/* * Copyright © 2007 David Airlie * * 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: * David Airlie */ #include <linux/console.h> #include <linux/delay.h> #include <linux/errno.h> #include <linux/fb.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/string.h> #include <linux/sysrq.h> #include <linux/tty.h> #include <linux/vga_switcheroo.h> #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_fb_helper.h> #include <drm/drm_fourcc.h> #include <drm/drm_gem_framebuffer_helper.h> #include "gem/i915_gem_mman.h" #include "gem/i915_gem_object.h" #include "i915_drv.h" #include "intel_display_types.h" #include "intel_fb.h" #include "intel_fb_pin.h" #include "intel_fbdev.h" #include "intel_fbdev_fb.h" #include "intel_frontbuffer.h" struct intel_fbdev { … }; static struct intel_fbdev *to_intel_fbdev(struct drm_fb_helper *fb_helper) { … } static struct intel_frontbuffer *to_frontbuffer(struct intel_fbdev *ifbdev) { … } static void intel_fbdev_invalidate(struct intel_fbdev *ifbdev) { … } FB_GEN_DEFAULT_DEFERRED_IOMEM_OPS(intel_fbdev, drm_fb_helper_damage_range, drm_fb_helper_damage_area) static int intel_fbdev_set_par(struct fb_info *info) { … } static int intel_fbdev_blank(int blank, struct fb_info *info) { … } static int intel_fbdev_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) { … } static int intel_fbdev_mmap(struct fb_info *info, struct vm_area_struct *vma) { … } static void intel_fbdev_fb_destroy(struct fb_info *info) { … } __diag_push(); __diag_ignore_all("-Woverride-init", "Allow field initialization overrides for fb ops"); static const struct fb_ops intelfb_ops = …; __diag_pop(); static int intelfb_create(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { … } static int intelfb_dirty(struct drm_fb_helper *helper, struct drm_clip_rect *clip) { … } static const struct drm_fb_helper_funcs intel_fb_helper_funcs = …; /* * Build an intel_fbdev struct using a BIOS allocated framebuffer, if possible. * The core display code will have read out the current plane configuration, * so we use that to figure out if there's an object for us to use as the * fb, and if so, we re-use it for the fbdev configuration. * * Note we only support a single fb shared across pipes for boot (mostly for * fbcon), so we just find the biggest and use that. */ static bool intel_fbdev_init_bios(struct drm_device *dev, struct intel_fbdev *ifbdev) { … } static void intel_fbdev_suspend_worker(struct work_struct *work) { … } /* Suspends/resumes fbdev processing of incoming HPD events. When resuming HPD * processing, fbdev will perform a full connector reprobe if a hotplug event * was received while HPD was suspended. */ static void intel_fbdev_hpd_set_suspend(struct drm_i915_private *i915, int state) { … } void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous) { … } static int intel_fbdev_output_poll_changed(struct drm_device *dev) { … } static int intel_fbdev_restore_mode(struct drm_i915_private *dev_priv) { … } /* * Fbdev client and struct drm_client_funcs */ static void intel_fbdev_client_unregister(struct drm_client_dev *client) { … } static int intel_fbdev_client_restore(struct drm_client_dev *client) { … } static int intel_fbdev_client_hotplug(struct drm_client_dev *client) { … } static const struct drm_client_funcs intel_fbdev_client_funcs = …; void intel_fbdev_setup(struct drm_i915_private *i915) { … } struct intel_framebuffer *intel_fbdev_framebuffer(struct intel_fbdev *fbdev) { … }
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