apply.c revision e70f98acaa84ec9ad55e544d0dc8b2d0a36bbeca
158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen/* 258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * Copyright (C) 2011 Texas Instruments 358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * Author: Tomi Valkeinen <tomi.valkeinen@ti.com> 458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * 558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * This program is free software; you can redistribute it and/or modify it 658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * under the terms of the GNU General Public License version 2 as published by 758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * the Free Software Foundation. 858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * 958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * This program is distributed in the hope that it will be useful, but WITHOUT 1058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 1258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * more details. 1358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * 1458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * You should have received a copy of the GNU General Public License along with 1558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * this program. If not, see <http://www.gnu.org/licenses/>. 1658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen */ 1758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 1858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#define DSS_SUBSYS_NAME "APPLY" 1958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 2058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#include <linux/kernel.h> 2158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#include <linux/slab.h> 2258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#include <linux/spinlock.h> 2358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#include <linux/jiffies.h> 2458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 2558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#include <video/omapdss.h> 2658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 2758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#include "dss.h" 2858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#include "dss_features.h" 2958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 3058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen/* 3158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * We have 4 levels of cache for the dispc settings. First two are in SW and 3258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * the latter two in HW. 3358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * 340b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen * set_info() 350b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen * v 3658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * +--------------------+ 370b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen * | user_info | 3858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * +--------------------+ 3958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * v 4058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * apply() 4158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * v 4258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * +--------------------+ 43d09c7aa8989caf44e8754e8aa81ce80217a0e98aTomi Valkeinen * | info | 4458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * +--------------------+ 4558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * v 46f6a5e0871f22428a7c74c07ddd791197c5f5d38fTomi Valkeinen * write_regs() 4758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * v 4858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * +--------------------+ 4958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * | shadow registers | 5058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * +--------------------+ 5158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * v 5258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * VFP or lcd/digit_enable 5358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * v 5458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * +--------------------+ 5558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * | registers | 5658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * +--------------------+ 5758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen */ 5858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 59c10c6f042b6a5940c522a334a716d57b40f7dec9Tomi Valkeinenstruct ovl_priv_data { 60c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen 61c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen bool user_info_dirty; 62c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen struct omap_overlay_info user_info; 63c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen 640b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen bool info_dirty; 6558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen struct omap_overlay_info info; 6658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 670b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen bool shadow_info_dirty; 680b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen 69aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen bool extra_info_dirty; 70aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen bool shadow_extra_info_dirty; 71aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 72aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen bool enabled; 735d5a97a6fbf98f82ae50c837eba3ebcfea0902f8Tomi Valkeinen enum omap_channel channel; 746dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen u32 fifo_low, fifo_high; 7558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen}; 7658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 77af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinenstruct mgr_priv_data { 78388c4c6cbb335e69fe23c8d18bd4b0e8dd66901bTomi Valkeinen 79388c4c6cbb335e69fe23c8d18bd4b0e8dd66901bTomi Valkeinen bool user_info_dirty; 80388c4c6cbb335e69fe23c8d18bd4b0e8dd66901bTomi Valkeinen struct omap_overlay_manager_info user_info; 81388c4c6cbb335e69fe23c8d18bd4b0e8dd66901bTomi Valkeinen 820b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen bool info_dirty; 8358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen struct omap_overlay_manager_info info; 8458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 850b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen bool shadow_info_dirty; 860b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen 8743a972d96b6ea2b9e3d6b55b9724c9f61d802c68Tomi Valkeinen /* If true, GO bit is up and shadow registers cannot be written. 8843a972d96b6ea2b9e3d6b55b9724c9f61d802c68Tomi Valkeinen * Never true for manual update displays */ 8943a972d96b6ea2b9e3d6b55b9724c9f61d802c68Tomi Valkeinen bool busy; 9043a972d96b6ea2b9e3d6b55b9724c9f61d802c68Tomi Valkeinen 9134861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen /* If true, dispc output is enabled */ 9234861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen bool updating; 9334861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen 94bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen /* If true, a display is enabled using this manager */ 95bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen bool enabled; 9658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen}; 9758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 9858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenstatic struct { 99c10c6f042b6a5940c522a334a716d57b40f7dec9Tomi Valkeinen struct ovl_priv_data ovl_priv_data_array[MAX_DSS_OVERLAYS]; 100af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinen struct mgr_priv_data mgr_priv_data_array[MAX_DSS_MANAGERS]; 10158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 10258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen bool irq_enabled; 103d09c7aa8989caf44e8754e8aa81ce80217a0e98aTomi Valkeinen} dss_data; 10458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 105d09c7aa8989caf44e8754e8aa81ce80217a0e98aTomi Valkeinen/* protects dss_data */ 106063fd701abba3b58c36b6043d5feacf0fdc76cbdTomi Valkeinenstatic spinlock_t data_lock; 1075558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen/* lock for blocking functions */ 1085558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinenstatic DEFINE_MUTEX(apply_lock); 109f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinenstatic DECLARE_COMPLETION(extra_updated_completion); 110063fd701abba3b58c36b6043d5feacf0fdc76cbdTomi Valkeinen 11175c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinenstatic void dss_register_vsync_isr(void); 11275c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 113c10c6f042b6a5940c522a334a716d57b40f7dec9Tomi Valkeinenstatic struct ovl_priv_data *get_ovl_priv(struct omap_overlay *ovl) 114c10c6f042b6a5940c522a334a716d57b40f7dec9Tomi Valkeinen{ 115d09c7aa8989caf44e8754e8aa81ce80217a0e98aTomi Valkeinen return &dss_data.ovl_priv_data_array[ovl->id]; 116c10c6f042b6a5940c522a334a716d57b40f7dec9Tomi Valkeinen} 117c10c6f042b6a5940c522a334a716d57b40f7dec9Tomi Valkeinen 118af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinenstatic struct mgr_priv_data *get_mgr_priv(struct omap_overlay_manager *mgr) 119af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinen{ 120d09c7aa8989caf44e8754e8aa81ce80217a0e98aTomi Valkeinen return &dss_data.mgr_priv_data_array[mgr->id]; 121af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinen} 122af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinen 12358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenvoid dss_apply_init(void) 12458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen{ 125c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen const int num_ovls = dss_feat_get_num_ovls(); 126c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen int i; 127c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen 128063fd701abba3b58c36b6043d5feacf0fdc76cbdTomi Valkeinen spin_lock_init(&data_lock); 129c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen 130c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen for (i = 0; i < num_ovls; ++i) { 131c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen struct ovl_priv_data *op; 132c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen 133c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen op = &dss_data.ovl_priv_data_array[i]; 134c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen 135c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen op->info.global_alpha = 255; 136c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen 137c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen switch (i) { 138c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen case 0: 139c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen op->info.zorder = 0; 140c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen break; 141c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen case 1: 142c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen op->info.zorder = 143c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 3 : 0; 144c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen break; 145c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen case 2: 146c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen op->info.zorder = 147c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 2 : 0; 148c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen break; 149c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen case 3: 150c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen op->info.zorder = 151c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 1 : 0; 152c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen break; 153c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen } 154c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen 155c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen op->user_info = op->info; 156c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen } 15758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} 15858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 15958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenstatic bool ovl_manual_update(struct omap_overlay *ovl) 16058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen{ 16158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen return ovl->manager->device->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE; 16258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} 16358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 16458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenstatic bool mgr_manual_update(struct omap_overlay_manager *mgr) 16558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen{ 16658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen return mgr->device->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE; 16758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} 16858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 16975c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinenstatic bool need_isr(void) 17075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen{ 17175c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen const int num_mgrs = dss_feat_get_num_mgrs(); 17275c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen int i; 17375c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 17475c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen for (i = 0; i < num_mgrs; ++i) { 17575c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen struct omap_overlay_manager *mgr; 17675c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen struct mgr_priv_data *mp; 17775c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen struct omap_overlay *ovl; 17875c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 17975c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen mgr = omap_dss_get_overlay_manager(i); 18075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen mp = get_mgr_priv(mgr); 18175c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 18275c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen if (!mp->enabled) 18375c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen continue; 18475c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 18534861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen if (mgr_manual_update(mgr)) { 18634861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen /* to catch FRAMEDONE */ 18734861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen if (mp->updating) 18834861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen return true; 18934861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen } else { 19034861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen /* to catch GO bit going down */ 19134861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen if (mp->busy) 19234861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen return true; 19375c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 19434861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen /* to write new values to registers */ 1950b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen if (mp->info_dirty) 19634861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen return true; 19775c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 19834861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen list_for_each_entry(ovl, &mgr->overlays, list) { 19934861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen struct ovl_priv_data *op; 20075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 20134861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen op = get_ovl_priv(ovl); 20275c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 20334861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen if (!op->enabled) 20434861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen continue; 20575c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 20634861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen /* to write new values to registers */ 2070b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen if (op->info_dirty || op->extra_info_dirty) 20834861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen return true; 20934861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen } 21075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen } 21175c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen } 21275c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 21375c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen return false; 21475c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen} 21575c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 21675c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinenstatic bool need_go(struct omap_overlay_manager *mgr) 21775c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen{ 21875c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen struct omap_overlay *ovl; 21975c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen struct mgr_priv_data *mp; 22075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen struct ovl_priv_data *op; 22175c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 22275c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen mp = get_mgr_priv(mgr); 22375c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 2240b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen if (mp->shadow_info_dirty) 22575c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen return true; 22675c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 22775c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen list_for_each_entry(ovl, &mgr->overlays, list) { 22875c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen op = get_ovl_priv(ovl); 2290b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen if (op->shadow_info_dirty || op->shadow_extra_info_dirty) 23075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen return true; 23175c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen } 23275c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 23375c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen return false; 23475c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen} 23575c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 236f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen/* returns true if an extra_info field is currently being updated */ 237f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinenstatic bool extra_info_update_ongoing(void) 238f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen{ 239f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen const int num_ovls = omap_dss_get_num_overlays(); 240f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen struct ovl_priv_data *op; 241f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen struct omap_overlay *ovl; 242f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen struct mgr_priv_data *mp; 243f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen int i; 244f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen bool eid; 245f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 246f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen for (i = 0; i < num_ovls; ++i) { 247f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen ovl = omap_dss_get_overlay(i); 248f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen op = get_ovl_priv(ovl); 249f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 250f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen if (!op->enabled) 251f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen continue; 252f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 253f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen mp = get_mgr_priv(ovl->manager); 254f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 255f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen if (!mp->enabled) 256f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen continue; 257f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 258f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen eid = op->extra_info_dirty || op->shadow_extra_info_dirty; 259f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 260f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen if (!eid) 261f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen continue; 262f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 263f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen if (ovl_manual_update(ovl) && !mp->updating) 264f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen continue; 265f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 266f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen return true; 267f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen } 268f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 269f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen return false; 270f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen} 271f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 272f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen/* wait until no extra_info updates are pending */ 273f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinenstatic void wait_pending_extra_info_updates(void) 274f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen{ 275f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen bool updating; 276f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen unsigned long flags; 277f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen unsigned long t; 278f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 279f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen spin_lock_irqsave(&data_lock, flags); 280f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 281f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen updating = extra_info_update_ongoing(); 282f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 283f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen if (!updating) { 284f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 285f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen return; 286f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen } 287f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 288f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen init_completion(&extra_updated_completion); 289f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 290f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 291f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 292f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen t = msecs_to_jiffies(500); 293f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen wait_for_completion_timeout(&extra_updated_completion, t); 294f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 295f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen updating = extra_info_update_ongoing(); 296f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 297f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen WARN_ON(updating); 298f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen} 299f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 30058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenint dss_mgr_wait_for_go(struct omap_overlay_manager *mgr) 30158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen{ 30258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen unsigned long timeout = msecs_to_jiffies(500); 303af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinen struct mgr_priv_data *mp; 30458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen u32 irq; 30558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen int r; 30658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen int i; 30758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen struct omap_dss_device *dssdev = mgr->device; 30858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 30958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (!dssdev || dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) 31058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen return 0; 31158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 31258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (mgr_manual_update(mgr)) 31358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen return 0; 31458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 315bc1a95181f7069920c13fcef0159ffa7d61160f1Tomi Valkeinen irq = dispc_mgr_get_vsync_irq(mgr->id); 31658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 317af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinen mp = get_mgr_priv(mgr); 31858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen i = 0; 31958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen while (1) { 32058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen unsigned long flags; 32158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen bool shadow_dirty, dirty; 32258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 323063fd701abba3b58c36b6043d5feacf0fdc76cbdTomi Valkeinen spin_lock_irqsave(&data_lock, flags); 3240b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen dirty = mp->info_dirty; 3250b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen shadow_dirty = mp->shadow_info_dirty; 326063fd701abba3b58c36b6043d5feacf0fdc76cbdTomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 32758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 32858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (!dirty && !shadow_dirty) { 32958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen r = 0; 33058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen break; 33158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen } 33258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 33358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen /* 4 iterations is the worst case: 33458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * 1 - initial iteration, dirty = true (between VFP and VSYNC) 33558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * 2 - first VSYNC, dirty = true 33658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * 3 - dirty = false, shadow_dirty = true 33758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * 4 - shadow_dirty = false */ 33858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (i++ == 3) { 33958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen DSSERR("mgr(%d)->wait_for_go() not finishing\n", 34058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen mgr->id); 34158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen r = 0; 34258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen break; 34358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen } 34458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 34558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout); 34658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (r == -ERESTARTSYS) 34758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen break; 34858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 34958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (r) { 35058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen DSSERR("mgr(%d)->wait_for_go() timeout\n", mgr->id); 35158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen break; 35258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen } 35358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen } 35458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 35558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen return r; 35658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} 35758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 35858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenint dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl) 35958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen{ 36058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen unsigned long timeout = msecs_to_jiffies(500); 361c10c6f042b6a5940c522a334a716d57b40f7dec9Tomi Valkeinen struct ovl_priv_data *op; 36258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen struct omap_dss_device *dssdev; 36358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen u32 irq; 36458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen int r; 36558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen int i; 36658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 36758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (!ovl->manager) 36858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen return 0; 36958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 37058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen dssdev = ovl->manager->device; 37158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 37258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (!dssdev || dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) 37358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen return 0; 37458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 37558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (ovl_manual_update(ovl)) 37658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen return 0; 37758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 378bc1a95181f7069920c13fcef0159ffa7d61160f1Tomi Valkeinen irq = dispc_mgr_get_vsync_irq(ovl->manager->id); 37958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 380c10c6f042b6a5940c522a334a716d57b40f7dec9Tomi Valkeinen op = get_ovl_priv(ovl); 38158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen i = 0; 38258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen while (1) { 38358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen unsigned long flags; 38458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen bool shadow_dirty, dirty; 38558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 386063fd701abba3b58c36b6043d5feacf0fdc76cbdTomi Valkeinen spin_lock_irqsave(&data_lock, flags); 3870b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen dirty = op->info_dirty; 3880b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen shadow_dirty = op->shadow_info_dirty; 389063fd701abba3b58c36b6043d5feacf0fdc76cbdTomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 39058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 39158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (!dirty && !shadow_dirty) { 39258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen r = 0; 39358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen break; 39458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen } 39558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 39658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen /* 4 iterations is the worst case: 39758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * 1 - initial iteration, dirty = true (between VFP and VSYNC) 39858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * 2 - first VSYNC, dirty = true 39958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * 3 - dirty = false, shadow_dirty = true 40058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen * 4 - shadow_dirty = false */ 40158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (i++ == 3) { 40258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen DSSERR("ovl(%d)->wait_for_go() not finishing\n", 40358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen ovl->id); 40458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen r = 0; 40558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen break; 40658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen } 40758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 40858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout); 40958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (r == -ERESTARTSYS) 41058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen break; 41158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 41258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (r) { 41358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen DSSERR("ovl(%d)->wait_for_go() timeout\n", ovl->id); 41458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen break; 41558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen } 41658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen } 41758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 41858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen return r; 41958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} 42058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 42175c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinenstatic void dss_ovl_write_regs(struct omap_overlay *ovl) 42258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen{ 42375c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen struct ovl_priv_data *op = get_ovl_priv(ovl); 42458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen struct omap_overlay_info *oi; 42558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen bool ilace, replication; 42634861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen struct mgr_priv_data *mp; 42758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen int r; 42858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 429f6a5e0871f22428a7c74c07ddd791197c5f5d38fTomi Valkeinen DSSDBGF("%d", ovl->id); 43058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 4310b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen if (!op->enabled || !op->info_dirty) 43275c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen return; 43358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 43475c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen oi = &op->info; 43558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 43658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen replication = dss_use_replication(ovl->manager->device, oi->color_mode); 43758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 43858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen ilace = ovl->manager->device->type == OMAP_DISPLAY_TYPE_VENC; 43958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 440f6a5e0871f22428a7c74c07ddd791197c5f5d38fTomi Valkeinen r = dispc_ovl_setup(ovl->id, oi, ilace, replication); 44158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen if (r) { 44275c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen /* 44375c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen * We can't do much here, as this function can be called from 44475c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen * vsync interrupt. 44575c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen */ 446f6a5e0871f22428a7c74c07ddd791197c5f5d38fTomi Valkeinen DSSERR("dispc_ovl_setup failed for ovl %d\n", ovl->id); 44775c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 44875c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen /* This will leave fifo configurations in a nonoptimal state */ 44975c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen op->enabled = false; 45075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen dispc_ovl_enable(ovl->id, false); 45175c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen return; 45258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen } 45358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 45434861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen mp = get_mgr_priv(ovl->manager); 45534861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen 4560b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen op->info_dirty = false; 45734861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen if (mp->updating) 4580b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen op->shadow_info_dirty = true; 45958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} 46058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 461aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinenstatic void dss_ovl_write_regs_extra(struct omap_overlay *ovl) 462aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen{ 463aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen struct ovl_priv_data *op = get_ovl_priv(ovl); 46434861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen struct mgr_priv_data *mp; 465aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 466aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen DSSDBGF("%d", ovl->id); 467aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 46875c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen if (!op->extra_info_dirty) 46975c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen return; 47075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 471aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen /* note: write also when op->enabled == false, so that the ovl gets 472aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen * disabled */ 473aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 474aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen dispc_ovl_enable(ovl->id, op->enabled); 4755d5a97a6fbf98f82ae50c837eba3ebcfea0902f8Tomi Valkeinen dispc_ovl_set_channel_out(ovl->id, op->channel); 4766dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen dispc_ovl_set_fifo_threshold(ovl->id, op->fifo_low, op->fifo_high); 47775c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 47834861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen mp = get_mgr_priv(ovl->manager); 47934861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen 48075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen op->extra_info_dirty = false; 48134861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen if (mp->updating) 48234861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen op->shadow_extra_info_dirty = true; 483aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen} 484aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 485f6a5e0871f22428a7c74c07ddd791197c5f5d38fTomi Valkeinenstatic void dss_mgr_write_regs(struct omap_overlay_manager *mgr) 48658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen{ 48775c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen struct mgr_priv_data *mp = get_mgr_priv(mgr); 48875c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen struct omap_overlay *ovl; 48958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 490f6a5e0871f22428a7c74c07ddd791197c5f5d38fTomi Valkeinen DSSDBGF("%d", mgr->id); 49158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 49275c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen if (!mp->enabled) 49375c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen return; 49458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 49575c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen WARN_ON(mp->busy); 49658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 49758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen /* Commit overlay settings */ 49875c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen list_for_each_entry(ovl, &mgr->overlays, list) { 49975c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen dss_ovl_write_regs(ovl); 500aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen dss_ovl_write_regs_extra(ovl); 501aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen } 502aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 5030b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen if (mp->info_dirty) { 50475c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen dispc_mgr_setup(mgr->id, &mp->info); 50558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 5060b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen mp->info_dirty = false; 50734861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen if (mp->updating) 5080b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen mp->shadow_info_dirty = true; 50958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen } 51075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen} 51175c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 51275c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinenstatic void dss_write_regs(void) 51375c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen{ 51475c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen const int num_mgrs = omap_dss_get_num_overlay_managers(); 51575c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen int i; 51658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 51758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen for (i = 0; i < num_mgrs; ++i) { 51875c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen struct omap_overlay_manager *mgr; 51975c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen struct mgr_priv_data *mp; 52075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 521af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinen mgr = omap_dss_get_overlay_manager(i); 522af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinen mp = get_mgr_priv(mgr); 52358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 52475c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen if (!mp->enabled || mgr_manual_update(mgr) || mp->busy) 52558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen continue; 52658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 52775c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen dss_mgr_write_regs(mgr); 52875c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 52975c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen if (need_go(mgr)) { 53043a972d96b6ea2b9e3d6b55b9724c9f61d802c68Tomi Valkeinen mp->busy = true; 53158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 53275c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen if (!dss_data.irq_enabled && need_isr()) 53375c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen dss_register_vsync_isr(); 53458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 53575c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen dispc_mgr_go(mgr->id); 53675c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen } 53775c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen } 53858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} 53958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 54058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenvoid dss_mgr_start_update(struct omap_overlay_manager *mgr) 54158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen{ 542af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinen struct mgr_priv_data *mp = get_mgr_priv(mgr); 543e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen unsigned long flags; 544e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 545e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen spin_lock_irqsave(&data_lock, flags); 54658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 54734861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen WARN_ON(mp->updating); 54834861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen 54975c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen dss_mgr_write_regs(mgr); 55058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 55134861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen mp->updating = true; 55258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 55334861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen if (!dss_data.irq_enabled && need_isr()) 55434861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen dss_register_vsync_isr(); 55558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 5567797c6da64852b06b585b7eca8d3f657bfc9fa47Tomi Valkeinen dispc_mgr_enable(mgr->id, true); 557e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 558e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 55958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} 56058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 561dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinenstatic void dss_apply_irq_handler(void *data, u32 mask); 562dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen 563dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinenstatic void dss_register_vsync_isr(void) 564dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen{ 565bc1a95181f7069920c13fcef0159ffa7d61160f1Tomi Valkeinen const int num_mgrs = dss_feat_get_num_mgrs(); 566dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen u32 mask; 567bc1a95181f7069920c13fcef0159ffa7d61160f1Tomi Valkeinen int r, i; 568dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen 569bc1a95181f7069920c13fcef0159ffa7d61160f1Tomi Valkeinen mask = 0; 570bc1a95181f7069920c13fcef0159ffa7d61160f1Tomi Valkeinen for (i = 0; i < num_mgrs; ++i) 571bc1a95181f7069920c13fcef0159ffa7d61160f1Tomi Valkeinen mask |= dispc_mgr_get_vsync_irq(i); 572dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen 57334861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen for (i = 0; i < num_mgrs; ++i) 57434861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen mask |= dispc_mgr_get_framedone_irq(i); 57534861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen 576dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen r = omap_dispc_register_isr(dss_apply_irq_handler, NULL, mask); 577dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen WARN_ON(r); 578dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen 579d09c7aa8989caf44e8754e8aa81ce80217a0e98aTomi Valkeinen dss_data.irq_enabled = true; 580dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen} 581dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen 582dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinenstatic void dss_unregister_vsync_isr(void) 583dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen{ 584bc1a95181f7069920c13fcef0159ffa7d61160f1Tomi Valkeinen const int num_mgrs = dss_feat_get_num_mgrs(); 585dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen u32 mask; 586bc1a95181f7069920c13fcef0159ffa7d61160f1Tomi Valkeinen int r, i; 587dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen 588bc1a95181f7069920c13fcef0159ffa7d61160f1Tomi Valkeinen mask = 0; 589bc1a95181f7069920c13fcef0159ffa7d61160f1Tomi Valkeinen for (i = 0; i < num_mgrs; ++i) 590bc1a95181f7069920c13fcef0159ffa7d61160f1Tomi Valkeinen mask |= dispc_mgr_get_vsync_irq(i); 591dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen 59234861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen for (i = 0; i < num_mgrs; ++i) 59334861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen mask |= dispc_mgr_get_framedone_irq(i); 59434861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen 595dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen r = omap_dispc_unregister_isr(dss_apply_irq_handler, NULL, mask); 596dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen WARN_ON(r); 597dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen 598d09c7aa8989caf44e8754e8aa81ce80217a0e98aTomi Valkeinen dss_data.irq_enabled = false; 599dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen} 600dbce0160af31d2ea323656c201d8debf5af789bfTomi Valkeinen 6017609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinenstatic void mgr_clear_shadow_dirty(struct omap_overlay_manager *mgr) 60258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen{ 603c10c6f042b6a5940c522a334a716d57b40f7dec9Tomi Valkeinen struct omap_overlay *ovl; 604af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinen struct mgr_priv_data *mp; 605c10c6f042b6a5940c522a334a716d57b40f7dec9Tomi Valkeinen struct ovl_priv_data *op; 6067609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen 6077609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen mp = get_mgr_priv(mgr); 6080b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen mp->shadow_info_dirty = false; 6097609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen 6107609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen list_for_each_entry(ovl, &mgr->overlays, list) { 6117609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen op = get_ovl_priv(ovl); 6120b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen op->shadow_info_dirty = false; 6137609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen op->shadow_extra_info_dirty = false; 6147609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen } 6157609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen} 6167609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen 6177609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinenstatic void dss_apply_irq_handler(void *data, u32 mask) 6187609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen{ 61958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen const int num_mgrs = dss_feat_get_num_mgrs(); 62075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen int i; 621f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen bool extra_updating; 62258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 623063fd701abba3b58c36b6043d5feacf0fdc76cbdTomi Valkeinen spin_lock(&data_lock); 62458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 6257609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen /* clear busy, updating flags, shadow_dirty flags */ 62643a972d96b6ea2b9e3d6b55b9724c9f61d802c68Tomi Valkeinen for (i = 0; i < num_mgrs; i++) { 6277609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen struct omap_overlay_manager *mgr; 6287609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen struct mgr_priv_data *mp; 6297609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen 63043a972d96b6ea2b9e3d6b55b9724c9f61d802c68Tomi Valkeinen mgr = omap_dss_get_overlay_manager(i); 63143a972d96b6ea2b9e3d6b55b9724c9f61d802c68Tomi Valkeinen mp = get_mgr_priv(mgr); 63243a972d96b6ea2b9e3d6b55b9724c9f61d802c68Tomi Valkeinen 6337609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen if (!mp->enabled) 63443a972d96b6ea2b9e3d6b55b9724c9f61d802c68Tomi Valkeinen continue; 63543a972d96b6ea2b9e3d6b55b9724c9f61d802c68Tomi Valkeinen 6367609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen mp->updating = dispc_mgr_is_enabled(i); 63758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 6387609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen if (!mgr_manual_update(mgr)) { 6397609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen mp->busy = dispc_mgr_go_busy(i); 64043a972d96b6ea2b9e3d6b55b9724c9f61d802c68Tomi Valkeinen 6417609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen if (!mp->busy) 6427609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen mgr_clear_shadow_dirty(mgr); 6437609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen } else { 6447609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen if (!mp->updating) 6457609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen mgr_clear_shadow_dirty(mgr); 6467609893c637b422eec88b57d204f02d8798cfc65Tomi Valkeinen } 64758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen } 64858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 64975c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen dss_write_regs(); 65058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 651f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen extra_updating = extra_info_update_ongoing(); 652f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen if (!extra_updating) 653f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen complete_all(&extra_updated_completion); 654f1577ce18004337ec2f6f48109ca14cac10a0a4fTomi Valkeinen 65575c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen if (!need_isr()) 65675c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen dss_unregister_vsync_isr(); 65758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 658063fd701abba3b58c36b6043d5feacf0fdc76cbdTomi Valkeinen spin_unlock(&data_lock); 65958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} 66058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 6615738b633136a41923b4ba75e6b1a160d08539c99Tomi Valkeinenstatic void omap_dss_mgr_apply_ovl(struct omap_overlay *ovl) 66258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen{ 663c10c6f042b6a5940c522a334a716d57b40f7dec9Tomi Valkeinen struct ovl_priv_data *op; 66458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 665c10c6f042b6a5940c522a334a716d57b40f7dec9Tomi Valkeinen op = get_ovl_priv(ovl); 66658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 667c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen if (!op->user_info_dirty) 6685738b633136a41923b4ba75e6b1a160d08539c99Tomi Valkeinen return; 66958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 670c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen op->user_info_dirty = false; 6710b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen op->info_dirty = true; 672c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen op->info = op->user_info; 67358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} 67458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 67558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinenstatic void omap_dss_mgr_apply_mgr(struct omap_overlay_manager *mgr) 67658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen{ 677af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinen struct mgr_priv_data *mp; 67858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 679af3d64b2c674bc6246bb04654b484f34287fbbc3Tomi Valkeinen mp = get_mgr_priv(mgr); 68058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 681388c4c6cbb335e69fe23c8d18bd4b0e8dd66901bTomi Valkeinen if (!mp->user_info_dirty) 68258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen return; 68358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 684388c4c6cbb335e69fe23c8d18bd4b0e8dd66901bTomi Valkeinen mp->user_info_dirty = false; 6850b53f17971700f673492e2e91b5069893e5f2d0bTomi Valkeinen mp->info_dirty = true; 686388c4c6cbb335e69fe23c8d18bd4b0e8dd66901bTomi Valkeinen mp->info = mp->user_info; 68758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} 68858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 6896dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinenint omap_dss_mgr_apply(struct omap_overlay_manager *mgr) 69058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen{ 6916dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen unsigned long flags; 6926dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen struct omap_overlay *ovl; 6936dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen 6946dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen DSSDBG("omap_dss_mgr_apply(%s)\n", mgr->name); 6956dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen 6966dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen spin_lock_irqsave(&data_lock, flags); 6976dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen 6986dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen /* Configure overlays */ 6996dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen list_for_each_entry(ovl, &mgr->overlays, list) 7006dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen omap_dss_mgr_apply_ovl(ovl); 7016dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen 7026dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen /* Configure manager */ 7036dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen omap_dss_mgr_apply_mgr(mgr); 7046dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen 7056dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen dss_write_regs(); 7066dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen 7076dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 7086dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen 709e70f98acaa84ec9ad55e544d0dc8b2d0a36bbecaTomi Valkeinen return 0; 7106dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen} 7116dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen 712841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinenstatic void dss_apply_ovl_enable(struct omap_overlay *ovl, bool enable) 713841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen{ 714841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen struct ovl_priv_data *op; 715841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen 716841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen op = get_ovl_priv(ovl); 717841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen 718841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen if (op->enabled == enable) 719841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen return; 720841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen 721841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen op->enabled = enable; 722841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen op->extra_info_dirty = true; 723841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen} 724841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen 7256dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinenstatic void dss_ovl_setup_fifo(struct omap_overlay *ovl) 7266dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen{ 7276dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen struct ovl_priv_data *op = get_ovl_priv(ovl); 72858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen struct omap_dss_device *dssdev; 72958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen u32 size, burst_size; 7306dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen u32 fifo_low, fifo_high; 73158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 73258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen dssdev = ovl->manager->device; 73358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 73458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen size = dispc_ovl_get_fifo_size(ovl->id); 73558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 73658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen burst_size = dispc_ovl_get_burst_size(ovl->id); 73758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 73858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen switch (dssdev->type) { 73958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen case OMAP_DISPLAY_TYPE_DPI: 74058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen case OMAP_DISPLAY_TYPE_DBI: 74158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen case OMAP_DISPLAY_TYPE_SDI: 74258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen case OMAP_DISPLAY_TYPE_VENC: 74358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen case OMAP_DISPLAY_TYPE_HDMI: 74458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen default_get_overlay_fifo_thresholds(ovl->id, size, 7456dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen burst_size, &fifo_low, &fifo_high); 74658f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen break; 74758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#ifdef CONFIG_OMAP2_DSS_DSI 74858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen case OMAP_DISPLAY_TYPE_DSI: 74958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen dsi_get_overlay_fifo_thresholds(ovl->id, size, 7506dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen burst_size, &fifo_low, &fifo_high); 75158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen break; 75258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen#endif 75358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen default: 75458f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen BUG(); 75558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen } 7566dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen 7576dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen op->fifo_low = fifo_low; 7586dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen op->fifo_high = fifo_high; 7596dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen op->extra_info_dirty = true; 76058f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} 76158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 7626dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinenstatic void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr) 76358f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen{ 76407e327c9c18b382656bf455051759be8182627aeTomi Valkeinen struct omap_overlay *ovl; 7656dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen struct ovl_priv_data *op; 7666dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen struct mgr_priv_data *mp; 76758f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 7686dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen mp = get_mgr_priv(mgr); 76958f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 7706dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen if (!mp->enabled) 7716dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen return; 77258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 7736dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen list_for_each_entry(ovl, &mgr->overlays, list) { 7746dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen op = get_ovl_priv(ovl); 77558f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 7766dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen if (!op->enabled) 7776dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen continue; 77858f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 7796dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen dss_ovl_setup_fifo(ovl); 7806dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen } 78158f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen} 78258f2554807a7dc627f1583d1d4363b85758cf685Tomi Valkeinen 7837797c6da64852b06b585b7eca8d3f657bfc9fa47Tomi Valkeinenvoid dss_mgr_enable(struct omap_overlay_manager *mgr) 7847797c6da64852b06b585b7eca8d3f657bfc9fa47Tomi Valkeinen{ 785bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen struct mgr_priv_data *mp = get_mgr_priv(mgr); 786bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen unsigned long flags; 787bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen 7885558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_lock(&apply_lock); 7895558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 790e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen if (mp->enabled) 791e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen goto out; 792e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen 793bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen spin_lock_irqsave(&data_lock, flags); 794bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen 795bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen mp->enabled = true; 796bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen 7976dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen dss_mgr_setup_fifos(mgr); 7986dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen 79975c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen dss_write_regs(); 80075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 80134861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen if (!mgr_manual_update(mgr)) 80234861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen mp->updating = true; 80334861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen 804bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 8055558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 80675c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen if (!mgr_manual_update(mgr)) 80775c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen dispc_mgr_enable(mgr->id, true); 80875c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 809e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinenout: 8105558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_unlock(&apply_lock); 8117797c6da64852b06b585b7eca8d3f657bfc9fa47Tomi Valkeinen} 8127797c6da64852b06b585b7eca8d3f657bfc9fa47Tomi Valkeinen 8137797c6da64852b06b585b7eca8d3f657bfc9fa47Tomi Valkeinenvoid dss_mgr_disable(struct omap_overlay_manager *mgr) 8147797c6da64852b06b585b7eca8d3f657bfc9fa47Tomi Valkeinen{ 815bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen struct mgr_priv_data *mp = get_mgr_priv(mgr); 816bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen unsigned long flags; 817bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen 8185558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_lock(&apply_lock); 8195558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 820e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen if (!mp->enabled) 821e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen goto out; 822e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen 8239a147a65de1ac89e506ef90413f41ebd96e03fd3Tomi Valkeinen if (!mgr_manual_update(mgr)) 8249a147a65de1ac89e506ef90413f41ebd96e03fd3Tomi Valkeinen dispc_mgr_enable(mgr->id, false); 825bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen 826bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen spin_lock_irqsave(&data_lock, flags); 827bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen 82834861378a54e3fcac0eb87317ded2554b087494eTomi Valkeinen mp->updating = false; 829bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen mp->enabled = false; 830bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen 831bf213523fe9708572a0b0a9149f7196a4f058564Tomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 8325558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 833e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinenout: 8345558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_unlock(&apply_lock); 8357797c6da64852b06b585b7eca8d3f657bfc9fa47Tomi Valkeinen} 8367797c6da64852b06b585b7eca8d3f657bfc9fa47Tomi Valkeinen 837eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinenint dss_mgr_set_info(struct omap_overlay_manager *mgr, 838eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen struct omap_overlay_manager_info *info) 839eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen{ 840388c4c6cbb335e69fe23c8d18bd4b0e8dd66901bTomi Valkeinen struct mgr_priv_data *mp = get_mgr_priv(mgr); 841e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen unsigned long flags; 842e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 843e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen spin_lock_irqsave(&data_lock, flags); 844e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 845388c4c6cbb335e69fe23c8d18bd4b0e8dd66901bTomi Valkeinen mp->user_info = *info; 846388c4c6cbb335e69fe23c8d18bd4b0e8dd66901bTomi Valkeinen mp->user_info_dirty = true; 847eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 848e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 849e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 850eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen return 0; 851eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen} 852eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 853eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinenvoid dss_mgr_get_info(struct omap_overlay_manager *mgr, 854eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen struct omap_overlay_manager_info *info) 855eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen{ 856388c4c6cbb335e69fe23c8d18bd4b0e8dd66901bTomi Valkeinen struct mgr_priv_data *mp = get_mgr_priv(mgr); 857e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen unsigned long flags; 858e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 859e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen spin_lock_irqsave(&data_lock, flags); 860e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 861388c4c6cbb335e69fe23c8d18bd4b0e8dd66901bTomi Valkeinen *info = mp->user_info; 862e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 863e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 864eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen} 865eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 866eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinenint dss_mgr_set_device(struct omap_overlay_manager *mgr, 867eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen struct omap_dss_device *dssdev) 868eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen{ 869eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen int r; 870eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 8715558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_lock(&apply_lock); 8725558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 873eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen if (dssdev->manager) { 874eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen DSSERR("display '%s' already has a manager '%s'\n", 875eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen dssdev->name, dssdev->manager->name); 8765558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen r = -EINVAL; 8775558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen goto err; 878eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen } 879eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 880eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen if ((mgr->supported_displays & dssdev->type) == 0) { 881eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen DSSERR("display '%s' does not support manager '%s'\n", 882eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen dssdev->name, mgr->name); 8835558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen r = -EINVAL; 8845558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen goto err; 885eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen } 886eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 887eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen dssdev->manager = mgr; 888eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen mgr->device = dssdev; 889eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 8905558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_unlock(&apply_lock); 8915558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 892eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen return 0; 8935558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinenerr: 8945558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_unlock(&apply_lock); 8955558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen return r; 896eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen} 897eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 898eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinenint dss_mgr_unset_device(struct omap_overlay_manager *mgr) 899eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen{ 9005558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen int r; 9015558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 9025558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_lock(&apply_lock); 9035558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 904eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen if (!mgr->device) { 905eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen DSSERR("failed to unset display, display not set.\n"); 9065558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen r = -EINVAL; 9075558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen goto err; 908eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen } 909eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 910eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen /* 911eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen * Don't allow currently enabled displays to have the overlay manager 912eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen * pulled out from underneath them 913eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen */ 9145558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen if (mgr->device->state != OMAP_DSS_DISPLAY_DISABLED) { 9155558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen r = -EINVAL; 9165558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen goto err; 9175558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen } 918eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 919eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen mgr->device->manager = NULL; 920eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen mgr->device = NULL; 921eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 9225558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_unlock(&apply_lock); 9235558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 924eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen return 0; 9255558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinenerr: 9265558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_unlock(&apply_lock); 9275558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen return r; 928eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen} 929eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 930eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 931eb70d739adf2266e744a784a1272f1c92a257b81Tomi Valkeinen 932f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinenint dss_ovl_set_info(struct omap_overlay *ovl, 933f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen struct omap_overlay_info *info) 934f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen{ 935c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen struct ovl_priv_data *op = get_ovl_priv(ovl); 936e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen unsigned long flags; 937e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 938e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen spin_lock_irqsave(&data_lock, flags); 939e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 940c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen op->user_info = *info; 941c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen op->user_info_dirty = true; 942f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen 943e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 944e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 945f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen return 0; 946f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen} 947f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen 948f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinenvoid dss_ovl_get_info(struct omap_overlay *ovl, 949f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen struct omap_overlay_info *info) 950f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen{ 951c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen struct ovl_priv_data *op = get_ovl_priv(ovl); 952e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen unsigned long flags; 953e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 954e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen spin_lock_irqsave(&data_lock, flags); 955e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 956c1a9febfafa2a9a9ac09b2de4c80aa96b41a03d1Tomi Valkeinen *info = op->user_info; 957e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen 958e0a2aa5b3d1a26969ba906447c816d44c018969dTomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 959f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen} 960f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen 961f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinenint dss_ovl_set_manager(struct omap_overlay *ovl, 962f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen struct omap_overlay_manager *mgr) 963f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen{ 964aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen struct ovl_priv_data *op = get_ovl_priv(ovl); 965aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen unsigned long flags; 9665558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen int r; 9675558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 968f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen if (!mgr) 969f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen return -EINVAL; 970f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen 9715558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_lock(&apply_lock); 9725558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 973f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen if (ovl->manager) { 974f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen DSSERR("overlay '%s' already has a manager '%s'\n", 975f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen ovl->name, ovl->manager->name); 9765558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen r = -EINVAL; 9775558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen goto err; 978f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen } 979f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen 980aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen spin_lock_irqsave(&data_lock, flags); 981aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 982aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen if (op->enabled) { 983aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 984f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen DSSERR("overlay has to be disabled to change the manager\n"); 9855558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen r = -EINVAL; 9865558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen goto err; 987f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen } 988f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen 9895d5a97a6fbf98f82ae50c837eba3ebcfea0902f8Tomi Valkeinen op->channel = mgr->id; 9905d5a97a6fbf98f82ae50c837eba3ebcfea0902f8Tomi Valkeinen op->extra_info_dirty = true; 9915d5a97a6fbf98f82ae50c837eba3ebcfea0902f8Tomi Valkeinen 992f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen ovl->manager = mgr; 993f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen list_add_tail(&ovl->list, &mgr->overlays); 994f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen 995aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 996aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 997f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen /* XXX: When there is an overlay on a DSI manual update display, and 998f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen * the overlay is first disabled, then moved to tv, and enabled, we 999f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen * seem to get SYNC_LOST_DIGIT error. 1000f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen * 1001f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen * Waiting doesn't seem to help, but updating the manual update display 1002f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen * after disabling the overlay seems to fix this. This hints that the 1003f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen * overlay is perhaps somehow tied to the LCD output until the output 1004f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen * is updated. 1005f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen * 1006f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen * Userspace workaround for this is to update the LCD after disabling 1007f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen * the overlay, but before moving the overlay to TV. 1008f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen */ 1009f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen 10105558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_unlock(&apply_lock); 10115558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 1012f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen return 0; 10135558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinenerr: 10145558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_unlock(&apply_lock); 10155558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen return r; 1016f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen} 1017f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen 1018f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinenint dss_ovl_unset_manager(struct omap_overlay *ovl) 1019f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen{ 1020aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen struct ovl_priv_data *op = get_ovl_priv(ovl); 1021aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen unsigned long flags; 10225558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen int r; 10235558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 10245558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_lock(&apply_lock); 10255558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 1026f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen if (!ovl->manager) { 1027f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen DSSERR("failed to detach overlay: manager not set\n"); 10285558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen r = -EINVAL; 10295558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen goto err; 1030f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen } 1031f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen 1032aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen spin_lock_irqsave(&data_lock, flags); 1033aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1034aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen if (op->enabled) { 1035aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 1036f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen DSSERR("overlay has to be disabled to unset the manager\n"); 10375558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen r = -EINVAL; 10385558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen goto err; 1039f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen } 1040f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen 10415d5a97a6fbf98f82ae50c837eba3ebcfea0902f8Tomi Valkeinen op->channel = -1; 10425d5a97a6fbf98f82ae50c837eba3ebcfea0902f8Tomi Valkeinen 1043f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen ovl->manager = NULL; 1044f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen list_del(&ovl->list); 1045f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen 1046aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 1047aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1048aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen mutex_unlock(&apply_lock); 1049aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1050aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen return 0; 1051aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinenerr: 1052aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen mutex_unlock(&apply_lock); 1053aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen return r; 1054aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen} 1055aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1056aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinenbool dss_ovl_is_enabled(struct omap_overlay *ovl) 1057aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen{ 1058aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen struct ovl_priv_data *op = get_ovl_priv(ovl); 1059aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen unsigned long flags; 1060aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen bool e; 1061aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1062aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen spin_lock_irqsave(&data_lock, flags); 1063aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1064aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen e = op->enabled; 1065aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1066aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 1067aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1068aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen return e; 1069aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen} 1070aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1071aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinenint dss_ovl_enable(struct omap_overlay *ovl) 1072aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen{ 1073aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen struct ovl_priv_data *op = get_ovl_priv(ovl); 1074aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen unsigned long flags; 1075aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen int r; 1076aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1077aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen mutex_lock(&apply_lock); 1078aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1079e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen if (op->enabled) { 1080e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen r = 0; 1081e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen goto err; 1082e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen } 1083e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen 1084aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen if (ovl->manager == NULL || ovl->manager->device == NULL) { 1085aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen r = -EINVAL; 1086aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen goto err; 1087aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen } 1088aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1089aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen spin_lock_irqsave(&data_lock, flags); 1090aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1091841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen dss_apply_ovl_enable(ovl, true); 1092aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 10936dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen dss_ovl_setup_fifo(ovl); 10946dc802e2901d33e02efad3c90bb2034fd20c79e7Tomi Valkeinen 109575c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen dss_write_regs(); 109675c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 1097aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 1098aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1099aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen mutex_unlock(&apply_lock); 1100aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1101aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen return 0; 1102aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinenerr: 1103aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen mutex_unlock(&apply_lock); 1104aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen return r; 1105aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen} 1106aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1107aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinenint dss_ovl_disable(struct omap_overlay *ovl) 1108aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen{ 1109aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen struct ovl_priv_data *op = get_ovl_priv(ovl); 1110aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen unsigned long flags; 1111aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen int r; 1112aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1113aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen mutex_lock(&apply_lock); 1114aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1115e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen if (!op->enabled) { 1116e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen r = 0; 1117e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen goto err; 1118e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen } 1119e4f7ad702ef271d2b0c03e9904b05f9bcbf0808bTomi Valkeinen 1120aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen if (ovl->manager == NULL || ovl->manager->device == NULL) { 1121aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen r = -EINVAL; 1122aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen goto err; 1123aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen } 1124aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1125aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen spin_lock_irqsave(&data_lock, flags); 1126aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 1127841c09c7975c67fe7741564d98265de28a5764d0Tomi Valkeinen dss_apply_ovl_enable(ovl, false); 1128aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 112975c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen dss_write_regs(); 113075c949653fdf77a17753ffb8462a3c458c476271Tomi Valkeinen 1131aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen spin_unlock_irqrestore(&data_lock, flags); 1132aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 11335558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_unlock(&apply_lock); 11345558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen 1135f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen return 0; 1136aaa874a985158383c4b394c687c716ef26288741Tomi Valkeinen 11375558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinenerr: 11385558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen mutex_unlock(&apply_lock); 11395558db3fdd52e3928d5eaabe363e1576dc5fe473Tomi Valkeinen return r; 1140f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen} 1141f77b30700e5c0a6b5220b3a964bf6c40d5e71416Tomi Valkeinen 1142