b7dSInki Dae 3981c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 3991c248b7dSInki Dae 400ec05da95SInki Dae if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) 401ec05da95SInki Dae return; 402ec05da95SInki Dae 4031c248b7dSInki Dae exynos_drm_fn_encoder(private->crtc[crtc], &crtc, 4041c248b7dSInki Dae exynos_drm_disable_vblank); 4051c248b7dSInki Dae } 406663d8766SRahul Sharma 407663d8766SRahul Sharma void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc) 408663d8766SRahul Sharma { 409663d8766SRahul Sharma struct exynos_drm_private *dev_priv = dev->dev_private; 410663d8766SRahul Sharma struct drm_pending_vblank_event *e, *t; 41120cd2640SInki Dae struct drm_crtc *drm_crtc = dev_priv->crtc[crtc]; 41220cd2640SInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(drm_crtc); 413663d8766SRahul Sharma unsigned long flags; 414663d8766SRahul Sharma 415663d8766SRahul Sharma DRM_DEBUG_KMS("%s\n", __FILE__); 416663d8766SRahul Sharma 417663d8766SRahul Sharma spin_lock_irqsave(&dev->event_lock, flags); 418663d8766SRahul Sharma 419663d8766SRahul Sharma list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list, 420663d8766SRahul Sharma base.link) { 421663d8766SRahul Sharma /* if event's pipe isn't same as crtc then ignore it. */ 422663d8766SRahul Sharma if (crtc != e->pipe) 423663d8766SRahul Sharma continue; 424663d8766SRahul Sharma 425c5cca97fSRob Clark list_del(&e->base.link); 426c5cca97fSRob Clark drm_send_vblank_event(dev, -1, e); 427663d8766SRahul Sharma drm_vblank_put(dev, crtc); 42820cd2640SInki Dae atomic_set(&exynos_crtc->pending_flip, 0); 42920cd2640SInki Dae wake_up(&exynos_crtc->pending_flip_queue); 430663d8766SRahul Sharma } 431663d8766SRahul Sharma 432663d8766SRahul Sharma spin_unlock_irqrestore(&dev->event_lock, flags); 433663d8766SRahul Sharma } 434