| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Maarten Lankhorst | 854 | 46.72% | 8 | 11.94% |
| Jani Nikula | 314 | 17.18% | 20 | 29.85% |
| Matthew Brost | 194 | 10.61% | 1 | 1.49% |
| Vivek Kasireddy | 100 | 5.47% | 1 | 1.49% |
| Lucas De Marchi | 52 | 2.84% | 5 | 7.46% |
| Vinod Govindapillai | 51 | 2.79% | 1 | 1.49% |
| Rodrigo Vivi | 46 | 2.52% | 6 | 8.96% |
| Gustavo Sousa | 45 | 2.46% | 4 | 5.97% |
| Imre Deak | 38 | 2.08% | 4 | 5.97% |
| Matthew Auld | 35 | 1.91% | 2 | 2.99% |
| Francois Dugast | 27 | 1.48% | 1 | 1.49% |
| Thomas Zimmermann | 20 | 1.09% | 2 | 2.99% |
| Dibin Moolakadan Subrahmanian | 15 | 0.82% | 1 | 1.49% |
| Jouni Högander | 10 | 0.55% | 1 | 1.49% |
| Matt Roper | 8 | 0.44% | 3 | 4.48% |
| Anshuman Gupta | 6 | 0.33% | 1 | 1.49% |
| Bommithi Sakeena | 4 | 0.22% | 1 | 1.49% |
| Ville Syrjälä | 3 | 0.16% | 1 | 1.49% |
| Michał Winiarski | 2 | 0.11% | 1 | 1.49% |
| Shobhit Kumar | 2 | 0.11% | 1 | 1.49% |
| Dave Airlie | 1 | 0.05% | 1 | 1.49% |
| Daniel Vetter | 1 | 0.05% | 1 | 1.49% |
| Total | 1828 | 67 |
// SPDX-License-Identifier: MIT /* * Copyright © 2023 Intel Corporation */ #include "xe_display.h" #include "regs/xe_irq_regs.h" #include <linux/fb.h> #include <drm/drm_client.h> #include <drm/drm_client_event.h> #include <drm/drm_drv.h> #include <drm/drm_managed.h> #include <drm/drm_probe_helper.h> #include <drm/intel/display_member.h> #include <drm/intel/display_parent_interface.h> #include <uapi/drm/xe_drm.h> #include "soc/intel_dram.h" #include "intel_acpi.h" #include "intel_audio.h" #include "intel_bw.h" #include "intel_display.h" #include "intel_display_device.h" #include "intel_display_driver.h" #include "intel_display_irq.h" #include "intel_display_types.h" #include "intel_dmc.h" #include "intel_dmc_wl.h" #include "intel_dp.h" #include "intel_encoder.h" #include "intel_fbdev.h" #include "intel_hdcp.h" #include "intel_hotplug.h" #include "intel_opregion.h" #include "skl_watermark.h" #include "xe_display_rpm.h" #include "xe_module.h" /* Ensure drm and display members are placed properly. */ INTEL_DISPLAY_MEMBER_STATIC_ASSERT(struct xe_device, drm, display); /* Xe device functions */ /** * xe_display_driver_probe_defer - Detect if we need to wait for other drivers * early on * @pdev: PCI device * * Note: This is called before xe or display device creation. * * Returns: true if probe needs to be deferred, false otherwise */ bool xe_display_driver_probe_defer(struct pci_dev *pdev) { if (!xe_modparam.probe_display) return 0; return intel_display_driver_probe_defer(pdev); } /** * xe_display_driver_set_hooks - Add driver flags and hooks for display * @driver: DRM device driver * * Set features and function hooks in @driver that are needed for driving the * display IP. This sets the driver's capability of driving display, regardless * if the device has it enabled * * Note: This is called before xe or display device creation. */ void xe_display_driver_set_hooks(struct drm_driver *driver) { if (!xe_modparam.probe_display) return; #ifdef CONFIG_DRM_FBDEV_EMULATION driver->fbdev_probe = intel_fbdev_driver_fbdev_probe; #endif driver->driver_features |= DRIVER_MODESET | DRIVER_ATOMIC; } static void unset_display_features(struct xe_device *xe) { xe->drm.driver_features &= ~(DRIVER_MODESET | DRIVER_ATOMIC); } static void xe_display_fini_early(void *arg) { struct xe_device *xe = arg; struct intel_display *display = xe->display; if (!xe->info.probe_display) return; intel_hpd_cancel_work(display); intel_display_driver_remove_nogem(display); intel_display_driver_remove_noirq(display); intel_opregion_cleanup(display); intel_power_domains_cleanup(display); } int xe_display_init_early(struct xe_device *xe) { struct intel_display *display = xe->display; int err; if (!xe->info.probe_display) return 0; /* Fake uncore lock */ spin_lock_init(&xe->uncore.lock); intel_display_driver_early_probe(display); /* Early display init.. */ intel_opregion_setup(display); /* * Fill the dram structure to get the system dram info. This will be * used for memory latency calculation. */ err = intel_dram_detect(xe); if (err) goto err_opregion; intel_bw_init_hw(display); intel_display_device_info_runtime_init(display); err = intel_display_driver_probe_noirq(display); if (err) goto err_opregion; err = intel_display_driver_probe_nogem(display); if (err) goto err_noirq; return devm_add_action_or_reset(xe->drm.dev, xe_display_fini_early, xe); err_noirq: intel_display_driver_remove_noirq(display); intel_power_domains_cleanup(display); err_opregion: intel_opregion_cleanup(display); return err; } static void xe_display_fini(void *arg) { struct xe_device *xe = arg; struct intel_display *display = xe->display; intel_hpd_poll_fini(display); intel_hdcp_component_fini(display); intel_audio_deinit(display); intel_display_driver_remove(display); } int xe_display_init(struct xe_device *xe) { struct intel_display *display = xe->display; int err; if (!xe->info.probe_display) return 0; err = intel_display_driver_probe(display); if (err) return err; return devm_add_action_or_reset(xe->drm.dev, xe_display_fini, xe); } void xe_display_register(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; intel_display_driver_register(display); intel_power_domains_enable(display); } void xe_display_unregister(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; intel_power_domains_disable(display); intel_display_driver_unregister(display); } /* IRQ-related functions */ void xe_display_irq_handler(struct xe_device *xe, u32 master_ctl) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; if (master_ctl & DISPLAY_IRQ) gen11_display_irq_handler(display); } void xe_display_irq_enable(struct xe_device *xe, u32 gu_misc_iir) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; if (gu_misc_iir & GU_MISC_GSE) intel_opregion_asle_intr(display); } void xe_display_irq_reset(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; gen11_display_irq_reset(display); } void xe_display_irq_postinstall(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; gen11_de_irq_postinstall(display); } static bool suspend_to_idle(void) { #if IS_ENABLED(CONFIG_ACPI_SLEEP) if (acpi_target_system_state() < ACPI_STATE_S3) return true; #endif return false; } static void xe_display_flush_cleanup_work(struct xe_device *xe) { struct intel_crtc *crtc; for_each_intel_crtc(&xe->drm, crtc) { struct drm_crtc_commit *commit; spin_lock(&crtc->base.commit_lock); commit = list_first_entry_or_null(&crtc->base.commit_list, struct drm_crtc_commit, commit_entry); if (commit) drm_crtc_commit_get(commit); spin_unlock(&crtc->base.commit_lock); if (commit) { wait_for_completion(&commit->cleanup_done); drm_crtc_commit_put(commit); } } } static void xe_display_enable_d3cold(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; /* * We do a lot of poking in a lot of registers, make sure they work * properly. */ intel_power_domains_disable(display); xe_display_flush_cleanup_work(xe); intel_opregion_suspend(display, PCI_D3cold); intel_dmc_suspend(display); if (intel_display_device_present(display)) intel_hpd_poll_enable(display); } static void xe_display_disable_d3cold(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; intel_dmc_resume(display); if (intel_display_device_present(display)) drm_mode_config_reset(&xe->drm); intel_display_driver_init_hw(display); intel_hpd_init(display); if (intel_display_device_present(display)) intel_hpd_poll_disable(display); intel_opregion_resume(display); intel_power_domains_enable(display); } void xe_display_pm_suspend(struct xe_device *xe) { struct intel_display *display = xe->display; bool s2idle = suspend_to_idle(); if (!xe->info.probe_display) return; /* * We do a lot of poking in a lot of registers, make sure they work * properly. */ intel_power_domains_disable(display); drm_client_dev_suspend(&xe->drm); if (intel_display_device_present(display)) { drm_kms_helper_poll_disable(&xe->drm); intel_display_driver_disable_user_access(display); intel_display_driver_suspend(display); } xe_display_flush_cleanup_work(xe); intel_encoder_block_all_hpds(display); intel_hpd_cancel_work(display); if (intel_display_device_present(display)) { intel_display_driver_suspend_access(display); intel_encoder_suspend_all(display); } intel_opregion_suspend(display, s2idle ? PCI_D1 : PCI_D3cold); intel_dmc_suspend(display); } void xe_display_pm_shutdown(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; intel_power_domains_disable(display); drm_client_dev_suspend(&xe->drm); if (intel_display_device_present(display)) { drm_kms_helper_poll_disable(&xe->drm); intel_display_driver_disable_user_access(display); intel_display_driver_suspend(display); } xe_display_flush_cleanup_work(xe); intel_dp_mst_suspend(display); intel_encoder_block_all_hpds(display); intel_hpd_cancel_work(display); if (intel_display_device_present(display)) intel_display_driver_suspend_access(display); intel_encoder_suspend_all(display); intel_encoder_shutdown_all(display); intel_opregion_suspend(display, PCI_D3cold); intel_dmc_suspend(display); } void xe_display_pm_runtime_suspend(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; if (xe->d3cold.allowed) { xe_display_enable_d3cold(xe); return; } intel_hpd_poll_enable(display); } void xe_display_pm_suspend_late(struct xe_device *xe) { struct intel_display *display = xe->display; bool s2idle = suspend_to_idle(); if (!xe->info.probe_display) return; intel_display_power_suspend_late(display, s2idle); } void xe_display_pm_runtime_suspend_late(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; if (xe->d3cold.allowed) xe_display_pm_suspend_late(xe); /* * If xe_display_pm_suspend_late() is not called, it is likely * that we will be on dynamic DC states with DMC wakelock enabled. We * need to flush the release work in that case. */ intel_dmc_wl_flush_release_work(display); } void xe_display_pm_shutdown_late(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; /* * The only requirement is to reboot with display DC states disabled, * for now leaving all display power wells in the INIT power domain * enabled. */ intel_power_domains_driver_remove(display); } void xe_display_pm_resume_early(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; intel_display_power_resume_early(display); } void xe_display_pm_resume(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; intel_dmc_resume(display); if (intel_display_device_present(display)) drm_mode_config_reset(&xe->drm); intel_display_driver_init_hw(display); if (intel_display_device_present(display)) intel_display_driver_resume_access(display); intel_hpd_init(display); intel_encoder_unblock_all_hpds(display); if (intel_display_device_present(display)) { intel_display_driver_resume(display); drm_kms_helper_poll_enable(&xe->drm); intel_display_driver_enable_user_access(display); } if (intel_display_device_present(display)) intel_hpd_poll_disable(display); intel_opregion_resume(display); drm_client_dev_resume(&xe->drm); intel_power_domains_enable(display); } void xe_display_pm_runtime_resume(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; if (xe->d3cold.allowed) { xe_display_disable_d3cold(xe); return; } intel_hpd_init(display); intel_hpd_poll_disable(display); skl_watermark_ipc_update(display); } static void display_device_remove(struct drm_device *dev, void *arg) { struct intel_display *display = arg; intel_display_device_remove(display); } static const struct intel_display_parent_interface parent = { .rpm = &xe_display_rpm_interface, }; /** * xe_display_probe - probe display and create display struct * @xe: XE device instance * * Initialize all fields used by the display part. * * TODO: once everything can be inside a single struct, make the struct opaque * to the rest of xe and return it to be xe->display. * * Returns: 0 on success */ int xe_display_probe(struct xe_device *xe) { struct pci_dev *pdev = to_pci_dev(xe->drm.dev); struct intel_display *display; int err; if (!xe->info.probe_display) goto no_display; display = intel_display_device_probe(pdev, &parent); if (IS_ERR(display)) return PTR_ERR(display); err = drmm_add_action_or_reset(&xe->drm, display_device_remove, display); if (err) return err; xe->display = display; if (intel_display_device_present(display)) return 0; no_display: xe->info.probe_display = false; unset_display_features(xe); return 0; }