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feat(m5stack-tab5): multi-framebuffer DPI panel + LVGL DIRECT rendering into the frame buffers (supersedes #847) - #877

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finger563 merged 14 commits into

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feat/tab5-multi-framebuffer

Nov 3, 2026

Merged

feat(m5stack-tab5): multi-framebuffer DPI panel + LVGL DIRECT rendering into the frame buffers (supersedes #847)#877
finger563 merged 14 commits into
mainfrom
feat/tab5-multi-framebuffer

Commits on Nov 2, 2026
- feat(m5stack-tab5): configurable DPI frame-buffer count and access to the panel's frame buffers
  
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- docs(m5stack-tab5): a custom LVGL flush callback must call lv_display_flush_ready() itself
  
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- docs(m5stack-tab5): call lv_display_flush_ready() once per flush call, or use a flush wait callback
  
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- feat(m5stack-tab5): vsync-gated present_frame() for tear-free frame-buffer swaps
  
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- feat(m5stack-tab5): example sleeps per lv_timer_handler() when rendering into the frame buffers
  
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- fix(m5stack-tab5): present_frame() takes part in the transfer accounting
  
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- fix(m5stack-tab5): present_frame() waits for a second frame-done event where it is the bridge VSYNC
  
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- fix(m5stack-tab5): refuse DIRECT mode when LVGL's stride or the rotation would break it
  
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- fix(m5stack-tab5): present_frame() accepts any pointer inside a frame buffer; one presenter at a time
  
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- feat(m5stack-tab5): keep the direct-to-framebuffer PPA rotation with several frame buffers
  
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- refactor(m5stack-tab5): espp bool naming for the DIRECT-mode flag; frame-buffer Kconfig help states the cost
  
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- fix(m5stack-tab5): run lv_init() before querying LVGL's stride in initialize_display()
  
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- fix(m5stack-tab5): review follow-ups on the multi-framebuffer PR
  
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Commits on Nov 3, 2026
- fix(m5stack-tab5): present_frame() refuses a single frame buffer; re-arming vsync resets its warning
  
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Commits

Commits on Nov 2, 2026

Commits on Nov 3, 2026