struct drm_pending_vblank_event *event, uint32_t page_flip_flags, struct drm_modeset_acquire_ctx *ctx) { unsigned long flags; crtc->primary->fb = fb; if (event) { spin_lock_irqsave(&crtc->dev->event_lock, flags); drm_crtc_send_vblank_event(crtc, event); spin_unlock_irqrestore(&...
struct drm_pending_vblank_event *event, uint32_tpage_flip_flags, struct drm_modeset_acquire_ctx *ctx) { unsignedlongflags; crtc->primary->fb = fb; if(event) { spin_lock_irqsave(&crtc->dev->event_lock, flags); drm_crtc_send_vblank_event(crtc, event); spin_unlock_irqrestore(&crtc->...
*/ int (*page_flip)(struct drm_crtc *crtc, struct drm_framebuffer *fb, struct drm_pending_vblank_event *event, uint32_t flags, struct drm_modeset_acquire_ctx *ctx); /** * @page_flip_target: * * Same as @page_flip but with an additional parameter specifying the * absolute target...
openharmony系统要求,linux内核为5.10,显示框架为drm方式。目前手上的设备芯片平台为linux-3.10, 显示为framebuffer机制。前期经过痛苦的折腾已经将芯片平台最小系统移植到linux-5.10。对于drm显示框架,也是刚刚接触,drm显示比较复杂,参考了大量博客文章,如DRM(Direct Rendering Manager)学习简介-CSDN博客, 以下如有问题,欢...
{if(event->type() ==QEvent::UpdateRequest) {--事件需要更新屏幕。doRedraw(); mUpdatePending=false;returntrue; }returnQObject::event(event); } 2.1.3 关闭Framebuffer设备 在QLinuxFbScreen对象析构时,关闭Framebuffer设备: QLinuxFbScreen::~QLinuxFbScreen() ...
drm_crtc结构体类型如下: AI检测代码解析 /** * struct drm_crtc - central CRTC control structure * * Each CRTC may have one or more connectors associated with it. This structure * allows the CRTC to be controlled. */ struct drm_crtc { ...
We read every piece of feedback, and take your input very seriously. Include my email address so I can be contacted Cancel Submit feedback Saved searches Use saved searches to filter your results more quickly Cancel Create saved search Sign in Sign up Reseting focus {...
Pending 3 Usable 0 UsableInFuture 5 Remarks Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License. Applies to ProduktVersionen .NET Android Xamarin.Android...
/*** struct drm_pending_vblank_event - pending vblank event tracking*/structdrm_pending_vblank_event{/*** @base: Base structure for tracking pending DRM events.*/structdrm_pending_eventbase;/*** @pipe: drm_crtc_index() of the &drm_crtc this event is for.*/unsignedintpipe;/*** @...
struct drm_pending_vblank_event *event = crtc->state->event; struct drm_plane_state *state = pipe->plane.state; struct drm_rect rect; if (drm_atomic_helper_damage_merged(old_state, state, &rect)) fb2000_dirty(state->fb, &rect); if...