static int mdp5_global_obj_init(struct mdp5_kms *mdp5_kms) { struct mdp5_global_state *state; drm_modeset_lock_init(&mdp5_kms->glob_state_lock); state = kzalloc(sizeof(*state), GFP_KERNEL); if (!state) return -ENOMEM; state->mdp5_kms = mdp5_kms; drm_atomic_private_obj_init(mdp5_kms->dev, &mdp5_kms->glob_state, &state->base, &mdp5_global_state_funcs); return 0; }
/** * drm_universal_plane_init - Initialize a new universal plane object * @dev: DRM device * @plane: plane object to init * @possible_crtcs: bitmask of possible CRTCs * @funcs: callbacks for the new plane * @formats: array of supported formats (DRM_FORMAT\_\*) * @format_count: number of elements in @formats * @type: type of plane (overlay, primary, cursor) * @name: printf style format string for the plane name, or NULL for default name * * Initializes a plane object of type @type. * * Returns: * Zero on success, error code on failure. */ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, uint32_t possible_crtcs, const struct drm_plane_funcs *funcs, const uint32_t *formats, unsigned int format_count, enum drm_plane_type type, const char *name, ...) { struct drm_mode_config *config = &dev->mode_config; int ret; ret = drm_mode_object_add(dev, &plane->base, DRM_MODE_OBJECT_PLANE); if (ret) return ret; drm_modeset_lock_init(&plane->mutex); plane->base.properties = &plane->properties; plane->dev = dev; plane->funcs = funcs; plane->format_types = kmalloc_array(format_count, sizeof(uint32_t), GFP_KERNEL); if (!plane->format_types) { DRM_DEBUG_KMS("out of memory when allocating plane\n"); drm_mode_object_unregister(dev, &plane->base); return -ENOMEM; } if (name) { va_list ap; va_start(ap, name); plane->name = kvasprintf(GFP_KERNEL, name, ap); va_end(ap); } else { plane->name = kasprintf(GFP_KERNEL, "plane-%d", drm_num_planes(dev)); } if (!plane->name) { kfree(plane->format_types); drm_mode_object_unregister(dev, &plane->base); return -ENOMEM; } memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); plane->format_count = format_count; plane->possible_crtcs = possible_crtcs; plane->type = type; list_add_tail(&plane->head, &config->plane_list); plane->index = config->num_total_plane++; if (plane->type == DRM_PLANE_TYPE_OVERLAY) config->num_overlay_plane++; drm_object_attach_property(&plane->base, config->plane_type_property, plane->type); if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { drm_object_attach_property(&plane->base, config->prop_fb_id, 0); drm_object_attach_property(&plane->base, config->prop_in_fence_fd, -1); drm_object_attach_property(&plane->base, config->prop_crtc_id, 0); drm_object_attach_property(&plane->base, config->prop_crtc_x, 0); drm_object_attach_property(&plane->base, config->prop_crtc_y, 0); drm_object_attach_property(&plane->base, config->prop_crtc_w, 0); drm_object_attach_property(&plane->base, config->prop_crtc_h, 0); drm_object_attach_property(&plane->base, config->prop_src_x, 0); drm_object_attach_property(&plane->base, config->prop_src_y, 0); drm_object_attach_property(&plane->base, config->prop_src_w, 0); drm_object_attach_property(&plane->base, config->prop_src_h, 0); } return 0; }
static int mdp5_init(struct platform_device *pdev, struct drm_device *dev) { struct msm_drm_private *priv = dev->dev_private; struct mdp5_kms *mdp5_kms; struct mdp5_cfg *config; u32 major, minor; int ret; mdp5_kms = devm_kzalloc(&pdev->dev, sizeof(*mdp5_kms), GFP_KERNEL); if (!mdp5_kms) { ret = -ENOMEM; goto fail; } platform_set_drvdata(pdev, mdp5_kms); spin_lock_init(&mdp5_kms->resource_lock); mdp5_kms->dev = dev; mdp5_kms->pdev = pdev; drm_modeset_lock_init(&mdp5_kms->state_lock); mdp5_kms->state = kzalloc(sizeof(*mdp5_kms->state), GFP_KERNEL); if (!mdp5_kms->state) { ret = -ENOMEM; goto fail; } mdp5_kms->mmio = msm_ioremap(pdev, "mdp_phys", "MDP5"); if (IS_ERR(mdp5_kms->mmio)) { ret = PTR_ERR(mdp5_kms->mmio); goto fail; } /* mandatory clocks: */ ret = get_clk(pdev, &mdp5_kms->axi_clk, "bus", true); if (ret) goto fail; ret = get_clk(pdev, &mdp5_kms->ahb_clk, "iface", true); if (ret) goto fail; ret = get_clk(pdev, &mdp5_kms->core_clk, "core", true); if (ret) goto fail; ret = get_clk(pdev, &mdp5_kms->vsync_clk, "vsync", true); if (ret) goto fail; /* optional clocks: */ get_clk(pdev, &mdp5_kms->lut_clk, "lut", false); /* we need to set a default rate before enabling. Set a safe * rate first, then figure out hw revision, and then set a * more optimal rate: */ clk_set_rate(mdp5_kms->core_clk, 200000000); pm_runtime_enable(&pdev->dev); mdp5_kms->rpm_enabled = true; read_mdp_hw_revision(mdp5_kms, &major, &minor); mdp5_kms->cfg = mdp5_cfg_init(mdp5_kms, major, minor); if (IS_ERR(mdp5_kms->cfg)) { ret = PTR_ERR(mdp5_kms->cfg); mdp5_kms->cfg = NULL; goto fail; } config = mdp5_cfg_get_config(mdp5_kms->cfg); mdp5_kms->caps = config->hw->mdp.caps; /* TODO: compute core clock rate at runtime */ clk_set_rate(mdp5_kms->core_clk, config->hw->max_clk); /* * Some chipsets have a Shared Memory Pool (SMP), while others * have dedicated latency buffering per source pipe instead; * this section initializes the SMP: */ if (mdp5_kms->caps & MDP_CAP_SMP) { mdp5_kms->smp = mdp5_smp_init(mdp5_kms, &config->hw->smp); if (IS_ERR(mdp5_kms->smp)) { ret = PTR_ERR(mdp5_kms->smp); mdp5_kms->smp = NULL; goto fail; } } mdp5_kms->ctlm = mdp5_ctlm_init(dev, mdp5_kms->mmio, mdp5_kms->cfg); if (IS_ERR(mdp5_kms->ctlm)) { ret = PTR_ERR(mdp5_kms->ctlm); mdp5_kms->ctlm = NULL; goto fail; } ret = hwpipe_init(mdp5_kms); if (ret) goto fail; ret = hwmixer_init(mdp5_kms); if (ret) goto fail; ret = interface_init(mdp5_kms); if (ret) goto fail; /* set uninit-ed kms */ priv->kms = &mdp5_kms->base.base; return 0; fail: mdp5_destroy(pdev); return ret; }
/** * drm_crtc_init_with_planes - Initialise a new CRTC object with * specified primary and cursor planes. * @dev: DRM device * @crtc: CRTC object to init * @primary: Primary plane for CRTC * @cursor: Cursor plane for CRTC * @funcs: callbacks for the new CRTC * @name: printf style format string for the CRTC name, or NULL for default name * * Inits a new object created as base part of a driver crtc object. Drivers * should use this function instead of drm_crtc_init(), which is only provided * for backwards compatibility with drivers which do not yet support universal * planes). For really simple hardware which has only 1 plane look at * drm_simple_display_pipe_init() instead. * * Returns: * Zero on success, error code on failure. */ int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, struct drm_plane *primary, struct drm_plane *cursor, const struct drm_crtc_funcs *funcs, const char *name, ...) { struct drm_mode_config *config = &dev->mode_config; int ret; WARN_ON(primary && primary->type != DRM_PLANE_TYPE_PRIMARY); WARN_ON(cursor && cursor->type != DRM_PLANE_TYPE_CURSOR); /* crtc index is used with 32bit bitmasks */ if (WARN_ON(config->num_crtc >= 32)) return -EINVAL; WARN_ON(drm_drv_uses_atomic_modeset(dev) && (!funcs->atomic_destroy_state || !funcs->atomic_duplicate_state)); crtc->dev = dev; crtc->funcs = funcs; INIT_LIST_HEAD(&crtc->commit_list); spin_lock_init(&crtc->commit_lock); drm_modeset_lock_init(&crtc->mutex); ret = drm_mode_object_add(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); if (ret) return ret; if (name) { va_list ap; va_start(ap, name); crtc->name = kvasprintf(GFP_KERNEL, name, ap); va_end(ap); } else { crtc->name = kasprintf(GFP_KERNEL, "crtc-%d", drm_num_crtcs(dev)); } if (!crtc->name) { drm_mode_object_unregister(dev, &crtc->base); return -ENOMEM; } crtc->fence_context = dma_fence_context_alloc(1); spin_lock_init(&crtc->fence_lock); snprintf(crtc->timeline_name, sizeof(crtc->timeline_name), "CRTC:%d-%s", crtc->base.id, crtc->name); crtc->base.properties = &crtc->properties; list_add_tail(&crtc->head, &config->crtc_list); crtc->index = config->num_crtc++; crtc->primary = primary; crtc->cursor = cursor; if (primary && !primary->possible_crtcs) primary->possible_crtcs = drm_crtc_mask(crtc); if (cursor && !cursor->possible_crtcs) cursor->possible_crtcs = drm_crtc_mask(crtc); ret = drm_crtc_crc_init(crtc); if (ret) { drm_mode_object_unregister(dev, &crtc->base); return ret; } if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { drm_object_attach_property(&crtc->base, config->prop_active, 0); drm_object_attach_property(&crtc->base, config->prop_mode_id, 0); drm_object_attach_property(&crtc->base, config->prop_out_fence_ptr, 0); drm_object_attach_property(&crtc->base, config->prop_vrr_enabled, 0); } return 0; }
/** * drm_universal_plane_init - Initialize a new universal plane object * @dev: DRM device * @plane: plane object to init * @possible_crtcs: bitmask of possible CRTCs * @funcs: callbacks for the new plane * @formats: array of supported formats (DRM_FORMAT\_\*) * @format_count: number of elements in @formats * @format_modifiers: array of struct drm_format modifiers terminated by * DRM_FORMAT_MOD_INVALID * @type: type of plane (overlay, primary, cursor) * @name: printf style format string for the plane name, or NULL for default name * * Initializes a plane object of type @type. * * Returns: * Zero on success, error code on failure. */ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, uint32_t possible_crtcs, const struct drm_plane_funcs *funcs, const uint32_t *formats, unsigned int format_count, const uint64_t *format_modifiers, enum drm_plane_type type, const char *name, ...) { struct drm_mode_config *config = &dev->mode_config; unsigned int format_modifier_count = 0; int ret; /* plane index is used with 32bit bitmasks */ if (WARN_ON(config->num_total_plane >= 32)) return -EINVAL; WARN_ON(drm_drv_uses_atomic_modeset(dev) && (!funcs->atomic_destroy_state || !funcs->atomic_duplicate_state)); ret = drm_mode_object_add(dev, &plane->base, DRM_MODE_OBJECT_PLANE); if (ret) return ret; drm_modeset_lock_init(&plane->mutex); plane->base.properties = &plane->properties; plane->dev = dev; plane->funcs = funcs; plane->format_types = kmalloc_array(format_count, sizeof(uint32_t), GFP_KERNEL); if (!plane->format_types) { DRM_DEBUG_KMS("out of memory when allocating plane\n"); drm_mode_object_unregister(dev, &plane->base); return -ENOMEM; } /* * First driver to need more than 64 formats needs to fix this. Each * format is encoded as a bit and the current code only supports a u64. */ if (WARN_ON(format_count > 64)) return -EINVAL; if (format_modifiers) { const uint64_t *temp_modifiers = format_modifiers; while (*temp_modifiers++ != DRM_FORMAT_MOD_INVALID) format_modifier_count++; } plane->modifier_count = format_modifier_count; plane->modifiers = kmalloc_array(format_modifier_count, sizeof(format_modifiers[0]), GFP_KERNEL); if (format_modifier_count && !plane->modifiers) { DRM_DEBUG_KMS("out of memory when allocating plane\n"); kfree(plane->format_types); drm_mode_object_unregister(dev, &plane->base); return -ENOMEM; } if (name) { va_list ap; va_start(ap, name); plane->name = kvasprintf(GFP_KERNEL, name, ap); va_end(ap); } else { plane->name = kasprintf(GFP_KERNEL, "plane-%d", drm_num_planes(dev)); } if (!plane->name) { kfree(plane->format_types); kfree(plane->modifiers); drm_mode_object_unregister(dev, &plane->base); return -ENOMEM; } memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); plane->format_count = format_count; memcpy(plane->modifiers, format_modifiers, format_modifier_count * sizeof(format_modifiers[0])); plane->possible_crtcs = possible_crtcs; plane->type = type; list_add_tail(&plane->head, &config->plane_list); plane->index = config->num_total_plane++; drm_object_attach_property(&plane->base, config->plane_type_property, plane->type); if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { drm_object_attach_property(&plane->base, config->prop_fb_id, 0); drm_object_attach_property(&plane->base, config->prop_in_fence_fd, -1); drm_object_attach_property(&plane->base, config->prop_crtc_id, 0); drm_object_attach_property(&plane->base, config->prop_crtc_x, 0); drm_object_attach_property(&plane->base, config->prop_crtc_y, 0); drm_object_attach_property(&plane->base, config->prop_crtc_w, 0); drm_object_attach_property(&plane->base, config->prop_crtc_h, 0); drm_object_attach_property(&plane->base, config->prop_src_x, 0); drm_object_attach_property(&plane->base, config->prop_src_y, 0); drm_object_attach_property(&plane->base, config->prop_src_w, 0); drm_object_attach_property(&plane->base, config->prop_src_h, 0); } if (config->allow_fb_modifiers) create_in_format_blob(dev, plane); return 0; }