/* * Copyright © 2007 Red Hat, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * Authors: * Dave Airlie * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include #include #include #include "sna.h" #include "sna_reg.h" #include "fb/fbpict.h" #include "intel_options.h" #include #if XF86_CRTC_VERSION >= 3 #define HAS_GAMMA 1 #else #define HAS_GAMMA 0 #endif #include #if defined(HAVE_X11_EXTENSIONS_DPMSCONST_H) #include #else #define DPMSModeOn 0 #define DPMSModeOff 3 #endif #include /* for xf86InterpretEDID */ #include /* Minor discrepancy between 32-bit/64-bit ABI in old kernels */ union compat_mode_get_connector{ struct drm_mode_get_connector conn; uint32_t pad[20]; }; #define KNOWN_MODE_FLAGS ((1<<14)-1) #ifndef MONITOR_EDID_COMPLETE_RAWDATA #define MONITOR_EDID_COMPLETE_RAWDATA 1 #endif #ifndef DEFAULT_DPI #define DEFAULT_DPI 96 #endif #if 0 #define __DBG DBG #else #define __DBG(x) #endif extern XF86ConfigPtr xf86configptr; struct sna_crtc { struct drm_mode_modeinfo kmode; int dpms_mode; PixmapPtr scanout_pixmap; struct kgem_bo *bo, *shadow_bo; uint32_t cursor; bool shadow; bool fallback_shadow; bool transform; uint8_t id; uint8_t pipe; uint8_t plane; }; struct sna_property { drmModePropertyPtr kprop; int num_atoms; /* if range prop, num_atoms == 1; if enum prop, num_atoms == num_enums + 1 */ Atom *atoms; }; struct sna_output { int id; int encoder_idx; unsigned int is_panel : 1; uint32_t edid_idx; uint32_t edid_blob_id; uint32_t edid_len; void *edid_raw; bool has_panel_limits; int panel_hdisplay; int panel_vdisplay; uint32_t dpms_id; int dpms_mode; char *backlight_iface; int backlight_active_level; int backlight_max; int num_modes; struct drm_mode_modeinfo *modes; int num_props; uint32_t *prop_ids; uint64_t *prop_values; struct sna_property *props; }; static inline struct sna_output *to_sna_output(xf86OutputPtr output) { return output->driver_private; } static inline int to_connector_id(xf86OutputPtr output) { return to_sna_output(output)->id; } static inline struct sna_crtc *to_sna_crtc(xf86CrtcPtr crtc) { return crtc->driver_private; } static bool sna_mode_has_pending_events(struct sna *sna) { struct pollfd pfd; pfd.fd = sna->kgem.fd; pfd.events = POLLIN; return poll(&pfd, 1, 0) == 1; } static bool sna_mode_wait_for_event(struct sna *sna) { struct pollfd pfd; pfd.fd = sna->kgem.fd; pfd.events = POLLIN; return poll(&pfd, 1, -1) == 1; } #define BACKLIGHT_CLASS "/sys/class/backlight" /* Enough for 10 digits of backlight + '\n' + '\0' */ #define BACKLIGHT_VALUE_LEN 12 static inline uint32_t fb_id(struct kgem_bo *bo) { return bo->delta; } uint32_t sna_crtc_id(xf86CrtcPtr crtc) { return to_sna_crtc(crtc)->id; } int sna_crtc_to_pipe(xf86CrtcPtr crtc) { return to_sna_crtc(crtc)->pipe; } uint32_t sna_crtc_to_plane(xf86CrtcPtr crtc) { return to_sna_crtc(crtc)->plane; } #ifndef NDEBUG static void gem_close(int fd, uint32_t handle); static void assert_scanout(struct kgem *kgem, struct kgem_bo *bo, int width, int height) { struct drm_mode_fb_cmd info; assert(bo->scanout); VG_CLEAR(info); info.fb_id = bo->delta; assert(drmIoctl(kgem->fd, DRM_IOCTL_MODE_GETFB, &info) == 0); gem_close(kgem->fd, info.handle); assert(width == info.width && height == info.height); } #else #define assert_scanout(k, b, w, h) #endif static unsigned get_fb(struct sna *sna, struct kgem_bo *bo, int width, int height) { ScrnInfoPtr scrn = sna->scrn; struct drm_mode_fb_cmd arg; assert(bo->refcnt); assert(bo->proxy == NULL); assert(!bo->snoop); assert(height * bo->pitch <= kgem_bo_size(bo)); /* XXX crtc offset */ if (bo->delta) { DBG(("%s: reusing fb=%d for handle=%d\n", __FUNCTION__, bo->delta, bo->handle)); assert_scanout(&sna->kgem, bo, width, height); return bo->delta; } DBG(("%s: create fb %dx%d@%d/%d\n", __FUNCTION__, width, height, scrn->depth, scrn->bitsPerPixel)); assert(bo->tiling != I915_TILING_Y); assert((bo->pitch & 63) == 0); VG_CLEAR(arg); arg.width = width; arg.height = height; arg.pitch = bo->pitch; arg.bpp = scrn->bitsPerPixel; arg.depth = scrn->depth; arg.handle = bo->handle; assert(sna->scrn->vtSema); /* must be master */ if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_ADDFB, &arg)) { xf86DrvMsg(scrn->scrnIndex, X_ERROR, "%s: failed to add fb: %dx%d depth=%d, bpp=%d, pitch=%d: %d\n", __FUNCTION__, width, height, scrn->depth, scrn->bitsPerPixel, bo->pitch, errno); return 0; } assert(arg.fb_id != 0); bo->scanout = true; return bo->delta = arg.fb_id; } static uint32_t gem_create(int fd, int size) { struct drm_i915_gem_create create; VG_CLEAR(create); create.handle = 0; create.size = ALIGN(size, 4096); (void)drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create); return create.handle; } static void gem_close(int fd, uint32_t handle) { struct drm_gem_close close; VG_CLEAR(close); close.handle = handle; (void)drmIoctl(fd, DRM_IOCTL_GEM_CLOSE, &close); } #ifdef __OpenBSD__ #include #include static void sna_output_backlight_set(xf86OutputPtr output, int level) { struct sna_output *sna_output = output->driver_private; struct wsdisplay_param param; DBG(("%s: level=%d, max=%d\n", __FUNCTION__, level, sna_output->backlight_max)); if (!sna_output->backlight_iface) return; if ((unsigned)level > sna_output->backlight_max) level = sna_output->backlight_max; VG_CLEAR(param); param.param = WSDISPLAYIO_PARAM_BRIGHTNESS; param.curval = level; if (ioctl(xf86Info.consoleFd, WSDISPLAYIO_SETPARAM, ¶m) == -1) { xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "Failed to set backlight level: %s\n", strerror(errno)); } } static int sna_output_backlight_get(xf86OutputPtr output) { struct wsdisplay_param param; VG_CLEAR(param); param.param = WSDISPLAYIO_PARAM_BRIGHTNESS; if (ioctl(xf86Info.consoleFd, WSDISPLAYIO_GETPARAM, ¶m) == -1) { xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "Failed to get backlight level: %s\n", strerror(errno)); return -1; } DBG(("%s: level=%d (max=%d)\n", __FUNCTION__, param.curval, param.max)); return param.curval; } static void sna_output_backlight_init(xf86OutputPtr output) { struct sna_output *sna_output = output->driver_private; struct wsdisplay_param param; VG_CLEAR(param); param.param = WSDISPLAYIO_PARAM_BRIGHTNESS; if (ioctl(xf86Info.consoleFd, WSDISPLAYIO_GETPARAM, ¶m) == -1) return; DBG(("%s: found 'wscons'\n", __FUNCTION__)); sna_output->backlight_iface = "wscons"; sna_output->backlight_max = param.max; sna_output->backlight_active_level = param.curval; } #else static void sna_output_backlight_set(xf86OutputPtr output, int level) { struct sna_output *sna_output = output->driver_private; char path[1024], val[BACKLIGHT_VALUE_LEN]; int fd, len, ret; DBG(("%s: level=%d, max=%d\n", __FUNCTION__, level, sna_output->backlight_max)); if (!sna_output->backlight_iface) return; if ((unsigned)level > sna_output->backlight_max) level = sna_output->backlight_max; len = snprintf(val, BACKLIGHT_VALUE_LEN, "%d\n", level); sprintf(path, "%s/%s/brightness", BACKLIGHT_CLASS, sna_output->backlight_iface); fd = open(path, O_RDWR); if (fd == -1) { xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "failed to open %s for backlight " "control: %s\n", path, strerror(errno)); return; } ret = write(fd, val, len); if (ret == -1) { xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "write to %s for backlight " "control failed: %s\n", path, strerror(errno)); } close(fd); } static int sna_output_backlight_get(xf86OutputPtr output) { struct sna_output *sna_output = output->driver_private; char path[1024], val[BACKLIGHT_VALUE_LEN]; int fd, level; sprintf(path, "%s/%s/actual_brightness", BACKLIGHT_CLASS, sna_output->backlight_iface); fd = open(path, O_RDONLY); if (fd == -1) { xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "failed to open %s " "for backlight control: %s\n", path, strerror(errno)); return -1; } memset(val, 0, sizeof(val)); if (read(fd, val, BACKLIGHT_VALUE_LEN) == -1) { close(fd); return -1; } close(fd); level = atoi(val); DBG(("%s: level=%d (max=%d)\n", __FUNCTION__, level, sna_output->backlight_max)); if (level > sna_output->backlight_max) level = sna_output->backlight_max; else if (level < 0) level = -1; return level; } static int sna_output_backlight_get_max(xf86OutputPtr output) { struct sna_output *sna_output = output->driver_private; char path[1024], val[BACKLIGHT_VALUE_LEN]; int fd, max = 0; sprintf(path, "%s/%s/max_brightness", BACKLIGHT_CLASS, sna_output->backlight_iface); fd = open(path, O_RDONLY); if (fd == -1) { xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "failed to open %s " "for backlight control: %s\n", path, strerror(errno)); return -1; } memset(val, 0, sizeof(val)); if (read(fd, val, BACKLIGHT_VALUE_LEN) == -1) { close(fd); return -1; } close(fd); max = atoi(val); if (max <= 0) max = -1; return max; } enum { PLATFORM, FIRMWARE, RAW, NAMED, }; static char * has_user_backlight_override(xf86OutputPtr output) { struct sna_output *sna_output = output->driver_private; struct sna *sna = to_sna(output->scrn); char *str; int max; str = xf86GetOptValString(sna->Options, OPTION_BACKLIGHT); if (str == NULL) return NULL; sna_output->backlight_iface = str; max = sna_output_backlight_get_max(output); sna_output->backlight_iface = NULL; if (max <= 0) { xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "unrecognised backlight control interface '%s'\n", str); return NULL; } return str; } static char * has_device_backlight(xf86OutputPtr output, int *best_type) { struct sna_output *sna_output = output->driver_private; struct sna *sna = to_sna(output->scrn); struct pci_device *pci; char path[1024]; char *best_iface = NULL; DIR *dir; struct dirent *de; pci = xf86GetPciInfoForEntity(sna->pEnt->index); if (pci == NULL) return NULL; snprintf(path, sizeof(path), "/sys/bus/pci/devices/%04x:%02x:%02x.%d/backlight", pci->domain, pci->bus, pci->dev, pci->func); DBG(("%s: scanning %s\n", __FUNCTION__, path)); dir = opendir(path); if (dir == NULL) return NULL; while ((de = readdir(dir))) { char buf[100]; int fd, v; if (*de->d_name == '.') continue; DBG(("%s: %s\n", __FUNCTION__, de->d_name)); snprintf(path, sizeof(path), "%s/%s/type", BACKLIGHT_CLASS, de->d_name); v = -1; fd = open(path, O_RDONLY); if (fd >= 0) { v = read(fd, buf, sizeof(buf)-1); close(fd); } if (v > 0) { while (v > 0 && isspace(buf[v-1])) v--; buf[v] = '\0'; if (strcmp(buf, "raw") == 0) v = RAW; else if (strcmp(buf, "platform") == 0) v = PLATFORM; else if (strcmp(buf, "firmware") == 0) v = FIRMWARE; else v = INT_MAX; } else v = INT_MAX; if (v < *best_type) { char *copy; int max; sna_output->backlight_iface = de->d_name; max = sna_output_backlight_get_max(output); sna_output->backlight_iface = NULL; if (max <= 0) continue; copy = strdup(de->d_name); if (copy) { free(best_iface); best_iface = copy; *best_type = v; } } } closedir(dir); return best_iface; } static char * has_backlight(xf86OutputPtr output, int *best_type) { static const char *known_interfaces[] = { "dell_backlight", "gmux_backlight", "asus-laptop", "asus-nb-wmi", "eeepc", "thinkpad_screen", "mbp_backlight", "fujitsu-laptop", "sony", "samsung", "acpi_video1", "acpi_video0", "intel_backlight", }; struct sna_output *sna_output = output->driver_private; char *best_iface = NULL; DIR *dir; struct dirent *de; dir = opendir(BACKLIGHT_CLASS); if (dir == NULL) return NULL; while ((de = readdir(dir))) { char path[1024]; char buf[100]; int fd, v; if (*de->d_name == '.') continue; snprintf(path, sizeof(path), "%s/%s/type", BACKLIGHT_CLASS, de->d_name); v = -1; fd = open(path, O_RDONLY); if (fd >= 0) { v = read(fd, buf, sizeof(buf)-1); close(fd); } if (v > 0) { while (v > 0 && isspace(buf[v-1])) v--; buf[v] = '\0'; if (strcmp(buf, "raw") == 0) v = RAW; else if (strcmp(buf, "platform") == 0) v = PLATFORM; else if (strcmp(buf, "firmware") == 0) v = FIRMWARE; else v = NAMED; } else v = NAMED; /* Fallback to priority list of known iface for old kernels */ if (v == NAMED) { int i; for (i = 0; i < ARRAY_SIZE(known_interfaces); i++) { if (strcmp(de->d_name, known_interfaces[i]) == 0) break; } v += i; } if (v < *best_type) { char *copy; int max; /* XXX detect right backlight for multi-GPU/panels */ sna_output->backlight_iface = de->d_name; max = sna_output_backlight_get_max(output); sna_output->backlight_iface = NULL; if (max <= 0) continue; copy = strdup(de->d_name); if (copy) { free(best_iface); best_iface = copy; *best_type = v; } } } closedir(dir); return best_iface; } static void sna_output_backlight_init(xf86OutputPtr output) { struct sna_output *sna_output = output->driver_private; MessageType from = X_PROBED; char *best_iface; int best_type; best_type = INT_MAX; best_iface = has_user_backlight_override(output); if (best_iface) goto done; best_iface = has_device_backlight(output, &best_type); if (best_iface) goto done; best_iface = has_backlight(output, &best_type); if (best_iface) goto done; return; done: sna_output->backlight_iface = best_iface; sna_output->backlight_max = sna_output_backlight_get_max(output); sna_output->backlight_active_level = sna_output_backlight_get(output); switch (best_type) { case INT_MAX: best_iface = (char *)"user"; from = X_CONFIG; break; case FIRMWARE: best_iface = (char *)"firmware"; break; case PLATFORM: best_iface = (char *)"platform"; break; case RAW: best_iface = (char *)"raw"; break; default: best_iface = (char *)"unknown"; break; } xf86DrvMsg(output->scrn->scrnIndex, from, "found backlight control interface %s (type '%s')\n", sna_output->backlight_iface, best_iface); } #endif static DisplayModePtr mode_from_kmode(ScrnInfoPtr scrn, const struct drm_mode_modeinfo *kmode, DisplayModePtr mode) { DBG(("kmode: %s, clock=%d, %d %d %d %d %d, %d %d %d %d %d, flags=%x, type=%x\n", kmode->name, kmode->clock, kmode->hdisplay, kmode->hsync_start, kmode->hsync_end, kmode->htotal, kmode->hskew, kmode->vdisplay, kmode->vsync_start, kmode->vsync_end, kmode->vtotal, kmode->vscan, kmode->flags, kmode->type)); mode->status = MODE_OK; mode->Clock = kmode->clock; mode->HDisplay = kmode->hdisplay; mode->HSyncStart = kmode->hsync_start; mode->HSyncEnd = kmode->hsync_end; mode->HTotal = kmode->htotal; mode->HSkew = kmode->hskew; mode->VDisplay = kmode->vdisplay; mode->VSyncStart = kmode->vsync_start; mode->VSyncEnd = kmode->vsync_end; mode->VTotal = kmode->vtotal; mode->VScan = kmode->vscan; mode->Flags = kmode->flags; mode->name = strdup(kmode->name); if (kmode->type & DRM_MODE_TYPE_DRIVER) mode->type = M_T_DRIVER; if (kmode->type & DRM_MODE_TYPE_PREFERRED) mode->type |= M_T_PREFERRED; if (mode->status == MODE_OK && kmode->flags & ~KNOWN_MODE_FLAGS) mode->status = MODE_BAD; /* unknown flags => unhandled */ xf86SetModeCrtc(mode, scrn->adjustFlags); return mode; } static void mode_to_kmode(struct drm_mode_modeinfo *kmode, DisplayModePtr mode) { memset(kmode, 0, sizeof(*kmode)); kmode->clock = mode->Clock; kmode->hdisplay = mode->HDisplay; kmode->hsync_start = mode->HSyncStart; kmode->hsync_end = mode->HSyncEnd; kmode->htotal = mode->HTotal; kmode->hskew = mode->HSkew; kmode->vdisplay = mode->VDisplay; kmode->vsync_start = mode->VSyncStart; kmode->vsync_end = mode->VSyncEnd; kmode->vtotal = mode->VTotal; kmode->vscan = mode->VScan; kmode->flags = mode->Flags; if (mode->name) strncpy(kmode->name, mode->name, DRM_DISPLAY_MODE_LEN); kmode->name[DRM_DISPLAY_MODE_LEN-1] = 0; } static void sna_crtc_force_outputs_on(xf86CrtcPtr crtc) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn); int i; DBG(("%s(pipe=%d), currently? %d\n", __FUNCTION__, to_sna_crtc(crtc)->pipe, to_sna_crtc(crtc)->dpms_mode)); /* DPMS handling by the kernel is inconsistent, so after setting a * mode on an output presume that we intend for it to be on, or that * the kernel will force it on. * * So force DPMS to be on for all connected outputs, and restore * the backlight. */ for (i = 0; i < config->num_output; i++) { xf86OutputPtr output = config->output[i]; if (output->crtc != crtc) continue; output->funcs->dpms(output, DPMSModeOn); } to_sna_crtc(crtc)->dpms_mode = DPMSModeOn; #if XF86_CRTC_VERSION >= 3 crtc->active = TRUE; #endif } static void sna_crtc_force_outputs_off(xf86CrtcPtr crtc) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn); int i; DBG(("%s(pipe=%d), currently? %d\n", __FUNCTION__, to_sna_crtc(crtc)->pipe, to_sna_crtc(crtc)->dpms_mode)); /* DPMS handling by the kernel is inconsistent, so after setting a * mode on an output presume that we intend for it to be on, or that * the kernel will force it on. * * So force DPMS to be on for all connected outputs, and restore * the backlight. */ for (i = 0; i < config->num_output; i++) { xf86OutputPtr output = config->output[i]; if (output->crtc != crtc) continue; output->funcs->dpms(output, DPMSModeOff); } to_sna_crtc(crtc)->dpms_mode = DPMSModeOff; } static bool sna_crtc_apply(xf86CrtcPtr crtc) { struct sna *sna = to_sna(crtc->scrn); struct sna_crtc *sna_crtc = to_sna_crtc(crtc); xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn); struct drm_mode_crtc arg; uint32_t output_ids[16]; int output_count = 0; int i; DBG(("%s\n", __FUNCTION__)); assert(config->num_output < ARRAY_SIZE(output_ids)); for (i = 0; i < config->num_output; i++) { xf86OutputPtr output = config->output[i]; if (output->crtc != crtc) continue; assert(output->possible_crtcs & (1 << sna_crtc->pipe) || xf86IsEntityShared(crtc->scrn->entityList[0])); DBG(("%s: attaching output '%s' %d [%d] to crtc:%d (pipe %d) (possible crtc:%x, possible clones:%x)\n", __FUNCTION__, output->name, i, to_connector_id(output), sna_crtc->id, sna_crtc->pipe, (uint32_t)output->possible_crtcs, (uint32_t)output->possible_clones)); output_ids[output_count] = to_connector_id(output); output_count++; } VG_CLEAR(arg); arg.crtc_id = sna_crtc->id; arg.fb_id = fb_id(sna_crtc->bo); if (sna_crtc->transform) { arg.x = 0; arg.y = 0; } else { arg.x = crtc->x; arg.y = crtc->y; } arg.set_connectors_ptr = (uintptr_t)output_ids; arg.count_connectors = output_count; arg.mode = sna_crtc->kmode; arg.mode_valid = 1; DBG(("%s: applying crtc [%d, pipe=%d] mode=%dx%d+%d+%d@%d, fb=%d%s%s update to %d outputs [%d...]\n", __FUNCTION__, sna_crtc->id, sna_crtc->pipe, arg.mode.hdisplay, arg.mode.vdisplay, arg.x, arg.y, arg.mode.clock, arg.fb_id, sna_crtc->shadow ? " [shadow]" : "", sna_crtc->transform ? " [transformed]" : "", output_count, output_count ? output_ids[0] : 0)); if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_SETCRTC, &arg)) return false; sna_crtc_force_outputs_on(crtc); return true; } static bool sna_mode_enable_shadow(struct sna *sna) { ScreenPtr screen = sna->scrn->pScreen; DBG(("%s\n", __FUNCTION__)); assert(sna->mode.shadow == NULL); assert(sna->mode.shadow_damage == NULL); assert(sna->mode.shadow_active == 0); sna->mode.shadow_damage = DamageCreate(NULL, NULL, DamageReportNone, TRUE, screen, screen); if (!sna->mode.shadow_damage) return false; DamageRegister(&sna->front->drawable, sna->mode.shadow_damage); return true; } static void sna_mode_disable_shadow(struct sna *sna) { if (!sna->mode.shadow_damage) return; DBG(("%s\n", __FUNCTION__)); DamageUnregister(&sna->front->drawable, sna->mode.shadow_damage); DamageDestroy(sna->mode.shadow_damage); sna->mode.shadow_damage = NULL; if (sna->mode.shadow) { kgem_bo_destroy(&sna->kgem, sna->mode.shadow); sna->mode.shadow = NULL; } assert(sna->mode.shadow_active == 0); } static bool sna_crtc_enable_shadow(struct sna *sna, struct sna_crtc *crtc) { if (crtc->shadow) { assert(sna->mode.shadow_damage && sna->mode.shadow_active); return true; } DBG(("%s: enabling for crtc %d\n", __FUNCTION__, crtc->id)); if (!sna->mode.shadow_active) { if (!sna_mode_enable_shadow(sna)) return false; assert(sna->mode.shadow_damage); assert(sna->mode.shadow == NULL); } crtc->shadow = true; sna->mode.shadow_active++; return true; } static void sna_crtc_disable_shadow(struct sna *sna, struct sna_crtc *crtc) { crtc->fallback_shadow = false; if (!crtc->shadow) return; DBG(("%s: disabling for crtc %d\n", __FUNCTION__, crtc->id)); assert(sna->mode.shadow_active > 0); if (!--sna->mode.shadow_active) sna_mode_disable_shadow(sna); if (crtc->shadow_bo) { kgem_bo_destroy(&sna->kgem, crtc->shadow_bo); crtc->shadow_bo = NULL; } crtc->shadow = false; } static void sna_crtc_disable(xf86CrtcPtr crtc) { struct sna *sna = to_sna(crtc->scrn); struct sna_crtc *sna_crtc = to_sna_crtc(crtc); struct drm_mode_crtc arg; if (sna_crtc == NULL) return; DBG(("%s: disabling crtc [%d, pipe=%d]\n", __FUNCTION__, sna_crtc->id, sna_crtc->pipe)); sna_crtc_force_outputs_off(crtc); memset(&arg, 0, sizeof(arg)); arg.crtc_id = sna_crtc->id; (void)drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_SETCRTC, &arg); sna_crtc_disable_shadow(sna, sna_crtc); if (sna_crtc->bo) { kgem_bo_destroy(&sna->kgem, sna_crtc->bo); sna_crtc->bo = NULL; } } static void update_flush_interval(struct sna *sna) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(sna->scrn); int i, max_vrefresh = 0; for (i = 0; i < config->num_crtc; i++) { xf86CrtcPtr crtc = config->crtc[i]; if (to_sna_crtc(crtc) == NULL) continue; if (!crtc->enabled) { DBG(("%s: CRTC:%d (pipe %d) disabled\n", __FUNCTION__,i, to_sna_crtc(crtc)->pipe)); continue; } if (to_sna_crtc(crtc)->dpms_mode != DPMSModeOn) { DBG(("%s: CRTC:%d (pipe %d) turned off\n", __FUNCTION__,i, to_sna_crtc(crtc)->pipe)); continue; } DBG(("%s: CRTC:%d (pipe %d) vrefresh=%f\n", __FUNCTION__, i, to_sna_crtc(crtc)->pipe, xf86ModeVRefresh(&crtc->mode))); max_vrefresh = max(max_vrefresh, xf86ModeVRefresh(&crtc->mode)); } if (max_vrefresh == 0) sna->vblank_interval = 0; else sna->vblank_interval = 1000 / max_vrefresh; /* Hz -> ms */ DBG(("max_vrefresh=%d, vblank_interval=%d ms\n", max_vrefresh, sna->vblank_interval)); } static struct kgem_bo *sna_create_bo_for_fbcon(struct sna *sna, const struct drm_mode_fb_cmd *fbcon) { struct drm_gem_flink flink; struct kgem_bo *bo; int ret; /* Create a new reference for the fbcon so that we can track it * using a normal bo and so that when we call gem_close on it we * delete our reference and not fbcon's! */ VG_CLEAR(flink); flink.handle = fbcon->handle; ret = drmIoctl(sna->kgem.fd, DRM_IOCTL_GEM_FLINK, &flink); if (ret) return NULL; bo = kgem_create_for_name(&sna->kgem, flink.name); if (bo == NULL) return NULL; bo->pitch = fbcon->pitch; return bo; } /* Copy the current framebuffer contents into the front-buffer for a seamless * transition from e.g. plymouth. */ void sna_copy_fbcon(struct sna *sna) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(sna->scrn); struct drm_mode_fb_cmd fbcon; PixmapRec scratch; struct sna_pixmap *priv; struct kgem_bo *bo; BoxRec box; bool ok; int sx, sy; int dx, dy; int i; if (wedged(sna)) return; DBG(("%s\n", __FUNCTION__)); assert((sna->flags & SNA_IS_HOSTED) == 0); priv = sna_pixmap(sna->front); assert(priv && priv->gpu_bo); /* Scan the connectors for a framebuffer and assume that is the fbcon */ VG_CLEAR(fbcon); fbcon.fb_id = 0; for (i = 0; i < config->num_crtc; i++) { struct sna_crtc *crtc = to_sna_crtc(config->crtc[i]); struct drm_mode_crtc mode; if (!crtc) continue; VG_CLEAR(mode); mode.crtc_id = crtc->id; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETCRTC, &mode)) continue; if (!mode.fb_id) continue; fbcon.fb_id = mode.fb_id; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETFB, &fbcon)) { fbcon.fb_id = 0; continue; } break; } if (fbcon.fb_id == 0) { DBG(("%s: no fbcon found\n", __FUNCTION__)); return; } if (fbcon.fb_id == priv->gpu_bo->delta) { DBG(("%s: fb already installed as scanout\n", __FUNCTION__)); return; } DBG(("%s: found fbcon, size=%dx%d, depth=%d, bpp=%d\n", __FUNCTION__, fbcon.width, fbcon.height, fbcon.depth, fbcon.bpp)); bo = sna_create_bo_for_fbcon(sna, &fbcon); if (bo == NULL) return; DBG(("%s: fbcon handle=%d\n", __FUNCTION__, bo->handle)); scratch.drawable.width = fbcon.width; scratch.drawable.height = fbcon.height; scratch.drawable.depth = fbcon.depth; scratch.drawable.bitsPerPixel = fbcon.bpp; scratch.devPrivate.ptr = NULL; box.x1 = box.y1 = 0; box.x2 = min(fbcon.width, sna->front->drawable.width); box.y2 = min(fbcon.height, sna->front->drawable.height); sx = dx = 0; if (box.x2 < (uint16_t)fbcon.width) sx = (fbcon.width - box.x2) / 2; if (box.x2 < sna->front->drawable.width) dx = (sna->front->drawable.width - box.x2) / 2; sy = dy = 0; if (box.y2 < (uint16_t)fbcon.height) sy = (fbcon.height - box.y2) / 2; if (box.y2 < sna->front->drawable.height) dy = (sna->front->drawable.height - box.y2) / 2; ok = sna->render.copy_boxes(sna, GXcopy, &scratch, bo, sx, sy, sna->front, priv->gpu_bo, dx, dy, &box, 1, 0); if (!DAMAGE_IS_ALL(priv->gpu_damage)) sna_damage_add_box(&priv->gpu_damage, &box); kgem_bo_destroy(&sna->kgem, bo); #if ABI_VIDEODRV_VERSION >= SET_ABI_VERSION(10, 0) sna->scrn->pScreen->canDoBGNoneRoot = ok; #endif } static bool use_shadow(struct sna *sna, xf86CrtcPtr crtc) { RRTransformPtr transform; PictTransform crtc_to_fb; struct pict_f_transform f_crtc_to_fb, f_fb_to_crtc; unsigned long pitch_limit; struct sna_pixmap *priv; BoxRec b; assert(sna->scrn->virtualX && sna->scrn->virtualY); if (sna->flags & SNA_FORCE_SHADOW) { DBG(("%s: forcing shadow\n", __FUNCTION__)); return true; } if (to_sna_crtc(crtc)->fallback_shadow) { DBG(("%s: fallback shadow\n", __FUNCTION__)); return true; } if (sna->scrn->virtualX > sna->mode.kmode->max_width || sna->scrn->virtualY > sna->mode.kmode->max_height) { DBG(("%s: framebuffer too large (%dx%d) > (%dx%d)\n", __FUNCTION__, sna->scrn->virtualX, sna->scrn->virtualY, sna->mode.kmode->max_width, sna->mode.kmode->max_height)); return true; } priv = sna_pixmap_force_to_gpu(sna->front, MOVE_READ | MOVE_WRITE); if (priv == NULL) return true; /* maybe we can create a bo for the scanout? */ if (sna->kgem.gen == 071) pitch_limit = priv->gpu_bo->tiling ? 16 * 1024 : 32 * 1024; else if ((sna->kgem.gen >> 3) > 4) pitch_limit = 32 * 1024; else if ((sna->kgem.gen >> 3) == 4) pitch_limit = priv->gpu_bo->tiling ? 16 * 1024 : 32 * 1024; else if ((sna->kgem.gen >> 3) == 3) pitch_limit = priv->gpu_bo->tiling ? 8 * 1024 : 16 * 1024; else pitch_limit = 8 * 1024; if (priv->gpu_bo->pitch > pitch_limit) return true; transform = NULL; if (crtc->transformPresent) transform = &crtc->transform; if (RRTransformCompute(crtc->x, crtc->y, crtc->mode.HDisplay, crtc->mode.VDisplay, crtc->rotation, transform, &crtc_to_fb, &f_crtc_to_fb, &f_fb_to_crtc)) { DBG(("%s: RandR transform present\n", __FUNCTION__)); return true; } /* And finally check that it is entirely visible */ b.x1 = b.y1 = 0; b.x2 = crtc->mode.HDisplay; b.y2 = crtc->mode.VDisplay; pixman_f_transform_bounds(&f_crtc_to_fb, &b); DBG(("%s? bounds (%d, %d), (%d, %d), framebufer %dx%d\n", __FUNCTION__, b.x1, b.y1, b.x2, b.y2, sna->scrn->virtualX, sna->scrn->virtualY)); if (b.x1 < 0 || b.y1 < 0 || b.x2 > sna->scrn->virtualX || b.y2 > sna->scrn->virtualY) { DBG(("%s: scanout is partly outside the framebuffer\n", __FUNCTION__)); return true; } return false; } static struct kgem_bo *sna_crtc_attach(xf86CrtcPtr crtc) { struct sna_crtc *sna_crtc = to_sna_crtc(crtc); ScrnInfoPtr scrn = crtc->scrn; struct sna *sna = to_sna(scrn); struct kgem_bo *bo; sna_crtc->transform = false; if (sna_crtc->scanout_pixmap) { DBG(("%s: attaching to scanout pixmap\n", __FUNCTION__)); bo = sna_pixmap_pin(sna_crtc->scanout_pixmap, PIN_SCANOUT); if (bo == NULL) return NULL; if (!get_fb(sna, bo, sna_crtc->scanout_pixmap->drawable.width, sna_crtc->scanout_pixmap->drawable.height)) return NULL; sna_crtc->transform = true; return kgem_bo_reference(bo); } else if (use_shadow(sna, crtc)) { unsigned long tiled_limit; int tiling; if (!sna_crtc_enable_shadow(sna, sna_crtc)) return NULL; DBG(("%s: attaching to per-crtc pixmap %dx%d\n", __FUNCTION__, crtc->mode.HDisplay, crtc->mode.VDisplay)); tiling = I915_TILING_X; if (sna->kgem.gen == 071) tiled_limit = 16 * 1024 * 8; else if ((sna->kgem.gen >> 3) > 4) tiled_limit = 32 * 1024 * 8; else if ((sna->kgem.gen >> 3) == 4) tiled_limit = 16 * 1024 * 8; else tiled_limit = 8 * 1024 * 8; if ((unsigned long)crtc->mode.HDisplay * scrn->bitsPerPixel > tiled_limit) tiling = I915_TILING_NONE; bo = kgem_create_2d(&sna->kgem, crtc->mode.HDisplay, crtc->mode.VDisplay, scrn->bitsPerPixel, tiling, CREATE_SCANOUT); if (bo == NULL) return NULL; if (!get_fb(sna, bo, crtc->mode.HDisplay, crtc->mode.VDisplay)) { kgem_bo_destroy(&sna->kgem, bo); return NULL; } sna_crtc->transform = true; return bo; } else if (sna->flags & SNA_TEAR_FREE) { DBG(("%s: tear-free updates requested\n", __FUNCTION__)); if (!sna_crtc_enable_shadow(sna, sna_crtc)) return NULL; DBG(("%s: attaching to single shadow pixmap\n", __FUNCTION__)); if (sna->mode.shadow == NULL) { bo = kgem_create_2d(&sna->kgem, sna->scrn->virtualX, sna->scrn->virtualY, scrn->bitsPerPixel, I915_TILING_X, CREATE_SCANOUT); if (bo == NULL) return NULL; if (!get_fb(sna, bo, sna->scrn->virtualX, sna->scrn->virtualY)) { kgem_bo_destroy(&sna->kgem, bo); return NULL; } sna->mode.shadow = bo; } return kgem_bo_reference(sna->mode.shadow); } else { DBG(("%s: attaching to framebuffer\n", __FUNCTION__)); sna_crtc_disable_shadow(sna, sna_crtc); bo = sna_pixmap_pin(sna->front, PIN_SCANOUT); if (bo == NULL) return NULL; if (!get_fb(sna, bo, scrn->virtualX, scrn->virtualY)) return NULL; assert(!sna_crtc->shadow); return kgem_bo_reference(bo); } } static void sna_crtc_randr(xf86CrtcPtr crtc) { struct sna_crtc *sna_crtc = to_sna_crtc(crtc); struct pict_f_transform f_crtc_to_fb, f_fb_to_crtc; PictTransform crtc_to_fb; PictFilterPtr filter; xFixed *params; int nparams; RRTransformPtr transform; transform = NULL; if (crtc->transformPresent) transform = &crtc->transform; RRTransformCompute(crtc->x, crtc->y, crtc->mode.HDisplay, crtc->mode.VDisplay, crtc->rotation, transform, &crtc_to_fb, &f_crtc_to_fb, &f_fb_to_crtc); filter = NULL; params = NULL; nparams = 0; if (sna_crtc->transform) { #ifdef RANDR_12_INTERFACE if (transform) { if (transform->nparams) { params = malloc(transform->nparams * sizeof(xFixed)); if (params) { memcpy(params, transform->params, transform->nparams * sizeof(xFixed)); nparams = transform->nparams; filter = transform->filter; } } else filter = transform->filter; } #endif crtc->transform_in_use = TRUE; } else crtc->transform_in_use = FALSE; crtc->crtc_to_framebuffer = crtc_to_fb; crtc->f_crtc_to_framebuffer = f_crtc_to_fb; crtc->f_framebuffer_to_crtc = f_fb_to_crtc; free(crtc->params); crtc->params = params; crtc->nparams = nparams; crtc->filter = filter; if (filter) { crtc->filter_width = filter->width; crtc->filter_height = filter->height; } else { crtc->filter_width = 0; crtc->filter_height = 0; } crtc->bounds.x1 = 0; crtc->bounds.x2 = crtc->mode.HDisplay; crtc->bounds.y1 = 0; crtc->bounds.y2 = crtc->mode.VDisplay; pixman_f_transform_bounds(&f_crtc_to_fb, &crtc->bounds); DBG(("%s: transform? %d, bounds (%d, %d), (%d, %d)\n", __FUNCTION__, crtc->transform_in_use, crtc->bounds.x1, crtc->bounds.y1, crtc->bounds.x2, crtc->bounds.y2)); } static void sna_crtc_damage(xf86CrtcPtr crtc) { ScreenPtr screen = crtc->scrn->pScreen; struct sna *sna = to_sna(crtc->scrn); RegionRec region, *damage; region.extents = crtc->bounds; region.data = NULL; if (region.extents.x1 < 0) region.extents.x1 = 0; if (region.extents.y1 < 0) region.extents.y1 = 0; if (region.extents.x2 > screen->width) region.extents.x2 = screen->width; if (region.extents.y2 > screen->height) region.extents.y2 = screen->height; DBG(("%s: marking crtc %d as completely damaged (%d, %d), (%d, %d)\n", __FUNCTION__, to_sna_crtc(crtc)->id, region.extents.x1, region.extents.y1, region.extents.x2, region.extents.y2)); assert(sna->mode.shadow_damage && sna->mode.shadow_active); damage = DamageRegion(sna->mode.shadow_damage); RegionUnion(damage, damage, ®ion); } static char *outputs_for_crtc(xf86CrtcPtr crtc, char *outputs, int max) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn); int len, i; for (i = len = 0; i < config->num_output; i++) { xf86OutputPtr output = config->output[i]; if (output->crtc != crtc) continue; len += snprintf(outputs+len, max-len, "%s, ", output->name); } assert(len >= 2); outputs[len-2] = '\0'; return outputs; } static const char *rotation_to_str(Rotation rotation) { switch (rotation) { case RR_Rotate_0: return "normal"; case RR_Rotate_90: return "right"; case RR_Rotate_180: return "inverted"; case RR_Rotate_270: return "left"; default: return "unknown"; } } static Bool sna_crtc_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation, int x, int y) { ScrnInfoPtr scrn = crtc->scrn; struct sna *sna = to_sna(scrn); struct sna_crtc *sna_crtc = to_sna_crtc(crtc); struct kgem_bo *saved_bo, *bo; struct drm_mode_modeinfo saved_kmode; bool saved_transform; char outputs[256]; if (mode->HDisplay == 0 || mode->VDisplay == 0) return FALSE; xf86DrvMsg(crtc->scrn->scrnIndex, X_INFO, "switch to mode %dx%d@%.1f on pipe %d using %s, position (%d, %d), rotation %s\n", mode->HDisplay, mode->VDisplay, xf86ModeVRefresh(mode), sna_crtc->pipe, outputs_for_crtc(crtc, outputs, sizeof(outputs)), x, y, rotation_to_str(rotation)); assert(mode->HDisplay <= sna->mode.kmode->max_width && mode->VDisplay <= sna->mode.kmode->max_height); #if HAS_GAMMA drmModeCrtcSetGamma(sna->kgem.fd, sna_crtc->id, crtc->gamma_size, crtc->gamma_red, crtc->gamma_green, crtc->gamma_blue); #endif saved_kmode = sna_crtc->kmode; saved_bo = sna_crtc->bo; saved_transform = sna_crtc->transform; sna_crtc->fallback_shadow = false; retry: /* Attach per-crtc pixmap or direct */ bo = sna_crtc_attach(crtc); if (bo == NULL) return FALSE; kgem_bo_submit(&sna->kgem, bo); sna_crtc->bo = bo; mode_to_kmode(&sna_crtc->kmode, mode); if (!sna_crtc_apply(crtc)) { kgem_bo_destroy(&sna->kgem, bo); if (!sna_crtc->shadow) { sna_crtc->fallback_shadow = true; goto retry; } xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR, "failed to set mode: %s\n", strerror(errno)); sna_crtc->transform = saved_transform; sna_crtc->bo = saved_bo; sna_crtc->kmode = saved_kmode; return FALSE; } if (saved_bo) kgem_bo_destroy(&sna->kgem, saved_bo); sna_crtc_randr(crtc); if (sna_crtc->shadow) sna_crtc_damage(crtc); if (scrn->pScreen) xf86_reload_cursors(scrn->pScreen); return TRUE; } static void sna_crtc_dpms(xf86CrtcPtr crtc, int mode) { struct sna_crtc *priv = to_sna_crtc(crtc); DBG(("%s(pipe %d, dpms mode -> %d):= active=%d\n", __FUNCTION__, priv->pipe, mode, mode == DPMSModeOn)); if (priv->dpms_mode == mode) return; if (mode == DPMSModeOn) { if (priv->bo == NULL && !sna_crtc_set_mode_major(crtc, &crtc->mode, crtc->rotation, crtc->x, crtc->y)) sna_crtc_disable(crtc); } else sna_crtc_disable(crtc); if (priv->bo != NULL) { priv->dpms_mode = mode; update_flush_interval(to_sna(crtc->scrn)); } } void sna_mode_adjust_frame(struct sna *sna, int x, int y) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(sna->scrn); xf86CrtcPtr crtc; if ((unsigned)config->compat_output >= config->num_output) return; crtc = config->output[config->compat_output]->crtc; if (crtc && crtc->enabled) { int saved_x = crtc->x; int saved_y = crtc->y; crtc->x = x; crtc->y = y; if (!sna_crtc_set_mode_major(crtc, &crtc->mode, crtc->rotation, x, y)) { crtc->x = saved_x; crtc->y = saved_y; } } } static void sna_crtc_hide_cursor(xf86CrtcPtr crtc) { struct sna_crtc *sna_crtc = to_sna_crtc(crtc); struct drm_mode_cursor arg; __DBG(("%s: CRTC:%d\n", __FUNCTION__, sna_crtc->id)); VG_CLEAR(arg); arg.flags = DRM_MODE_CURSOR_BO; arg.crtc_id = sna_crtc->id; arg.width = arg.height = 64; arg.handle = 0; (void)drmIoctl(to_sna(crtc->scrn)->kgem.fd, DRM_IOCTL_MODE_CURSOR, &arg); } static void sna_crtc_show_cursor(xf86CrtcPtr crtc) { struct sna_crtc *sna_crtc = to_sna_crtc(crtc); struct drm_mode_cursor arg; __DBG(("%s: CRTC:%d\n", __FUNCTION__, sna_crtc->id)); VG_CLEAR(arg); arg.flags = DRM_MODE_CURSOR_BO; arg.crtc_id = sna_crtc->id; arg.width = arg.height = 64; arg.handle = sna_crtc->cursor; (void)drmIoctl(to_sna(crtc->scrn)->kgem.fd, DRM_IOCTL_MODE_CURSOR, &arg); } static void sna_crtc_set_cursor_colors(xf86CrtcPtr crtc, int bg, int fg) { __DBG(("%s: CRTC:%d (bg=%x, fg=%x)\n", __FUNCTION__, to_sna_crtc(crtc)->id, bg, fg)); } static void sna_crtc_set_cursor_position(xf86CrtcPtr crtc, int x, int y) { struct sna_crtc *sna_crtc = to_sna_crtc(crtc); struct drm_mode_cursor arg; __DBG(("%s: CRTC:%d (%d, %d)\n", __FUNCTION__, sna_crtc->id, x, y)); VG_CLEAR(arg); arg.flags = DRM_MODE_CURSOR_MOVE; arg.crtc_id = sna_crtc->id; arg.x = x; arg.y = y; arg.handle = sna_crtc->cursor; (void)drmIoctl(to_sna(crtc->scrn)->kgem.fd, DRM_IOCTL_MODE_CURSOR, &arg); } static void sna_crtc_load_cursor_argb(xf86CrtcPtr crtc, CARD32 *image) { struct drm_i915_gem_pwrite pwrite; __DBG(("%s: CRTC:%d\n", __FUNCTION__, to_sna_crtc(crtc)->id)); VG_CLEAR(pwrite); pwrite.handle = to_sna_crtc(crtc)->cursor; pwrite.offset = 0; pwrite.size = 64*64*4; pwrite.data_ptr = (uintptr_t)image; (void)drmIoctl(to_sna(crtc->scrn)->kgem.fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite); } static void sna_crtc_gamma_set(xf86CrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue, int size) { drmModeCrtcSetGamma(to_sna(crtc->scrn)->kgem.fd, to_sna_crtc(crtc)->id, size, red, green, blue); } static void sna_crtc_destroy(xf86CrtcPtr crtc) { struct sna_crtc *sna_crtc = to_sna_crtc(crtc); if (sna_crtc == NULL) return; sna_crtc_hide_cursor(crtc); gem_close(to_sna(crtc->scrn)->kgem.fd, sna_crtc->cursor); free(sna_crtc); crtc->driver_private = NULL; } #if HAS_PIXMAP_SHARING static Bool sna_crtc_set_scanout_pixmap(xf86CrtcPtr crtc, PixmapPtr pixmap) { DBG(("%s: CRTC:%d, pipe=%d setting scanout pixmap=%ld\n", __FUNCTION__,to_sna_crtc(crtc)->id, to_sna_crtc(crtc)->pipe, pixmap ? pixmap->drawable.serialNumber : 0)); to_sna_crtc(crtc)->scanout_pixmap = pixmap; return TRUE; } #endif static const xf86CrtcFuncsRec sna_crtc_funcs = { #if XF86_CRTC_VERSION >= 1 .dpms = sna_crtc_dpms, #endif .set_mode_major = sna_crtc_set_mode_major, .set_cursor_colors = sna_crtc_set_cursor_colors, .set_cursor_position = sna_crtc_set_cursor_position, .show_cursor = sna_crtc_show_cursor, .hide_cursor = sna_crtc_hide_cursor, .load_cursor_argb = sna_crtc_load_cursor_argb, .gamma_set = sna_crtc_gamma_set, .destroy = sna_crtc_destroy, #if HAS_PIXMAP_SHARING .set_scanout_pixmap = sna_crtc_set_scanout_pixmap, #endif }; static int sna_crtc_find_plane(struct sna *sna, int pipe) { #ifdef DRM_IOCTL_MODE_GETPLANERESOURCES struct drm_mode_get_plane_res r; uint32_t *planes, id = 0; int i; VG_CLEAR(r); r.count_planes = 0; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETPLANERESOURCES, &r)) return 0; if (!r.count_planes) return 0; planes = malloc(sizeof(uint32_t)*r.count_planes); if (planes == NULL) return 0; r.plane_id_ptr = (uintptr_t)planes; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETPLANERESOURCES, &r)) r.count_planes = 0; for (i = 0; i < r.count_planes; i++) { struct drm_mode_get_plane p; VG_CLEAR(p); p.plane_id = planes[i]; p.count_format_types = 0; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETPLANE, &p) == 0) { if (p.possible_crtcs & (1 << pipe)) { id = p.plane_id; break; } } } free(planes); assert(id); return id; #else return 0; #endif } static bool sna_crtc_init(ScrnInfoPtr scrn, struct sna_mode *mode, int num) { struct sna *sna = to_sna(scrn); xf86CrtcPtr crtc; struct sna_crtc *sna_crtc; struct drm_i915_get_pipe_from_crtc_id get_pipe; DBG(("%s\n", __FUNCTION__)); sna_crtc = calloc(sizeof(struct sna_crtc), 1); if (sna_crtc == NULL) return false; sna_crtc->id = mode->kmode->crtcs[num]; sna_crtc->dpms_mode = DPMSModeOff; VG_CLEAR(get_pipe); get_pipe.pipe = 0; get_pipe.crtc_id = sna_crtc->id; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID, &get_pipe)) { free(sna_crtc); return false; } sna_crtc->pipe = get_pipe.pipe; sna_crtc->plane = sna_crtc_find_plane(sna, sna_crtc->pipe); if (xf86IsEntityShared(scrn->entityList[0]) && scrn->confScreen->device->screen != sna_crtc->pipe) { free(sna_crtc); return true; } crtc = xf86CrtcCreate(scrn, &sna_crtc_funcs); if (crtc == NULL) { free(sna_crtc); return false; } sna_crtc->cursor = gem_create(sna->kgem.fd, 64*64*4); if (!sna_crtc->cursor) { xf86CrtcDestroy(crtc); free(sna_crtc); return false; } DBG(("%s: created handle=%d for cursor on CRTC:%d\n", __FUNCTION__, sna_crtc->cursor, sna_crtc->id)); crtc->driver_private = sna_crtc; DBG(("%s: attached crtc[%d] id=%d, pipe=%d\n", __FUNCTION__, num, sna_crtc->id, sna_crtc->pipe)); return true; } static bool is_panel(int type) { return (type == DRM_MODE_CONNECTOR_LVDS || type == DRM_MODE_CONNECTOR_eDP); } static int find_property(struct sna *sna, struct sna_output *output, const char *name) { struct drm_mode_get_property prop; int i; VG_CLEAR(prop); for (i = 0; i < output->num_props; i++) { prop.prop_id = output->prop_ids[i]; prop.count_values = 0; prop.count_enum_blobs = 0; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETPROPERTY, &prop)) continue; if (strcmp(prop.name, name) == 0) return i; } return -1; } static int find_property_id(struct sna *sna, struct sna_output *output, const char *name) { int idx = find_property(sna, output, name); return idx != -1 ? output->prop_ids[idx] : 0; } static xf86OutputStatus sna_output_detect(xf86OutputPtr output) { struct sna *sna = to_sna(output->scrn); struct sna_output *sna_output = output->driver_private; union compat_mode_get_connector compat_conn; DBG(("%s(%s)\n", __FUNCTION__, output->name)); VG_CLEAR(compat_conn); compat_conn.conn.connector_id = sna_output->id; sna_output->num_modes = compat_conn.conn.count_modes = 0; /* reprobe */ compat_conn.conn.count_encoders = 0; compat_conn.conn.count_props = sna_output->num_props; compat_conn.conn.props_ptr = (uintptr_t)sna_output->prop_ids; compat_conn.conn.prop_values_ptr = (uintptr_t)sna_output->prop_values; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETCONNECTOR, &compat_conn.conn)) return XF86OutputStatusUnknown; DBG(("%s(%s): num modes %d -> %d, num props %d -> %d\n", __FUNCTION__, output->name, sna_output->num_modes, compat_conn.conn.count_modes, sna_output->num_props, compat_conn.conn.count_props)); assert(compat_conn.conn.count_props == sna_output->num_props); while (compat_conn.conn.count_modes && compat_conn.conn.count_modes != sna_output->num_modes) { struct drm_mode_modeinfo *new_modes; int old_count; old_count = sna_output->num_modes; new_modes = realloc(sna_output->modes, sizeof(*sna_output->modes)*compat_conn.conn.count_modes); if (new_modes == NULL) break; sna_output->modes = new_modes; sna_output->num_modes = compat_conn.conn.count_modes; compat_conn.conn.modes_ptr = (uintptr_t)sna_output->modes; compat_conn.conn.count_encoders = 0; compat_conn.conn.count_props = 0; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETCONNECTOR, &compat_conn.conn)) { sna_output->num_modes = min(old_count, sna_output->num_modes); break; } } DBG(("%s(%s): found %d modes, connection status=%d\n", __FUNCTION__, output->name, sna_output->num_modes, compat_conn.conn.connection)); switch (compat_conn.conn.connection) { case DRM_MODE_CONNECTED: return XF86OutputStatusConnected; case DRM_MODE_DISCONNECTED: return XF86OutputStatusDisconnected; default: case DRM_MODE_UNKNOWNCONNECTION: return XF86OutputStatusUnknown; } } static Bool sna_output_mode_valid(xf86OutputPtr output, DisplayModePtr mode) { struct sna_output *sna_output = output->driver_private; struct sna *sna = to_sna(output->scrn); if (mode->HDisplay > sna->mode.kmode->max_width) return MODE_VIRTUAL_X; if (mode->VDisplay > sna->mode.kmode->max_height) return MODE_VIRTUAL_Y; /* Check that we can successfully pin this into the global GTT */ if ((kgem_can_create_2d(&sna->kgem, mode->HDisplay, mode->VDisplay, sna->scrn->bitsPerPixel) & KGEM_CAN_CREATE_GTT) == 0) return MODE_MEM_VIRT; /* * If the connector type is a panel, we will use the panel limit to * verfiy whether the mode is valid. */ if (sna_output->has_panel_limits) { if (mode->HDisplay > sna_output->panel_hdisplay || mode->VDisplay > sna_output->panel_vdisplay) return MODE_PANEL; } return MODE_OK; } static void sna_output_attach_edid(xf86OutputPtr output) { struct sna *sna = to_sna(output->scrn); struct sna_output *sna_output = output->driver_private; struct drm_mode_get_blob blob; void *old, *raw = NULL; xf86MonPtr mon = NULL; if (sna_output->edid_idx == -1) return; raw = sna_output->edid_raw; blob.length = sna_output->edid_len; if (blob.length && output->MonInfo) { old = alloca(blob.length); memcpy(old, raw, blob.length); } else old = NULL; blob.blob_id = sna_output->prop_values[sna_output->edid_idx]; DBG(("%s: attaching EDID id=%d, current=%d\n", __FUNCTION__, blob.blob_id, sna_output->edid_blob_id)); if (blob.blob_id == sna_output->edid_blob_id && 0) { /* sigh */ if (output->MonInfo) { /* XXX the property keeps on disappearing... */ RRChangeOutputProperty(output->randr_output, MakeAtom("EDID", strlen("EDID"), TRUE), XA_INTEGER, 8, PropModeReplace, sna_output->edid_len, sna_output->edid_raw, FALSE, FALSE); return; } goto skip_read; } blob.data = (uintptr_t)raw; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETPROPBLOB, &blob)) goto done; DBG(("%s: retrieving blob id=%d, length=%d\n", __FUNCTION__, blob.blob_id, blob.length)); if (blob.length > sna_output->edid_len) { raw = realloc(raw, blob.length); if (raw == NULL) goto done; VG(memset(raw, 0, blob.length)); blob.data = (uintptr_t)raw; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETPROPBLOB, &blob)) goto done; } if (old && blob.length == sna_output->edid_len && memcmp(old, raw, blob.length) == 0) { assert(sna_output->edid_raw == raw); sna_output->edid_blob_id = blob.blob_id; RRChangeOutputProperty(output->randr_output, MakeAtom("EDID", strlen("EDID"), TRUE), XA_INTEGER, 8, PropModeReplace, sna_output->edid_len, sna_output->edid_raw, FALSE, FALSE); return; } skip_read: if (raw) { mon = xf86InterpretEDID(output->scrn->scrnIndex, raw); if (mon && blob.length > 128) mon->flags |= MONITOR_EDID_COMPLETE_RAWDATA; } done: xf86OutputSetEDID(output, mon); if (raw) { sna_output->edid_raw = raw; sna_output->edid_len = blob.length; sna_output->edid_blob_id = blob.blob_id; } } static DisplayModePtr default_modes(void) { #if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,6,99,900,0) return xf86GetDefaultModes(); #else return xf86GetDefaultModes(0, 0); #endif } static DisplayModePtr sna_output_panel_edid(xf86OutputPtr output, DisplayModePtr modes) { xf86MonPtr mon = output->MonInfo; DisplayModePtr i, m, preferred = NULL; int max_x = 0, max_y = 0; float max_vrefresh = 0.0; if (mon && GTF_SUPPORTED(mon->features.msc)) return modes; for (m = modes; m; m = m->next) { if (m->type & M_T_PREFERRED) preferred = m; max_x = max(max_x, m->HDisplay); max_y = max(max_y, m->VDisplay); max_vrefresh = max(max_vrefresh, xf86ModeVRefresh(m)); } max_vrefresh = max(max_vrefresh, 60.0); max_vrefresh *= (1 + SYNC_TOLERANCE); m = default_modes(); xf86ValidateModesSize(output->scrn, m, max_x, max_y, 0); for (i = m; i; i = i->next) { if (xf86ModeVRefresh(i) > max_vrefresh) i->status = MODE_VSYNC; if (preferred && i->HDisplay >= preferred->HDisplay && i->VDisplay >= preferred->VDisplay && xf86ModeVRefresh(i) >= xf86ModeVRefresh(preferred)) i->status = MODE_PANEL; } xf86PruneInvalidModes(output->scrn, &m, FALSE); return xf86ModesAdd(modes, m); } static int _canonical_mode_name(DisplayModePtr mode, char *str) { return sprintf(str, "%dx%d%s", mode->HDisplay, mode->VDisplay, mode->Flags & V_INTERLACE ? "i" : ""); } static char *canonical_mode_name(DisplayModePtr mode) { char *str; int len; len = _canonical_mode_name(mode, NULL); if (len < 0) return NULL; str = malloc(len + 1); if (str != NULL) _canonical_mode_name(mode, str); return str; } static DisplayModePtr sna_output_get_modes(xf86OutputPtr output) { struct sna_output *sna_output = output->driver_private; DisplayModePtr Modes = NULL, Mode, current = NULL; int i; DBG(("%s(%s)\n", __FUNCTION__, output->name)); sna_output_attach_edid(output); if (output->crtc) { struct drm_mode_crtc mode; VG_CLEAR(mode); mode.crtc_id = to_sna_crtc(output->crtc)->id; if (drmIoctl(to_sna(output->scrn)->kgem.fd, DRM_IOCTL_MODE_GETCRTC, &mode) == 0) { DBG(("%s: CRTC:%d, pipe=%d: has mode?=%d\n", __FUNCTION__, to_sna_crtc(output->crtc)->id, to_sna_crtc(output->crtc)->pipe, mode.mode_valid && mode.mode.clock)); if (mode.mode_valid && mode.mode.clock) { current = calloc(1, sizeof(DisplayModeRec)); if (current) { mode_from_kmode(output->scrn, &mode.mode, current); Modes = xf86ModesAdd(Modes, current); } } } } DBG(("%s: adding %d probed modes\n", __FUNCTION__, sna_output->num_modes)); Mode = NULL; for (i = 0; i < sna_output->num_modes; i++) { if (Mode == NULL) Mode = calloc(1, sizeof(DisplayModeRec)); if (Mode) { Mode = mode_from_kmode(output->scrn, &sna_output->modes[i], Mode); if (!current || !xf86ModesEqual(Mode, current)) { Modes = xf86ModesAdd(Modes, Mode); Mode = NULL; } else { current->name = strdup(Mode->name); current->type = Mode->type; } } } free(Mode); if (current && (current->name == NULL || *current->name == '\0')) { char *str = canonical_mode_name(current); if (str) { free(current->name); current->name = str; } } /* * If the connector type is a panel, we will traverse the kernel mode to * get the panel limit. And then add all the standard modes to fake * the fullscreen experience. * If it is incorrect, please fix me. */ sna_output->has_panel_limits = false; if (sna_output->is_panel) { sna_output->panel_hdisplay = sna_output->panel_vdisplay = 0; for (i = 0; i < sna_output->num_modes; i++) { struct drm_mode_modeinfo *m; m = &sna_output->modes[i]; if (m->hdisplay > sna_output->panel_hdisplay) sna_output->panel_hdisplay = m->hdisplay; if (m->vdisplay > sna_output->panel_vdisplay) sna_output->panel_vdisplay = m->vdisplay; } sna_output->has_panel_limits = sna_output->panel_hdisplay && sna_output->panel_vdisplay; Modes = sna_output_panel_edid(output, Modes); } return Modes; } static void sna_output_destroy(xf86OutputPtr output) { struct sna_output *sna_output = output->driver_private; int i; if (sna_output == NULL) return; free(sna_output->edid_raw); for (i = 0; i < sna_output->num_props; i++) { drmModeFreeProperty(sna_output->props[i].kprop); free(sna_output->props[i].atoms); } free(sna_output->props); free(sna_output->prop_ids); free(sna_output->prop_values); free(sna_output->backlight_iface); free(sna_output); output->driver_private = NULL; } static void sna_output_dpms_backlight(xf86OutputPtr output, int oldmode, int mode) { struct sna_output *sna_output = output->driver_private; if (!sna_output->backlight_iface) return; DBG(("%s(%s) -- %d -> %d\n", __FUNCTION__, output->name, oldmode, mode)); if (mode == DPMSModeOn) { /* If we're going from off->on we may need to turn on the backlight. */ if (oldmode != DPMSModeOn) sna_output_backlight_set(output, sna_output->backlight_active_level); } else { /* Only save the current backlight value if we're going from on to off. */ if (oldmode == DPMSModeOn) sna_output->backlight_active_level = sna_output_backlight_get(output); sna_output_backlight_set(output, 0); } } static void sna_output_dpms(xf86OutputPtr output, int dpms) { struct sna *sna = to_sna(output->scrn); struct sna_output *sna_output = output->driver_private; DBG(("%s(%s): dpms=%d (current: %d), active? %d\n", __FUNCTION__, output->name, dpms, sna_output->dpms_mode, output->crtc != NULL)); if (sna_output->dpms_mode == dpms) return; /* Record the value of the backlight before turning * off the display, and reset if after turning it on. * Order is important as the kernel may record and also * reset the backlight across DPMS. Hence we need to * record the value before the kernel modifies it * and reapply it afterwards. */ if (dpms == DPMSModeOff) sna_output_dpms_backlight(output, sna_output->dpms_mode, dpms); if (output->crtc) drmModeConnectorSetProperty(sna->kgem.fd, sna_output->id, sna_output->dpms_id, dpms); if (dpms != DPMSModeOff) sna_output_dpms_backlight(output, sna_output->dpms_mode, dpms); sna_output->dpms_mode = dpms; } static bool sna_property_ignore(drmModePropertyPtr prop) { if (!prop) return true; /* ignore blob prop */ if (prop->flags & DRM_MODE_PROP_BLOB) return true; /* ignore standard property */ if (!strcmp(prop->name, "EDID") || !strcmp(prop->name, "DPMS")) return true; return false; } static void sna_output_create_ranged_atom(xf86OutputPtr output, Atom *atom, const char *name, INT32 min, INT32 max, uint64_t value, Bool immutable) { int err; INT32 atom_range[2]; atom_range[0] = min; atom_range[1] = max; *atom = MakeAtom(name, strlen(name), TRUE); err = RRConfigureOutputProperty(output->randr_output, *atom, FALSE, TRUE, immutable, 2, atom_range); if (err != 0) xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "RRConfigureOutputProperty error, %d\n", err); err = RRChangeOutputProperty(output->randr_output, *atom, XA_INTEGER, 32, PropModeReplace, 1, &value, FALSE, FALSE); if (err != 0) xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "RRChangeOutputProperty error, %d\n", err); } #define BACKLIGHT_NAME "Backlight" #define BACKLIGHT_DEPRECATED_NAME "BACKLIGHT" static Atom backlight_atom, backlight_deprecated_atom; static void sna_output_create_resources(xf86OutputPtr output) { struct sna *sna = to_sna(output->scrn); struct sna_output *sna_output = output->driver_private; int i, j, err; sna_output->props = calloc(sna_output->num_props, sizeof(struct sna_property)); if (!sna_output->props) return; for (i = 0; i < sna_output->num_props; i++) { struct sna_property *p = &sna_output->props[i]; p->kprop = drmModeGetProperty(sna->kgem.fd, sna_output->prop_ids[i]); if (sna_property_ignore(p->kprop)) { drmModeFreeProperty(p->kprop); p->kprop = NULL; continue; } if (p->kprop->flags & DRM_MODE_PROP_RANGE) { p->num_atoms = 1; p->atoms = calloc(p->num_atoms, sizeof(Atom)); if (!p->atoms) continue; sna_output_create_ranged_atom(output, &p->atoms[0], p->kprop->name, p->kprop->values[0], p->kprop->values[1], sna_output->prop_values[i], p->kprop->flags & DRM_MODE_PROP_IMMUTABLE ? TRUE : FALSE); } else if (p->kprop->flags & DRM_MODE_PROP_ENUM) { p->num_atoms = p->kprop->count_enums + 1; p->atoms = calloc(p->num_atoms, sizeof(Atom)); if (!p->atoms) continue; p->atoms[0] = MakeAtom(p->kprop->name, strlen(p->kprop->name), TRUE); for (j = 1; j <= p->kprop->count_enums; j++) { struct drm_mode_property_enum *e = &p->kprop->enums[j-1]; p->atoms[j] = MakeAtom(e->name, strlen(e->name), TRUE); } err = RRConfigureOutputProperty(output->randr_output, p->atoms[0], FALSE, FALSE, p->kprop->flags & DRM_MODE_PROP_IMMUTABLE ? TRUE : FALSE, p->num_atoms - 1, (INT32 *)&p->atoms[1]); if (err != 0) { xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "RRConfigureOutputProperty error, %d\n", err); } for (j = 0; j < p->kprop->count_enums; j++) if (p->kprop->enums[j].value == sna_output->prop_values[i]) break; /* there's always a matching value */ err = RRChangeOutputProperty(output->randr_output, p->atoms[0], XA_ATOM, 32, PropModeReplace, 1, &p->atoms[j+1], FALSE, FALSE); if (err != 0) { xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "RRChangeOutputProperty error, %d\n", err); } } } if (sna_output->backlight_iface) { /* Set up the backlight property, which takes effect * immediately and accepts values only within the * backlight_range. */ sna_output_create_ranged_atom(output, &backlight_atom, BACKLIGHT_NAME, 0, sna_output->backlight_max, sna_output->backlight_active_level, FALSE); sna_output_create_ranged_atom(output, &backlight_deprecated_atom, BACKLIGHT_DEPRECATED_NAME, 0, sna_output->backlight_max, sna_output->backlight_active_level, FALSE); } } static Bool sna_output_set_property(xf86OutputPtr output, Atom property, RRPropertyValuePtr value) { struct sna *sna = to_sna(output->scrn); struct sna_output *sna_output = output->driver_private; int i; if (property == backlight_atom || property == backlight_deprecated_atom) { INT32 val; if (value->type != XA_INTEGER || value->format != 32 || value->size != 1) { return FALSE; } val = *(INT32 *)value->data; DBG(("%s: setting backlight to %d (max=%d)\n", __FUNCTION__, (int)val, sna_output->backlight_max)); if (val < 0 || val > sna_output->backlight_max) return FALSE; if (sna_output->dpms_mode == DPMSModeOn) sna_output_backlight_set(output, val); sna_output->backlight_active_level = val; return TRUE; } for (i = 0; i < sna_output->num_props; i++) { struct sna_property *p = &sna_output->props[i]; if (p->atoms == NULL || p->atoms[0] != property) continue; if (p->kprop->flags & DRM_MODE_PROP_RANGE) { uint32_t val; if (value->type != XA_INTEGER || value->format != 32 || value->size != 1) return FALSE; val = *(uint32_t *)value->data; drmModeConnectorSetProperty(sna->kgem.fd, sna_output->id, p->kprop->prop_id, (uint64_t)val); return TRUE; } else if (p->kprop->flags & DRM_MODE_PROP_ENUM) { Atom atom; const char *name; int j; if (value->type != XA_ATOM || value->format != 32 || value->size != 1) return FALSE; memcpy(&atom, value->data, 4); name = NameForAtom(atom); if (name == NULL) return FALSE; /* search for matching name string, then set its value down */ for (j = 0; j < p->kprop->count_enums; j++) { if (!strcmp(p->kprop->enums[j].name, name)) { drmModeConnectorSetProperty(sna->kgem.fd, sna_output->id, p->kprop->prop_id, p->kprop->enums[j].value); return TRUE; } } return FALSE; } } /* We didn't recognise this property, just report success in order * to allow the set to continue, otherwise we break setting of * common properties like EDID. */ return TRUE; } static Bool sna_output_get_property(xf86OutputPtr output, Atom property) { struct sna_output *sna_output = output->driver_private; int err; if (property == backlight_atom || property == backlight_deprecated_atom) { INT32 val; if (!sna_output->backlight_iface) return FALSE; val = sna_output_backlight_get(output); if (val < 0) return FALSE; err = RRChangeOutputProperty(output->randr_output, property, XA_INTEGER, 32, PropModeReplace, 1, &val, FALSE, FALSE); if (err != 0) { xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "RRChangeOutputProperty error, %d\n", err); return FALSE; } return TRUE; } return FALSE; } static const xf86OutputFuncsRec sna_output_funcs = { .create_resources = sna_output_create_resources, #ifdef RANDR_12_INTERFACE .set_property = sna_output_set_property, .get_property = sna_output_get_property, #endif .dpms = sna_output_dpms, .detect = sna_output_detect, .mode_valid = sna_output_mode_valid, .get_modes = sna_output_get_modes, .destroy = sna_output_destroy }; static const int subpixel_conv_table[] = { SubPixelUnknown, SubPixelHorizontalRGB, SubPixelHorizontalBGR, SubPixelVerticalRGB, SubPixelVerticalBGR, SubPixelNone }; static const char *output_names[] = { "None", "VGA", "DVI", "DVI", "DVI", "Composite", "TV", "LVDS", "CTV", "DIN", "DP", "HDMI", "HDMI", "TV", "eDP", }; static bool sna_zaphod_match(const char *s, const char *output) { char t[20]; unsigned int i = 0; do { /* match any outputs in a comma list, stopping at whitespace */ switch (*s) { case '\0': t[i] = '\0'; return strcmp(t, output) == 0; case ',': t[i] ='\0'; if (strcmp(t, output) == 0) return TRUE; i = 0; break; case ' ': case '\t': case '\n': case '\r': break; default: t[i++] = *s; break; } s++; } while (i < sizeof(t)); return false; } static bool output_ignored(ScrnInfoPtr scrn, const char *name) { char monitor_name[64]; const char *monitor; XF86ConfMonitorPtr conf; snprintf(monitor_name, sizeof(monitor_name), "monitor-%s", name); monitor = xf86findOptionValue(scrn->options, monitor_name); if (!monitor) monitor = name; conf = xf86findMonitor(monitor, xf86configptr->conf_monitor_lst); if (conf == NULL && XF86_CRTC_CONFIG_PTR(scrn)->num_output == 0) conf = xf86findMonitor(scrn->monitor->id, xf86configptr->conf_monitor_lst); if (conf == NULL) return false; return xf86CheckBoolOption(conf->mon_option_lst, "Ignore", 0); } static bool sna_output_init(ScrnInfoPtr scrn, struct sna_mode *mode, int num) { struct sna *sna = to_sna(scrn); xf86OutputPtr output; union compat_mode_get_connector compat_conn; struct drm_mode_get_encoder enc; struct drm_mode_modeinfo dummy; struct sna_output *sna_output; const char *output_name; char name[32]; bool ret = false; int i; COMPILE_TIME_ASSERT(sizeof(struct drm_mode_get_connector) <= sizeof(compat_conn.pad)); DBG(("%s(num=%d)\n", __FUNCTION__, num)); VG_CLEAR(compat_conn); VG_CLEAR(enc); compat_conn.conn.connector_id = mode->kmode->connectors[num]; compat_conn.conn.count_props = 0; compat_conn.conn.count_modes = 1; /* skip detect */ compat_conn.conn.modes_ptr = (uintptr_t)&dummy; compat_conn.conn.count_encoders = 1; compat_conn.conn.encoders_ptr = (uintptr_t)&enc.encoder_id; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETCONNECTOR, &compat_conn.conn)) { DBG(("%s: GETCONNECTOR failed, ret=%d\n", __FUNCTION__, errno)); return false; } if (compat_conn.conn.count_encoders != 1) { DBG(("%s: unexpected number [%d] of encoders attached\n", __FUNCTION__, compat_conn.conn.count_encoders)); return false; } if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETENCODER, &enc)) { DBG(("%s: GETENCODER failed, ret=%d\n", __FUNCTION__, errno)); return false; } sna_output = calloc(sizeof(struct sna_output), 1); if (!sna_output) return false; sna_output->num_props = compat_conn.conn.count_props; sna_output->prop_ids = malloc(sizeof(uint32_t)*compat_conn.conn.count_props); sna_output->prop_values = malloc(sizeof(uint64_t)*compat_conn.conn.count_props); sna_output->dpms_mode = DPMSModeOff; compat_conn.conn.count_encoders = 0; compat_conn.conn.count_modes = 1; compat_conn.conn.modes_ptr = (uintptr_t)&dummy; compat_conn.conn.count_props = sna_output->num_props; compat_conn.conn.props_ptr = (uintptr_t)sna_output->prop_ids; compat_conn.conn.prop_values_ptr = (uintptr_t)sna_output->prop_values; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETCONNECTOR, &compat_conn.conn)) { DBG(("%s: second! GETCONNECTOR failed, ret=%d\n", __FUNCTION__, errno)); goto cleanup; } /* statically constructed property list */ assert(sna_output->num_props == compat_conn.conn.count_props); if (compat_conn.conn.connector_type < ARRAY_SIZE(output_names)) output_name = output_names[compat_conn.conn.connector_type]; else output_name = "UNKNOWN"; snprintf(name, 32, "%s%d", output_name, compat_conn.conn.connector_type_id); if (xf86IsEntityShared(scrn->entityList[0])) { const char *str; str = xf86GetOptValString(sna->Options, OPTION_ZAPHOD); if (str && !sna_zaphod_match(str, name)) { DBG(("%s: zaphod mismatch, want %s, have %s\n", __FUNCTION__, str, name)); ret = true; goto cleanup; } if ((enc.possible_crtcs & (1 << scrn->confScreen->device->screen)) == 0) { if (str) { xf86DrvMsg(scrn->scrnIndex, X_ERROR, "%s is an invalid output for screen (pipe) %d\n", name, scrn->confScreen->device->screen); } goto cleanup; } enc.possible_crtcs = 1; enc.possible_clones = 0; } output = xf86OutputCreate(scrn, &sna_output_funcs, name); if (!output) { /* xf86OutputCreate does not differentiate between * a failure to allocate the output, and a user request * to ignore the output. So reconstruct whether the user * explicitly ignored the output. */ ret = output_ignored(scrn, name); DBG(("%s: create failed, ignored? %d\n", __FUNCTION__, ret)); goto cleanup; } sna_output->id = compat_conn.conn.connector_id; sna_output->is_panel = is_panel(compat_conn.conn.connector_type); sna_output->edid_idx = find_property(sna, sna_output, "EDID"); sna_output->dpms_id = find_property_id(sna, sna_output, "DPMS"); output->mm_width = compat_conn.conn.mm_width; output->mm_height = compat_conn.conn.mm_height; if (compat_conn.conn.subpixel >= ARRAY_SIZE(subpixel_conv_table)) compat_conn.conn.subpixel = 0; output->subpixel_order = subpixel_conv_table[compat_conn.conn.subpixel]; output->driver_private = sna_output; for (i = 0; i < mode->kmode->count_encoders; i++) { if (enc.encoder_id == mode->kmode->encoders[i]) { sna_output->encoder_idx = i; break; } } if (sna_output->is_panel) sna_output_backlight_init(output); output->possible_crtcs = enc.possible_crtcs; output->possible_clones = enc.possible_clones; output->interlaceAllowed = TRUE; /* stash the active CRTC id for our probe function */ output->crtc = NULL; if (compat_conn.conn.connection == DRM_MODE_CONNECTED) output->crtc = (void *)(uintptr_t)enc.crtc_id; DBG(("%s: created output '%s' %d [%ld] (possible crtc:%x, possible clones:%x), edid=%d, dpms=%d, crtc=%lu\n", __FUNCTION__, name, num, (long)sna_output->id, (uint32_t)output->possible_crtcs, (uint32_t)output->possible_clones, sna_output->edid_idx, sna_output->dpms_id, (unsigned long)(uintptr_t)output->crtc)); return true; cleanup: free(sna_output->prop_ids); free(sna_output->prop_values); free(sna_output); return ret; } /* We need to map from kms encoder based possible_clones mask to X output based * possible clones masking. Note that for SDVO and on Haswell with DP/HDMI we * can have more than one output hanging off the same encoder. */ static void sna_mode_compute_possible_outputs(ScrnInfoPtr scrn) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); unsigned crtc_mask; int i, j; assert(config->num_output < 32); assert(config->num_crtc < 32); crtc_mask = (1 << config->num_crtc) - 1; /* Convert from encoder numbering to output numbering */ for (i = 0; i < config->num_output; i++) { xf86OutputPtr output = config->output[i]; unsigned mask = output->possible_clones; unsigned clones = 0; for (j = 0; j < config->num_output; j++) { if (mask & (1 << to_sna_output(config->output[j])->encoder_idx)) clones |= 1 << j; } output->possible_clones = clones; output->possible_crtcs &= crtc_mask; DBG(("%s: updated output '%s' %d [%d] (possible crtc:%x, possible clones:%x)\n", __FUNCTION__, output->name, i, to_connector_id(output), (uint32_t)output->possible_crtcs, (uint32_t)output->possible_clones)); } } static void copy_front(struct sna *sna, PixmapPtr old, PixmapPtr new) { struct sna_pixmap *old_priv, *new_priv; DBG(("%s\n", __FUNCTION__)); if (wedged(sna)) return; old_priv = sna_pixmap_force_to_gpu(old, MOVE_READ); if (!old_priv) return; new_priv = sna_pixmap_force_to_gpu(new, MOVE_WRITE); if (!new_priv) return; if (old_priv->clear) { (void)sna->render.fill_one(sna, new, new_priv->gpu_bo, old_priv->clear_color, 0, 0, new->drawable.width, new->drawable.height, GXcopy); new_priv->clear = true; new_priv->clear_color = old_priv->clear_color; } else { BoxRec box; int16_t sx, sy, dx, dy; if (new->drawable.width >= old->drawable.width && new->drawable.height >= old->drawable.height) { int nx = (new->drawable.width + old->drawable.width - 1) / old->drawable.width; int ny = (new->drawable.height + old->drawable.height - 1) / old->drawable.height; box.x1 = box.y1 = 0; dy = 0; for (sy = 0; sy < ny; sy++) { box.y2 = old->drawable.height; if (box.y2 + dy > new->drawable.height) box.y2 = new->drawable.height - dy; dx = 0; for (sx = 0; sx < nx; sx++) { box.x2 = old->drawable.width; if (box.x2 + dx > new->drawable.width) box.x2 = new->drawable.width - dx; (void)sna->render.copy_boxes(sna, GXcopy, old, old_priv->gpu_bo, 0, 0, new, new_priv->gpu_bo, dx, dy, &box, 1, 0); dx += old->drawable.width; } dy += old->drawable.height; } } else { box.x1 = box.y1 = 0; box.x2 = min(old->drawable.width, new->drawable.width); box.y2 = min(old->drawable.height, new->drawable.height); sx = dx = 0; if (box.x2 < old->drawable.width) sx = (old->drawable.width - box.x2) / 2; if (box.x2 < new->drawable.width) dx = (new->drawable.width - box.x2) / 2; sy = dy = 0; if (box.y2 < old->drawable.height) sy = (old->drawable.height - box.y2) / 2; if (box.y2 < new->drawable.height) dy = (new->drawable.height - box.y2) / 2; DBG(("%s: copying box (%dx%d) from (%d, %d) to (%d, %d)\n", __FUNCTION__, box.x2, box.y2, sx, sy, dx, dy)); if (box.x2 != new->drawable.width || box.y2 != new->drawable.height) { (void)sna->render.fill_one(sna, new, new_priv->gpu_bo, 0, 0, 0, new->drawable.width, new->drawable.height, GXclear); } (void)sna->render.copy_boxes(sna, GXcopy, old, old_priv->gpu_bo, sx, sy, new, new_priv->gpu_bo, dx, dy, &box, 1, 0); } } if (!DAMAGE_IS_ALL(new_priv->gpu_damage)) sna_damage_all(&new_priv->gpu_damage, new->drawable.width, new->drawable.height); } static Bool sna_mode_resize(ScrnInfoPtr scrn, int width, int height) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); struct sna *sna = to_sna(scrn); ScreenPtr screen = scrn->pScreen; PixmapPtr new_front; int i; DBG(("%s (%d, %d) -> (%d, %d)\n", __FUNCTION__, scrn->virtualX, scrn->virtualY, width, height)); assert((sna->flags & SNA_IS_HOSTED) == 0); if (scrn->virtualX == width && scrn->virtualY == height) return TRUE; assert(sna->front); assert(screen->GetScreenPixmap(screen) == sna->front); DBG(("%s: creating new framebuffer %dx%d\n", __FUNCTION__, width, height)); new_front = screen->CreatePixmap(screen, width, height, scrn->depth, SNA_CREATE_FB); if (!new_front) return FALSE; xf86DrvMsg(scrn->scrnIndex, X_INFO, "resizing framebuffer to %dx%d\n", width, height); for (i = 0; i < config->num_crtc; i++) { struct sna_crtc *crtc; crtc = to_sna_crtc(config->crtc[i]); if (crtc == NULL) continue; sna_crtc_disable_shadow(sna, crtc); } assert(sna->mode.shadow_active == 0); assert(sna->mode.shadow_damage == NULL); assert(sna->mode.shadow == NULL); copy_front(sna, sna->front, new_front); screen->SetScreenPixmap(new_front); assert(screen->GetScreenPixmap(screen) == new_front); assert(sna->front == new_front); screen->DestroyPixmap(new_front); /* owned by screen now */ scrn->virtualX = width; scrn->virtualY = height; scrn->displayWidth = width; /* Only update the CRTCs if we are in control */ if (!scrn->vtSema) return TRUE; for (i = 0; i < config->num_crtc; i++) { xf86CrtcPtr crtc = config->crtc[i]; if (!crtc->enabled || to_sna_crtc(crtc) == NULL) continue; if (!sna_crtc_set_mode_major(crtc, &crtc->mode, crtc->rotation, crtc->x, crtc->y)) sna_crtc_disable(crtc); } while (sna_mode_has_pending_events(sna)) sna_mode_wakeup(sna); kgem_clean_scanout_cache(&sna->kgem); return TRUE; } static int do_page_flip(struct sna *sna, struct kgem_bo *bo, void *data, int ref_crtc_hw_id) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(sna->scrn); int width = sna->scrn->virtualX; int height = sna->scrn->virtualY; int count = 0; int i; /* * Queue flips on all enabled CRTCs * Note that if/when we get per-CRTC buffers, we'll have to update this. * Right now it assumes a single shared fb across all CRTCs, with the * kernel fixing up the offset of each CRTC as necessary. * * Also, flips queued on disabled or incorrectly configured displays * may never complete; this is a configuration error. */ for (i = 0; i < config->num_crtc; i++) { struct sna_crtc *crtc = config->crtc[i]->driver_private; struct drm_mode_crtc_page_flip arg; DBG(("%s: crtc %d active? %d\n", __FUNCTION__, i, crtc && crtc->bo)); if (crtc == NULL || crtc->bo == NULL) continue; arg.crtc_id = crtc->id; arg.fb_id = get_fb(sna, bo, width, height); if (arg.fb_id == 0) goto disable; /* Only the reference crtc will finally deliver its page flip * completion event. All other crtc's events will be discarded. */ arg.user_data = (uintptr_t)data; arg.user_data |= crtc->pipe == ref_crtc_hw_id; arg.flags = DRM_MODE_PAGE_FLIP_EVENT; arg.reserved = 0; DBG(("%s: crtc %d [ref? %d] --> fb %d\n", __FUNCTION__, crtc->id, crtc->pipe == ref_crtc_hw_id, arg.fb_id)); if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_PAGE_FLIP, &arg)) { DBG(("%s: flip [fb=%d] on crtc %d [%d] failed - %d\n", __FUNCTION__, arg.fb_id, i, crtc->id, errno)); disable: if (count == 0) return 0; xf86DrvMsg(sna->scrn->scrnIndex, X_ERROR, "%s: page flipping failed, disabling CRTC:%d (pipe=%d)\n", __FUNCTION__, crtc->id, crtc->pipe); sna_crtc_disable(config->crtc[i]); continue; } if (crtc->bo != bo) { kgem_bo_destroy(&sna->kgem, crtc->bo); crtc->bo = kgem_bo_reference(bo); } count++; } return count; } int sna_page_flip(struct sna *sna, struct kgem_bo *bo, void *data, int ref_crtc_hw_id) { int count; DBG(("%s: handle %d attached\n", __FUNCTION__, bo->handle)); assert(bo->refcnt); assert((sna->flags & SNA_IS_HOSTED) == 0); kgem_bo_submit(&sna->kgem, bo); /* * Queue flips on all enabled CRTCs * Note that if/when we get per-CRTC buffers, we'll have to update this. * Right now it assumes a single shared fb across all CRTCs, with the * kernel fixing up the offset of each CRTC as necessary. * * Also, flips queued on disabled or incorrectly configured displays * may never complete; this is a configuration error. */ count = do_page_flip(sna, bo, data, ref_crtc_hw_id); DBG(("%s: page flipped %d crtcs\n", __FUNCTION__, count)); return count; } static const xf86CrtcConfigFuncsRec sna_mode_funcs = { sna_mode_resize }; static void set_size_range(struct sna *sna) { /* We lie slightly as we expect no single monitor to exceed the * crtc limits, so if the mode exceeds the scanout restrictions, * we will quietly convert that to per-crtc pixmaps. */ xf86CrtcSetSizeRange(sna->scrn, 320, 200, INT16_MAX, INT16_MAX); } enum { /* XXX copied from hw/xfree86/modes/xf86Crtc.c */ OPTION_PREFERRED_MODE, #if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,14,99,1,0) OPTION_ZOOM_MODES, #endif OPTION_POSITION, OPTION_BELOW, OPTION_RIGHT_OF, OPTION_ABOVE, OPTION_LEFT_OF, OPTION_ENABLE, OPTION_DISABLE, OPTION_MIN_CLOCK, OPTION_MAX_CLOCK, OPTION_IGNORE, OPTION_ROTATE, OPTION_PANNING, OPTION_PRIMARY, OPTION_DEFAULT_MODES, }; #if HAS_GAMMA static void set_gamma(uint16_t *curve, int size, double value) { int i; value = 1/value; for (i = 0; i < size; i++) curve[i] = 256*(size-1)*pow(i/(double)(size-1), value); } static void output_set_gamma(xf86OutputPtr output, xf86CrtcPtr crtc) { XF86ConfMonitorPtr mon = output->conf_monitor; if (!mon) return; DBG(("%s: red=%f\n", __FUNCTION__, mon->mon_gamma_red)); if (mon->mon_gamma_red >= GAMMA_MIN && mon->mon_gamma_red <= GAMMA_MAX && mon->mon_gamma_red != 1.0) set_gamma(crtc->gamma_red, crtc->gamma_size, mon->mon_gamma_red); DBG(("%s: green=%f\n", __FUNCTION__, mon->mon_gamma_green)); if (mon->mon_gamma_green >= GAMMA_MIN && mon->mon_gamma_green <= GAMMA_MAX && mon->mon_gamma_green != 1.0) set_gamma(crtc->gamma_green, crtc->gamma_size, mon->mon_gamma_green); DBG(("%s: blue=%f\n", __FUNCTION__, mon->mon_gamma_blue)); if (mon->mon_gamma_blue >= GAMMA_MIN && mon->mon_gamma_blue <= GAMMA_MAX && mon->mon_gamma_blue != 1.0) set_gamma(crtc->gamma_blue, crtc->gamma_size, mon->mon_gamma_blue); } static void crtc_init_gamma(xf86CrtcPtr crtc) { uint16_t *gamma; /* Initialize the gamma ramps */ gamma = NULL; if (crtc->gamma_size == 256) gamma = crtc->gamma_red; if (gamma == NULL) gamma = malloc(3 * 256 * sizeof(uint16_t)); if (gamma) { struct sna *sna = to_sna(crtc->scrn); struct sna_crtc *sna_crtc = to_sna_crtc(crtc); struct drm_mode_crtc_lut lut; bool gamma_set = false; lut.crtc_id = sna_crtc->id; lut.gamma_size = 256; lut.red = (uintptr_t)(gamma); lut.green = (uintptr_t)(gamma + 256); lut.blue = (uintptr_t)(gamma + 2 * 256); if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETGAMMA, &lut) == 0) { gamma_set = gamma[256 - 1] && gamma[2*256 - 1] && gamma[3*256 - 1]; } DBG(("%s: CRTC:%d, pipe=%d: gamma set?=%d\n", __FUNCTION__, sna_crtc->id, sna_crtc->pipe, gamma_set)); if (!gamma_set) { int i; for (i = 0; i < 256; i++) { gamma[i] = i << 8; gamma[256 + i] = i << 8; gamma[2*256 + i] = i << 8; } } if (gamma != crtc->gamma_red) { free(crtc->gamma_red); crtc->gamma_red = gamma; crtc->gamma_green = gamma + 256; crtc->gamma_blue = gamma + 2*256; } } } #else static void output_set_gamma(xf86OutputPtr output, xf86CrtcPtr crtc) { } static void crtc_init_gamma(xf86CrtcPtr crtc) { } #endif static const char *preferred_mode(xf86OutputPtr output) { char *mode; mode = xf86GetOptValString(output->options, OPTION_PREFERRED_MODE); if (mode) return mode; if (output->scrn->display->modes && *output->scrn->display->modes) return *output->scrn->display->modes; return NULL; } static bool sna_probe_initial_configuration(struct sna *sna) { ScrnInfoPtr scrn = sna->scrn; xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); const int user_overrides[] = { OPTION_POSITION, OPTION_BELOW, OPTION_RIGHT_OF, OPTION_ABOVE, OPTION_LEFT_OF, OPTION_ROTATE, OPTION_PANNING, }; int width, height; int i, j; assert((sna->flags & SNA_IS_HOSTED) == 0); if (xf86ReturnOptValBool(sna->Options, OPTION_REPROBE, FALSE)) { DBG(("%s: user requests reprobing\n", __FUNCTION__)); return false; } /* First scan through all outputs and look for user overrides */ for (i = 0; i < config->num_output; i++) { xf86OutputPtr output = config->output[i]; for (j = 0; j < ARRAY_SIZE(user_overrides); j++) { if (xf86GetOptValString(output->options, user_overrides[j])) { DBG(("%s: user placement [%d] for %s\n", __FUNCTION__, user_overrides[j], output->name)); return false; } } } /* Copy the existing modes on each CRTCs */ for (i = 0; i < config->num_crtc; i++) { xf86CrtcPtr crtc = config->crtc[i]; struct sna_crtc *sna_crtc = to_sna_crtc(crtc); struct drm_mode_crtc mode; if (sna_crtc == NULL) continue; crtc->enabled = FALSE; crtc->desiredMode.status = MODE_NOMODE; crtc_init_gamma(crtc); /* Retrieve the current mode */ VG_CLEAR(mode); mode.crtc_id = sna_crtc->id; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETCRTC, &mode)) continue; DBG(("%s: CRTC:%d, pipe=%d: has mode?=%d\n", __FUNCTION__, sna_crtc->id, sna_crtc->pipe, mode.mode_valid && mode.mode.clock)); if (!mode.mode_valid || mode.mode.clock == 0) continue; mode_from_kmode(scrn, &mode.mode, &crtc->desiredMode); crtc->desiredRotation = RR_Rotate_0; crtc->desiredX = mode.x; crtc->desiredY = mode.y; crtc->desiredTransformPresent = FALSE; } /* Reconstruct outputs pointing to active CRTC */ for (i = 0; i < config->num_output; i++) { xf86OutputPtr output = config->output[i]; uint32_t crtc_id; if (to_sna_output(output) == NULL) { assert(output->crtc == NULL); continue; } crtc_id = (uintptr_t)output->crtc; output->crtc = NULL; if (crtc_id == 0) continue; if (xf86ReturnOptValBool(output->options, OPTION_DISABLE, 0)) continue; for (j = 0; j < config->num_crtc; j++) { xf86CrtcPtr crtc = config->crtc[j]; if (to_sna_crtc(crtc)->id != crtc_id) continue; if (crtc->desiredMode.status == MODE_OK) { DisplayModePtr M; const char *pref; pref = preferred_mode(output); if (pref && strcmp(pref, crtc->desiredMode.name)) return false; xf86DrvMsg(scrn->scrnIndex, X_PROBED, "Output %s using initial mode %s on pipe %d\n", output->name, crtc->desiredMode.name, to_sna_crtc(crtc)->pipe); output->crtc = crtc; crtc->enabled = TRUE; if (output->mm_width == 0 || output->mm_height == 0) { output->mm_height = (crtc->desiredMode.VDisplay * 254) / (10*DEFAULT_DPI); output->mm_width = (crtc->desiredMode.HDisplay * 254) / (10*DEFAULT_DPI); } output_set_gamma(output, crtc); M = calloc(1, sizeof(DisplayModeRec)); if (M) { *M = crtc->desiredMode; M->name = strdup(M->name); output->probed_modes = xf86ModesAdd(output->probed_modes, M); } } break; } if (j == config->num_crtc) { /* Can not find the earlier associated CRTC, bail */ DBG(("%s: existing setup conflicts with output assignment (Zaphod), reprobing\n", __FUNCTION__)); return false; } } width = height = 0; for (i = 0; i < config->num_crtc; i++) { xf86CrtcPtr crtc = config->crtc[i]; int w, h; if (!crtc->enabled) continue; w = crtc->desiredX + crtc->desiredMode.HDisplay; if (w > width) width = w; h = crtc->desiredY + crtc->desiredMode.VDisplay; if (h > height) height = h; } if (!width || !height) { width = 1024; height = 768; } scrn->display->frameX0 = 0; scrn->display->frameY0 = 0; scrn->display->virtualX = width; scrn->display->virtualY = height; scrn->virtualX = width; scrn->virtualY = height; xf86SetScrnInfoModes(sna->scrn); DBG(("%s: SetScrnInfoModes = %p\n", __FUNCTION__, scrn->modes)); return scrn->modes != NULL; } static void sanitize_outputs(struct sna *sna) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(sna->scrn); int i; for (i = 0; i < config->num_output; i++) config->output[i]->crtc = NULL; } static void sna_crtc_config_notify(ScreenPtr screen) { DBG(("%s\n", __FUNCTION__)); sna_mode_update(to_sna_from_screen(screen)); } #if HAS_PIXMAP_SHARING #define sna_setup_provider(scrn) xf86ProviderSetup(scrn, NULL, "Intel") #else #define sna_setup_provider(scrn) #endif bool sna_mode_pre_init(ScrnInfoPtr scrn, struct sna *sna) { struct sna_mode *mode = &sna->mode; int num_fake = 0; int i; if (sna->flags & SNA_IS_HOSTED) { sna_setup_provider(scrn); return true; } if (!xf86GetOptValInteger(sna->Options, OPTION_VIRTUAL, &num_fake)) num_fake = 1; mode->kmode = drmModeGetResources(sna->kgem.fd); if (mode->kmode) { xf86CrtcConfigInit(scrn, &sna_mode_funcs); XF86_CRTC_CONFIG_PTR(scrn)->xf86_crtc_notify = sna_crtc_config_notify; for (i = 0; i < mode->kmode->count_crtcs; i++) if (!sna_crtc_init(scrn, mode, i)) return false; for (i = 0; i < mode->kmode->count_connectors; i++) if (!sna_output_init(scrn, mode, i)) return false; if (!xf86IsEntityShared(scrn->entityList[0])) sna_mode_compute_possible_outputs(scrn); } else { if (num_fake == 0) num_fake = 1; } set_size_range(sna); if (!sna_mode_fake_init(sna, num_fake)) return false; if (!sna_probe_initial_configuration(sna)) { sanitize_outputs(sna); xf86InitialConfiguration(scrn, TRUE); } sna_setup_provider(scrn); return scrn->modes != NULL; } void sna_mode_close(struct sna *sna) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(sna->scrn); int i; /* In order to workaround a kernel bug in not honouring O_NONBLOCK, * check that the fd is readable before attempting to read the next * event from drm. */ while (sna_mode_has_pending_events(sna)) sna_mode_wakeup(sna); if (sna->flags & SNA_IS_HOSTED) return; for (i = 0; i < config->num_crtc; i++) { struct sna_crtc *crtc; crtc = to_sna_crtc(config->crtc[i]); if (crtc == NULL) continue; sna_crtc_disable_shadow(sna, crtc); } } void sna_mode_fini(struct sna *sna) { } static bool sna_box_intersect(BoxPtr r, const BoxRec *a, const BoxRec *b) { r->x1 = a->x1 > b->x1 ? a->x1 : b->x1; r->x2 = a->x2 < b->x2 ? a->x2 : b->x2; if (r->x1 >= r->x2) return false; r->y1 = a->y1 > b->y1 ? a->y1 : b->y1; r->y2 = a->y2 < b->y2 ? a->y2 : b->y2; DBG(("%s: (%d, %d), (%d, %d) intersect (%d, %d), (%d, %d) = (%d, %d), (%d, %d)\n", __FUNCTION__, a->x1, a->y1, a->x2, a->y2, b->x1, b->y1, b->x2, b->y2, r->x1, r->y1, r->x2, r->y2)); if (r->y1 >= r->y2) return false; return true; } static int sna_box_area(const BoxRec *box) { return (int)(box->x2 - box->x1) * (int)(box->y2 - box->y1); } /* * Return the crtc covering 'box'. If two crtcs cover a portion of * 'box', then prefer 'desired'. If 'desired' is NULL, then prefer the crtc * with greater coverage */ xf86CrtcPtr sna_covering_crtc(struct sna *sna, const BoxRec *box, xf86CrtcPtr desired) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(sna->scrn); xf86CrtcPtr best_crtc; int best_coverage, c; if (sna->flags & SNA_IS_HOSTED) return NULL; /* If we do not own the VT, we do not own the CRTC either */ if (!sna->scrn->vtSema) return NULL; DBG(("%s for box=(%d, %d), (%d, %d)\n", __FUNCTION__, box->x1, box->y1, box->x2, box->y2)); best_crtc = NULL; best_coverage = 0; for (c = 0; c < config->num_crtc; c++) { xf86CrtcPtr crtc = config->crtc[c]; BoxRec cover_box; int coverage; if (to_sna_crtc(crtc) == NULL) continue; /* If the CRTC is off, treat it as not covering */ if (to_sna_crtc(crtc)->bo == NULL) { DBG(("%s: crtc %d off, skipping\n", __FUNCTION__, c)); continue; } DBG(("%s: crtc %d: (%d, %d), (%d, %d)\n", __FUNCTION__, c, crtc->bounds.x1, crtc->bounds.y1, crtc->bounds.x2, crtc->bounds.y2)); if (*(const uint64_t *)box == *(uint64_t *)&crtc->bounds) { DBG(("%s: box exactly matches crtc [%d]\n", __FUNCTION__, c)); return crtc; } if (!sna_box_intersect(&cover_box, &crtc->bounds, box)) continue; DBG(("%s: box instersects (%d, %d), (%d, %d) of crtc %d\n", __FUNCTION__, cover_box.x1, cover_box.y1, cover_box.x2, cover_box.y2, c)); if (crtc == desired) { DBG(("%s: box is on desired crtc [%p]\n", __FUNCTION__, crtc)); return crtc; } coverage = sna_box_area(&cover_box); DBG(("%s: box covers %d of crtc %d\n", __FUNCTION__, coverage, c)); if (coverage > best_coverage) { best_crtc = crtc; best_coverage = coverage; } } DBG(("%s: best crtc = %p, coverage = %d\n", __FUNCTION__, best_crtc, best_coverage)); return best_crtc; } #define MI_LOAD_REGISTER_IMM (0x22<<23) static bool sna_emit_wait_for_scanline_hsw(struct sna *sna, xf86CrtcPtr crtc, int pipe, int y1, int y2, bool full_height) { uint32_t event; uint32_t *b; if (!sna->kgem.has_secure_batches) return false; b = kgem_get_batch(&sna->kgem); sna->kgem.nbatch += 17; switch (pipe) { default: assert(0); case 0: event = 1 << 0; break; case 1: event = 1 << 8; break; case 2: event = 1 << 14; break; } b[0] = MI_LOAD_REGISTER_IMM | 1; b[1] = 0x44050; /* DERRMR */ b[2] = ~event; b[3] = MI_LOAD_REGISTER_IMM | 1; b[4] = 0xa188; /* FORCEWAKE_MT */ b[5] = 2 << 16 | 2; /* The documentation says that the LOAD_SCAN_LINES command * always comes in pairs. Don't ask me why. */ switch (pipe) { default: assert(0); case 0: event = 0 << 19; break; case 1: event = 1 << 19; break; case 2: event = 4 << 19; break; } b[8] = b[6] = MI_LOAD_SCAN_LINES_INCL | event; b[9] = b[7] = (y1 << 16) | (y2-1); switch (pipe) { default: assert(0); case 0: event = 1 << 0; break; case 1: event = 1 << 8; break; case 2: event = 1 << 14; break; } b[10] = MI_WAIT_FOR_EVENT | event; b[11] = MI_LOAD_REGISTER_IMM | 1; b[12] = 0xa188; /* FORCEWAKE_MT */ b[13] = 2 << 16; b[14] = MI_LOAD_REGISTER_IMM | 1; b[15] = 0x44050; /* DERRMR */ b[16] = ~0; return true; } static bool sna_emit_wait_for_scanline_ivb(struct sna *sna, xf86CrtcPtr crtc, int pipe, int y1, int y2, bool full_height) { uint32_t *b; uint32_t event; if (!sna->kgem.has_secure_batches) return false; assert(y1 >= 0); assert(y2 > y1); assert(sna->kgem.mode); /* Always program one less than the desired value */ if (--y1 < 0) y1 = crtc->bounds.y2; y2--; switch (pipe) { default: assert(0); case 0: event = 1 << (full_height ? 3 : 0); break; case 1: event = 1 << (full_height ? 11 : 8); break; case 2: event = 1 << (full_height ? 21 : 14); break; } b = kgem_get_batch(&sna->kgem); /* Both the LRI and WAIT_FOR_EVENT must be in the same cacheline */ if (((sna->kgem.nbatch + 6) >> 4) != (sna->kgem.nbatch + 10) >> 4) { int dw = sna->kgem.nbatch + 6; dw = ALIGN(dw, 16) - dw; while (dw--) *b++ = MI_NOOP; } b[0] = MI_LOAD_REGISTER_IMM | 1; b[1] = 0x44050; /* DERRMR */ b[2] = ~event; b[3] = MI_LOAD_REGISTER_IMM | 1; b[4] = 0xa188; /* FORCEWAKE_MT */ b[5] = 2 << 16 | 2; b[6] = MI_LOAD_REGISTER_IMM | 1; b[7] = 0x70068 + 0x1000 * pipe; b[8] = (1 << 31) | (1 << 30) | (y1 << 16) | y2; b[9] = MI_WAIT_FOR_EVENT | event; b[10] = MI_LOAD_REGISTER_IMM | 1; b[11] = 0xa188; /* FORCEWAKE_MT */ b[12] = 2 << 16; b[13] = MI_LOAD_REGISTER_IMM | 1; b[14] = 0x44050; /* DERRMR */ b[15] = ~0; sna->kgem.nbatch = b - sna->kgem.batch + 16; sna->kgem.batch_flags |= I915_EXEC_SECURE; return true; } static bool sna_emit_wait_for_scanline_gen6(struct sna *sna, xf86CrtcPtr crtc, int pipe, int y1, int y2, bool full_height) { uint32_t *b; uint32_t event; if (!sna->kgem.has_secure_batches) return false; assert(y1 >= 0); assert(y2 > y1); assert(sna->kgem.mode == KGEM_RENDER); /* Always program one less than the desired value */ if (--y1 < 0) y1 = crtc->bounds.y2; y2--; /* The scanline granularity is 3 bits */ y1 &= ~7; y2 &= ~7; if (y2 == y1) return false; event = 1 << (3*full_height + pipe*8); b = kgem_get_batch(&sna->kgem); sna->kgem.nbatch += 10; b[0] = MI_LOAD_REGISTER_IMM | 1; b[1] = 0x44050; /* DERRMR */ b[2] = ~event; b[3] = MI_LOAD_REGISTER_IMM | 1; b[4] = 0x4f100; /* magic */ b[5] = (1 << 31) | (1 << 30) | pipe << 29 | (y1 << 16) | y2; b[6] = MI_WAIT_FOR_EVENT | event; b[7] = MI_LOAD_REGISTER_IMM | 1; b[8] = 0x44050; /* DERRMR */ b[9] = ~0; sna->kgem.batch_flags |= I915_EXEC_SECURE; return true; } static bool sna_emit_wait_for_scanline_gen4(struct sna *sna, xf86CrtcPtr crtc, int pipe, int y1, int y2, bool full_height) { uint32_t event; uint32_t *b; if (pipe == 0) { if (full_height) event = MI_WAIT_FOR_PIPEA_SVBLANK; else event = MI_WAIT_FOR_PIPEA_SCAN_LINE_WINDOW; } else { if (full_height) event = MI_WAIT_FOR_PIPEB_SVBLANK; else event = MI_WAIT_FOR_PIPEB_SCAN_LINE_WINDOW; } b = kgem_get_batch(&sna->kgem); sna->kgem.nbatch += 5; /* The documentation says that the LOAD_SCAN_LINES command * always comes in pairs. Don't ask me why. */ b[2] = b[0] = MI_LOAD_SCAN_LINES_INCL | pipe << 20; b[3] = b[1] = (y1 << 16) | (y2-1); b[4] = MI_WAIT_FOR_EVENT | event; return true; } static bool sna_emit_wait_for_scanline_gen2(struct sna *sna, xf86CrtcPtr crtc, int pipe, int y1, int y2, bool full_height) { uint32_t *b; /* * Pre-965 doesn't have SVBLANK, so we need a bit * of extra time for the blitter to start up and * do its job for a full height blit */ if (full_height) y2 -= 2; b = kgem_get_batch(&sna->kgem); sna->kgem.nbatch += 5; /* The documentation says that the LOAD_SCAN_LINES command * always comes in pairs. Don't ask me why. */ b[2] = b[0] = MI_LOAD_SCAN_LINES_INCL | pipe << 20; b[3] = b[1] = (y1 << 16) | (y2-1); b[4] = MI_WAIT_FOR_EVENT | 1 << (1 + 4*pipe); return true; } bool sna_wait_for_scanline(struct sna *sna, PixmapPtr pixmap, xf86CrtcPtr crtc, const BoxRec *clip) { bool full_height; int y1, y2, pipe; bool ret; assert(crtc != NULL); assert(to_sna_crtc(crtc) != NULL); assert(to_sna_crtc(crtc)->bo != NULL); assert(pixmap == sna->front); if (sna->flags & SNA_NO_VSYNC) return false; /* * Make sure we don't wait for a scanline that will * never occur */ y1 = clip->y1 - crtc->bounds.y1; if (y1 < 0) y1 = 0; y2 = clip->y2 - crtc->bounds.y1; if (y2 > crtc->bounds.y2 - crtc->bounds.y1) y2 = crtc->bounds.y2 - crtc->bounds.y1; DBG(("%s: clipped range = %d, %d\n", __FUNCTION__, y1, y2)); if (y2 <= y1 + 4) return false; full_height = y1 == 0 && y2 == crtc->bounds.y2 - crtc->bounds.y1; if (crtc->mode.Flags & V_INTERLACE) { /* DSL count field lines */ y1 /= 2; y2 /= 2; } pipe = sna_crtc_to_pipe(crtc); DBG(("%s: pipe=%d, y1=%d, y2=%d, full_height?=%d\n", __FUNCTION__, pipe, y1, y2, full_height)); if (sna->kgem.gen >= 0100) ret = false; else if (sna->kgem.gen >= 075) ret = sna_emit_wait_for_scanline_hsw(sna, crtc, pipe, y1, y2, full_height); else if (sna->kgem.gen == 071) ret =sna_emit_wait_for_scanline_gen6(sna, crtc, pipe, y1, y2, full_height); else if (sna->kgem.gen >= 070) ret = sna_emit_wait_for_scanline_ivb(sna, crtc, pipe, y1, y2, full_height); else if (sna->kgem.gen >= 060) ret =sna_emit_wait_for_scanline_gen6(sna, crtc, pipe, y1, y2, full_height); else if (sna->kgem.gen >= 040) ret = sna_emit_wait_for_scanline_gen4(sna, crtc, pipe, y1, y2, full_height); else ret = sna_emit_wait_for_scanline_gen2(sna, crtc, pipe, y1, y2, full_height); return ret; } void sna_mode_update(struct sna *sna) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(sna->scrn); int i; if (sna->flags & SNA_IS_HOSTED) return; /* Validate CRTC attachments and force consistency upon the kernel */ sna->mode.front_active = 0; for (i = 0; i < config->num_crtc; i++) { xf86CrtcPtr crtc = config->crtc[i]; struct sna_crtc *sna_crtc = to_sna_crtc(crtc); struct drm_mode_crtc mode; uint32_t expected; if (sna_crtc == NULL) continue; #if XF86_CRTC_VERSION >= 3 assert(sna_crtc->bo == NULL || crtc->active); #endif expected = sna_crtc->bo ? fb_id(sna_crtc->bo) : 0; VG_CLEAR(mode); mode.crtc_id = sna_crtc->id; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETCRTC, &mode)) continue; DBG(("%s: crtc=%d, valid?=%d, fb attached?=%d, expected=%d\n", __FUNCTION__, mode.crtc_id, mode.mode_valid, mode.fb_id, expected)); if (mode.fb_id != expected) sna_crtc_disable(crtc); if (sna->front && sna_crtc->bo == __sna_pixmap_get_bo(sna->front)) sna->mode.front_active++; } for (i = 0; i < config->num_output; i++) { xf86OutputPtr output = config->output[i]; struct sna_output *sna_output; if (output->crtc) continue; sna_output = to_sna_output(output); if (sna_output == NULL) continue; sna_output->dpms_mode = DPMSModeOff; } update_flush_interval(sna); } void sna_mode_reset(struct sna *sna) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(sna->scrn); int i; if (sna->flags & SNA_IS_HOSTED) return; for (i = 0; i < config->num_crtc; i++) { struct sna_crtc *sna_crtc = to_sna_crtc(config->crtc[i]); if (sna_crtc == NULL) continue; sna_crtc->dpms_mode = DPMSModeOff; } for (i = 0; i < config->num_output; i++) { struct sna_output *sna_output = to_sna_output(config->output[i]); if (sna_output == NULL) continue; sna_output->dpms_mode = DPMSModeOff; } } static void transformed_box(BoxRec *box, xf86CrtcPtr crtc) { box->x1 -= crtc->filter_width >> 1; box->x2 += crtc->filter_width >> 1; box->y1 -= crtc->filter_height >> 1; box->y2 += crtc->filter_height >> 1; pixman_f_transform_bounds(&crtc->f_framebuffer_to_crtc, box); if (box->x1 < 0) box->x1 = 0; if (box->y1 < 0) box->y1 = 0; if (box->x2 > crtc->mode.HDisplay) box->x2 = crtc->mode.HDisplay; if (box->y2 > crtc->mode.VDisplay) box->y2 = crtc->mode.VDisplay; } static void sna_crtc_redisplay__fallback(xf86CrtcPtr crtc, RegionPtr region) { struct sna *sna = to_sna(crtc->scrn); struct sna_crtc *sna_crtc = to_sna_crtc(crtc); ScreenPtr screen = sna->scrn->pScreen; PictFormatPtr format; PicturePtr src, dst; PixmapPtr pixmap; int error; void *ptr; DBG(("%s: compositing transformed damage boxes\n", __FUNCTION__)); ptr = kgem_bo_map__gtt(&sna->kgem, sna_crtc->bo); if (ptr == NULL) return; pixmap = sna_pixmap_create_unattached(screen, 0, 0, sna->front->drawable.depth); if (pixmap == NullPixmap) return; if (!screen->ModifyPixmapHeader(pixmap, crtc->mode.HDisplay, crtc->mode.VDisplay, sna->front->drawable.depth, sna->front->drawable.bitsPerPixel, sna_crtc->bo->pitch, ptr)) goto free_pixmap; error = sna_render_format_for_depth(sna->front->drawable.depth); format = PictureMatchFormat(screen, PIXMAN_FORMAT_DEPTH(error), error); if (format == NULL) { DBG(("%s: can't find format for depth=%d [%08x]\n", __FUNCTION__, sna->front->drawable.depth, (int)sna_render_format_for_depth(sna->front->drawable.depth))); goto free_pixmap; } src = CreatePicture(None, &sna->front->drawable, format, 0, NULL, serverClient, &error); if (!src) goto free_pixmap; error = SetPictureTransform(src, &crtc->crtc_to_framebuffer); if (error) goto free_src; if (crtc->filter) SetPicturePictFilter(src, crtc->filter, crtc->params, crtc->nparams); dst = CreatePicture(None, &pixmap->drawable, format, 0, NULL, serverClient, &error); if (!dst) goto free_src; kgem_bo_sync__gtt(&sna->kgem, sna_crtc->bo); if (sigtrap_get() == 0) { /* paranoia */ const BoxRec *b = REGION_RECTS(region); int n = REGION_NUM_RECTS(region); do { BoxRec box; box = *b++; transformed_box(&box, crtc); DBG(("%s: (%d, %d)x(%d, %d) -> (%d, %d), (%d, %d)\n", __FUNCTION__, b[-1].x1, b[-1].y1, b[-1].x2-b[-1].x1, b[-1].y2-b[-1].y1, box.x1, box.y1, box.x2, box.y2)); fbComposite(PictOpSrc, src, NULL, dst, box.x1, box.y1, 0, 0, box.x1, box.y1, box.x2 - box.x1, box.y2 - box.y1); } while (--n); sigtrap_put(); } FreePicture(dst, None); free_src: FreePicture(src, None); free_pixmap: screen->DestroyPixmap(pixmap); } static void sna_crtc_redisplay__composite(xf86CrtcPtr crtc, RegionPtr region, struct kgem_bo *bo) { struct sna *sna = to_sna(crtc->scrn); ScreenPtr screen = crtc->scrn->pScreen; struct sna_composite_op tmp; PictFormatPtr format; PicturePtr src, dst; PixmapPtr pixmap; BoxPtr b; int n, error; DBG(("%s: compositing transformed damage boxes\n", __FUNCTION__)); pixmap = sna_pixmap_create_unattached(screen, crtc->mode.HDisplay, crtc->mode.VDisplay, sna->front->drawable.depth); if (pixmap == NullPixmap) return; if (!sna_pixmap_attach_to_bo(pixmap, bo)) goto free_pixmap; error = sna_render_format_for_depth(sna->front->drawable.depth); format = PictureMatchFormat(screen, PIXMAN_FORMAT_DEPTH(error), error); if (format == NULL) { DBG(("%s: can't find format for depth=%d [%08x]\n", __FUNCTION__, sna->front->drawable.depth, (int)sna_render_format_for_depth(sna->front->drawable.depth))); goto free_pixmap; } src = CreatePicture(None, &sna->front->drawable, format, 0, NULL, serverClient, &error); if (!src) goto free_pixmap; error = SetPictureTransform(src, &crtc->crtc_to_framebuffer); if (error) goto free_src; if (crtc->filter) SetPicturePictFilter(src, crtc->filter, crtc->params, crtc->nparams); dst = CreatePicture(None, &pixmap->drawable, format, 0, NULL, serverClient, &error); if (!dst) goto free_src; ValidatePicture(src); ValidatePicture(dst); if (!sna->render.composite(sna, PictOpSrc, src, NULL, dst, 0, 0, 0, 0, 0, 0, crtc->mode.HDisplay, crtc->mode.VDisplay, memset(&tmp, 0, sizeof(tmp)))) { DBG(("%s: unsupported operation!\n", __FUNCTION__)); sna_crtc_redisplay__fallback(crtc, region); goto free_dst; } n = REGION_NUM_RECTS(region); b = REGION_RECTS(region); do { BoxRec box; box = *b++; transformed_box(&box, crtc); DBG(("%s: (%d, %d)x(%d, %d) -> (%d, %d), (%d, %d)\n", __FUNCTION__, b[-1].x1, b[-1].y1, b[-1].x2-b[-1].x1, b[-1].y2-b[-1].y1, box.x1, box.y1, box.x2, box.y2)); tmp.box(sna, &tmp, &box); } while (--n); tmp.done(sna, &tmp); free_dst: FreePicture(dst, None); free_src: FreePicture(src, None); free_pixmap: screen->DestroyPixmap(pixmap); } static void sna_crtc_redisplay(xf86CrtcPtr crtc, RegionPtr region) { struct sna *sna = to_sna(crtc->scrn); struct sna_crtc *sna_crtc = to_sna_crtc(crtc); struct sna_pixmap *priv = sna_pixmap(sna->front); int16_t tx, ty; DBG(("%s: crtc %d [pipe=%d], damage (%d, %d), (%d, %d) x %ld\n", __FUNCTION__, sna_crtc->id, sna_crtc->pipe, region->extents.x1, region->extents.y1, region->extents.x2, region->extents.y2, (long)RegionNumRects(region))); assert(!wedged(sna)); if (priv->clear) { DBG(("%s: clear damage boxes\n", __FUNCTION__)); RegionTranslate(region, -crtc->bounds.x1, -crtc->bounds.y1); sna_blt_fill_boxes(sna, GXcopy, sna_crtc->bo, sna->front->drawable.bitsPerPixel, priv->clear_color, REGION_RECTS(region), REGION_NUM_RECTS(region)); return; } if (crtc->filter == NULL && sna_transform_is_integer_translation(&crtc->crtc_to_framebuffer, &tx, &ty)) { PixmapRec tmp; DBG(("%s: copy damage boxes\n", __FUNCTION__)); tmp.drawable.width = crtc->mode.HDisplay; tmp.drawable.height = crtc->mode.VDisplay; tmp.drawable.depth = sna->front->drawable.depth; tmp.drawable.bitsPerPixel = sna->front->drawable.bitsPerPixel; if (sna->render.copy_boxes(sna, GXcopy, sna->front, priv->gpu_bo, 0, 0, &tmp, sna_crtc->bo, -tx, -ty, REGION_RECTS(region), REGION_NUM_RECTS(region), 0)) return; } if (can_render(sna)) sna_crtc_redisplay__composite(crtc, region, sna_crtc->bo); else sna_crtc_redisplay__fallback(crtc, region); } struct wait_for_shadow { RegionRec region; struct kgem_bo *bo; }; static bool wait_for_shadow(struct sna *sna, struct sna_pixmap *priv, unsigned flags) { struct wait_for_shadow *wait = priv->move_to_gpu_data; struct kgem_bo *bo = wait->bo; PixmapPtr pixmap = priv->pixmap; DamagePtr damage; bool ret = true; DBG(("%s: flags=%x, shadow_flip=%d, handle=%d, wait=%d, old=%d\n", __FUNCTION__, flags, sna->mode.shadow_flip, priv->gpu_bo->handle, wait->bo->handle, sna->mode.shadow->handle)); assert(wait->bo != priv->gpu_bo); if (flags == 0 || pixmap != sna->front || !sna->mode.shadow_damage) goto done; if ((flags & MOVE_WRITE) == 0) return true; assert(sna->mode.shadow_active); assert(priv->gpu_bo->refcnt >= 1); sna->mode.shadow = priv->gpu_bo; damage = sna->mode.shadow_damage; sna->mode.shadow_damage = NULL; while (sna->mode.shadow_flip && sna_mode_has_pending_events(sna)) sna_mode_wakeup(sna); if (sna->mode.shadow_flip) { bo = kgem_create_2d(&sna->kgem, pixmap->drawable.width, pixmap->drawable.height, pixmap->drawable.bitsPerPixel, priv->gpu_bo->tiling, CREATE_EXACT | CREATE_SCANOUT); if (bo != NULL) { DBG(("%s: replacing still-attached GPU bo\n", __FUNCTION__)); kgem_bo_destroy(&sna->kgem, wait->bo); RegionUninit(&wait->region); wait->region.extents.x1 = 0; wait->region.extents.y1 = 0; wait->region.extents.x2 = pixmap->drawable.width; wait->region.extents.y2 = pixmap->drawable.height; wait->region.data = NULL; } else { while (sna->mode.shadow_flip && sna_mode_wait_for_event(sna)) sna_mode_wakeup(sna); } } sna->mode.shadow_damage = damage; if (flags & MOVE_READ) { DBG(("%s: copying existing GPU damage: %ldx(%d, %d), (%d, %d)\n", __FUNCTION__, (long)REGION_NUM_RECTS(&wait->region), wait->region.extents.x1, wait->region.extents.y1, wait->region.extents.x2, wait->region.extents.y2)); ret = sna->render.copy_boxes(sna, GXcopy, pixmap, priv->gpu_bo, 0, 0, pixmap, bo, 0, 0, REGION_RECTS(&wait->region), REGION_NUM_RECTS(&wait->region), 0); } if (priv->cow) sna_pixmap_undo_cow(sna, priv, 0); sna_pixmap_unmap(pixmap, priv); priv->gpu_bo = bo; sna_dri_pixmap_update_bo(sna, pixmap); done: kgem_bo_destroy(&sna->kgem, wait->bo); RegionUninit(&wait->region); free(wait); priv->move_to_gpu_data = NULL; priv->move_to_gpu = NULL; return ret; } static void set_bo(PixmapPtr pixmap, struct kgem_bo *bo, RegionPtr region) { struct sna_pixmap *priv = sna_pixmap(pixmap); struct wait_for_shadow *wait; assert((priv->pinned & PIN_PRIME) == 0); assert(bo != priv->gpu_bo); assert(priv->gpu_bo); assert(priv->move_to_gpu == NULL); wait = malloc(sizeof(*wait)); if (wait != NULL) { wait->bo = kgem_bo_reference(bo); RegionNull(&wait->region); RegionCopy(&wait->region, region); priv->move_to_gpu = wait_for_shadow; priv->move_to_gpu_data = wait; } priv->pinned |= PIN_SCANOUT; } void sna_mode_redisplay(struct sna *sna) { xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(sna->scrn); RegionPtr region; int i; if (!sna->mode.shadow_damage) return; DBG(("%s: posting shadow damage? %d\n", __FUNCTION__, !RegionNil(DamageRegion(sna->mode.shadow_damage)))); assert((sna->flags & SNA_IS_HOSTED) == 0); assert(sna->mode.shadow_active); region = DamageRegion(sna->mode.shadow_damage); if (RegionNil(region)) return; DBG(("%s: damage: %ldx(%d, %d), (%d, %d)\n", __FUNCTION__, (long)REGION_NUM_RECTS(region), region->extents.x1, region->extents.y1, region->extents.x2, region->extents.y2)); if (sna->mode.shadow_flip) { DamagePtr damage; damage = sna->mode.shadow_damage; sna->mode.shadow_damage = NULL; while (sna->mode.shadow_flip && sna_mode_has_pending_events(sna)) sna_mode_wakeup(sna); sna->mode.shadow_damage = damage; } if (sna->mode.shadow_flip) return; if (wedged(sna) || !sna_pixmap_move_to_gpu(sna->front, MOVE_READ | MOVE_ASYNC_HINT)) { if (!sna_pixmap_move_to_cpu(sna->front, MOVE_READ)) return; for (i = 0; i < config->num_crtc; i++) { xf86CrtcPtr crtc = config->crtc[i]; struct sna_crtc *sna_crtc = to_sna_crtc(crtc); RegionRec damage; if (sna_crtc == NULL || !sna_crtc->shadow) continue; assert(crtc->enabled); assert(crtc->transform_in_use); damage.extents = crtc->bounds; damage.data = NULL; RegionIntersect(&damage, &damage, region); if (RegionNotEmpty(&damage)) sna_crtc_redisplay__fallback(crtc, &damage); RegionUninit(&damage); } RegionEmpty(region); return; } assert(sna_pixmap(sna->front)->move_to_gpu == NULL); for (i = 0; i < config->num_crtc; i++) { xf86CrtcPtr crtc = config->crtc[i]; struct sna_crtc *sna_crtc = to_sna_crtc(crtc); RegionRec damage; if (sna_crtc == NULL || !sna_crtc->shadow || sna_crtc->bo == sna->mode.shadow) continue; assert(crtc->enabled); assert(crtc->transform_in_use); damage.extents = crtc->bounds; damage.data = NULL; RegionIntersect(&damage, &damage, region); if (RegionNotEmpty(&damage)) { if (sna->flags & SNA_TEAR_FREE) { struct drm_mode_crtc_page_flip arg; struct kgem_bo *bo; RegionUninit(&damage); damage.extents = crtc->bounds; damage.data = NULL; bo = sna_crtc->shadow_bo; if (bo == NULL) bo = kgem_create_2d(&sna->kgem, crtc->mode.HDisplay, crtc->mode.VDisplay, crtc->scrn->bitsPerPixel, sna_crtc->bo->tiling, CREATE_SCANOUT); if (bo == NULL) goto disable1; sna_crtc_redisplay__composite(crtc, &damage, bo); kgem_bo_submit(&sna->kgem, bo); arg.crtc_id = sna_crtc->id; arg.fb_id = get_fb(sna, bo, crtc->mode.HDisplay, crtc->mode.VDisplay); if (arg.fb_id == 0) goto disable1; arg.user_data = 0; arg.flags = DRM_MODE_PAGE_FLIP_EVENT; arg.reserved = 0; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_PAGE_FLIP, &arg)) { DBG(("%s: flip [fb=%d] on crtc %d [%d, pipe=%d] failed - %d\n", __FUNCTION__, arg.fb_id, i, sna_crtc->id, sna_crtc->pipe, errno)); disable1: xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR, "%s: page flipping failed, disabling CRTC:%d (pipe=%d)\n", __FUNCTION__, sna_crtc->id, sna_crtc->pipe); sna_crtc_disable(crtc); continue; } sna_crtc->shadow_bo = sna_crtc->bo; sna_crtc->bo = bo; sna->mode.shadow_flip++; } else { sna_crtc_redisplay(crtc, &damage); kgem_scanout_flush(&sna->kgem, sna_crtc->bo); } } RegionUninit(&damage); } if (sna->mode.shadow) { struct kgem_bo *new = __sna_pixmap_get_bo(sna->front); struct kgem_bo *old = sna->mode.shadow; DBG(("%s: flipping tear-free outputs\n", __FUNCTION__)); kgem_bo_submit(&sna->kgem, new); for (i = 0; i < config->num_crtc; i++) { struct sna_crtc *crtc = config->crtc[i]->driver_private; struct drm_mode_crtc_page_flip arg; if (crtc == NULL) continue; DBG(("%s: crtc %d [%d, pipe=%d] active? %d\n", __FUNCTION__, i, crtc->id, crtc->pipe, crtc && crtc->bo)); if (crtc->bo != old) continue; assert(config->crtc[i]->enabled); assert(crtc->dpms_mode == DPMSModeOn); arg.crtc_id = crtc->id; arg.fb_id = get_fb(sna, new, sna->scrn->virtualX, sna->scrn->virtualY); if (arg.fb_id == 0) goto disable2; arg.user_data = 0; arg.flags = DRM_MODE_PAGE_FLIP_EVENT; arg.reserved = 0; if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_PAGE_FLIP, &arg)) { DBG(("%s: flip [fb=%d] on crtc %d [%d, pipe=%d] failed - %d\n", __FUNCTION__, arg.fb_id, i, crtc->id, crtc->pipe, errno)); disable2: xf86DrvMsg(sna->scrn->scrnIndex, X_ERROR, "%s: page flipping failed, disabling CRTC:%d (pipe=%d)\n", __FUNCTION__, crtc->id, crtc->pipe); sna_crtc_disable(config->crtc[i]); continue; } sna->mode.shadow_flip++; kgem_bo_destroy(&sna->kgem, old); crtc->bo = kgem_bo_reference(new); } if (sna->mode.shadow) { assert(old == sna->mode.shadow); assert(old->refcnt >= 1); set_bo(sna->front, old, region); } } else kgem_submit(&sna->kgem); RegionEmpty(region); } void sna_mode_wakeup(struct sna *sna) { char buffer[1024]; int len, i; /* The DRM read semantics guarantees that we always get only * complete events. */ len = read(sna->kgem.fd, buffer, sizeof (buffer)); if (len < (int)sizeof(struct drm_event)) return; DBG(("%s: len=%d\n", __FUNCTION__, len)); i = 0; while (i < len) { struct drm_event *e = (struct drm_event *)&buffer[i]; switch (e->type) { case DRM_EVENT_VBLANK: sna_dri_vblank_handler(sna, (struct drm_event_vblank *)e); break; case DRM_EVENT_FLIP_COMPLETE: if (((struct drm_event_vblank *)e)->user_data) { sna_dri_page_flip_handler(sna, (struct drm_event_vblank *)e); } else { if (!--sna->mode.shadow_flip) sna_mode_redisplay(sna); } break; default: break; } i += e->length; } }