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; 511c248b7dSInki Dae }; 521c248b7dSInki Dae 531c248b7dSInki Dae static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode) 541c248b7dSInki Dae { 55d2716c89SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 561c248b7dSInki Dae 57d2716c89SJoonyoung Shim DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode); 58d2716c89SJoonyoung Shim 59ec05da95SInki Dae if (exynos_crtc->dpms == mode) { 60ec05da95SInki Dae DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n"); 61ec05da95SInki Dae return; 62ec05da95SInki Dae } 63ec05da95SInki Dae 64cf5188acSJoonyoung Shim exynos_drm_fn_encoder(crtc, &mode, exynos_drm_encoder_crtc_dpms); 65ec05da95SInki Dae exynos_crtc->dpms = mode; 661c248b7dSInki Dae } 671c248b7dSInki Dae 681c248b7dSInki Dae static void exynos_drm_crtc_prepare(struct drm_crtc *crtc) 691c248b7dSInki Dae { 701c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 711c248b7dSInki Dae 721c248b7dSInki Dae /* drm framework doesn't check NULL. */ 731c248b7dSInki Dae } 741c248b7dSInki Dae 751c248b7dSInki Dae static void exynos_drm_crtc_commit(struct drm_crtc *crtc) 761c248b7dSInki Dae { 77d2716c89SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 78d2716c89SJoonyoung Shim 791c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 801c248b7dSInki Dae 8150caf25cSInki Dae exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 824070d212SJoonyoung Shim exynos_plane_commit(exynos_crtc->plane); 83cf5188acSJoonyoung Shim exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_ON); 841c248b7dSInki Dae } 851c248b7dSInki Dae 861c248b7dSInki Dae static bool 871c248b7dSInki Dae exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc, 88e811f5aeSLaurent Pinchart const struct drm_display_mode *mode, 891c248b7dSInki Dae struct drm_display_mode *adjusted_mode) 901c248b7dSInki Dae { 911c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 921c248b7dSInki Dae 931c248b7dSInki Dae /* drm framework doesn't check NULL */ 941c248b7dSInki Dae return true; 951c248b7dSInki Dae } 961c248b7dSInki Dae 971c248b7dSInki Dae static int 981c248b7dSInki Dae exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, 991c248b7dSInki Dae struct drm_display_mode *adjusted_mode, int x, int y, 1001c248b7dSInki Dae struct drm_framebuffer *old_fb) 1011c248b7dSInki Dae { 102aeb29224SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 1034070d212SJoonyoung Shim struct drm_plane *plane = exynos_crtc->plane; 1044070d212SJoonyoung Shim unsigned int crtc_w; 1054070d212SJoonyoung Shim unsigned int crtc_h; 106d249ce02SJoonyoung Shim int pipe = exynos_crtc->pipe; 107aeb29224SJoonyoung Shim int ret; 108aeb29224SJoonyoung Shim 1091c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 1101c248b7dSInki Dae 1111de425b0SInki Dae /* 1121de425b0SInki Dae * copy the mode data adjusted by mode_fixup() into crtc->mode 1131de425b0SInki Dae * so that hardware can be seet to proper mode. 1141de425b0SInki Dae */ 1151de425b0SInki Dae memcpy(&crtc->mode, adjusted_mode, sizeof(*adjusted_mode)); 1161c248b7dSInki Dae 1174070d212SJoonyoung Shim crtc_w = crtc->fb->width - x; 1184070d212SJoonyoung Shim crtc_h = crtc->fb->height - y; 1194070d212SJoonyoung Shim 1204070d212SJoonyoung Shim ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h, 1214070d212SJoonyoung Shim x, y, crtc_w, crtc_h); 122aeb29224SJoonyoung Shim if (ret) 123aeb29224SJoonyoung Shim return ret; 124aeb29224SJoonyoung Shim 1254070d212SJoonyoung Shim plane->crtc = crtc; 1264070d212SJoonyoung Shim plane->fb = crtc->fb; 1274070d212SJoonyoung Shim 128d249ce02SJoonyoung Shim exynos_drm_fn_encoder(crtc, &pipe, exynos_drm_encoder_crtc_pipe); 129aeb29224SJoonyoung Shim 130aeb29224SJoonyoung Shim return 0; 1311c248b7dSInki Dae } 1321c248b7dSInki Dae 1331c248b7dSInki Dae static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, 1341c248b7dSInki Dae struct drm_framebuffer *old_fb) 1351c248b7dSInki Dae { 1364070d212SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 1374070d212SJoonyoung Shim struct drm_plane *plane = exynos_crtc->plane; 1384070d212SJoonyoung Shim unsigned int crtc_w; 1394070d212SJoonyoung Shim unsigned int crtc_h; 1401c248b7dSInki Dae int ret; 1411c248b7dSInki Dae 1421c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 1431c248b7dSInki Dae 14432aeab17SInki Dae /* when framebuffer changing is requested, crtc's dpms should be on */ 14532aeab17SInki Dae if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) { 14632aeab17SInki Dae DRM_ERROR("failed framebuffer changing request.\n"); 14732aeab17SInki Dae return -EPERM; 14832aeab17SInki Dae } 14932aeab17SInki Dae 1504070d212SJoonyoung Shim crtc_w = crtc->fb->width - x; 1514070d212SJoonyoung Shim crtc_h = crtc->fb->height - y; 1524070d212SJoonyoung Shim 1534070d212SJoonyoung Shim ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h, 1544070d212SJoonyoung Shim x, y, crtc_w, crtc_h); 1551c248b7dSInki Dae if (ret) 1561c248b7dSInki Dae return ret; 1571c248b7dSInki Dae 158bebab8ffSJoonyoung Shim exynos_drm_crtc_commit(crtc); 1591c248b7dSInki Dae 1604070d212SJoonyoung Shim return 0; 1611c248b7dSInki Dae } 1621c248b7dSInki Dae 1631c248b7dSInki Dae static void exynos_drm_crtc_load_lut(struct drm_crtc *crtc) 1641c248b7dSInki Dae { 1651c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 1661c248b7dSInki Dae /* drm framework doesn't check NULL */ 1671c248b7dSInki Dae } 1681c248b7dSInki Dae 169a365d9ebSJoonyoung Shim static void exynos_drm_crtc_disable(struct drm_crtc *crtc) 170a365d9ebSJoonyoung Shim { 171a365d9ebSJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 172a365d9ebSJoonyoung Shim 173a365d9ebSJoonyoung Shim DRM_DEBUG_KMS("%s\n", __FILE__); 174a365d9ebSJoonyoung Shim 175a365d9ebSJoonyoung Shim exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_OFF); 176a365d9ebSJoonyoung Shim exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 177a365d9ebSJoonyoung Shim } 178a365d9ebSJoonyoung Shim 1791c248b7dSInki Dae static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { 1801c248b7dSInki Dae .dpms = exynos_drm_crtc_dpms, 1811c248b7dSInki Dae .prepare = exynos_drm_crtc_prepare, 1821c248b7dSInki Dae .commit = exynos_drm_crtc_commit, 1831c248b7dSInki Dae .mode_fixup = exynos_drm_crtc_mode_fixup, 1841c248b7dSInki Dae .mode_set = exynos_drm_crtc_mode_set, 1851c248b7dSInki Dae .mode_set_base = exynos_drm_crtc_mode_set_base, 1861c248b7dSInki Dae .load_lut = exynos_drm_crtc_load_lut, 187a365d9ebSJoonyoung Shim .disable = exynos_drm_crtc_disable, 1881c248b7dSInki Dae }; 1891c248b7dSInki Dae 1901c248b7dSInki Dae static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc, 1911c248b7dSInki Dae struct drm_framebuffer *fb, 1921c248b7dSInki Dae struct drm_pending_vblank_event *event) 1931c248b7dSInki Dae { 1941c248b7dSInki Dae struct drm_device *dev = crtc->dev; 1951c248b7dSInki Dae struct exynos_drm_private *dev_priv = dev->dev_private; 1961c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 1971c248b7dSInki Dae struct drm_framebuffer *old_fb = crtc->fb; 1981c248b7dSInki Dae int ret = -EINVAL; 1991c248b7dSInki Dae 2001c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 2011c248b7dSInki Dae 202ef6223dcSInki Dae /* when the page flip is requested, crtc's dpms should be on */ 203ef6223dcSInki Dae if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) { 204ef6223dcSInki Dae DRM_ERROR("failed page flip request.\n"); 205ef6223dcSInki Dae return -EINVAL; 206ef6223dcSInki Dae } 207ef6223dcSInki Dae 2081c248b7dSInki Dae mutex_lock(&dev->struct_mutex); 2091c248b7dSInki Dae 210ccf4d883SInki Dae if (event) { 211ccf4d883SInki Dae /* 212ccf4d883SInki Dae * the pipe from user always is 0 so we can set pipe number 213ccf4d883SInki Dae * of current owner to event. 214ccf4d883SInki Dae */ 215ccf4d883SInki Dae event->pipe = exynos_crtc->pipe; 216ccf4d883SInki Dae 2171c248b7dSInki Dae ret = drm_vblank_get(dev, exynos_crtc->pipe); 2181c248b7dSInki Dae if (ret) { 2191c248b7dSInki Dae DRM_DEBUG("failed to acquire vblank counter\n"); 220ccf4d883SInki Dae list_del(&event->base.link); 221ccf4d883SInki Dae 2221c248b7dSInki Dae goto out; 2231c248b7dSInki Dae } 2241c248b7dSInki Dae 22585473328SImre Deak spin_lock_irq(&dev->event_lock); 226c5614ae3SInki Dae list_add_tail(&event->base.link, 227c5614ae3SInki Dae &dev_priv->pageflip_event_list); 22885473328SImre Deak spin_unlock_irq(&dev->event_lock); 229c5614ae3SInki Dae 2301c248b7dSInki Dae crtc->fb = fb; 2314070d212SJoonyoung Shim ret = exynos_drm_crtc_mode_set_base(crtc, crtc->x, crtc->y, 2324070d212SJoonyoung Shim NULL); 2331c248b7dSInki Dae if (ret) { 2341c248b7dSInki Dae crtc->fb = old_fb; 23585473328SImre Deak 23685473328SImre Deak spin_lock_irq(&dev->event_lock); 2371c248b7dSInki Dae drm_vblank_put(dev, exynos_crtc->pipe); 238ccf4d883SInki Dae list_del(&event->base.link); 23985473328SImre Deak spin_unlock_irq(&dev->event_lock); 2401c248b7dSInki Dae 2411c248b7dSInki Dae goto out; 2421c248b7dSInki Dae } 2431c248b7dSInki Dae } 2441c248b7dSInki Dae out: 2451c248b7dSInki Dae mutex_unlock(&dev->struct_mutex); 2461c248b7dSInki Dae return ret; 2471c248b7dSInki Dae } 2481c248b7dSInki Dae 2491c248b7dSInki Dae static void exynos_drm_crtc_destroy(struct drm_crtc *crtc) 2501c248b7dSInki Dae { 2511c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 2521c248b7dSInki Dae struct exynos_drm_private *private = crtc->dev->dev_private; 2531c248b7dSInki Dae 2541c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 2551c248b7dSInki Dae 2561c248b7dSInki Dae private->crtc[exynos_crtc->pipe] = NULL; 2571c248b7dSInki Dae 2581c248b7dSInki Dae drm_crtc_cleanup(crtc); 2591c248b7dSInki Dae kfree(exynos_crtc); 2601c248b7dSInki Dae } 2611c248b7dSInki Dae 2623b8d1cf8SJoonyoung Shim static int exynos_drm_crtc_set_property(struct drm_crtc *crtc, 2633b8d1cf8SJoonyoung Shim struct drm_property *property, 2643b8d1cf8SJoonyoung Shim uint64_t val) 2653b8d1cf8SJoonyoung Shim { 2663b8d1cf8SJoonyoung Shim struct drm_device *dev = crtc->dev; 2673b8d1cf8SJoonyoung Shim struct exynos_drm_private *dev_priv = dev->dev_private; 2683b8d1cf8SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 2693b8d1cf8SJoonyoung Shim 2703b8d1cf8SJoonyoung Shim DRM_DEBUG_KMS("%s\n", __func__); 2713b8d1cf8SJoonyoung Shim 2723b8d1cf8SJoonyoung Shim if (property == dev_priv->crtc_mode_property) { 2733b8d1cf8SJoonyoung Shim enum exynos_crtc_mode mode = val; 2743b8d1cf8SJoonyoung Shim 2753b8d1cf8SJoonyoung Shim if (mode == exynos_crtc->mode) 2763b8d1cf8SJoonyoung Shim return 0; 2773b8d1cf8SJoonyoung Shim 2783b8d1cf8SJoonyoung Shim exynos_crtc->mode = mode; 2793b8d1cf8SJoonyoung Shim 2803b8d1cf8SJoonyoung Shim switch (mode) { 2813b8d1cf8SJoonyoung Shim case CRTC_MODE_NORMAL: 2823b8d1cf8SJoonyoung Shim exynos_drm_crtc_commit(crtc); 2833b8d1cf8SJoonyoung Shim break; 2843b8d1cf8SJoonyoung Shim case CRTC_MODE_BLANK: 2853b8d1cf8SJoonyoung Shim exynos_plane_dpms(exynos_crtc->plane, 2863b8d1cf8SJoonyoung Shim DRM_MODE_DPMS_OFF); 2873b8d1cf8SJoonyoung Shim break; 2883b8d1cf8SJoonyoung Shim default: 2893b8d1cf8SJoonyoung Shim break; 2903b8d1cf8SJoonyoung Shim } 2913b8d1cf8SJoonyoung Shim 2923b8d1cf8SJoonyoung Shim return 0; 2933b8d1cf8SJoonyoung Shim } 2943b8d1cf8SJoonyoung Shim 2953b8d1cf8SJoonyoung Shim return -EINVAL; 2963b8d1cf8SJoonyoung Shim } 2973b8d1cf8SJoonyoung Shim 2981c248b7dSInki Dae static struct drm_crtc_funcs exynos_crtc_funcs = { 2991c248b7dSInki Dae .set_config = drm_crtc_helper_set_config, 3001c248b7dSInki Dae .page_flip = exynos_drm_crtc_page_flip, 3011c248b7dSInki Dae .destroy = exynos_drm_crtc_destroy, 3023b8d1cf8SJoonyoung Shim .set_property = exynos_drm_crtc_set_property, 3031c248b7dSInki Dae }; 3041c248b7dSInki Dae 3053b8d1cf8SJoonyoung Shim static const struct drm_prop_enum_list mode_names[] = { 3063b8d1cf8SJoonyoung Shim { CRTC_MODE_NORMAL, "normal" }, 3073b8d1cf8SJoonyoung Shim { CRTC_MODE_BLANK, "blank" }, 3083b8d1cf8SJoonyoung Shim }; 3093b8d1cf8SJoonyoung Shim 3103b8d1cf8SJoonyoung Shim static void exynos_drm_crtc_attach_mode_property(struct drm_crtc *crtc) 3113b8d1cf8SJoonyoung Shim { 3123b8d1cf8SJoonyoung Shim struct drm_device *dev = crtc->dev; 3133b8d1cf8SJoonyoung Shim struct exynos_drm_private *dev_priv = dev->dev_private; 3143b8d1cf8SJoonyoung Shim struct drm_property *prop; 3153b8d1cf8SJoonyoung Shim 3163b8d1cf8SJoonyoung Shim DRM_DEBUG_KMS("%s\n", __func__); 3173b8d1cf8SJoonyoung Shim 3183b8d1cf8SJoonyoung Shim prop = dev_priv->crtc_mode_property; 3193b8d1cf8SJoonyoung Shim if (!prop) { 3203b8d1cf8SJoonyoung Shim prop = drm_property_create_enum(dev, 0, "mode", mode_names, 3213b8d1cf8SJoonyoung Shim ARRAY_SIZE(mode_names)); 3223b8d1cf8SJoonyoung Shim if (!prop) 3233b8d1cf8SJoonyoung Shim return; 3243b8d1cf8SJoonyoung Shim 3253b8d1cf8SJoonyoung Shim dev_priv->crtc_mode_property = prop; 3263b8d1cf8SJoonyoung Shim } 3273b8d1cf8SJoonyoung Shim 3283b8d1cf8SJoonyoung Shim drm_object_attach_property(&crtc->base, prop, 0); 3293b8d1cf8SJoonyoung Shim } 3303b8d1cf8SJoonyoung Shim 3311c248b7dSInki Dae int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr) 3321c248b7dSInki Dae { 3331c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc; 3341c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 3351c248b7dSInki Dae struct drm_crtc *crtc; 3361c248b7dSInki Dae 3371c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 3381c248b7dSInki Dae 3391c248b7dSInki Dae exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL); 3401c248b7dSInki Dae if (!exynos_crtc) { 3411c248b7dSInki Dae DRM_ERROR("failed to allocate exynos crtc\n"); 3421c248b7dSInki Dae return -ENOMEM; 3431c248b7dSInki Dae } 3441c248b7dSInki Dae 3451c248b7dSInki Dae exynos_crtc->pipe = nr; 346ec05da95SInki Dae exynos_crtc->dpms = DRM_MODE_DPMS_OFF; 347b5d2eb3bSJoonyoung Shim exynos_crtc->plane = exynos_plane_init(dev, 1 << nr, true); 348b5d2eb3bSJoonyoung Shim if (!exynos_crtc->plane) { 349b5d2eb3bSJoonyoung Shim kfree(exynos_crtc); 350b5d2eb3bSJoonyoung Shim return -ENOMEM; 351b5d2eb3bSJoonyoung Shim } 352b5d2eb3bSJoonyoung Shim 3531c248b7dSInki Dae crtc = &exynos_crtc->drm_crtc; 3541c248b7dSInki Dae 3551c248b7dSInki Dae private->crtc[nr] = crtc; 3561c248b7dSInki Dae 3571c248b7dSInki Dae drm_crtc_init(dev, crtc, &exynos_crtc_funcs); 3581c248b7dSInki Dae drm_crtc_helper_add(crtc, &exynos_crtc_helper_funcs); 3591c248b7dSInki Dae 3603b8d1cf8SJoonyoung Shim exynos_drm_crtc_attach_mode_property(crtc); 3613b8d1cf8SJoonyoung Shim 3621c248b7dSInki Dae return 0; 3631c248b7dSInki Dae } 3641c248b7dSInki Dae 3651c248b7dSInki Dae int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc) 3661c248b7dSInki Dae { 3671c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 368ec05da95SInki Dae struct exynos_drm_crtc *exynos_crtc = 369ec05da95SInki Dae to_exynos_crtc(private->crtc[crtc]); 3701c248b7dSInki Dae 3711c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 3721c248b7dSInki Dae 373ec05da95SInki Dae if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) 374ec05da95SInki Dae return -EPERM; 375ec05da95SInki Dae 3761c248b7dSInki Dae exynos_drm_fn_encoder(private->crtc[crtc], &crtc, 3771c248b7dSInki Dae exynos_drm_enable_vblank); 3781c248b7dSInki Dae 3791c248b7dSInki Dae return 0; 3801c248b7dSInki Dae } 3811c248b7dSInki Dae 3821c248b7dSInki Dae void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc) 3831c248b7dSInki Dae { 3841c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 385ec05da95SInki Dae struct exynos_drm_crtc *exynos_crtc = 386ec05da95SInki Dae to_exynos_crtc(private->crtc[crtc]); 3871c248b7dSInki Dae 3881c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 3891c248b7dSInki Dae 390ec05da95SInki Dae if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) 391ec05da95SInki Dae return; 392ec05da95SInki Dae 3931c248b7dSInki Dae exynos_drm_fn_encoder(private->crtc[crtc], &crtc, 3941c248b7dSInki Dae exynos_drm_disable_vblank); 3951c248b7dSInki Dae } 396663d8766SRahul Sharma 397663d8766SRahul Sharma void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc) 398663d8766SRahul Sharma { 399663d8766SRahul Sharma struct exynos_drm_private *dev_priv = dev->dev_private; 400663d8766SRahul Sharma struct drm_pending_vblank_event *e, *t; 401663d8766SRahul Sharma struct timeval now; 402663d8766SRahul Sharma unsigned long flags; 403663d8766SRahul Sharma 404663d8766SRahul Sharma DRM_DEBUG_KMS("%s\n", __FILE__); 405663d8766SRahul Sharma 406663d8766SRahul Sharma spin_lock_irqsave(&dev->event_lock, flags); 407663d8766SRahul Sharma 408663d8766SRahul Sharma list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list, 409663d8766SRahul Sharma base.link) { 410663d8766SRahul Sharma /* if event's pipe isn't same as crtc then ignore it. */ 411663d8766SRahul Sharma if (crtc != e->pipe) 412663d8766SRahul Sharma continue; 413663d8766SRahul Sharma 414663d8766SRahul Sharma do_gettimeofday(&now); 415663d8766SRahul Sharma e->event.sequence = 0; 416663d8766SRahul Sharma e->event.tv_sec = now.tv_sec; 417663d8766SRahul Sharma e->event.tv_usec = now.tv_usec; 418663d8766SRahul Sharma 419663d8766SRahul Sharma list_move_tail(&e->base.link, &e->base.file_priv->event_list); 420663d8766SRahul Sharma wake_up_interruptible(&e->base.file_priv->event_wait); 421663d8766SRahul Sharma drm_vblank_put(dev, crtc); 422663d8766SRahul Sharma } 423663d8766SRahul Sharma 424663d8766SRahul Sharma spin_unlock_irqrestore(&dev->event_lock, flags); 425663d8766SRahul Sharma } 426