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 * 91c248b7dSInki Dae * Permission is hereby granted, free of charge, to any person obtaining a 101c248b7dSInki Dae * copy of this software and associated documentation files (the "Software"), 111c248b7dSInki Dae * to deal in the Software without restriction, including without limitation 121c248b7dSInki Dae * the rights to use, copy, modify, merge, publish, distribute, sublicense, 131c248b7dSInki Dae * and/or sell copies of the Software, and to permit persons to whom the 141c248b7dSInki Dae * Software is furnished to do so, subject to the following conditions: 151c248b7dSInki Dae * 161c248b7dSInki Dae * The above copyright notice and this permission notice (including the next 171c248b7dSInki Dae * paragraph) shall be included in all copies or substantial portions of the 181c248b7dSInki Dae * Software. 191c248b7dSInki Dae * 201c248b7dSInki Dae * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 211c248b7dSInki Dae * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 221c248b7dSInki Dae * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 231c248b7dSInki Dae * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 241c248b7dSInki Dae * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 251c248b7dSInki Dae * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 261c248b7dSInki Dae * OTHER DEALINGS IN THE SOFTWARE. 271c248b7dSInki Dae */ 281c248b7dSInki Dae 29760285e7SDavid Howells #include <drm/drmP.h> 30760285e7SDavid Howells #include <drm/drm_crtc_helper.h> 311c248b7dSInki Dae 321c248b7dSInki Dae #include "exynos_drm_drv.h" 331c248b7dSInki Dae #include "exynos_drm_encoder.h" 34b5d2eb3bSJoonyoung Shim #include "exynos_drm_plane.h" 351c248b7dSInki Dae 361c248b7dSInki Dae #define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc,\ 371c248b7dSInki Dae drm_crtc) 381c248b7dSInki Dae 393b8d1cf8SJoonyoung Shim enum exynos_crtc_mode { 403b8d1cf8SJoonyoung Shim CRTC_MODE_NORMAL, /* normal mode */ 413b8d1cf8SJoonyoung Shim CRTC_MODE_BLANK, /* The private plane of crtc is blank */ 423b8d1cf8SJoonyoung Shim }; 433b8d1cf8SJoonyoung Shim 441c248b7dSInki Dae /* 451c248b7dSInki Dae * Exynos specific crtc structure. 461c248b7dSInki Dae * 471c248b7dSInki Dae * @drm_crtc: crtc object. 48b5d2eb3bSJoonyoung Shim * @drm_plane: pointer of private plane object for this crtc 491c248b7dSInki Dae * @pipe: a crtc index created at load() with a new crtc object creation 501c248b7dSInki Dae * and the crtc object would be set to private->crtc array 511c248b7dSInki Dae * to get a crtc object corresponding to this pipe from private->crtc 521c248b7dSInki Dae * array when irq interrupt occured. the reason of using this pipe is that 531c248b7dSInki Dae * drm framework doesn't support multiple irq yet. 541c248b7dSInki Dae * we can refer to the crtc to current hardware interrupt occured through 551c248b7dSInki Dae * this pipe value. 56ec05da95SInki Dae * @dpms: store the crtc dpms value 573b8d1cf8SJoonyoung Shim * @mode: store the crtc mode value 581c248b7dSInki Dae */ 591c248b7dSInki Dae struct exynos_drm_crtc { 601c248b7dSInki Dae struct drm_crtc drm_crtc; 61b5d2eb3bSJoonyoung Shim struct drm_plane *plane; 621c248b7dSInki Dae unsigned int pipe; 63ec05da95SInki Dae unsigned int dpms; 643b8d1cf8SJoonyoung Shim enum exynos_crtc_mode mode; 651c248b7dSInki Dae }; 661c248b7dSInki Dae 671c248b7dSInki Dae static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode) 681c248b7dSInki Dae { 69d2716c89SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 701c248b7dSInki Dae 71d2716c89SJoonyoung Shim DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode); 72d2716c89SJoonyoung Shim 73ec05da95SInki Dae if (exynos_crtc->dpms == mode) { 74ec05da95SInki Dae DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n"); 75ec05da95SInki Dae return; 76ec05da95SInki Dae } 77ec05da95SInki Dae 78cf5188acSJoonyoung Shim exynos_drm_fn_encoder(crtc, &mode, exynos_drm_encoder_crtc_dpms); 79ec05da95SInki Dae exynos_crtc->dpms = mode; 801c248b7dSInki Dae } 811c248b7dSInki Dae 821c248b7dSInki Dae static void exynos_drm_crtc_prepare(struct drm_crtc *crtc) 831c248b7dSInki Dae { 841c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 851c248b7dSInki Dae 861c248b7dSInki Dae /* drm framework doesn't check NULL. */ 871c248b7dSInki Dae } 881c248b7dSInki Dae 891c248b7dSInki Dae static void exynos_drm_crtc_commit(struct drm_crtc *crtc) 901c248b7dSInki Dae { 91d2716c89SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 92d2716c89SJoonyoung Shim 931c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 941c248b7dSInki Dae 9550caf25cSInki Dae exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 964070d212SJoonyoung Shim exynos_plane_commit(exynos_crtc->plane); 97cf5188acSJoonyoung Shim exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_ON); 981c248b7dSInki Dae } 991c248b7dSInki Dae 1001c248b7dSInki Dae static bool 1011c248b7dSInki Dae exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc, 102e811f5aeSLaurent Pinchart const struct drm_display_mode *mode, 1031c248b7dSInki Dae struct drm_display_mode *adjusted_mode) 1041c248b7dSInki Dae { 1051c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 1061c248b7dSInki Dae 1071c248b7dSInki Dae /* drm framework doesn't check NULL */ 1081c248b7dSInki Dae return true; 1091c248b7dSInki Dae } 1101c248b7dSInki Dae 1111c248b7dSInki Dae static int 1121c248b7dSInki Dae exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, 1131c248b7dSInki Dae struct drm_display_mode *adjusted_mode, int x, int y, 1141c248b7dSInki Dae struct drm_framebuffer *old_fb) 1151c248b7dSInki Dae { 116aeb29224SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 1174070d212SJoonyoung Shim struct drm_plane *plane = exynos_crtc->plane; 1184070d212SJoonyoung Shim unsigned int crtc_w; 1194070d212SJoonyoung Shim unsigned int crtc_h; 120d249ce02SJoonyoung Shim int pipe = exynos_crtc->pipe; 121aeb29224SJoonyoung Shim int ret; 122aeb29224SJoonyoung Shim 1231c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 1241c248b7dSInki Dae 1251de425b0SInki Dae /* 1261de425b0SInki Dae * copy the mode data adjusted by mode_fixup() into crtc->mode 1271de425b0SInki Dae * so that hardware can be seet to proper mode. 1281de425b0SInki Dae */ 1291de425b0SInki Dae memcpy(&crtc->mode, adjusted_mode, sizeof(*adjusted_mode)); 1301c248b7dSInki Dae 1314070d212SJoonyoung Shim crtc_w = crtc->fb->width - x; 1324070d212SJoonyoung Shim crtc_h = crtc->fb->height - y; 1334070d212SJoonyoung Shim 1344070d212SJoonyoung Shim ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h, 1354070d212SJoonyoung Shim x, y, crtc_w, crtc_h); 136aeb29224SJoonyoung Shim if (ret) 137aeb29224SJoonyoung Shim return ret; 138aeb29224SJoonyoung Shim 1394070d212SJoonyoung Shim plane->crtc = crtc; 1404070d212SJoonyoung Shim plane->fb = crtc->fb; 1414070d212SJoonyoung Shim 142d249ce02SJoonyoung Shim exynos_drm_fn_encoder(crtc, &pipe, exynos_drm_encoder_crtc_pipe); 143aeb29224SJoonyoung Shim 144aeb29224SJoonyoung Shim return 0; 1451c248b7dSInki Dae } 1461c248b7dSInki Dae 1471c248b7dSInki Dae static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, 1481c248b7dSInki Dae struct drm_framebuffer *old_fb) 1491c248b7dSInki Dae { 1504070d212SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 1514070d212SJoonyoung Shim struct drm_plane *plane = exynos_crtc->plane; 1524070d212SJoonyoung Shim unsigned int crtc_w; 1534070d212SJoonyoung Shim unsigned int crtc_h; 1541c248b7dSInki Dae int ret; 1551c248b7dSInki Dae 1561c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 1571c248b7dSInki Dae 15832aeab17SInki Dae /* when framebuffer changing is requested, crtc's dpms should be on */ 15932aeab17SInki Dae if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) { 16032aeab17SInki Dae DRM_ERROR("failed framebuffer changing request.\n"); 16132aeab17SInki Dae return -EPERM; 16232aeab17SInki Dae } 16332aeab17SInki Dae 1644070d212SJoonyoung Shim crtc_w = crtc->fb->width - x; 1654070d212SJoonyoung Shim crtc_h = crtc->fb->height - y; 1664070d212SJoonyoung Shim 1674070d212SJoonyoung Shim ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h, 1684070d212SJoonyoung Shim x, y, crtc_w, crtc_h); 1691c248b7dSInki Dae if (ret) 1701c248b7dSInki Dae return ret; 1711c248b7dSInki Dae 172bebab8ffSJoonyoung Shim exynos_drm_crtc_commit(crtc); 1731c248b7dSInki Dae 1744070d212SJoonyoung Shim return 0; 1751c248b7dSInki Dae } 1761c248b7dSInki Dae 1771c248b7dSInki Dae static void exynos_drm_crtc_load_lut(struct drm_crtc *crtc) 1781c248b7dSInki Dae { 1791c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 1801c248b7dSInki Dae /* drm framework doesn't check NULL */ 1811c248b7dSInki Dae } 1821c248b7dSInki Dae 183a365d9ebSJoonyoung Shim static void exynos_drm_crtc_disable(struct drm_crtc *crtc) 184a365d9ebSJoonyoung Shim { 185a365d9ebSJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 186a365d9ebSJoonyoung Shim 187a365d9ebSJoonyoung Shim DRM_DEBUG_KMS("%s\n", __FILE__); 188a365d9ebSJoonyoung Shim 189a365d9ebSJoonyoung Shim exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_OFF); 190a365d9ebSJoonyoung Shim exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 191a365d9ebSJoonyoung Shim } 192a365d9ebSJoonyoung Shim 1931c248b7dSInki Dae static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { 1941c248b7dSInki Dae .dpms = exynos_drm_crtc_dpms, 1951c248b7dSInki Dae .prepare = exynos_drm_crtc_prepare, 1961c248b7dSInki Dae .commit = exynos_drm_crtc_commit, 1971c248b7dSInki Dae .mode_fixup = exynos_drm_crtc_mode_fixup, 1981c248b7dSInki Dae .mode_set = exynos_drm_crtc_mode_set, 1991c248b7dSInki Dae .mode_set_base = exynos_drm_crtc_mode_set_base, 2001c248b7dSInki Dae .load_lut = exynos_drm_crtc_load_lut, 201a365d9ebSJoonyoung Shim .disable = exynos_drm_crtc_disable, 2021c248b7dSInki Dae }; 2031c248b7dSInki Dae 2041c248b7dSInki Dae static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc, 2051c248b7dSInki Dae struct drm_framebuffer *fb, 2061c248b7dSInki Dae struct drm_pending_vblank_event *event) 2071c248b7dSInki Dae { 2081c248b7dSInki Dae struct drm_device *dev = crtc->dev; 2091c248b7dSInki Dae struct exynos_drm_private *dev_priv = dev->dev_private; 2101c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 2111c248b7dSInki Dae struct drm_framebuffer *old_fb = crtc->fb; 2121c248b7dSInki Dae int ret = -EINVAL; 2131c248b7dSInki Dae 2141c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 2151c248b7dSInki Dae 216ef6223dcSInki Dae /* when the page flip is requested, crtc's dpms should be on */ 217ef6223dcSInki Dae if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) { 218ef6223dcSInki Dae DRM_ERROR("failed page flip request.\n"); 219ef6223dcSInki Dae return -EINVAL; 220ef6223dcSInki Dae } 221ef6223dcSInki Dae 2221c248b7dSInki Dae mutex_lock(&dev->struct_mutex); 2231c248b7dSInki Dae 224ccf4d883SInki Dae if (event) { 225ccf4d883SInki Dae /* 226ccf4d883SInki Dae * the pipe from user always is 0 so we can set pipe number 227ccf4d883SInki Dae * of current owner to event. 228ccf4d883SInki Dae */ 229ccf4d883SInki Dae event->pipe = exynos_crtc->pipe; 230ccf4d883SInki Dae 2311c248b7dSInki Dae ret = drm_vblank_get(dev, exynos_crtc->pipe); 2321c248b7dSInki Dae if (ret) { 2331c248b7dSInki Dae DRM_DEBUG("failed to acquire vblank counter\n"); 234ccf4d883SInki Dae list_del(&event->base.link); 235ccf4d883SInki Dae 2361c248b7dSInki Dae goto out; 2371c248b7dSInki Dae } 2381c248b7dSInki Dae 23985473328SImre Deak spin_lock_irq(&dev->event_lock); 240c5614ae3SInki Dae list_add_tail(&event->base.link, 241c5614ae3SInki Dae &dev_priv->pageflip_event_list); 24285473328SImre Deak spin_unlock_irq(&dev->event_lock); 243c5614ae3SInki Dae 2441c248b7dSInki Dae crtc->fb = fb; 2454070d212SJoonyoung Shim ret = exynos_drm_crtc_mode_set_base(crtc, crtc->x, crtc->y, 2464070d212SJoonyoung Shim NULL); 2471c248b7dSInki Dae if (ret) { 2481c248b7dSInki Dae crtc->fb = old_fb; 24985473328SImre Deak 25085473328SImre Deak spin_lock_irq(&dev->event_lock); 2511c248b7dSInki Dae drm_vblank_put(dev, exynos_crtc->pipe); 252ccf4d883SInki Dae list_del(&event->base.link); 25385473328SImre Deak spin_unlock_irq(&dev->event_lock); 2541c248b7dSInki Dae 2551c248b7dSInki Dae goto out; 2561c248b7dSInki Dae } 2571c248b7dSInki Dae } 2581c248b7dSInki Dae out: 2591c248b7dSInki Dae mutex_unlock(&dev->struct_mutex); 2601c248b7dSInki Dae return ret; 2611c248b7dSInki Dae } 2621c248b7dSInki Dae 2631c248b7dSInki Dae static void exynos_drm_crtc_destroy(struct drm_crtc *crtc) 2641c248b7dSInki Dae { 2651c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 2661c248b7dSInki Dae struct exynos_drm_private *private = crtc->dev->dev_private; 2671c248b7dSInki Dae 2681c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 2691c248b7dSInki Dae 2701c248b7dSInki Dae private->crtc[exynos_crtc->pipe] = NULL; 2711c248b7dSInki Dae 2721c248b7dSInki Dae drm_crtc_cleanup(crtc); 2731c248b7dSInki Dae kfree(exynos_crtc); 2741c248b7dSInki Dae } 2751c248b7dSInki Dae 2763b8d1cf8SJoonyoung Shim static int exynos_drm_crtc_set_property(struct drm_crtc *crtc, 2773b8d1cf8SJoonyoung Shim struct drm_property *property, 2783b8d1cf8SJoonyoung Shim uint64_t val) 2793b8d1cf8SJoonyoung Shim { 2803b8d1cf8SJoonyoung Shim struct drm_device *dev = crtc->dev; 2813b8d1cf8SJoonyoung Shim struct exynos_drm_private *dev_priv = dev->dev_private; 2823b8d1cf8SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 2833b8d1cf8SJoonyoung Shim 2843b8d1cf8SJoonyoung Shim DRM_DEBUG_KMS("%s\n", __func__); 2853b8d1cf8SJoonyoung Shim 2863b8d1cf8SJoonyoung Shim if (property == dev_priv->crtc_mode_property) { 2873b8d1cf8SJoonyoung Shim enum exynos_crtc_mode mode = val; 2883b8d1cf8SJoonyoung Shim 2893b8d1cf8SJoonyoung Shim if (mode == exynos_crtc->mode) 2903b8d1cf8SJoonyoung Shim return 0; 2913b8d1cf8SJoonyoung Shim 2923b8d1cf8SJoonyoung Shim exynos_crtc->mode = mode; 2933b8d1cf8SJoonyoung Shim 2943b8d1cf8SJoonyoung Shim switch (mode) { 2953b8d1cf8SJoonyoung Shim case CRTC_MODE_NORMAL: 2963b8d1cf8SJoonyoung Shim exynos_drm_crtc_commit(crtc); 2973b8d1cf8SJoonyoung Shim break; 2983b8d1cf8SJoonyoung Shim case CRTC_MODE_BLANK: 2993b8d1cf8SJoonyoung Shim exynos_plane_dpms(exynos_crtc->plane, 3003b8d1cf8SJoonyoung Shim DRM_MODE_DPMS_OFF); 3013b8d1cf8SJoonyoung Shim break; 3023b8d1cf8SJoonyoung Shim default: 3033b8d1cf8SJoonyoung Shim break; 3043b8d1cf8SJoonyoung Shim } 3053b8d1cf8SJoonyoung Shim 3063b8d1cf8SJoonyoung Shim return 0; 3073b8d1cf8SJoonyoung Shim } 3083b8d1cf8SJoonyoung Shim 3093b8d1cf8SJoonyoung Shim return -EINVAL; 3103b8d1cf8SJoonyoung Shim } 3113b8d1cf8SJoonyoung Shim 3121c248b7dSInki Dae static struct drm_crtc_funcs exynos_crtc_funcs = { 3131c248b7dSInki Dae .set_config = drm_crtc_helper_set_config, 3141c248b7dSInki Dae .page_flip = exynos_drm_crtc_page_flip, 3151c248b7dSInki Dae .destroy = exynos_drm_crtc_destroy, 3163b8d1cf8SJoonyoung Shim .set_property = exynos_drm_crtc_set_property, 3171c248b7dSInki Dae }; 3181c248b7dSInki Dae 3193b8d1cf8SJoonyoung Shim static const struct drm_prop_enum_list mode_names[] = { 3203b8d1cf8SJoonyoung Shim { CRTC_MODE_NORMAL, "normal" }, 3213b8d1cf8SJoonyoung Shim { CRTC_MODE_BLANK, "blank" }, 3223b8d1cf8SJoonyoung Shim }; 3233b8d1cf8SJoonyoung Shim 3243b8d1cf8SJoonyoung Shim static void exynos_drm_crtc_attach_mode_property(struct drm_crtc *crtc) 3253b8d1cf8SJoonyoung Shim { 3263b8d1cf8SJoonyoung Shim struct drm_device *dev = crtc->dev; 3273b8d1cf8SJoonyoung Shim struct exynos_drm_private *dev_priv = dev->dev_private; 3283b8d1cf8SJoonyoung Shim struct drm_property *prop; 3293b8d1cf8SJoonyoung Shim 3303b8d1cf8SJoonyoung Shim DRM_DEBUG_KMS("%s\n", __func__); 3313b8d1cf8SJoonyoung Shim 3323b8d1cf8SJoonyoung Shim prop = dev_priv->crtc_mode_property; 3333b8d1cf8SJoonyoung Shim if (!prop) { 3343b8d1cf8SJoonyoung Shim prop = drm_property_create_enum(dev, 0, "mode", mode_names, 3353b8d1cf8SJoonyoung Shim ARRAY_SIZE(mode_names)); 3363b8d1cf8SJoonyoung Shim if (!prop) 3373b8d1cf8SJoonyoung Shim return; 3383b8d1cf8SJoonyoung Shim 3393b8d1cf8SJoonyoung Shim dev_priv->crtc_mode_property = prop; 3403b8d1cf8SJoonyoung Shim } 3413b8d1cf8SJoonyoung Shim 3423b8d1cf8SJoonyoung Shim drm_object_attach_property(&crtc->base, prop, 0); 3433b8d1cf8SJoonyoung Shim } 3443b8d1cf8SJoonyoung Shim 3451c248b7dSInki Dae int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr) 3461c248b7dSInki Dae { 3471c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc; 3481c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 3491c248b7dSInki Dae struct drm_crtc *crtc; 3501c248b7dSInki Dae 3511c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 3521c248b7dSInki Dae 3531c248b7dSInki Dae exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL); 3541c248b7dSInki Dae if (!exynos_crtc) { 3551c248b7dSInki Dae DRM_ERROR("failed to allocate exynos crtc\n"); 3561c248b7dSInki Dae return -ENOMEM; 3571c248b7dSInki Dae } 3581c248b7dSInki Dae 3591c248b7dSInki Dae exynos_crtc->pipe = nr; 360ec05da95SInki Dae exynos_crtc->dpms = DRM_MODE_DPMS_OFF; 361b5d2eb3bSJoonyoung Shim exynos_crtc->plane = exynos_plane_init(dev, 1 << nr, true); 362b5d2eb3bSJoonyoung Shim if (!exynos_crtc->plane) { 363b5d2eb3bSJoonyoung Shim kfree(exynos_crtc); 364b5d2eb3bSJoonyoung Shim return -ENOMEM; 365b5d2eb3bSJoonyoung Shim } 366b5d2eb3bSJoonyoung Shim 3671c248b7dSInki Dae crtc = &exynos_crtc->drm_crtc; 3681c248b7dSInki Dae 3691c248b7dSInki Dae private->crtc[nr] = crtc; 3701c248b7dSInki Dae 3711c248b7dSInki Dae drm_crtc_init(dev, crtc, &exynos_crtc_funcs); 3721c248b7dSInki Dae drm_crtc_helper_add(crtc, &exynos_crtc_helper_funcs); 3731c248b7dSInki Dae 3743b8d1cf8SJoonyoung Shim exynos_drm_crtc_attach_mode_property(crtc); 3753b8d1cf8SJoonyoung Shim 3761c248b7dSInki Dae return 0; 3771c248b7dSInki Dae } 3781c248b7dSInki Dae 3791c248b7dSInki Dae int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc) 3801c248b7dSInki Dae { 3811c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 382ec05da95SInki Dae struct exynos_drm_crtc *exynos_crtc = 383ec05da95SInki Dae to_exynos_crtc(private->crtc[crtc]); 3841c248b7dSInki Dae 3851c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 3861c248b7dSInki Dae 387ec05da95SInki Dae if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) 388ec05da95SInki Dae return -EPERM; 389ec05da95SInki Dae 3901c248b7dSInki Dae exynos_drm_fn_encoder(private->crtc[crtc], &crtc, 3911c248b7dSInki Dae exynos_drm_enable_vblank); 3921c248b7dSInki Dae 3931c248b7dSInki Dae return 0; 3941c248b7dSInki Dae } 3951c248b7dSInki Dae 3961c248b7dSInki Dae void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc) 3971c248b7dSInki Dae { 3981c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 399ec05da95SInki Dae struct exynos_drm_crtc *exynos_crtc = 400ec05da95SInki Dae to_exynos_crtc(private->crtc[crtc]); 4011c248b7dSInki Dae 4021c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 4031c248b7dSInki Dae 404ec05da95SInki Dae if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) 405ec05da95SInki Dae return; 406ec05da95SInki Dae 4071c248b7dSInki Dae exynos_drm_fn_encoder(private->crtc[crtc], &crtc, 4081c248b7dSInki Dae exynos_drm_disable_vblank); 4091c248b7dSInki Dae } 410