1f453ba04SDave Airlie /* 2f453ba04SDave Airlie * Copyright (c) 2006-2008 Intel Corporation 3f453ba04SDave Airlie * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> 4f453ba04SDave Airlie * Copyright (c) 2008 Red Hat Inc. 5f453ba04SDave Airlie * 6f453ba04SDave Airlie * DRM core CRTC related functions 7f453ba04SDave Airlie * 8f453ba04SDave Airlie * Permission to use, copy, modify, distribute, and sell this software and its 9f453ba04SDave Airlie * documentation for any purpose is hereby granted without fee, provided that 10f453ba04SDave Airlie * the above copyright notice appear in all copies and that both that copyright 11f453ba04SDave Airlie * notice and this permission notice appear in supporting documentation, and 12f453ba04SDave Airlie * that the name of the copyright holders not be used in advertising or 13f453ba04SDave Airlie * publicity pertaining to distribution of the software without specific, 14f453ba04SDave Airlie * written prior permission. The copyright holders make no representations 15f453ba04SDave Airlie * about the suitability of this software for any purpose. It is provided "as 16f453ba04SDave Airlie * is" without express or implied warranty. 17f453ba04SDave Airlie * 18f453ba04SDave Airlie * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 19f453ba04SDave Airlie * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 20f453ba04SDave Airlie * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR 21f453ba04SDave Airlie * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 22f453ba04SDave Airlie * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 23f453ba04SDave Airlie * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 24f453ba04SDave Airlie * OF THIS SOFTWARE. 25f453ba04SDave Airlie * 26f453ba04SDave Airlie * Authors: 27f453ba04SDave Airlie * Keith Packard 28f453ba04SDave Airlie * Eric Anholt <eric@anholt.net> 29f453ba04SDave Airlie * Dave Airlie <airlied@linux.ie> 30f453ba04SDave Airlie * Jesse Barnes <jesse.barnes@intel.com> 31f453ba04SDave Airlie */ 32f453ba04SDave Airlie #include <linux/list.h> 335a0e3ad6STejun Heo #include <linux/slab.h> 34f453ba04SDave Airlie #include "drm.h" 35f453ba04SDave Airlie #include "drmP.h" 36f453ba04SDave Airlie #include "drm_crtc.h" 377466f4ccSAdam Jackson #include "drm_edid.h" 38f453ba04SDave Airlie 39f453ba04SDave Airlie struct drm_prop_enum_list { 40f453ba04SDave Airlie int type; 41f453ba04SDave Airlie char *name; 42f453ba04SDave Airlie }; 43f453ba04SDave Airlie 44f453ba04SDave Airlie /* Avoid boilerplate. I'm tired of typing. */ 45f453ba04SDave Airlie #define DRM_ENUM_NAME_FN(fnname, list) \ 46f453ba04SDave Airlie char *fnname(int val) \ 47f453ba04SDave Airlie { \ 48f453ba04SDave Airlie int i; \ 49f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(list); i++) { \ 50f453ba04SDave Airlie if (list[i].type == val) \ 51f453ba04SDave Airlie return list[i].name; \ 52f453ba04SDave Airlie } \ 53f453ba04SDave Airlie return "(unknown)"; \ 54f453ba04SDave Airlie } 55f453ba04SDave Airlie 56f453ba04SDave Airlie /* 57f453ba04SDave Airlie * Global properties 58f453ba04SDave Airlie */ 59f453ba04SDave Airlie static struct drm_prop_enum_list drm_dpms_enum_list[] = 60f453ba04SDave Airlie { { DRM_MODE_DPMS_ON, "On" }, 61f453ba04SDave Airlie { DRM_MODE_DPMS_STANDBY, "Standby" }, 62f453ba04SDave Airlie { DRM_MODE_DPMS_SUSPEND, "Suspend" }, 63f453ba04SDave Airlie { DRM_MODE_DPMS_OFF, "Off" } 64f453ba04SDave Airlie }; 65f453ba04SDave Airlie 66f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) 67f453ba04SDave Airlie 68f453ba04SDave Airlie /* 69f453ba04SDave Airlie * Optional properties 70f453ba04SDave Airlie */ 71f453ba04SDave Airlie static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = 72f453ba04SDave Airlie { 7353bd8389SJesse Barnes { DRM_MODE_SCALE_NONE, "None" }, 7453bd8389SJesse Barnes { DRM_MODE_SCALE_FULLSCREEN, "Full" }, 7553bd8389SJesse Barnes { DRM_MODE_SCALE_CENTER, "Center" }, 7653bd8389SJesse Barnes { DRM_MODE_SCALE_ASPECT, "Full aspect" }, 77f453ba04SDave Airlie }; 78f453ba04SDave Airlie 79f453ba04SDave Airlie static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = 80f453ba04SDave Airlie { 81f453ba04SDave Airlie { DRM_MODE_DITHERING_OFF, "Off" }, 82f453ba04SDave Airlie { DRM_MODE_DITHERING_ON, "On" }, 8392897b5cSBen Skeggs { DRM_MODE_DITHERING_AUTO, "Automatic" }, 84f453ba04SDave Airlie }; 85f453ba04SDave Airlie 86f453ba04SDave Airlie /* 87f453ba04SDave Airlie * Non-global properties, but "required" for certain connectors. 88f453ba04SDave Airlie */ 89f453ba04SDave Airlie static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = 90f453ba04SDave Airlie { 91f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 92f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 93f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 94f453ba04SDave Airlie }; 95f453ba04SDave Airlie 96f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) 97f453ba04SDave Airlie 98f453ba04SDave Airlie static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = 99f453ba04SDave Airlie { 100f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 101f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 102f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 103f453ba04SDave Airlie }; 104f453ba04SDave Airlie 105f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, 106f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list) 107f453ba04SDave Airlie 108f453ba04SDave Airlie static struct drm_prop_enum_list drm_tv_select_enum_list[] = 109f453ba04SDave Airlie { 110f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 111f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 112f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 113f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 114aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 115f453ba04SDave Airlie }; 116f453ba04SDave Airlie 117f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 118f453ba04SDave Airlie 119f453ba04SDave Airlie static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = 120f453ba04SDave Airlie { 121f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 122f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 123f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 124f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 125aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 126f453ba04SDave Airlie }; 127f453ba04SDave Airlie 128f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 129f453ba04SDave Airlie drm_tv_subconnector_enum_list) 130f453ba04SDave Airlie 131884840aaSJakob Bornecrantz static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { 132884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_OFF, "Off" }, 133884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ON, "On" }, 134884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, 135884840aaSJakob Bornecrantz }; 136884840aaSJakob Bornecrantz 137884840aaSJakob Bornecrantz DRM_ENUM_NAME_FN(drm_get_dirty_info_name, 138884840aaSJakob Bornecrantz drm_dirty_info_enum_list) 139884840aaSJakob Bornecrantz 140f453ba04SDave Airlie struct drm_conn_prop_enum_list { 141f453ba04SDave Airlie int type; 142f453ba04SDave Airlie char *name; 143f453ba04SDave Airlie int count; 144f453ba04SDave Airlie }; 145f453ba04SDave Airlie 146f453ba04SDave Airlie /* 147f453ba04SDave Airlie * Connector and encoder types. 148f453ba04SDave Airlie */ 149f453ba04SDave Airlie static struct drm_conn_prop_enum_list drm_connector_enum_list[] = 150f453ba04SDave Airlie { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, 151f453ba04SDave Airlie { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, 152f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, 153f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, 154f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, 155f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, 156f453ba04SDave Airlie { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, 157f453ba04SDave Airlie { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, 158f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Component, "Component", 0 }, 159f453ba04SDave Airlie { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN", 0 }, 160f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DisplayPort, "DisplayPort", 0 }, 161f453ba04SDave Airlie { DRM_MODE_CONNECTOR_HDMIA, "HDMI Type A", 0 }, 162f453ba04SDave Airlie { DRM_MODE_CONNECTOR_HDMIB, "HDMI Type B", 0 }, 16374bd3c26SFrancisco Jerez { DRM_MODE_CONNECTOR_TV, "TV", 0 }, 1647970e677SAlex Deucher { DRM_MODE_CONNECTOR_eDP, "Embedded DisplayPort", 0 }, 165f453ba04SDave Airlie }; 166f453ba04SDave Airlie 167f453ba04SDave Airlie static struct drm_prop_enum_list drm_encoder_enum_list[] = 168f453ba04SDave Airlie { { DRM_MODE_ENCODER_NONE, "None" }, 169f453ba04SDave Airlie { DRM_MODE_ENCODER_DAC, "DAC" }, 170f453ba04SDave Airlie { DRM_MODE_ENCODER_TMDS, "TMDS" }, 171f453ba04SDave Airlie { DRM_MODE_ENCODER_LVDS, "LVDS" }, 172f453ba04SDave Airlie { DRM_MODE_ENCODER_TVDAC, "TV" }, 173f453ba04SDave Airlie }; 174f453ba04SDave Airlie 175f453ba04SDave Airlie char *drm_get_encoder_name(struct drm_encoder *encoder) 176f453ba04SDave Airlie { 177f453ba04SDave Airlie static char buf[32]; 178f453ba04SDave Airlie 179f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 180f453ba04SDave Airlie drm_encoder_enum_list[encoder->encoder_type].name, 181f453ba04SDave Airlie encoder->base.id); 182f453ba04SDave Airlie return buf; 183f453ba04SDave Airlie } 18413a8195bSDave Airlie EXPORT_SYMBOL(drm_get_encoder_name); 185f453ba04SDave Airlie 186f453ba04SDave Airlie char *drm_get_connector_name(struct drm_connector *connector) 187f453ba04SDave Airlie { 188f453ba04SDave Airlie static char buf[32]; 189f453ba04SDave Airlie 190f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 191f453ba04SDave Airlie drm_connector_enum_list[connector->connector_type].name, 192f453ba04SDave Airlie connector->connector_type_id); 193f453ba04SDave Airlie return buf; 194f453ba04SDave Airlie } 195f453ba04SDave Airlie EXPORT_SYMBOL(drm_get_connector_name); 196f453ba04SDave Airlie 197f453ba04SDave Airlie char *drm_get_connector_status_name(enum drm_connector_status status) 198f453ba04SDave Airlie { 199f453ba04SDave Airlie if (status == connector_status_connected) 200f453ba04SDave Airlie return "connected"; 201f453ba04SDave Airlie else if (status == connector_status_disconnected) 202f453ba04SDave Airlie return "disconnected"; 203f453ba04SDave Airlie else 204f453ba04SDave Airlie return "unknown"; 205f453ba04SDave Airlie } 206f453ba04SDave Airlie 207f453ba04SDave Airlie /** 208f453ba04SDave Airlie * drm_mode_object_get - allocate a new identifier 209f453ba04SDave Airlie * @dev: DRM device 210f453ba04SDave Airlie * @ptr: object pointer, used to generate unique ID 211f453ba04SDave Airlie * @type: object type 212f453ba04SDave Airlie * 213f453ba04SDave Airlie * LOCKING: 214f453ba04SDave Airlie * 215f453ba04SDave Airlie * Create a unique identifier based on @ptr in @dev's identifier space. Used 216f453ba04SDave Airlie * for tracking modes, CRTCs and connectors. 217f453ba04SDave Airlie * 218f453ba04SDave Airlie * RETURNS: 219f453ba04SDave Airlie * New unique (relative to other objects in @dev) integer identifier for the 220f453ba04SDave Airlie * object. 221f453ba04SDave Airlie */ 222f453ba04SDave Airlie static int drm_mode_object_get(struct drm_device *dev, 223f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 224f453ba04SDave Airlie { 225f453ba04SDave Airlie int new_id = 0; 226f453ba04SDave Airlie int ret; 227f453ba04SDave Airlie 228f453ba04SDave Airlie again: 229f453ba04SDave Airlie if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { 230f453ba04SDave Airlie DRM_ERROR("Ran out memory getting a mode number\n"); 231f453ba04SDave Airlie return -EINVAL; 232f453ba04SDave Airlie } 233f453ba04SDave Airlie 234ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 235f453ba04SDave Airlie ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); 236ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 237f453ba04SDave Airlie if (ret == -EAGAIN) 238f453ba04SDave Airlie goto again; 239f453ba04SDave Airlie 240f453ba04SDave Airlie obj->id = new_id; 241f453ba04SDave Airlie obj->type = obj_type; 242f453ba04SDave Airlie return 0; 243f453ba04SDave Airlie } 244f453ba04SDave Airlie 245f453ba04SDave Airlie /** 246f453ba04SDave Airlie * drm_mode_object_put - free an identifer 247f453ba04SDave Airlie * @dev: DRM device 248f453ba04SDave Airlie * @id: ID to free 249f453ba04SDave Airlie * 250f453ba04SDave Airlie * LOCKING: 251f453ba04SDave Airlie * Caller must hold DRM mode_config lock. 252f453ba04SDave Airlie * 253f453ba04SDave Airlie * Free @id from @dev's unique identifier pool. 254f453ba04SDave Airlie */ 255f453ba04SDave Airlie static void drm_mode_object_put(struct drm_device *dev, 256f453ba04SDave Airlie struct drm_mode_object *object) 257f453ba04SDave Airlie { 258ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 259f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 260ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 261f453ba04SDave Airlie } 262f453ba04SDave Airlie 2637a9c9060SDaniel Vetter struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 2647a9c9060SDaniel Vetter uint32_t id, uint32_t type) 265f453ba04SDave Airlie { 266ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 267f453ba04SDave Airlie 268ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 269f453ba04SDave Airlie obj = idr_find(&dev->mode_config.crtc_idr, id); 270f453ba04SDave Airlie if (!obj || (obj->type != type) || (obj->id != id)) 271ad2563c2SJesse Barnes obj = NULL; 272ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 273f453ba04SDave Airlie 274f453ba04SDave Airlie return obj; 275f453ba04SDave Airlie } 276f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 277f453ba04SDave Airlie 278f453ba04SDave Airlie /** 279f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 280f453ba04SDave Airlie * @dev: DRM device 281f453ba04SDave Airlie * 282f453ba04SDave Airlie * LOCKING: 283f453ba04SDave Airlie * Caller must hold mode config lock. 284f453ba04SDave Airlie * 285f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 286f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 287f453ba04SDave Airlie * 288f453ba04SDave Airlie * RETURNS: 289af901ca1SAndré Goddard Rosa * Zero on success, error code on failure. 290f453ba04SDave Airlie */ 291f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 292f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 293f453ba04SDave Airlie { 294f453ba04SDave Airlie int ret; 295f453ba04SDave Airlie 296f453ba04SDave Airlie ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 297f453ba04SDave Airlie if (ret) { 298f453ba04SDave Airlie return ret; 299f453ba04SDave Airlie } 300f453ba04SDave Airlie 301f453ba04SDave Airlie fb->dev = dev; 302f453ba04SDave Airlie fb->funcs = funcs; 303f453ba04SDave Airlie dev->mode_config.num_fb++; 304f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 305f453ba04SDave Airlie 306f453ba04SDave Airlie return 0; 307f453ba04SDave Airlie } 308f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 309f453ba04SDave Airlie 310f453ba04SDave Airlie /** 311f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 312f453ba04SDave Airlie * @fb: framebuffer to remove 313f453ba04SDave Airlie * 314f453ba04SDave Airlie * LOCKING: 315f453ba04SDave Airlie * Caller must hold mode config lock. 316f453ba04SDave Airlie * 317f453ba04SDave Airlie * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes 318f453ba04SDave Airlie * it, setting it to NULL. 319f453ba04SDave Airlie */ 320f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 321f453ba04SDave Airlie { 322f453ba04SDave Airlie struct drm_device *dev = fb->dev; 323f453ba04SDave Airlie struct drm_crtc *crtc; 3245ef5f72fSDave Airlie struct drm_mode_set set; 3255ef5f72fSDave Airlie int ret; 326f453ba04SDave Airlie 327f453ba04SDave Airlie /* remove from any CRTC */ 328f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 3295ef5f72fSDave Airlie if (crtc->fb == fb) { 3305ef5f72fSDave Airlie /* should turn off the crtc */ 3315ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 3325ef5f72fSDave Airlie set.crtc = crtc; 3335ef5f72fSDave Airlie set.fb = NULL; 3345ef5f72fSDave Airlie ret = crtc->funcs->set_config(&set); 3355ef5f72fSDave Airlie if (ret) 3365ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 3375ef5f72fSDave Airlie } 338f453ba04SDave Airlie } 339f453ba04SDave Airlie 340f453ba04SDave Airlie drm_mode_object_put(dev, &fb->base); 341f453ba04SDave Airlie list_del(&fb->head); 342f453ba04SDave Airlie dev->mode_config.num_fb--; 343f453ba04SDave Airlie } 344f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_cleanup); 345f453ba04SDave Airlie 346f453ba04SDave Airlie /** 347f453ba04SDave Airlie * drm_crtc_init - Initialise a new CRTC object 348f453ba04SDave Airlie * @dev: DRM device 349f453ba04SDave Airlie * @crtc: CRTC object to init 350f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 351f453ba04SDave Airlie * 352f453ba04SDave Airlie * LOCKING: 353f453ba04SDave Airlie * Caller must hold mode config lock. 354f453ba04SDave Airlie * 355f453ba04SDave Airlie * Inits a new object created as base part of an driver crtc object. 356f453ba04SDave Airlie */ 357f453ba04SDave Airlie void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, 358f453ba04SDave Airlie const struct drm_crtc_funcs *funcs) 359f453ba04SDave Airlie { 360f453ba04SDave Airlie crtc->dev = dev; 361f453ba04SDave Airlie crtc->funcs = funcs; 362f453ba04SDave Airlie 363f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 364f453ba04SDave Airlie drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 365f453ba04SDave Airlie 366f453ba04SDave Airlie list_add_tail(&crtc->head, &dev->mode_config.crtc_list); 367f453ba04SDave Airlie dev->mode_config.num_crtc++; 368f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 369f453ba04SDave Airlie } 370f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_init); 371f453ba04SDave Airlie 372f453ba04SDave Airlie /** 373f453ba04SDave Airlie * drm_crtc_cleanup - Cleans up the core crtc usage. 374f453ba04SDave Airlie * @crtc: CRTC to cleanup 375f453ba04SDave Airlie * 376f453ba04SDave Airlie * LOCKING: 377f453ba04SDave Airlie * Caller must hold mode config lock. 378f453ba04SDave Airlie * 379f453ba04SDave Airlie * Cleanup @crtc. Removes from drm modesetting space 380f453ba04SDave Airlie * does NOT free object, caller does that. 381f453ba04SDave Airlie */ 382f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 383f453ba04SDave Airlie { 384f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 385f453ba04SDave Airlie 386f453ba04SDave Airlie if (crtc->gamma_store) { 387f453ba04SDave Airlie kfree(crtc->gamma_store); 388f453ba04SDave Airlie crtc->gamma_store = NULL; 389f453ba04SDave Airlie } 390f453ba04SDave Airlie 391f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 392f453ba04SDave Airlie list_del(&crtc->head); 393f453ba04SDave Airlie dev->mode_config.num_crtc--; 394f453ba04SDave Airlie } 395f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 396f453ba04SDave Airlie 397f453ba04SDave Airlie /** 398f453ba04SDave Airlie * drm_mode_probed_add - add a mode to a connector's probed mode list 399f453ba04SDave Airlie * @connector: connector the new mode 400f453ba04SDave Airlie * @mode: mode data 401f453ba04SDave Airlie * 402f453ba04SDave Airlie * LOCKING: 403f453ba04SDave Airlie * Caller must hold mode config lock. 404f453ba04SDave Airlie * 405f453ba04SDave Airlie * Add @mode to @connector's mode list for later use. 406f453ba04SDave Airlie */ 407f453ba04SDave Airlie void drm_mode_probed_add(struct drm_connector *connector, 408f453ba04SDave Airlie struct drm_display_mode *mode) 409f453ba04SDave Airlie { 410f453ba04SDave Airlie list_add(&mode->head, &connector->probed_modes); 411f453ba04SDave Airlie } 412f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_probed_add); 413f453ba04SDave Airlie 414f453ba04SDave Airlie /** 415f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 416f453ba04SDave Airlie * @connector: connector list to modify 417f453ba04SDave Airlie * @mode: mode to remove 418f453ba04SDave Airlie * 419f453ba04SDave Airlie * LOCKING: 420f453ba04SDave Airlie * Caller must hold mode config lock. 421f453ba04SDave Airlie * 422f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 423f453ba04SDave Airlie */ 424f453ba04SDave Airlie void drm_mode_remove(struct drm_connector *connector, 425f453ba04SDave Airlie struct drm_display_mode *mode) 426f453ba04SDave Airlie { 427f453ba04SDave Airlie list_del(&mode->head); 428f453ba04SDave Airlie kfree(mode); 429f453ba04SDave Airlie } 430f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_remove); 431f453ba04SDave Airlie 432f453ba04SDave Airlie /** 433f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 434f453ba04SDave Airlie * @dev: DRM device 435f453ba04SDave Airlie * @connector: the connector to init 436f453ba04SDave Airlie * @funcs: callbacks for this connector 437f453ba04SDave Airlie * @name: user visible name of the connector 438f453ba04SDave Airlie * 439f453ba04SDave Airlie * LOCKING: 440f453ba04SDave Airlie * Caller must hold @dev's mode_config lock. 441f453ba04SDave Airlie * 442f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 443f453ba04SDave Airlie * subclassed as part of driver connector objects. 444f453ba04SDave Airlie */ 445f453ba04SDave Airlie void drm_connector_init(struct drm_device *dev, 446f453ba04SDave Airlie struct drm_connector *connector, 447f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 448f453ba04SDave Airlie int connector_type) 449f453ba04SDave Airlie { 450f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 451f453ba04SDave Airlie 452f453ba04SDave Airlie connector->dev = dev; 453f453ba04SDave Airlie connector->funcs = funcs; 454f453ba04SDave Airlie drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); 455f453ba04SDave Airlie connector->connector_type = connector_type; 456f453ba04SDave Airlie connector->connector_type_id = 457f453ba04SDave Airlie ++drm_connector_enum_list[connector_type].count; /* TODO */ 458f453ba04SDave Airlie INIT_LIST_HEAD(&connector->user_modes); 459f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 460f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 461f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 462f453ba04SDave Airlie 463f453ba04SDave Airlie list_add_tail(&connector->head, &dev->mode_config.connector_list); 464f453ba04SDave Airlie dev->mode_config.num_connector++; 465f453ba04SDave Airlie 466f453ba04SDave Airlie drm_connector_attach_property(connector, 467f453ba04SDave Airlie dev->mode_config.edid_property, 0); 468f453ba04SDave Airlie 469f453ba04SDave Airlie drm_connector_attach_property(connector, 470f453ba04SDave Airlie dev->mode_config.dpms_property, 0); 471f453ba04SDave Airlie 472f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 473f453ba04SDave Airlie } 474f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 475f453ba04SDave Airlie 476f453ba04SDave Airlie /** 477f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 478f453ba04SDave Airlie * @connector: connector to cleanup 479f453ba04SDave Airlie * 480f453ba04SDave Airlie * LOCKING: 481f453ba04SDave Airlie * Caller must hold @dev's mode_config lock. 482f453ba04SDave Airlie * 483f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 484f453ba04SDave Airlie */ 485f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 486f453ba04SDave Airlie { 487f453ba04SDave Airlie struct drm_device *dev = connector->dev; 488f453ba04SDave Airlie struct drm_display_mode *mode, *t; 489f453ba04SDave Airlie 490f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 491f453ba04SDave Airlie drm_mode_remove(connector, mode); 492f453ba04SDave Airlie 493f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 494f453ba04SDave Airlie drm_mode_remove(connector, mode); 495f453ba04SDave Airlie 496f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->user_modes, head) 497f453ba04SDave Airlie drm_mode_remove(connector, mode); 498f453ba04SDave Airlie 499f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 500f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 501f453ba04SDave Airlie list_del(&connector->head); 502f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 503f453ba04SDave Airlie } 504f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 505f453ba04SDave Airlie 506f453ba04SDave Airlie void drm_encoder_init(struct drm_device *dev, 507f453ba04SDave Airlie struct drm_encoder *encoder, 508f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 509f453ba04SDave Airlie int encoder_type) 510f453ba04SDave Airlie { 511f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 512f453ba04SDave Airlie 513f453ba04SDave Airlie encoder->dev = dev; 514f453ba04SDave Airlie 515f453ba04SDave Airlie drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 516f453ba04SDave Airlie encoder->encoder_type = encoder_type; 517f453ba04SDave Airlie encoder->funcs = funcs; 518f453ba04SDave Airlie 519f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 520f453ba04SDave Airlie dev->mode_config.num_encoder++; 521f453ba04SDave Airlie 522f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 523f453ba04SDave Airlie } 524f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 525f453ba04SDave Airlie 526f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 527f453ba04SDave Airlie { 528f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 529f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 530f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 531f453ba04SDave Airlie list_del(&encoder->head); 532f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 533f453ba04SDave Airlie } 534f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 535f453ba04SDave Airlie 536f453ba04SDave Airlie /** 537f453ba04SDave Airlie * drm_mode_create - create a new display mode 538f453ba04SDave Airlie * @dev: DRM device 539f453ba04SDave Airlie * 540f453ba04SDave Airlie * LOCKING: 541f453ba04SDave Airlie * Caller must hold DRM mode_config lock. 542f453ba04SDave Airlie * 543f453ba04SDave Airlie * Create a new drm_display_mode, give it an ID, and return it. 544f453ba04SDave Airlie * 545f453ba04SDave Airlie * RETURNS: 546f453ba04SDave Airlie * Pointer to new mode on success, NULL on error. 547f453ba04SDave Airlie */ 548f453ba04SDave Airlie struct drm_display_mode *drm_mode_create(struct drm_device *dev) 549f453ba04SDave Airlie { 550f453ba04SDave Airlie struct drm_display_mode *nmode; 551f453ba04SDave Airlie 552f453ba04SDave Airlie nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); 553f453ba04SDave Airlie if (!nmode) 554f453ba04SDave Airlie return NULL; 555f453ba04SDave Airlie 556f453ba04SDave Airlie drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE); 557f453ba04SDave Airlie return nmode; 558f453ba04SDave Airlie } 559f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create); 560f453ba04SDave Airlie 561f453ba04SDave Airlie /** 562f453ba04SDave Airlie * drm_mode_destroy - remove a mode 563f453ba04SDave Airlie * @dev: DRM device 564f453ba04SDave Airlie * @mode: mode to remove 565f453ba04SDave Airlie * 566f453ba04SDave Airlie * LOCKING: 567f453ba04SDave Airlie * Caller must hold mode config lock. 568f453ba04SDave Airlie * 569f453ba04SDave Airlie * Free @mode's unique identifier, then free it. 570f453ba04SDave Airlie */ 571f453ba04SDave Airlie void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) 572f453ba04SDave Airlie { 573f453ba04SDave Airlie drm_mode_object_put(dev, &mode->base); 574f453ba04SDave Airlie 575f453ba04SDave Airlie kfree(mode); 576f453ba04SDave Airlie } 577f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_destroy); 578f453ba04SDave Airlie 579f453ba04SDave Airlie static int drm_mode_create_standard_connector_properties(struct drm_device *dev) 580f453ba04SDave Airlie { 581f453ba04SDave Airlie struct drm_property *edid; 582f453ba04SDave Airlie struct drm_property *dpms; 583f453ba04SDave Airlie int i; 584f453ba04SDave Airlie 585f453ba04SDave Airlie /* 586f453ba04SDave Airlie * Standard properties (apply to all connectors) 587f453ba04SDave Airlie */ 588f453ba04SDave Airlie edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | 589f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 590f453ba04SDave Airlie "EDID", 0); 591f453ba04SDave Airlie dev->mode_config.edid_property = edid; 592f453ba04SDave Airlie 593f453ba04SDave Airlie dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM, 594f453ba04SDave Airlie "DPMS", ARRAY_SIZE(drm_dpms_enum_list)); 595f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++) 596f453ba04SDave Airlie drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type, 597f453ba04SDave Airlie drm_dpms_enum_list[i].name); 598f453ba04SDave Airlie dev->mode_config.dpms_property = dpms; 599f453ba04SDave Airlie 600f453ba04SDave Airlie return 0; 601f453ba04SDave Airlie } 602f453ba04SDave Airlie 603f453ba04SDave Airlie /** 604f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 605f453ba04SDave Airlie * @dev: DRM device 606f453ba04SDave Airlie * 607f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 608f453ba04SDave Airlie */ 609f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 610f453ba04SDave Airlie { 611f453ba04SDave Airlie struct drm_property *dvi_i_selector; 612f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 613f453ba04SDave Airlie int i; 614f453ba04SDave Airlie 615f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 616f453ba04SDave Airlie return 0; 617f453ba04SDave Airlie 618f453ba04SDave Airlie dvi_i_selector = 619f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 620f453ba04SDave Airlie "select subconnector", 621f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 622f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++) 623f453ba04SDave Airlie drm_property_add_enum(dvi_i_selector, i, 624f453ba04SDave Airlie drm_dvi_i_select_enum_list[i].type, 625f453ba04SDave Airlie drm_dvi_i_select_enum_list[i].name); 626f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 627f453ba04SDave Airlie 628f453ba04SDave Airlie dvi_i_subconnector = 629f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM | 630f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 631f453ba04SDave Airlie "subconnector", 632f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 633f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++) 634f453ba04SDave Airlie drm_property_add_enum(dvi_i_subconnector, i, 635f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list[i].type, 636f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list[i].name); 637f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 638f453ba04SDave Airlie 639f453ba04SDave Airlie return 0; 640f453ba04SDave Airlie } 641f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 642f453ba04SDave Airlie 643f453ba04SDave Airlie /** 644f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 645f453ba04SDave Airlie * @dev: DRM device 646f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 647f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 648f453ba04SDave Airlie * 649f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 650f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 651f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 652f453ba04SDave Airlie * this routine. 653f453ba04SDave Airlie */ 654f453ba04SDave Airlie int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, 655f453ba04SDave Airlie char *modes[]) 656f453ba04SDave Airlie { 657f453ba04SDave Airlie struct drm_property *tv_selector; 658f453ba04SDave Airlie struct drm_property *tv_subconnector; 659f453ba04SDave Airlie int i; 660f453ba04SDave Airlie 661f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 662f453ba04SDave Airlie return 0; 663f453ba04SDave Airlie 664f453ba04SDave Airlie /* 665f453ba04SDave Airlie * Basic connector properties 666f453ba04SDave Airlie */ 667f453ba04SDave Airlie tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM, 668f453ba04SDave Airlie "select subconnector", 669f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 670f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++) 671f453ba04SDave Airlie drm_property_add_enum(tv_selector, i, 672f453ba04SDave Airlie drm_tv_select_enum_list[i].type, 673f453ba04SDave Airlie drm_tv_select_enum_list[i].name); 674f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 675f453ba04SDave Airlie 676f453ba04SDave Airlie tv_subconnector = 677f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM | 678f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, "subconnector", 679f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 680f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++) 681f453ba04SDave Airlie drm_property_add_enum(tv_subconnector, i, 682f453ba04SDave Airlie drm_tv_subconnector_enum_list[i].type, 683f453ba04SDave Airlie drm_tv_subconnector_enum_list[i].name); 684f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 685f453ba04SDave Airlie 686f453ba04SDave Airlie /* 687f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 688f453ba04SDave Airlie */ 689f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 690f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_RANGE, 691f453ba04SDave Airlie "left margin", 2); 692f453ba04SDave Airlie dev->mode_config.tv_left_margin_property->values[0] = 0; 693f453ba04SDave Airlie dev->mode_config.tv_left_margin_property->values[1] = 100; 694f453ba04SDave Airlie 695f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 696f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_RANGE, 697f453ba04SDave Airlie "right margin", 2); 698f453ba04SDave Airlie dev->mode_config.tv_right_margin_property->values[0] = 0; 699f453ba04SDave Airlie dev->mode_config.tv_right_margin_property->values[1] = 100; 700f453ba04SDave Airlie 701f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 702f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_RANGE, 703f453ba04SDave Airlie "top margin", 2); 704f453ba04SDave Airlie dev->mode_config.tv_top_margin_property->values[0] = 0; 705f453ba04SDave Airlie dev->mode_config.tv_top_margin_property->values[1] = 100; 706f453ba04SDave Airlie 707f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 708f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_RANGE, 709f453ba04SDave Airlie "bottom margin", 2); 710f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property->values[0] = 0; 711f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property->values[1] = 100; 712f453ba04SDave Airlie 713f453ba04SDave Airlie dev->mode_config.tv_mode_property = 714f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 715f453ba04SDave Airlie "mode", num_modes); 716f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 717f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 718f453ba04SDave Airlie i, modes[i]); 719f453ba04SDave Airlie 720b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 721b6b7902eSFrancisco Jerez drm_property_create(dev, DRM_MODE_PROP_RANGE, 722b6b7902eSFrancisco Jerez "brightness", 2); 723b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property->values[0] = 0; 724b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property->values[1] = 100; 725b6b7902eSFrancisco Jerez 726b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 727b6b7902eSFrancisco Jerez drm_property_create(dev, DRM_MODE_PROP_RANGE, 728b6b7902eSFrancisco Jerez "contrast", 2); 729b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property->values[0] = 0; 730b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property->values[1] = 100; 731b6b7902eSFrancisco Jerez 732b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 733b6b7902eSFrancisco Jerez drm_property_create(dev, DRM_MODE_PROP_RANGE, 734b6b7902eSFrancisco Jerez "flicker reduction", 2); 735b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property->values[0] = 0; 736b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property->values[1] = 100; 737b6b7902eSFrancisco Jerez 738a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 739a75f0236SFrancisco Jerez drm_property_create(dev, DRM_MODE_PROP_RANGE, 740a75f0236SFrancisco Jerez "overscan", 2); 741a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property->values[0] = 0; 742a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property->values[1] = 100; 743a75f0236SFrancisco Jerez 744a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 745a75f0236SFrancisco Jerez drm_property_create(dev, DRM_MODE_PROP_RANGE, 746a75f0236SFrancisco Jerez "saturation", 2); 747a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property->values[0] = 0; 748a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property->values[1] = 100; 749a75f0236SFrancisco Jerez 750a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 751a75f0236SFrancisco Jerez drm_property_create(dev, DRM_MODE_PROP_RANGE, 752a75f0236SFrancisco Jerez "hue", 2); 753a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property->values[0] = 0; 754a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property->values[1] = 100; 755a75f0236SFrancisco Jerez 756f453ba04SDave Airlie return 0; 757f453ba04SDave Airlie } 758f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 759f453ba04SDave Airlie 760f453ba04SDave Airlie /** 761f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 762f453ba04SDave Airlie * @dev: DRM device 763f453ba04SDave Airlie * 764f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 765f453ba04SDave Airlie * connectors. 766f453ba04SDave Airlie */ 767f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 768f453ba04SDave Airlie { 769f453ba04SDave Airlie struct drm_property *scaling_mode; 770f453ba04SDave Airlie int i; 771f453ba04SDave Airlie 772f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 773f453ba04SDave Airlie return 0; 774f453ba04SDave Airlie 775f453ba04SDave Airlie scaling_mode = 776f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode", 777f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 778f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++) 779f453ba04SDave Airlie drm_property_add_enum(scaling_mode, i, 780f453ba04SDave Airlie drm_scaling_mode_enum_list[i].type, 781f453ba04SDave Airlie drm_scaling_mode_enum_list[i].name); 782f453ba04SDave Airlie 783f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 784f453ba04SDave Airlie 785f453ba04SDave Airlie return 0; 786f453ba04SDave Airlie } 787f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 788f453ba04SDave Airlie 789f453ba04SDave Airlie /** 790f453ba04SDave Airlie * drm_mode_create_dithering_property - create dithering property 791f453ba04SDave Airlie * @dev: DRM device 792f453ba04SDave Airlie * 793f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 794f453ba04SDave Airlie * connectors. 795f453ba04SDave Airlie */ 796f453ba04SDave Airlie int drm_mode_create_dithering_property(struct drm_device *dev) 797f453ba04SDave Airlie { 798f453ba04SDave Airlie struct drm_property *dithering_mode; 799f453ba04SDave Airlie int i; 800f453ba04SDave Airlie 801f453ba04SDave Airlie if (dev->mode_config.dithering_mode_property) 802f453ba04SDave Airlie return 0; 803f453ba04SDave Airlie 804f453ba04SDave Airlie dithering_mode = 805f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering", 806f453ba04SDave Airlie ARRAY_SIZE(drm_dithering_mode_enum_list)); 807f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++) 808f453ba04SDave Airlie drm_property_add_enum(dithering_mode, i, 809f453ba04SDave Airlie drm_dithering_mode_enum_list[i].type, 810f453ba04SDave Airlie drm_dithering_mode_enum_list[i].name); 811f453ba04SDave Airlie dev->mode_config.dithering_mode_property = dithering_mode; 812f453ba04SDave Airlie 813f453ba04SDave Airlie return 0; 814f453ba04SDave Airlie } 815f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dithering_property); 816f453ba04SDave Airlie 817f453ba04SDave Airlie /** 818884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 819884840aaSJakob Bornecrantz * @dev: DRM device 820884840aaSJakob Bornecrantz * 821884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 822884840aaSJakob Bornecrantz * connectors. 823884840aaSJakob Bornecrantz */ 824884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 825884840aaSJakob Bornecrantz { 826884840aaSJakob Bornecrantz struct drm_property *dirty_info; 827884840aaSJakob Bornecrantz int i; 828884840aaSJakob Bornecrantz 829884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 830884840aaSJakob Bornecrantz return 0; 831884840aaSJakob Bornecrantz 832884840aaSJakob Bornecrantz dirty_info = 833884840aaSJakob Bornecrantz drm_property_create(dev, DRM_MODE_PROP_ENUM | 834884840aaSJakob Bornecrantz DRM_MODE_PROP_IMMUTABLE, 835884840aaSJakob Bornecrantz "dirty", 836884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 837884840aaSJakob Bornecrantz for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++) 838884840aaSJakob Bornecrantz drm_property_add_enum(dirty_info, i, 839884840aaSJakob Bornecrantz drm_dirty_info_enum_list[i].type, 840884840aaSJakob Bornecrantz drm_dirty_info_enum_list[i].name); 841884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 842884840aaSJakob Bornecrantz 843884840aaSJakob Bornecrantz return 0; 844884840aaSJakob Bornecrantz } 845884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 846884840aaSJakob Bornecrantz 847884840aaSJakob Bornecrantz /** 848f453ba04SDave Airlie * drm_mode_config_init - initialize DRM mode_configuration structure 849f453ba04SDave Airlie * @dev: DRM device 850f453ba04SDave Airlie * 851f453ba04SDave Airlie * LOCKING: 852f453ba04SDave Airlie * None, should happen single threaded at init time. 853f453ba04SDave Airlie * 854f453ba04SDave Airlie * Initialize @dev's mode_config structure, used for tracking the graphics 855f453ba04SDave Airlie * configuration of @dev. 856f453ba04SDave Airlie */ 857f453ba04SDave Airlie void drm_mode_config_init(struct drm_device *dev) 858f453ba04SDave Airlie { 859f453ba04SDave Airlie mutex_init(&dev->mode_config.mutex); 860ad2563c2SJesse Barnes mutex_init(&dev->mode_config.idr_mutex); 861f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.fb_list); 862f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.crtc_list); 863f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.connector_list); 864f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.encoder_list); 865f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.property_list); 866f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 867f453ba04SDave Airlie idr_init(&dev->mode_config.crtc_idr); 868f453ba04SDave Airlie 869f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 870f453ba04SDave Airlie drm_mode_create_standard_connector_properties(dev); 871f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 872f453ba04SDave Airlie 873f453ba04SDave Airlie /* Just to be sure */ 874f453ba04SDave Airlie dev->mode_config.num_fb = 0; 875f453ba04SDave Airlie dev->mode_config.num_connector = 0; 876f453ba04SDave Airlie dev->mode_config.num_crtc = 0; 877f453ba04SDave Airlie dev->mode_config.num_encoder = 0; 878f453ba04SDave Airlie } 879f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_config_init); 880f453ba04SDave Airlie 881f453ba04SDave Airlie int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 882f453ba04SDave Airlie { 883f453ba04SDave Airlie uint32_t total_objects = 0; 884f453ba04SDave Airlie 885f453ba04SDave Airlie total_objects += dev->mode_config.num_crtc; 886f453ba04SDave Airlie total_objects += dev->mode_config.num_connector; 887f453ba04SDave Airlie total_objects += dev->mode_config.num_encoder; 888f453ba04SDave Airlie 889f453ba04SDave Airlie if (total_objects == 0) 890f453ba04SDave Airlie return -EINVAL; 891f453ba04SDave Airlie 892f453ba04SDave Airlie group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); 893f453ba04SDave Airlie if (!group->id_list) 894f453ba04SDave Airlie return -ENOMEM; 895f453ba04SDave Airlie 896f453ba04SDave Airlie group->num_crtcs = 0; 897f453ba04SDave Airlie group->num_connectors = 0; 898f453ba04SDave Airlie group->num_encoders = 0; 899f453ba04SDave Airlie return 0; 900f453ba04SDave Airlie } 901f453ba04SDave Airlie 902f453ba04SDave Airlie int drm_mode_group_init_legacy_group(struct drm_device *dev, 903f453ba04SDave Airlie struct drm_mode_group *group) 904f453ba04SDave Airlie { 905f453ba04SDave Airlie struct drm_crtc *crtc; 906f453ba04SDave Airlie struct drm_encoder *encoder; 907f453ba04SDave Airlie struct drm_connector *connector; 908f453ba04SDave Airlie int ret; 909f453ba04SDave Airlie 910f453ba04SDave Airlie if ((ret = drm_mode_group_init(dev, group))) 911f453ba04SDave Airlie return ret; 912f453ba04SDave Airlie 913f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 914f453ba04SDave Airlie group->id_list[group->num_crtcs++] = crtc->base.id; 915f453ba04SDave Airlie 916f453ba04SDave Airlie list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 917f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders++] = 918f453ba04SDave Airlie encoder->base.id; 919f453ba04SDave Airlie 920f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 921f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders + 922f453ba04SDave Airlie group->num_connectors++] = connector->base.id; 923f453ba04SDave Airlie 924f453ba04SDave Airlie return 0; 925f453ba04SDave Airlie } 926f453ba04SDave Airlie 927f453ba04SDave Airlie /** 928f453ba04SDave Airlie * drm_mode_config_cleanup - free up DRM mode_config info 929f453ba04SDave Airlie * @dev: DRM device 930f453ba04SDave Airlie * 931f453ba04SDave Airlie * LOCKING: 932f453ba04SDave Airlie * Caller must hold mode config lock. 933f453ba04SDave Airlie * 934f453ba04SDave Airlie * Free up all the connectors and CRTCs associated with this DRM device, then 935f453ba04SDave Airlie * free up the framebuffers and associated buffer objects. 936f453ba04SDave Airlie * 937f453ba04SDave Airlie * FIXME: cleanup any dangling user buffer objects too 938f453ba04SDave Airlie */ 939f453ba04SDave Airlie void drm_mode_config_cleanup(struct drm_device *dev) 940f453ba04SDave Airlie { 941f453ba04SDave Airlie struct drm_connector *connector, *ot; 942f453ba04SDave Airlie struct drm_crtc *crtc, *ct; 943f453ba04SDave Airlie struct drm_encoder *encoder, *enct; 944f453ba04SDave Airlie struct drm_framebuffer *fb, *fbt; 945f453ba04SDave Airlie struct drm_property *property, *pt; 946f453ba04SDave Airlie 947f453ba04SDave Airlie list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 948f453ba04SDave Airlie head) { 949f453ba04SDave Airlie encoder->funcs->destroy(encoder); 950f453ba04SDave Airlie } 951f453ba04SDave Airlie 952f453ba04SDave Airlie list_for_each_entry_safe(connector, ot, 953f453ba04SDave Airlie &dev->mode_config.connector_list, head) { 954f453ba04SDave Airlie connector->funcs->destroy(connector); 955f453ba04SDave Airlie } 956f453ba04SDave Airlie 957f453ba04SDave Airlie list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 958f453ba04SDave Airlie head) { 959f453ba04SDave Airlie drm_property_destroy(dev, property); 960f453ba04SDave Airlie } 961f453ba04SDave Airlie 962f453ba04SDave Airlie list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 963f453ba04SDave Airlie fb->funcs->destroy(fb); 964f453ba04SDave Airlie } 965f453ba04SDave Airlie 966f453ba04SDave Airlie list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 967f453ba04SDave Airlie crtc->funcs->destroy(crtc); 968f453ba04SDave Airlie } 969f453ba04SDave Airlie 970f453ba04SDave Airlie } 971f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_config_cleanup); 972f453ba04SDave Airlie 973f453ba04SDave Airlie /** 974f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 975f453ba04SDave Airlie * @out: drm_mode_modeinfo struct to return to the user 976f453ba04SDave Airlie * @in: drm_display_mode to use 977f453ba04SDave Airlie * 978f453ba04SDave Airlie * LOCKING: 979f453ba04SDave Airlie * None. 980f453ba04SDave Airlie * 981f453ba04SDave Airlie * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 982f453ba04SDave Airlie * the user. 983f453ba04SDave Airlie */ 984f453ba04SDave Airlie void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 985f453ba04SDave Airlie struct drm_display_mode *in) 986f453ba04SDave Airlie { 987f453ba04SDave Airlie out->clock = in->clock; 988f453ba04SDave Airlie out->hdisplay = in->hdisplay; 989f453ba04SDave Airlie out->hsync_start = in->hsync_start; 990f453ba04SDave Airlie out->hsync_end = in->hsync_end; 991f453ba04SDave Airlie out->htotal = in->htotal; 992f453ba04SDave Airlie out->hskew = in->hskew; 993f453ba04SDave Airlie out->vdisplay = in->vdisplay; 994f453ba04SDave Airlie out->vsync_start = in->vsync_start; 995f453ba04SDave Airlie out->vsync_end = in->vsync_end; 996f453ba04SDave Airlie out->vtotal = in->vtotal; 997f453ba04SDave Airlie out->vscan = in->vscan; 998f453ba04SDave Airlie out->vrefresh = in->vrefresh; 999f453ba04SDave Airlie out->flags = in->flags; 1000f453ba04SDave Airlie out->type = in->type; 1001f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1002f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1003f453ba04SDave Airlie } 1004f453ba04SDave Airlie 1005f453ba04SDave Airlie /** 1006f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode 1007f453ba04SDave Airlie * @out: drm_display_mode to return to the user 1008f453ba04SDave Airlie * @in: drm_mode_modeinfo to use 1009f453ba04SDave Airlie * 1010f453ba04SDave Airlie * LOCKING: 1011f453ba04SDave Airlie * None. 1012f453ba04SDave Airlie * 1013f453ba04SDave Airlie * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 1014f453ba04SDave Airlie * the caller. 1015f453ba04SDave Airlie */ 1016f453ba04SDave Airlie void drm_crtc_convert_umode(struct drm_display_mode *out, 1017f453ba04SDave Airlie struct drm_mode_modeinfo *in) 1018f453ba04SDave Airlie { 1019f453ba04SDave Airlie out->clock = in->clock; 1020f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1021f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1022f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1023f453ba04SDave Airlie out->htotal = in->htotal; 1024f453ba04SDave Airlie out->hskew = in->hskew; 1025f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1026f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1027f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1028f453ba04SDave Airlie out->vtotal = in->vtotal; 1029f453ba04SDave Airlie out->vscan = in->vscan; 1030f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1031f453ba04SDave Airlie out->flags = in->flags; 1032f453ba04SDave Airlie out->type = in->type; 1033f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1034f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1035f453ba04SDave Airlie } 1036f453ba04SDave Airlie 1037f453ba04SDave Airlie /** 1038f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1039f453ba04SDave Airlie * @inode: inode from the ioctl 1040f453ba04SDave Airlie * @filp: file * from the ioctl 1041f453ba04SDave Airlie * @cmd: cmd from ioctl 1042f453ba04SDave Airlie * @arg: arg from ioctl 1043f453ba04SDave Airlie * 1044f453ba04SDave Airlie * LOCKING: 1045f453ba04SDave Airlie * Takes mode config lock. 1046f453ba04SDave Airlie * 1047f453ba04SDave Airlie * Construct a set of configuration description structures and return 1048f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1049f453ba04SDave Airlie * 1050f453ba04SDave Airlie * Called by the user via ioctl. 1051f453ba04SDave Airlie * 1052f453ba04SDave Airlie * RETURNS: 1053f453ba04SDave Airlie * Zero on success, errno on failure. 1054f453ba04SDave Airlie */ 1055f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1056f453ba04SDave Airlie struct drm_file *file_priv) 1057f453ba04SDave Airlie { 1058f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1059f453ba04SDave Airlie struct list_head *lh; 1060f453ba04SDave Airlie struct drm_framebuffer *fb; 1061f453ba04SDave Airlie struct drm_connector *connector; 1062f453ba04SDave Airlie struct drm_crtc *crtc; 1063f453ba04SDave Airlie struct drm_encoder *encoder; 1064f453ba04SDave Airlie int ret = 0; 1065f453ba04SDave Airlie int connector_count = 0; 1066f453ba04SDave Airlie int crtc_count = 0; 1067f453ba04SDave Airlie int fb_count = 0; 1068f453ba04SDave Airlie int encoder_count = 0; 1069f453ba04SDave Airlie int copied = 0, i; 1070f453ba04SDave Airlie uint32_t __user *fb_id; 1071f453ba04SDave Airlie uint32_t __user *crtc_id; 1072f453ba04SDave Airlie uint32_t __user *connector_id; 1073f453ba04SDave Airlie uint32_t __user *encoder_id; 1074f453ba04SDave Airlie struct drm_mode_group *mode_group; 1075f453ba04SDave Airlie 1076f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1077f453ba04SDave Airlie 1078f453ba04SDave Airlie /* 1079f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1080f453ba04SDave Airlie * by IDs in the group list for this node 1081f453ba04SDave Airlie */ 1082f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1083f453ba04SDave Airlie fb_count++; 1084f453ba04SDave Airlie 1085f453ba04SDave Airlie mode_group = &file_priv->master->minor->mode_group; 1086f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1087f453ba04SDave Airlie 1088f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.crtc_list) 1089f453ba04SDave Airlie crtc_count++; 1090f453ba04SDave Airlie 1091f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.connector_list) 1092f453ba04SDave Airlie connector_count++; 1093f453ba04SDave Airlie 1094f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.encoder_list) 1095f453ba04SDave Airlie encoder_count++; 1096f453ba04SDave Airlie } else { 1097f453ba04SDave Airlie 1098f453ba04SDave Airlie crtc_count = mode_group->num_crtcs; 1099f453ba04SDave Airlie connector_count = mode_group->num_connectors; 1100f453ba04SDave Airlie encoder_count = mode_group->num_encoders; 1101f453ba04SDave Airlie } 1102f453ba04SDave Airlie 1103f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1104f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1105f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1106f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1107f453ba04SDave Airlie 1108f453ba04SDave Airlie /* handle this in 4 parts */ 1109f453ba04SDave Airlie /* FBs */ 1110f453ba04SDave Airlie if (card_res->count_fbs >= fb_count) { 1111f453ba04SDave Airlie copied = 0; 1112f453ba04SDave Airlie fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 1113f453ba04SDave Airlie list_for_each_entry(fb, &file_priv->fbs, head) { 1114f453ba04SDave Airlie if (put_user(fb->base.id, fb_id + copied)) { 1115f453ba04SDave Airlie ret = -EFAULT; 1116f453ba04SDave Airlie goto out; 1117f453ba04SDave Airlie } 1118f453ba04SDave Airlie copied++; 1119f453ba04SDave Airlie } 1120f453ba04SDave Airlie } 1121f453ba04SDave Airlie card_res->count_fbs = fb_count; 1122f453ba04SDave Airlie 1123f453ba04SDave Airlie /* CRTCs */ 1124f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1125f453ba04SDave Airlie copied = 0; 1126f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 1127f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1128f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1129f453ba04SDave Airlie head) { 11309440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1131f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1132f453ba04SDave Airlie ret = -EFAULT; 1133f453ba04SDave Airlie goto out; 1134f453ba04SDave Airlie } 1135f453ba04SDave Airlie copied++; 1136f453ba04SDave Airlie } 1137f453ba04SDave Airlie } else { 1138f453ba04SDave Airlie for (i = 0; i < mode_group->num_crtcs; i++) { 1139f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1140f453ba04SDave Airlie crtc_id + copied)) { 1141f453ba04SDave Airlie ret = -EFAULT; 1142f453ba04SDave Airlie goto out; 1143f453ba04SDave Airlie } 1144f453ba04SDave Airlie copied++; 1145f453ba04SDave Airlie } 1146f453ba04SDave Airlie } 1147f453ba04SDave Airlie } 1148f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1149f453ba04SDave Airlie 1150f453ba04SDave Airlie /* Encoders */ 1151f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1152f453ba04SDave Airlie copied = 0; 1153f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 1154f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1155f453ba04SDave Airlie list_for_each_entry(encoder, 1156f453ba04SDave Airlie &dev->mode_config.encoder_list, 1157f453ba04SDave Airlie head) { 11589440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 11599440106bSJerome Glisse drm_get_encoder_name(encoder)); 1160f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1161f453ba04SDave Airlie copied)) { 1162f453ba04SDave Airlie ret = -EFAULT; 1163f453ba04SDave Airlie goto out; 1164f453ba04SDave Airlie } 1165f453ba04SDave Airlie copied++; 1166f453ba04SDave Airlie } 1167f453ba04SDave Airlie } else { 1168f453ba04SDave Airlie for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { 1169f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1170f453ba04SDave Airlie encoder_id + copied)) { 1171f453ba04SDave Airlie ret = -EFAULT; 1172f453ba04SDave Airlie goto out; 1173f453ba04SDave Airlie } 1174f453ba04SDave Airlie copied++; 1175f453ba04SDave Airlie } 1176f453ba04SDave Airlie 1177f453ba04SDave Airlie } 1178f453ba04SDave Airlie } 1179f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1180f453ba04SDave Airlie 1181f453ba04SDave Airlie /* Connectors */ 1182f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1183f453ba04SDave Airlie copied = 0; 1184f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 1185f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1186f453ba04SDave Airlie list_for_each_entry(connector, 1187f453ba04SDave Airlie &dev->mode_config.connector_list, 1188f453ba04SDave Airlie head) { 11899440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 11909440106bSJerome Glisse connector->base.id, 11919440106bSJerome Glisse drm_get_connector_name(connector)); 1192f453ba04SDave Airlie if (put_user(connector->base.id, 1193f453ba04SDave Airlie connector_id + copied)) { 1194f453ba04SDave Airlie ret = -EFAULT; 1195f453ba04SDave Airlie goto out; 1196f453ba04SDave Airlie } 1197f453ba04SDave Airlie copied++; 1198f453ba04SDave Airlie } 1199f453ba04SDave Airlie } else { 1200f453ba04SDave Airlie int start = mode_group->num_crtcs + 1201f453ba04SDave Airlie mode_group->num_encoders; 1202f453ba04SDave Airlie for (i = start; i < start + mode_group->num_connectors; i++) { 1203f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1204f453ba04SDave Airlie connector_id + copied)) { 1205f453ba04SDave Airlie ret = -EFAULT; 1206f453ba04SDave Airlie goto out; 1207f453ba04SDave Airlie } 1208f453ba04SDave Airlie copied++; 1209f453ba04SDave Airlie } 1210f453ba04SDave Airlie } 1211f453ba04SDave Airlie } 1212f453ba04SDave Airlie card_res->count_connectors = connector_count; 1213f453ba04SDave Airlie 12149440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1215f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1216f453ba04SDave Airlie 1217f453ba04SDave Airlie out: 1218f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1219f453ba04SDave Airlie return ret; 1220f453ba04SDave Airlie } 1221f453ba04SDave Airlie 1222f453ba04SDave Airlie /** 1223f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1224f453ba04SDave Airlie * @inode: inode from the ioctl 1225f453ba04SDave Airlie * @filp: file * from the ioctl 1226f453ba04SDave Airlie * @cmd: cmd from ioctl 1227f453ba04SDave Airlie * @arg: arg from ioctl 1228f453ba04SDave Airlie * 1229f453ba04SDave Airlie * LOCKING: 1230f453ba04SDave Airlie * Caller? (FIXME) 1231f453ba04SDave Airlie * 1232f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1233f453ba04SDave Airlie * 1234f453ba04SDave Airlie * Called by the user via ioctl. 1235f453ba04SDave Airlie * 1236f453ba04SDave Airlie * RETURNS: 1237f453ba04SDave Airlie * Zero on success, errno on failure. 1238f453ba04SDave Airlie */ 1239f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 1240f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1241f453ba04SDave Airlie { 1242f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 1243f453ba04SDave Airlie struct drm_crtc *crtc; 1244f453ba04SDave Airlie struct drm_mode_object *obj; 1245f453ba04SDave Airlie int ret = 0; 1246f453ba04SDave Airlie 1247f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1248f453ba04SDave Airlie 1249f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_resp->crtc_id, 1250f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1251f453ba04SDave Airlie if (!obj) { 1252f453ba04SDave Airlie ret = -EINVAL; 1253f453ba04SDave Airlie goto out; 1254f453ba04SDave Airlie } 1255f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1256f453ba04SDave Airlie 1257f453ba04SDave Airlie crtc_resp->x = crtc->x; 1258f453ba04SDave Airlie crtc_resp->y = crtc->y; 1259f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 1260f453ba04SDave Airlie if (crtc->fb) 1261f453ba04SDave Airlie crtc_resp->fb_id = crtc->fb->base.id; 1262f453ba04SDave Airlie else 1263f453ba04SDave Airlie crtc_resp->fb_id = 0; 1264f453ba04SDave Airlie 1265f453ba04SDave Airlie if (crtc->enabled) { 1266f453ba04SDave Airlie 1267f453ba04SDave Airlie drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 1268f453ba04SDave Airlie crtc_resp->mode_valid = 1; 1269f453ba04SDave Airlie 1270f453ba04SDave Airlie } else { 1271f453ba04SDave Airlie crtc_resp->mode_valid = 0; 1272f453ba04SDave Airlie } 1273f453ba04SDave Airlie 1274f453ba04SDave Airlie out: 1275f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1276f453ba04SDave Airlie return ret; 1277f453ba04SDave Airlie } 1278f453ba04SDave Airlie 1279f453ba04SDave Airlie /** 1280f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 1281f453ba04SDave Airlie * @inode: inode from the ioctl 1282f453ba04SDave Airlie * @filp: file * from the ioctl 1283f453ba04SDave Airlie * @cmd: cmd from ioctl 1284f453ba04SDave Airlie * @arg: arg from ioctl 1285f453ba04SDave Airlie * 1286f453ba04SDave Airlie * LOCKING: 1287f453ba04SDave Airlie * Caller? (FIXME) 1288f453ba04SDave Airlie * 1289f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 1290f453ba04SDave Airlie * 1291f453ba04SDave Airlie * Called by the user via ioctl. 1292f453ba04SDave Airlie * 1293f453ba04SDave Airlie * RETURNS: 1294f453ba04SDave Airlie * Zero on success, errno on failure. 1295f453ba04SDave Airlie */ 1296f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 1297f453ba04SDave Airlie struct drm_file *file_priv) 1298f453ba04SDave Airlie { 1299f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 1300f453ba04SDave Airlie struct drm_mode_object *obj; 1301f453ba04SDave Airlie struct drm_connector *connector; 1302f453ba04SDave Airlie struct drm_display_mode *mode; 1303f453ba04SDave Airlie int mode_count = 0; 1304f453ba04SDave Airlie int props_count = 0; 1305f453ba04SDave Airlie int encoders_count = 0; 1306f453ba04SDave Airlie int ret = 0; 1307f453ba04SDave Airlie int copied = 0; 1308f453ba04SDave Airlie int i; 1309f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 1310f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 1311f453ba04SDave Airlie uint32_t __user *prop_ptr; 1312f453ba04SDave Airlie uint64_t __user *prop_values; 1313f453ba04SDave Airlie uint32_t __user *encoder_ptr; 1314f453ba04SDave Airlie 1315f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 1316f453ba04SDave Airlie 13179440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 1318f453ba04SDave Airlie 1319f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1320f453ba04SDave Airlie 1321f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->connector_id, 1322f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1323f453ba04SDave Airlie if (!obj) { 1324f453ba04SDave Airlie ret = -EINVAL; 1325f453ba04SDave Airlie goto out; 1326f453ba04SDave Airlie } 1327f453ba04SDave Airlie connector = obj_to_connector(obj); 1328f453ba04SDave Airlie 1329f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 1330f453ba04SDave Airlie if (connector->property_ids[i] != 0) { 1331f453ba04SDave Airlie props_count++; 1332f453ba04SDave Airlie } 1333f453ba04SDave Airlie } 1334f453ba04SDave Airlie 1335f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1336f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1337f453ba04SDave Airlie encoders_count++; 1338f453ba04SDave Airlie } 1339f453ba04SDave Airlie } 1340f453ba04SDave Airlie 1341f453ba04SDave Airlie if (out_resp->count_modes == 0) { 1342f453ba04SDave Airlie connector->funcs->fill_modes(connector, 1343f453ba04SDave Airlie dev->mode_config.max_width, 1344f453ba04SDave Airlie dev->mode_config.max_height); 1345f453ba04SDave Airlie } 1346f453ba04SDave Airlie 1347f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 1348f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 1349f453ba04SDave Airlie mode_count++; 1350f453ba04SDave Airlie 1351f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 1352f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 1353f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 1354f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 1355f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 1356f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 1357f453ba04SDave Airlie out_resp->connection = connector->status; 1358f453ba04SDave Airlie if (connector->encoder) 1359f453ba04SDave Airlie out_resp->encoder_id = connector->encoder->base.id; 1360f453ba04SDave Airlie else 1361f453ba04SDave Airlie out_resp->encoder_id = 0; 1362f453ba04SDave Airlie 1363f453ba04SDave Airlie /* 1364f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 1365f453ba04SDave Airlie * needed, and the 2nd time to fill it. 1366f453ba04SDave Airlie */ 1367f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 1368f453ba04SDave Airlie copied = 0; 1369f453ba04SDave Airlie mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr; 1370f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 1371f453ba04SDave Airlie drm_crtc_convert_to_umode(&u_mode, mode); 1372f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 1373f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 1374f453ba04SDave Airlie ret = -EFAULT; 1375f453ba04SDave Airlie goto out; 1376f453ba04SDave Airlie } 1377f453ba04SDave Airlie copied++; 1378f453ba04SDave Airlie } 1379f453ba04SDave Airlie } 1380f453ba04SDave Airlie out_resp->count_modes = mode_count; 1381f453ba04SDave Airlie 1382f453ba04SDave Airlie if ((out_resp->count_props >= props_count) && props_count) { 1383f453ba04SDave Airlie copied = 0; 1384f453ba04SDave Airlie prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr); 1385f453ba04SDave Airlie prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr); 1386f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 1387f453ba04SDave Airlie if (connector->property_ids[i] != 0) { 1388f453ba04SDave Airlie if (put_user(connector->property_ids[i], 1389f453ba04SDave Airlie prop_ptr + copied)) { 1390f453ba04SDave Airlie ret = -EFAULT; 1391f453ba04SDave Airlie goto out; 1392f453ba04SDave Airlie } 1393f453ba04SDave Airlie 1394f453ba04SDave Airlie if (put_user(connector->property_values[i], 1395f453ba04SDave Airlie prop_values + copied)) { 1396f453ba04SDave Airlie ret = -EFAULT; 1397f453ba04SDave Airlie goto out; 1398f453ba04SDave Airlie } 1399f453ba04SDave Airlie copied++; 1400f453ba04SDave Airlie } 1401f453ba04SDave Airlie } 1402f453ba04SDave Airlie } 1403f453ba04SDave Airlie out_resp->count_props = props_count; 1404f453ba04SDave Airlie 1405f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 1406f453ba04SDave Airlie copied = 0; 1407f453ba04SDave Airlie encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr); 1408f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1409f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1410f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 1411f453ba04SDave Airlie encoder_ptr + copied)) { 1412f453ba04SDave Airlie ret = -EFAULT; 1413f453ba04SDave Airlie goto out; 1414f453ba04SDave Airlie } 1415f453ba04SDave Airlie copied++; 1416f453ba04SDave Airlie } 1417f453ba04SDave Airlie } 1418f453ba04SDave Airlie } 1419f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 1420f453ba04SDave Airlie 1421f453ba04SDave Airlie out: 1422f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1423f453ba04SDave Airlie return ret; 1424f453ba04SDave Airlie } 1425f453ba04SDave Airlie 1426f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 1427f453ba04SDave Airlie struct drm_file *file_priv) 1428f453ba04SDave Airlie { 1429f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 1430f453ba04SDave Airlie struct drm_mode_object *obj; 1431f453ba04SDave Airlie struct drm_encoder *encoder; 1432f453ba04SDave Airlie int ret = 0; 1433f453ba04SDave Airlie 1434f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1435f453ba04SDave Airlie obj = drm_mode_object_find(dev, enc_resp->encoder_id, 1436f453ba04SDave Airlie DRM_MODE_OBJECT_ENCODER); 1437f453ba04SDave Airlie if (!obj) { 1438f453ba04SDave Airlie ret = -EINVAL; 1439f453ba04SDave Airlie goto out; 1440f453ba04SDave Airlie } 1441f453ba04SDave Airlie encoder = obj_to_encoder(obj); 1442f453ba04SDave Airlie 1443f453ba04SDave Airlie if (encoder->crtc) 1444f453ba04SDave Airlie enc_resp->crtc_id = encoder->crtc->base.id; 1445f453ba04SDave Airlie else 1446f453ba04SDave Airlie enc_resp->crtc_id = 0; 1447f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 1448f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 1449f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 1450f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 1451f453ba04SDave Airlie 1452f453ba04SDave Airlie out: 1453f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1454f453ba04SDave Airlie return ret; 1455f453ba04SDave Airlie } 1456f453ba04SDave Airlie 1457f453ba04SDave Airlie /** 1458f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 1459f453ba04SDave Airlie * @inode: inode from the ioctl 1460f453ba04SDave Airlie * @filp: file * from the ioctl 1461f453ba04SDave Airlie * @cmd: cmd from ioctl 1462f453ba04SDave Airlie * @arg: arg from ioctl 1463f453ba04SDave Airlie * 1464f453ba04SDave Airlie * LOCKING: 1465f453ba04SDave Airlie * Caller? (FIXME) 1466f453ba04SDave Airlie * 1467f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 1468f453ba04SDave Airlie * 1469f453ba04SDave Airlie * Called by the user via ioctl. 1470f453ba04SDave Airlie * 1471f453ba04SDave Airlie * RETURNS: 1472f453ba04SDave Airlie * Zero on success, errno on failure. 1473f453ba04SDave Airlie */ 1474f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 1475f453ba04SDave Airlie struct drm_file *file_priv) 1476f453ba04SDave Airlie { 1477f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 1478f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 1479f453ba04SDave Airlie struct drm_mode_object *obj; 1480f453ba04SDave Airlie struct drm_crtc *crtc, *crtcfb; 1481f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 1482f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 1483f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 1484f453ba04SDave Airlie struct drm_mode_set set; 1485f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 1486f453ba04SDave Airlie int ret = 0; 1487f453ba04SDave Airlie int i; 1488f453ba04SDave Airlie 1489f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1490f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->crtc_id, 1491f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1492f453ba04SDave Airlie if (!obj) { 149358367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 1494f453ba04SDave Airlie ret = -EINVAL; 1495f453ba04SDave Airlie goto out; 1496f453ba04SDave Airlie } 1497f453ba04SDave Airlie crtc = obj_to_crtc(obj); 14989440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1499f453ba04SDave Airlie 1500f453ba04SDave Airlie if (crtc_req->mode_valid) { 1501f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 1502f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 1503f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 1504f453ba04SDave Airlie list_for_each_entry(crtcfb, 1505f453ba04SDave Airlie &dev->mode_config.crtc_list, head) { 1506f453ba04SDave Airlie if (crtcfb == crtc) { 150758367ed6SZhao Yakui DRM_DEBUG_KMS("Using current fb for " 150858367ed6SZhao Yakui "setmode\n"); 1509f453ba04SDave Airlie fb = crtc->fb; 1510f453ba04SDave Airlie } 1511f453ba04SDave Airlie } 1512f453ba04SDave Airlie } else { 1513f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->fb_id, 1514f453ba04SDave Airlie DRM_MODE_OBJECT_FB); 1515f453ba04SDave Airlie if (!obj) { 151658367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 151758367ed6SZhao Yakui crtc_req->fb_id); 1518f453ba04SDave Airlie ret = -EINVAL; 1519f453ba04SDave Airlie goto out; 1520f453ba04SDave Airlie } 1521f453ba04SDave Airlie fb = obj_to_fb(obj); 1522f453ba04SDave Airlie } 1523f453ba04SDave Airlie 1524f453ba04SDave Airlie mode = drm_mode_create(dev); 1525f453ba04SDave Airlie drm_crtc_convert_umode(mode, &crtc_req->mode); 1526f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 1527f453ba04SDave Airlie } 1528f453ba04SDave Airlie 1529f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 153058367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 1531f453ba04SDave Airlie ret = -EINVAL; 1532f453ba04SDave Airlie goto out; 1533f453ba04SDave Airlie } 1534f453ba04SDave Airlie 15357781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 153658367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 1537f453ba04SDave Airlie crtc_req->count_connectors); 1538f453ba04SDave Airlie ret = -EINVAL; 1539f453ba04SDave Airlie goto out; 1540f453ba04SDave Airlie } 1541f453ba04SDave Airlie 1542f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 1543f453ba04SDave Airlie u32 out_id; 1544f453ba04SDave Airlie 1545f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 1546f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 1547f453ba04SDave Airlie ret = -EINVAL; 1548f453ba04SDave Airlie goto out; 1549f453ba04SDave Airlie } 1550f453ba04SDave Airlie 1551f453ba04SDave Airlie connector_set = kmalloc(crtc_req->count_connectors * 1552f453ba04SDave Airlie sizeof(struct drm_connector *), 1553f453ba04SDave Airlie GFP_KERNEL); 1554f453ba04SDave Airlie if (!connector_set) { 1555f453ba04SDave Airlie ret = -ENOMEM; 1556f453ba04SDave Airlie goto out; 1557f453ba04SDave Airlie } 1558f453ba04SDave Airlie 1559f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 1560f453ba04SDave Airlie set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr; 1561f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 1562f453ba04SDave Airlie ret = -EFAULT; 1563f453ba04SDave Airlie goto out; 1564f453ba04SDave Airlie } 1565f453ba04SDave Airlie 1566f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_id, 1567f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1568f453ba04SDave Airlie if (!obj) { 156958367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 157058367ed6SZhao Yakui out_id); 1571f453ba04SDave Airlie ret = -EINVAL; 1572f453ba04SDave Airlie goto out; 1573f453ba04SDave Airlie } 1574f453ba04SDave Airlie connector = obj_to_connector(obj); 15759440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 15769440106bSJerome Glisse connector->base.id, 15779440106bSJerome Glisse drm_get_connector_name(connector)); 1578f453ba04SDave Airlie 1579f453ba04SDave Airlie connector_set[i] = connector; 1580f453ba04SDave Airlie } 1581f453ba04SDave Airlie } 1582f453ba04SDave Airlie 1583f453ba04SDave Airlie set.crtc = crtc; 1584f453ba04SDave Airlie set.x = crtc_req->x; 1585f453ba04SDave Airlie set.y = crtc_req->y; 1586f453ba04SDave Airlie set.mode = mode; 1587f453ba04SDave Airlie set.connectors = connector_set; 1588f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 1589f453ba04SDave Airlie set.fb = fb; 1590f453ba04SDave Airlie ret = crtc->funcs->set_config(&set); 1591f453ba04SDave Airlie 1592f453ba04SDave Airlie out: 1593f453ba04SDave Airlie kfree(connector_set); 1594f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1595f453ba04SDave Airlie return ret; 1596f453ba04SDave Airlie } 1597f453ba04SDave Airlie 1598f453ba04SDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 1599f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1600f453ba04SDave Airlie { 1601f453ba04SDave Airlie struct drm_mode_cursor *req = data; 1602f453ba04SDave Airlie struct drm_mode_object *obj; 1603f453ba04SDave Airlie struct drm_crtc *crtc; 1604f453ba04SDave Airlie int ret = 0; 1605f453ba04SDave Airlie 1606f453ba04SDave Airlie if (!req->flags) { 1607f453ba04SDave Airlie DRM_ERROR("no operation set\n"); 1608f453ba04SDave Airlie return -EINVAL; 1609f453ba04SDave Airlie } 1610f453ba04SDave Airlie 1611f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1612e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); 1613f453ba04SDave Airlie if (!obj) { 161458367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 1615f453ba04SDave Airlie ret = -EINVAL; 1616f453ba04SDave Airlie goto out; 1617f453ba04SDave Airlie } 1618f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1619f453ba04SDave Airlie 1620f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 1621f453ba04SDave Airlie if (!crtc->funcs->cursor_set) { 1622f453ba04SDave Airlie DRM_ERROR("crtc does not support cursor\n"); 1623f453ba04SDave Airlie ret = -ENXIO; 1624f453ba04SDave Airlie goto out; 1625f453ba04SDave Airlie } 1626f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 1627f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 1628f453ba04SDave Airlie req->width, req->height); 1629f453ba04SDave Airlie } 1630f453ba04SDave Airlie 1631f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 1632f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 1633f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 1634f453ba04SDave Airlie } else { 1635f453ba04SDave Airlie DRM_ERROR("crtc does not support cursor\n"); 1636f453ba04SDave Airlie ret = -EFAULT; 1637f453ba04SDave Airlie goto out; 1638f453ba04SDave Airlie } 1639f453ba04SDave Airlie } 1640f453ba04SDave Airlie out: 1641f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1642f453ba04SDave Airlie return ret; 1643f453ba04SDave Airlie } 1644f453ba04SDave Airlie 1645f453ba04SDave Airlie /** 1646f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 1647f453ba04SDave Airlie * @inode: inode from the ioctl 1648f453ba04SDave Airlie * @filp: file * from the ioctl 1649f453ba04SDave Airlie * @cmd: cmd from ioctl 1650f453ba04SDave Airlie * @arg: arg from ioctl 1651f453ba04SDave Airlie * 1652f453ba04SDave Airlie * LOCKING: 1653f453ba04SDave Airlie * Takes mode config lock. 1654f453ba04SDave Airlie * 1655f453ba04SDave Airlie * Add a new FB to the specified CRTC, given a user request. 1656f453ba04SDave Airlie * 1657f453ba04SDave Airlie * Called by the user via ioctl. 1658f453ba04SDave Airlie * 1659f453ba04SDave Airlie * RETURNS: 1660f453ba04SDave Airlie * Zero on success, errno on failure. 1661f453ba04SDave Airlie */ 1662f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 1663f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1664f453ba04SDave Airlie { 1665f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 1666f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 1667f453ba04SDave Airlie struct drm_framebuffer *fb; 1668f453ba04SDave Airlie int ret = 0; 1669f453ba04SDave Airlie 1670f453ba04SDave Airlie if ((config->min_width > r->width) || (r->width > config->max_width)) { 1671f453ba04SDave Airlie DRM_ERROR("mode new framebuffer width not within limits\n"); 1672f453ba04SDave Airlie return -EINVAL; 1673f453ba04SDave Airlie } 1674f453ba04SDave Airlie if ((config->min_height > r->height) || (r->height > config->max_height)) { 1675f453ba04SDave Airlie DRM_ERROR("mode new framebuffer height not within limits\n"); 1676f453ba04SDave Airlie return -EINVAL; 1677f453ba04SDave Airlie } 1678f453ba04SDave Airlie 1679f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1680f453ba04SDave Airlie 1681f453ba04SDave Airlie /* TODO check buffer is sufficently large */ 1682f453ba04SDave Airlie /* TODO setup destructor callback */ 1683f453ba04SDave Airlie 1684f453ba04SDave Airlie fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 1685f453ba04SDave Airlie if (!fb) { 1686f453ba04SDave Airlie DRM_ERROR("could not create framebuffer\n"); 1687f453ba04SDave Airlie ret = -EINVAL; 1688f453ba04SDave Airlie goto out; 1689f453ba04SDave Airlie } 1690f453ba04SDave Airlie 1691e0c8463aSJakob Bornecrantz r->fb_id = fb->base.id; 1692f453ba04SDave Airlie list_add(&fb->filp_head, &file_priv->fbs); 16939440106bSJerome Glisse DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 1694f453ba04SDave Airlie 1695f453ba04SDave Airlie out: 1696f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1697f453ba04SDave Airlie return ret; 1698f453ba04SDave Airlie } 1699f453ba04SDave Airlie 1700f453ba04SDave Airlie /** 1701f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 1702f453ba04SDave Airlie * @inode: inode from the ioctl 1703f453ba04SDave Airlie * @filp: file * from the ioctl 1704f453ba04SDave Airlie * @cmd: cmd from ioctl 1705f453ba04SDave Airlie * @arg: arg from ioctl 1706f453ba04SDave Airlie * 1707f453ba04SDave Airlie * LOCKING: 1708f453ba04SDave Airlie * Takes mode config lock. 1709f453ba04SDave Airlie * 1710f453ba04SDave Airlie * Remove the FB specified by the user. 1711f453ba04SDave Airlie * 1712f453ba04SDave Airlie * Called by the user via ioctl. 1713f453ba04SDave Airlie * 1714f453ba04SDave Airlie * RETURNS: 1715f453ba04SDave Airlie * Zero on success, errno on failure. 1716f453ba04SDave Airlie */ 1717f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 1718f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1719f453ba04SDave Airlie { 1720f453ba04SDave Airlie struct drm_mode_object *obj; 1721f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 1722f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 1723f453ba04SDave Airlie uint32_t *id = data; 1724f453ba04SDave Airlie int ret = 0; 1725f453ba04SDave Airlie int found = 0; 1726f453ba04SDave Airlie 1727f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1728f453ba04SDave Airlie obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); 1729f453ba04SDave Airlie /* TODO check that we realy get a framebuffer back. */ 1730f453ba04SDave Airlie if (!obj) { 1731f453ba04SDave Airlie DRM_ERROR("mode invalid framebuffer id\n"); 1732f453ba04SDave Airlie ret = -EINVAL; 1733f453ba04SDave Airlie goto out; 1734f453ba04SDave Airlie } 1735f453ba04SDave Airlie fb = obj_to_fb(obj); 1736f453ba04SDave Airlie 1737f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 1738f453ba04SDave Airlie if (fb == fbl) 1739f453ba04SDave Airlie found = 1; 1740f453ba04SDave Airlie 1741f453ba04SDave Airlie if (!found) { 1742f453ba04SDave Airlie DRM_ERROR("tried to remove a fb that we didn't own\n"); 1743f453ba04SDave Airlie ret = -EINVAL; 1744f453ba04SDave Airlie goto out; 1745f453ba04SDave Airlie } 1746f453ba04SDave Airlie 1747f453ba04SDave Airlie /* TODO release all crtc connected to the framebuffer */ 1748f453ba04SDave Airlie /* TODO unhock the destructor from the buffer object */ 1749f453ba04SDave Airlie 1750f453ba04SDave Airlie list_del(&fb->filp_head); 1751f453ba04SDave Airlie fb->funcs->destroy(fb); 1752f453ba04SDave Airlie 1753f453ba04SDave Airlie out: 1754f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1755f453ba04SDave Airlie return ret; 1756f453ba04SDave Airlie } 1757f453ba04SDave Airlie 1758f453ba04SDave Airlie /** 1759f453ba04SDave Airlie * drm_mode_getfb - get FB info 1760f453ba04SDave Airlie * @inode: inode from the ioctl 1761f453ba04SDave Airlie * @filp: file * from the ioctl 1762f453ba04SDave Airlie * @cmd: cmd from ioctl 1763f453ba04SDave Airlie * @arg: arg from ioctl 1764f453ba04SDave Airlie * 1765f453ba04SDave Airlie * LOCKING: 1766f453ba04SDave Airlie * Caller? (FIXME) 1767f453ba04SDave Airlie * 1768f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 1769f453ba04SDave Airlie * 1770f453ba04SDave Airlie * Called by the user via ioctl. 1771f453ba04SDave Airlie * 1772f453ba04SDave Airlie * RETURNS: 1773f453ba04SDave Airlie * Zero on success, errno on failure. 1774f453ba04SDave Airlie */ 1775f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 1776f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1777f453ba04SDave Airlie { 1778f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 1779f453ba04SDave Airlie struct drm_mode_object *obj; 1780f453ba04SDave Airlie struct drm_framebuffer *fb; 1781f453ba04SDave Airlie int ret = 0; 1782f453ba04SDave Airlie 1783f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1784e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); 1785f453ba04SDave Airlie if (!obj) { 1786f453ba04SDave Airlie DRM_ERROR("invalid framebuffer id\n"); 1787f453ba04SDave Airlie ret = -EINVAL; 1788f453ba04SDave Airlie goto out; 1789f453ba04SDave Airlie } 1790f453ba04SDave Airlie fb = obj_to_fb(obj); 1791f453ba04SDave Airlie 1792f453ba04SDave Airlie r->height = fb->height; 1793f453ba04SDave Airlie r->width = fb->width; 1794f453ba04SDave Airlie r->depth = fb->depth; 1795f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 1796f453ba04SDave Airlie r->pitch = fb->pitch; 1797f453ba04SDave Airlie fb->funcs->create_handle(fb, file_priv, &r->handle); 1798f453ba04SDave Airlie 1799f453ba04SDave Airlie out: 1800f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1801f453ba04SDave Airlie return ret; 1802f453ba04SDave Airlie } 1803f453ba04SDave Airlie 1804884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 1805884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 1806884840aaSJakob Bornecrantz { 1807884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 1808884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 1809884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 1810884840aaSJakob Bornecrantz struct drm_mode_object *obj; 1811884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 1812884840aaSJakob Bornecrantz unsigned flags; 1813884840aaSJakob Bornecrantz int num_clips; 1814884840aaSJakob Bornecrantz int ret = 0; 1815884840aaSJakob Bornecrantz 1816884840aaSJakob Bornecrantz mutex_lock(&dev->mode_config.mutex); 1817884840aaSJakob Bornecrantz obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); 1818884840aaSJakob Bornecrantz if (!obj) { 1819884840aaSJakob Bornecrantz DRM_ERROR("invalid framebuffer id\n"); 1820884840aaSJakob Bornecrantz ret = -EINVAL; 1821884840aaSJakob Bornecrantz goto out_err1; 1822884840aaSJakob Bornecrantz } 1823884840aaSJakob Bornecrantz fb = obj_to_fb(obj); 1824884840aaSJakob Bornecrantz 1825884840aaSJakob Bornecrantz num_clips = r->num_clips; 1826884840aaSJakob Bornecrantz clips_ptr = (struct drm_clip_rect *)(unsigned long)r->clips_ptr; 1827884840aaSJakob Bornecrantz 1828884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 1829884840aaSJakob Bornecrantz ret = -EINVAL; 1830884840aaSJakob Bornecrantz goto out_err1; 1831884840aaSJakob Bornecrantz } 1832884840aaSJakob Bornecrantz 1833884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 1834884840aaSJakob Bornecrantz 1835884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 1836884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 1837884840aaSJakob Bornecrantz ret = -EINVAL; 1838884840aaSJakob Bornecrantz goto out_err1; 1839884840aaSJakob Bornecrantz } 1840884840aaSJakob Bornecrantz 1841884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 1842884840aaSJakob Bornecrantz clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); 1843884840aaSJakob Bornecrantz if (!clips) { 1844884840aaSJakob Bornecrantz ret = -ENOMEM; 1845884840aaSJakob Bornecrantz goto out_err1; 1846884840aaSJakob Bornecrantz } 1847884840aaSJakob Bornecrantz 1848884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 1849884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 1850e902a358SDan Carpenter if (ret) { 1851e902a358SDan Carpenter ret = -EFAULT; 1852884840aaSJakob Bornecrantz goto out_err2; 1853884840aaSJakob Bornecrantz } 1854e902a358SDan Carpenter } 1855884840aaSJakob Bornecrantz 1856884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 1857884840aaSJakob Bornecrantz ret = fb->funcs->dirty(fb, flags, r->color, clips, num_clips); 1858884840aaSJakob Bornecrantz } else { 1859884840aaSJakob Bornecrantz ret = -ENOSYS; 1860884840aaSJakob Bornecrantz goto out_err2; 1861884840aaSJakob Bornecrantz } 1862884840aaSJakob Bornecrantz 1863884840aaSJakob Bornecrantz out_err2: 1864884840aaSJakob Bornecrantz kfree(clips); 1865884840aaSJakob Bornecrantz out_err1: 1866884840aaSJakob Bornecrantz mutex_unlock(&dev->mode_config.mutex); 1867884840aaSJakob Bornecrantz return ret; 1868884840aaSJakob Bornecrantz } 1869884840aaSJakob Bornecrantz 1870884840aaSJakob Bornecrantz 1871f453ba04SDave Airlie /** 1872f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 1873f453ba04SDave Airlie * @filp: file * from the ioctl 1874f453ba04SDave Airlie * 1875f453ba04SDave Airlie * LOCKING: 1876f453ba04SDave Airlie * Takes mode config lock. 1877f453ba04SDave Airlie * 1878f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 1879f453ba04SDave Airlie * 1880f453ba04SDave Airlie * Called by the user via ioctl. 1881f453ba04SDave Airlie * 1882f453ba04SDave Airlie * RETURNS: 1883f453ba04SDave Airlie * Zero on success, errno on failure. 1884f453ba04SDave Airlie */ 1885ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 1886f453ba04SDave Airlie { 1887f453ba04SDave Airlie struct drm_device *dev = priv->minor->dev; 1888f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 1889f453ba04SDave Airlie 1890f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1891f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 1892f453ba04SDave Airlie list_del(&fb->filp_head); 1893f453ba04SDave Airlie fb->funcs->destroy(fb); 1894f453ba04SDave Airlie } 1895f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1896f453ba04SDave Airlie } 1897f453ba04SDave Airlie 1898f453ba04SDave Airlie /** 1899f453ba04SDave Airlie * drm_mode_attachmode - add a mode to the user mode list 1900f453ba04SDave Airlie * @dev: DRM device 1901f453ba04SDave Airlie * @connector: connector to add the mode to 1902f453ba04SDave Airlie * @mode: mode to add 1903f453ba04SDave Airlie * 1904f453ba04SDave Airlie * Add @mode to @connector's user mode list. 1905f453ba04SDave Airlie */ 1906f453ba04SDave Airlie static int drm_mode_attachmode(struct drm_device *dev, 1907f453ba04SDave Airlie struct drm_connector *connector, 1908f453ba04SDave Airlie struct drm_display_mode *mode) 1909f453ba04SDave Airlie { 1910f453ba04SDave Airlie int ret = 0; 1911f453ba04SDave Airlie 1912f453ba04SDave Airlie list_add_tail(&mode->head, &connector->user_modes); 1913f453ba04SDave Airlie return ret; 1914f453ba04SDave Airlie } 1915f453ba04SDave Airlie 1916f453ba04SDave Airlie int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, 1917f453ba04SDave Airlie struct drm_display_mode *mode) 1918f453ba04SDave Airlie { 1919f453ba04SDave Airlie struct drm_connector *connector; 1920f453ba04SDave Airlie int ret = 0; 1921f453ba04SDave Airlie struct drm_display_mode *dup_mode; 1922f453ba04SDave Airlie int need_dup = 0; 1923f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1924f453ba04SDave Airlie if (!connector->encoder) 1925f453ba04SDave Airlie break; 1926f453ba04SDave Airlie if (connector->encoder->crtc == crtc) { 1927f453ba04SDave Airlie if (need_dup) 1928f453ba04SDave Airlie dup_mode = drm_mode_duplicate(dev, mode); 1929f453ba04SDave Airlie else 1930f453ba04SDave Airlie dup_mode = mode; 1931f453ba04SDave Airlie ret = drm_mode_attachmode(dev, connector, dup_mode); 1932f453ba04SDave Airlie if (ret) 1933f453ba04SDave Airlie return ret; 1934f453ba04SDave Airlie need_dup = 1; 1935f453ba04SDave Airlie } 1936f453ba04SDave Airlie } 1937f453ba04SDave Airlie return 0; 1938f453ba04SDave Airlie } 1939f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_attachmode_crtc); 1940f453ba04SDave Airlie 1941f453ba04SDave Airlie static int drm_mode_detachmode(struct drm_device *dev, 1942f453ba04SDave Airlie struct drm_connector *connector, 1943f453ba04SDave Airlie struct drm_display_mode *mode) 1944f453ba04SDave Airlie { 1945f453ba04SDave Airlie int found = 0; 1946f453ba04SDave Airlie int ret = 0; 1947f453ba04SDave Airlie struct drm_display_mode *match_mode, *t; 1948f453ba04SDave Airlie 1949f453ba04SDave Airlie list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { 1950f453ba04SDave Airlie if (drm_mode_equal(match_mode, mode)) { 1951f453ba04SDave Airlie list_del(&match_mode->head); 1952f453ba04SDave Airlie drm_mode_destroy(dev, match_mode); 1953f453ba04SDave Airlie found = 1; 1954f453ba04SDave Airlie break; 1955f453ba04SDave Airlie } 1956f453ba04SDave Airlie } 1957f453ba04SDave Airlie 1958f453ba04SDave Airlie if (!found) 1959f453ba04SDave Airlie ret = -EINVAL; 1960f453ba04SDave Airlie 1961f453ba04SDave Airlie return ret; 1962f453ba04SDave Airlie } 1963f453ba04SDave Airlie 1964f453ba04SDave Airlie int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) 1965f453ba04SDave Airlie { 1966f453ba04SDave Airlie struct drm_connector *connector; 1967f453ba04SDave Airlie 1968f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1969f453ba04SDave Airlie drm_mode_detachmode(dev, connector, mode); 1970f453ba04SDave Airlie } 1971f453ba04SDave Airlie return 0; 1972f453ba04SDave Airlie } 1973f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_detachmode_crtc); 1974f453ba04SDave Airlie 1975f453ba04SDave Airlie /** 1976f453ba04SDave Airlie * drm_fb_attachmode - Attach a user mode to an connector 1977f453ba04SDave Airlie * @inode: inode from the ioctl 1978f453ba04SDave Airlie * @filp: file * from the ioctl 1979f453ba04SDave Airlie * @cmd: cmd from ioctl 1980f453ba04SDave Airlie * @arg: arg from ioctl 1981f453ba04SDave Airlie * 1982f453ba04SDave Airlie * This attaches a user specified mode to an connector. 1983f453ba04SDave Airlie * Called by the user via ioctl. 1984f453ba04SDave Airlie * 1985f453ba04SDave Airlie * RETURNS: 1986f453ba04SDave Airlie * Zero on success, errno on failure. 1987f453ba04SDave Airlie */ 1988f453ba04SDave Airlie int drm_mode_attachmode_ioctl(struct drm_device *dev, 1989f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1990f453ba04SDave Airlie { 1991f453ba04SDave Airlie struct drm_mode_mode_cmd *mode_cmd = data; 1992f453ba04SDave Airlie struct drm_connector *connector; 1993f453ba04SDave Airlie struct drm_display_mode *mode; 1994f453ba04SDave Airlie struct drm_mode_object *obj; 1995f453ba04SDave Airlie struct drm_mode_modeinfo *umode = &mode_cmd->mode; 1996f453ba04SDave Airlie int ret = 0; 1997f453ba04SDave Airlie 1998f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1999f453ba04SDave Airlie 2000f453ba04SDave Airlie obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); 2001f453ba04SDave Airlie if (!obj) { 2002f453ba04SDave Airlie ret = -EINVAL; 2003f453ba04SDave Airlie goto out; 2004f453ba04SDave Airlie } 2005f453ba04SDave Airlie connector = obj_to_connector(obj); 2006f453ba04SDave Airlie 2007f453ba04SDave Airlie mode = drm_mode_create(dev); 2008f453ba04SDave Airlie if (!mode) { 2009f453ba04SDave Airlie ret = -ENOMEM; 2010f453ba04SDave Airlie goto out; 2011f453ba04SDave Airlie } 2012f453ba04SDave Airlie 2013f453ba04SDave Airlie drm_crtc_convert_umode(mode, umode); 2014f453ba04SDave Airlie 2015f453ba04SDave Airlie ret = drm_mode_attachmode(dev, connector, mode); 2016f453ba04SDave Airlie out: 2017f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2018f453ba04SDave Airlie return ret; 2019f453ba04SDave Airlie } 2020f453ba04SDave Airlie 2021f453ba04SDave Airlie 2022f453ba04SDave Airlie /** 2023f453ba04SDave Airlie * drm_fb_detachmode - Detach a user specified mode from an connector 2024f453ba04SDave Airlie * @inode: inode from the ioctl 2025f453ba04SDave Airlie * @filp: file * from the ioctl 2026f453ba04SDave Airlie * @cmd: cmd from ioctl 2027f453ba04SDave Airlie * @arg: arg from ioctl 2028f453ba04SDave Airlie * 2029f453ba04SDave Airlie * Called by the user via ioctl. 2030f453ba04SDave Airlie * 2031f453ba04SDave Airlie * RETURNS: 2032f453ba04SDave Airlie * Zero on success, errno on failure. 2033f453ba04SDave Airlie */ 2034f453ba04SDave Airlie int drm_mode_detachmode_ioctl(struct drm_device *dev, 2035f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2036f453ba04SDave Airlie { 2037f453ba04SDave Airlie struct drm_mode_object *obj; 2038f453ba04SDave Airlie struct drm_mode_mode_cmd *mode_cmd = data; 2039f453ba04SDave Airlie struct drm_connector *connector; 2040f453ba04SDave Airlie struct drm_display_mode mode; 2041f453ba04SDave Airlie struct drm_mode_modeinfo *umode = &mode_cmd->mode; 2042f453ba04SDave Airlie int ret = 0; 2043f453ba04SDave Airlie 2044f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2045f453ba04SDave Airlie 2046f453ba04SDave Airlie obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); 2047f453ba04SDave Airlie if (!obj) { 2048f453ba04SDave Airlie ret = -EINVAL; 2049f453ba04SDave Airlie goto out; 2050f453ba04SDave Airlie } 2051f453ba04SDave Airlie connector = obj_to_connector(obj); 2052f453ba04SDave Airlie 2053f453ba04SDave Airlie drm_crtc_convert_umode(&mode, umode); 2054f453ba04SDave Airlie ret = drm_mode_detachmode(dev, connector, &mode); 2055f453ba04SDave Airlie out: 2056f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2057f453ba04SDave Airlie return ret; 2058f453ba04SDave Airlie } 2059f453ba04SDave Airlie 2060f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 2061f453ba04SDave Airlie const char *name, int num_values) 2062f453ba04SDave Airlie { 2063f453ba04SDave Airlie struct drm_property *property = NULL; 2064f453ba04SDave Airlie 2065f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 2066f453ba04SDave Airlie if (!property) 2067f453ba04SDave Airlie return NULL; 2068f453ba04SDave Airlie 2069f453ba04SDave Airlie if (num_values) { 2070f453ba04SDave Airlie property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); 2071f453ba04SDave Airlie if (!property->values) 2072f453ba04SDave Airlie goto fail; 2073f453ba04SDave Airlie } 2074f453ba04SDave Airlie 2075f453ba04SDave Airlie drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 2076f453ba04SDave Airlie property->flags = flags; 2077f453ba04SDave Airlie property->num_values = num_values; 2078f453ba04SDave Airlie INIT_LIST_HEAD(&property->enum_blob_list); 2079f453ba04SDave Airlie 2080f453ba04SDave Airlie if (name) 2081f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 2082f453ba04SDave Airlie 2083f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 2084f453ba04SDave Airlie return property; 2085f453ba04SDave Airlie fail: 2086f453ba04SDave Airlie kfree(property); 2087f453ba04SDave Airlie return NULL; 2088f453ba04SDave Airlie } 2089f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 2090f453ba04SDave Airlie 2091f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 2092f453ba04SDave Airlie uint64_t value, const char *name) 2093f453ba04SDave Airlie { 2094f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2095f453ba04SDave Airlie 2096f453ba04SDave Airlie if (!(property->flags & DRM_MODE_PROP_ENUM)) 2097f453ba04SDave Airlie return -EINVAL; 2098f453ba04SDave Airlie 2099f453ba04SDave Airlie if (!list_empty(&property->enum_blob_list)) { 2100f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2101f453ba04SDave Airlie if (prop_enum->value == value) { 2102f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2103f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2104f453ba04SDave Airlie return 0; 2105f453ba04SDave Airlie } 2106f453ba04SDave Airlie } 2107f453ba04SDave Airlie } 2108f453ba04SDave Airlie 2109f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 2110f453ba04SDave Airlie if (!prop_enum) 2111f453ba04SDave Airlie return -ENOMEM; 2112f453ba04SDave Airlie 2113f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2114f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2115f453ba04SDave Airlie prop_enum->value = value; 2116f453ba04SDave Airlie 2117f453ba04SDave Airlie property->values[index] = value; 2118f453ba04SDave Airlie list_add_tail(&prop_enum->head, &property->enum_blob_list); 2119f453ba04SDave Airlie return 0; 2120f453ba04SDave Airlie } 2121f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 2122f453ba04SDave Airlie 2123f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 2124f453ba04SDave Airlie { 2125f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 2126f453ba04SDave Airlie 2127f453ba04SDave Airlie list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { 2128f453ba04SDave Airlie list_del(&prop_enum->head); 2129f453ba04SDave Airlie kfree(prop_enum); 2130f453ba04SDave Airlie } 2131f453ba04SDave Airlie 2132f453ba04SDave Airlie if (property->num_values) 2133f453ba04SDave Airlie kfree(property->values); 2134f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 2135f453ba04SDave Airlie list_del(&property->head); 2136f453ba04SDave Airlie kfree(property); 2137f453ba04SDave Airlie } 2138f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 2139f453ba04SDave Airlie 2140f453ba04SDave Airlie int drm_connector_attach_property(struct drm_connector *connector, 2141f453ba04SDave Airlie struct drm_property *property, uint64_t init_val) 2142f453ba04SDave Airlie { 2143f453ba04SDave Airlie int i; 2144f453ba04SDave Airlie 2145f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2146f453ba04SDave Airlie if (connector->property_ids[i] == 0) { 2147f453ba04SDave Airlie connector->property_ids[i] = property->base.id; 2148f453ba04SDave Airlie connector->property_values[i] = init_val; 2149f453ba04SDave Airlie break; 2150f453ba04SDave Airlie } 2151f453ba04SDave Airlie } 2152f453ba04SDave Airlie 2153f453ba04SDave Airlie if (i == DRM_CONNECTOR_MAX_PROPERTY) 2154f453ba04SDave Airlie return -EINVAL; 2155f453ba04SDave Airlie return 0; 2156f453ba04SDave Airlie } 2157f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_attach_property); 2158f453ba04SDave Airlie 2159f453ba04SDave Airlie int drm_connector_property_set_value(struct drm_connector *connector, 2160f453ba04SDave Airlie struct drm_property *property, uint64_t value) 2161f453ba04SDave Airlie { 2162f453ba04SDave Airlie int i; 2163f453ba04SDave Airlie 2164f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2165f453ba04SDave Airlie if (connector->property_ids[i] == property->base.id) { 2166f453ba04SDave Airlie connector->property_values[i] = value; 2167f453ba04SDave Airlie break; 2168f453ba04SDave Airlie } 2169f453ba04SDave Airlie } 2170f453ba04SDave Airlie 2171f453ba04SDave Airlie if (i == DRM_CONNECTOR_MAX_PROPERTY) 2172f453ba04SDave Airlie return -EINVAL; 2173f453ba04SDave Airlie return 0; 2174f453ba04SDave Airlie } 2175f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_property_set_value); 2176f453ba04SDave Airlie 2177f453ba04SDave Airlie int drm_connector_property_get_value(struct drm_connector *connector, 2178f453ba04SDave Airlie struct drm_property *property, uint64_t *val) 2179f453ba04SDave Airlie { 2180f453ba04SDave Airlie int i; 2181f453ba04SDave Airlie 2182f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2183f453ba04SDave Airlie if (connector->property_ids[i] == property->base.id) { 2184f453ba04SDave Airlie *val = connector->property_values[i]; 2185f453ba04SDave Airlie break; 2186f453ba04SDave Airlie } 2187f453ba04SDave Airlie } 2188f453ba04SDave Airlie 2189f453ba04SDave Airlie if (i == DRM_CONNECTOR_MAX_PROPERTY) 2190f453ba04SDave Airlie return -EINVAL; 2191f453ba04SDave Airlie return 0; 2192f453ba04SDave Airlie } 2193f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_property_get_value); 2194f453ba04SDave Airlie 2195f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 2196f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2197f453ba04SDave Airlie { 2198f453ba04SDave Airlie struct drm_mode_object *obj; 2199f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 2200f453ba04SDave Airlie struct drm_property *property; 2201f453ba04SDave Airlie int enum_count = 0; 2202f453ba04SDave Airlie int blob_count = 0; 2203f453ba04SDave Airlie int value_count = 0; 2204f453ba04SDave Airlie int ret = 0, i; 2205f453ba04SDave Airlie int copied; 2206f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2207f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 2208f453ba04SDave Airlie struct drm_property_blob *prop_blob; 2209f453ba04SDave Airlie uint32_t *blob_id_ptr; 2210f453ba04SDave Airlie uint64_t __user *values_ptr; 2211f453ba04SDave Airlie uint32_t __user *blob_length_ptr; 2212f453ba04SDave Airlie 2213f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2214f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 2215f453ba04SDave Airlie if (!obj) { 2216f453ba04SDave Airlie ret = -EINVAL; 2217f453ba04SDave Airlie goto done; 2218f453ba04SDave Airlie } 2219f453ba04SDave Airlie property = obj_to_property(obj); 2220f453ba04SDave Airlie 2221f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_ENUM) { 2222f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) 2223f453ba04SDave Airlie enum_count++; 2224f453ba04SDave Airlie } else if (property->flags & DRM_MODE_PROP_BLOB) { 2225f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) 2226f453ba04SDave Airlie blob_count++; 2227f453ba04SDave Airlie } 2228f453ba04SDave Airlie 2229f453ba04SDave Airlie value_count = property->num_values; 2230f453ba04SDave Airlie 2231f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 2232f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 2233f453ba04SDave Airlie out_resp->flags = property->flags; 2234f453ba04SDave Airlie 2235f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 2236f453ba04SDave Airlie values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr; 2237f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 2238f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 2239f453ba04SDave Airlie ret = -EFAULT; 2240f453ba04SDave Airlie goto done; 2241f453ba04SDave Airlie } 2242f453ba04SDave Airlie } 2243f453ba04SDave Airlie } 2244f453ba04SDave Airlie out_resp->count_values = value_count; 2245f453ba04SDave Airlie 2246f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_ENUM) { 2247f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 2248f453ba04SDave Airlie copied = 0; 2249f453ba04SDave Airlie enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr; 2250f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2251f453ba04SDave Airlie 2252f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 2253f453ba04SDave Airlie ret = -EFAULT; 2254f453ba04SDave Airlie goto done; 2255f453ba04SDave Airlie } 2256f453ba04SDave Airlie 2257f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 2258f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 2259f453ba04SDave Airlie ret = -EFAULT; 2260f453ba04SDave Airlie goto done; 2261f453ba04SDave Airlie } 2262f453ba04SDave Airlie copied++; 2263f453ba04SDave Airlie } 2264f453ba04SDave Airlie } 2265f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 2266f453ba04SDave Airlie } 2267f453ba04SDave Airlie 2268f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_BLOB) { 2269f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { 2270f453ba04SDave Airlie copied = 0; 2271f453ba04SDave Airlie blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr; 2272f453ba04SDave Airlie blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr; 2273f453ba04SDave Airlie 2274f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) { 2275f453ba04SDave Airlie if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { 2276f453ba04SDave Airlie ret = -EFAULT; 2277f453ba04SDave Airlie goto done; 2278f453ba04SDave Airlie } 2279f453ba04SDave Airlie 2280f453ba04SDave Airlie if (put_user(prop_blob->length, blob_length_ptr + copied)) { 2281f453ba04SDave Airlie ret = -EFAULT; 2282f453ba04SDave Airlie goto done; 2283f453ba04SDave Airlie } 2284f453ba04SDave Airlie 2285f453ba04SDave Airlie copied++; 2286f453ba04SDave Airlie } 2287f453ba04SDave Airlie } 2288f453ba04SDave Airlie out_resp->count_enum_blobs = blob_count; 2289f453ba04SDave Airlie } 2290f453ba04SDave Airlie done: 2291f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2292f453ba04SDave Airlie return ret; 2293f453ba04SDave Airlie } 2294f453ba04SDave Airlie 2295f453ba04SDave Airlie static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, 2296f453ba04SDave Airlie void *data) 2297f453ba04SDave Airlie { 2298f453ba04SDave Airlie struct drm_property_blob *blob; 2299f453ba04SDave Airlie 2300f453ba04SDave Airlie if (!length || !data) 2301f453ba04SDave Airlie return NULL; 2302f453ba04SDave Airlie 2303f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 2304f453ba04SDave Airlie if (!blob) 2305f453ba04SDave Airlie return NULL; 2306f453ba04SDave Airlie 2307f453ba04SDave Airlie blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob)); 2308f453ba04SDave Airlie blob->length = length; 2309f453ba04SDave Airlie 2310f453ba04SDave Airlie memcpy(blob->data, data, length); 2311f453ba04SDave Airlie 2312f453ba04SDave Airlie drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 2313f453ba04SDave Airlie 2314f453ba04SDave Airlie list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 2315f453ba04SDave Airlie return blob; 2316f453ba04SDave Airlie } 2317f453ba04SDave Airlie 2318f453ba04SDave Airlie static void drm_property_destroy_blob(struct drm_device *dev, 2319f453ba04SDave Airlie struct drm_property_blob *blob) 2320f453ba04SDave Airlie { 2321f453ba04SDave Airlie drm_mode_object_put(dev, &blob->base); 2322f453ba04SDave Airlie list_del(&blob->head); 2323f453ba04SDave Airlie kfree(blob); 2324f453ba04SDave Airlie } 2325f453ba04SDave Airlie 2326f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 2327f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2328f453ba04SDave Airlie { 2329f453ba04SDave Airlie struct drm_mode_object *obj; 2330f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 2331f453ba04SDave Airlie struct drm_property_blob *blob; 2332f453ba04SDave Airlie int ret = 0; 2333f453ba04SDave Airlie void *blob_ptr; 2334f453ba04SDave Airlie 2335f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2336f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); 2337f453ba04SDave Airlie if (!obj) { 2338f453ba04SDave Airlie ret = -EINVAL; 2339f453ba04SDave Airlie goto done; 2340f453ba04SDave Airlie } 2341f453ba04SDave Airlie blob = obj_to_blob(obj); 2342f453ba04SDave Airlie 2343f453ba04SDave Airlie if (out_resp->length == blob->length) { 2344f453ba04SDave Airlie blob_ptr = (void *)(unsigned long)out_resp->data; 2345f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)){ 2346f453ba04SDave Airlie ret = -EFAULT; 2347f453ba04SDave Airlie goto done; 2348f453ba04SDave Airlie } 2349f453ba04SDave Airlie } 2350f453ba04SDave Airlie out_resp->length = blob->length; 2351f453ba04SDave Airlie 2352f453ba04SDave Airlie done: 2353f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2354f453ba04SDave Airlie return ret; 2355f453ba04SDave Airlie } 2356f453ba04SDave Airlie 2357f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 2358f453ba04SDave Airlie struct edid *edid) 2359f453ba04SDave Airlie { 2360f453ba04SDave Airlie struct drm_device *dev = connector->dev; 23617466f4ccSAdam Jackson int ret = 0, size; 2362f453ba04SDave Airlie 2363f453ba04SDave Airlie if (connector->edid_blob_ptr) 2364f453ba04SDave Airlie drm_property_destroy_blob(dev, connector->edid_blob_ptr); 2365f453ba04SDave Airlie 2366f453ba04SDave Airlie /* Delete edid, when there is none. */ 2367f453ba04SDave Airlie if (!edid) { 2368f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 2369f453ba04SDave Airlie ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); 2370f453ba04SDave Airlie return ret; 2371f453ba04SDave Airlie } 2372f453ba04SDave Airlie 23737466f4ccSAdam Jackson size = EDID_LENGTH * (1 + edid->extensions); 23747466f4ccSAdam Jackson connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 23757466f4ccSAdam Jackson size, edid); 2376f453ba04SDave Airlie 2377f453ba04SDave Airlie ret = drm_connector_property_set_value(connector, 2378f453ba04SDave Airlie dev->mode_config.edid_property, 2379f453ba04SDave Airlie connector->edid_blob_ptr->base.id); 2380f453ba04SDave Airlie 2381f453ba04SDave Airlie return ret; 2382f453ba04SDave Airlie } 2383f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 2384f453ba04SDave Airlie 2385f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 2386f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2387f453ba04SDave Airlie { 2388f453ba04SDave Airlie struct drm_mode_connector_set_property *out_resp = data; 2389f453ba04SDave Airlie struct drm_mode_object *obj; 2390f453ba04SDave Airlie struct drm_property *property; 2391f453ba04SDave Airlie struct drm_connector *connector; 2392f453ba04SDave Airlie int ret = -EINVAL; 2393f453ba04SDave Airlie int i; 2394f453ba04SDave Airlie 2395f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2396f453ba04SDave Airlie 2397f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); 2398f453ba04SDave Airlie if (!obj) { 2399f453ba04SDave Airlie goto out; 2400f453ba04SDave Airlie } 2401f453ba04SDave Airlie connector = obj_to_connector(obj); 2402f453ba04SDave Airlie 2403f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2404f453ba04SDave Airlie if (connector->property_ids[i] == out_resp->prop_id) 2405f453ba04SDave Airlie break; 2406f453ba04SDave Airlie } 2407f453ba04SDave Airlie 2408f453ba04SDave Airlie if (i == DRM_CONNECTOR_MAX_PROPERTY) { 2409f453ba04SDave Airlie goto out; 2410f453ba04SDave Airlie } 2411f453ba04SDave Airlie 2412f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 2413f453ba04SDave Airlie if (!obj) { 2414f453ba04SDave Airlie goto out; 2415f453ba04SDave Airlie } 2416f453ba04SDave Airlie property = obj_to_property(obj); 2417f453ba04SDave Airlie 2418f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_IMMUTABLE) 2419f453ba04SDave Airlie goto out; 2420f453ba04SDave Airlie 2421f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_RANGE) { 2422f453ba04SDave Airlie if (out_resp->value < property->values[0]) 2423f453ba04SDave Airlie goto out; 2424f453ba04SDave Airlie 2425f453ba04SDave Airlie if (out_resp->value > property->values[1]) 2426f453ba04SDave Airlie goto out; 2427f453ba04SDave Airlie } else { 2428f453ba04SDave Airlie int found = 0; 2429f453ba04SDave Airlie for (i = 0; i < property->num_values; i++) { 2430f453ba04SDave Airlie if (property->values[i] == out_resp->value) { 2431f453ba04SDave Airlie found = 1; 2432f453ba04SDave Airlie break; 2433f453ba04SDave Airlie } 2434f453ba04SDave Airlie } 2435f453ba04SDave Airlie if (!found) { 2436f453ba04SDave Airlie goto out; 2437f453ba04SDave Airlie } 2438f453ba04SDave Airlie } 2439f453ba04SDave Airlie 2440c9fb15f6SKeith Packard /* Do DPMS ourselves */ 2441c9fb15f6SKeith Packard if (property == connector->dev->mode_config.dpms_property) { 2442c9fb15f6SKeith Packard if (connector->funcs->dpms) 2443c9fb15f6SKeith Packard (*connector->funcs->dpms)(connector, (int) out_resp->value); 2444c9fb15f6SKeith Packard ret = 0; 2445c9fb15f6SKeith Packard } else if (connector->funcs->set_property) 2446f453ba04SDave Airlie ret = connector->funcs->set_property(connector, property, out_resp->value); 2447f453ba04SDave Airlie 2448af901ca1SAndré Goddard Rosa /* store the property value if successful */ 2449f453ba04SDave Airlie if (!ret) 2450f453ba04SDave Airlie drm_connector_property_set_value(connector, property, out_resp->value); 2451f453ba04SDave Airlie out: 2452f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2453f453ba04SDave Airlie return ret; 2454f453ba04SDave Airlie } 2455f453ba04SDave Airlie 2456f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 2457f453ba04SDave Airlie struct drm_encoder *encoder) 2458f453ba04SDave Airlie { 2459f453ba04SDave Airlie int i; 2460f453ba04SDave Airlie 2461f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2462f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 2463f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 2464f453ba04SDave Airlie return 0; 2465f453ba04SDave Airlie } 2466f453ba04SDave Airlie } 2467f453ba04SDave Airlie return -ENOMEM; 2468f453ba04SDave Airlie } 2469f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 2470f453ba04SDave Airlie 2471f453ba04SDave Airlie void drm_mode_connector_detach_encoder(struct drm_connector *connector, 2472f453ba04SDave Airlie struct drm_encoder *encoder) 2473f453ba04SDave Airlie { 2474f453ba04SDave Airlie int i; 2475f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2476f453ba04SDave Airlie if (connector->encoder_ids[i] == encoder->base.id) { 2477f453ba04SDave Airlie connector->encoder_ids[i] = 0; 2478f453ba04SDave Airlie if (connector->encoder == encoder) 2479f453ba04SDave Airlie connector->encoder = NULL; 2480f453ba04SDave Airlie break; 2481f453ba04SDave Airlie } 2482f453ba04SDave Airlie } 2483f453ba04SDave Airlie } 2484f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_detach_encoder); 2485f453ba04SDave Airlie 2486f453ba04SDave Airlie bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 2487f453ba04SDave Airlie int gamma_size) 2488f453ba04SDave Airlie { 2489f453ba04SDave Airlie crtc->gamma_size = gamma_size; 2490f453ba04SDave Airlie 2491f453ba04SDave Airlie crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); 2492f453ba04SDave Airlie if (!crtc->gamma_store) { 2493f453ba04SDave Airlie crtc->gamma_size = 0; 2494f453ba04SDave Airlie return false; 2495f453ba04SDave Airlie } 2496f453ba04SDave Airlie 2497f453ba04SDave Airlie return true; 2498f453ba04SDave Airlie } 2499f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 2500f453ba04SDave Airlie 2501f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 2502f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2503f453ba04SDave Airlie { 2504f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 2505f453ba04SDave Airlie struct drm_mode_object *obj; 2506f453ba04SDave Airlie struct drm_crtc *crtc; 2507f453ba04SDave Airlie void *r_base, *g_base, *b_base; 2508f453ba04SDave Airlie int size; 2509f453ba04SDave Airlie int ret = 0; 2510f453ba04SDave Airlie 2511f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2512f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 2513f453ba04SDave Airlie if (!obj) { 2514f453ba04SDave Airlie ret = -EINVAL; 2515f453ba04SDave Airlie goto out; 2516f453ba04SDave Airlie } 2517f453ba04SDave Airlie crtc = obj_to_crtc(obj); 2518f453ba04SDave Airlie 2519f453ba04SDave Airlie /* memcpy into gamma store */ 2520f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 2521f453ba04SDave Airlie ret = -EINVAL; 2522f453ba04SDave Airlie goto out; 2523f453ba04SDave Airlie } 2524f453ba04SDave Airlie 2525f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 2526f453ba04SDave Airlie r_base = crtc->gamma_store; 2527f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 2528f453ba04SDave Airlie ret = -EFAULT; 2529f453ba04SDave Airlie goto out; 2530f453ba04SDave Airlie } 2531f453ba04SDave Airlie 2532f453ba04SDave Airlie g_base = r_base + size; 2533f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 2534f453ba04SDave Airlie ret = -EFAULT; 2535f453ba04SDave Airlie goto out; 2536f453ba04SDave Airlie } 2537f453ba04SDave Airlie 2538f453ba04SDave Airlie b_base = g_base + size; 2539f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 2540f453ba04SDave Airlie ret = -EFAULT; 2541f453ba04SDave Airlie goto out; 2542f453ba04SDave Airlie } 2543f453ba04SDave Airlie 2544f453ba04SDave Airlie crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, crtc->gamma_size); 2545f453ba04SDave Airlie 2546f453ba04SDave Airlie out: 2547f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2548f453ba04SDave Airlie return ret; 2549f453ba04SDave Airlie 2550f453ba04SDave Airlie } 2551f453ba04SDave Airlie 2552f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 2553f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2554f453ba04SDave Airlie { 2555f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 2556f453ba04SDave Airlie struct drm_mode_object *obj; 2557f453ba04SDave Airlie struct drm_crtc *crtc; 2558f453ba04SDave Airlie void *r_base, *g_base, *b_base; 2559f453ba04SDave Airlie int size; 2560f453ba04SDave Airlie int ret = 0; 2561f453ba04SDave Airlie 2562f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2563f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 2564f453ba04SDave Airlie if (!obj) { 2565f453ba04SDave Airlie ret = -EINVAL; 2566f453ba04SDave Airlie goto out; 2567f453ba04SDave Airlie } 2568f453ba04SDave Airlie crtc = obj_to_crtc(obj); 2569f453ba04SDave Airlie 2570f453ba04SDave Airlie /* memcpy into gamma store */ 2571f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 2572f453ba04SDave Airlie ret = -EINVAL; 2573f453ba04SDave Airlie goto out; 2574f453ba04SDave Airlie } 2575f453ba04SDave Airlie 2576f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 2577f453ba04SDave Airlie r_base = crtc->gamma_store; 2578f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 2579f453ba04SDave Airlie ret = -EFAULT; 2580f453ba04SDave Airlie goto out; 2581f453ba04SDave Airlie } 2582f453ba04SDave Airlie 2583f453ba04SDave Airlie g_base = r_base + size; 2584f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 2585f453ba04SDave Airlie ret = -EFAULT; 2586f453ba04SDave Airlie goto out; 2587f453ba04SDave Airlie } 2588f453ba04SDave Airlie 2589f453ba04SDave Airlie b_base = g_base + size; 2590f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 2591f453ba04SDave Airlie ret = -EFAULT; 2592f453ba04SDave Airlie goto out; 2593f453ba04SDave Airlie } 2594f453ba04SDave Airlie out: 2595f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2596f453ba04SDave Airlie return ret; 2597f453ba04SDave Airlie } 2598d91d8a3fSKristian Høgsberg 2599d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 2600d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 2601d91d8a3fSKristian Høgsberg { 2602d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 2603d91d8a3fSKristian Høgsberg struct drm_mode_object *obj; 2604d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 2605d91d8a3fSKristian Høgsberg struct drm_framebuffer *fb; 2606d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 2607d91d8a3fSKristian Høgsberg unsigned long flags; 2608d91d8a3fSKristian Høgsberg int ret = -EINVAL; 2609d91d8a3fSKristian Høgsberg 2610d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 2611d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 2612d91d8a3fSKristian Høgsberg return -EINVAL; 2613d91d8a3fSKristian Høgsberg 2614d91d8a3fSKristian Høgsberg mutex_lock(&dev->mode_config.mutex); 2615d91d8a3fSKristian Høgsberg obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); 2616d91d8a3fSKristian Høgsberg if (!obj) 2617d91d8a3fSKristian Høgsberg goto out; 2618d91d8a3fSKristian Høgsberg crtc = obj_to_crtc(obj); 2619d91d8a3fSKristian Høgsberg 262090c1efddSChris Wilson if (crtc->fb == NULL) { 262190c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 262290c1efddSChris Wilson * due to a hotplug event, that userspace has not 262390c1efddSChris Wilson * yet discovered. 262490c1efddSChris Wilson */ 262590c1efddSChris Wilson ret = -EBUSY; 262690c1efddSChris Wilson goto out; 262790c1efddSChris Wilson } 262890c1efddSChris Wilson 2629d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 2630d91d8a3fSKristian Høgsberg goto out; 2631d91d8a3fSKristian Høgsberg 2632d91d8a3fSKristian Høgsberg obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); 2633d91d8a3fSKristian Høgsberg if (!obj) 2634d91d8a3fSKristian Høgsberg goto out; 2635d91d8a3fSKristian Høgsberg fb = obj_to_fb(obj); 2636d91d8a3fSKristian Høgsberg 2637d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 2638d91d8a3fSKristian Høgsberg ret = -ENOMEM; 2639d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 2640d91d8a3fSKristian Høgsberg if (file_priv->event_space < sizeof e->event) { 2641d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 2642d91d8a3fSKristian Høgsberg goto out; 2643d91d8a3fSKristian Høgsberg } 2644d91d8a3fSKristian Høgsberg file_priv->event_space -= sizeof e->event; 2645d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 2646d91d8a3fSKristian Høgsberg 2647d91d8a3fSKristian Høgsberg e = kzalloc(sizeof *e, GFP_KERNEL); 2648d91d8a3fSKristian Høgsberg if (e == NULL) { 2649d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 2650d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 2651d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 2652d91d8a3fSKristian Høgsberg goto out; 2653d91d8a3fSKristian Høgsberg } 2654d91d8a3fSKristian Høgsberg 26557bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 2656d91d8a3fSKristian Høgsberg e->event.base.length = sizeof e->event; 2657d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 2658d91d8a3fSKristian Høgsberg e->base.event = &e->event.base; 2659d91d8a3fSKristian Høgsberg e->base.file_priv = file_priv; 2660d91d8a3fSKristian Høgsberg e->base.destroy = 2661d91d8a3fSKristian Høgsberg (void (*) (struct drm_pending_event *)) kfree; 2662d91d8a3fSKristian Høgsberg } 2663d91d8a3fSKristian Høgsberg 2664d91d8a3fSKristian Høgsberg ret = crtc->funcs->page_flip(crtc, fb, e); 2665d91d8a3fSKristian Høgsberg if (ret) { 2666d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 2667d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 2668d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 2669d91d8a3fSKristian Høgsberg kfree(e); 2670d91d8a3fSKristian Høgsberg } 2671d91d8a3fSKristian Høgsberg 2672d91d8a3fSKristian Høgsberg out: 2673d91d8a3fSKristian Høgsberg mutex_unlock(&dev->mode_config.mutex); 2674d91d8a3fSKristian Høgsberg return ret; 2675d91d8a3fSKristian Høgsberg } 2676