[2172563] [IPU7] Stale 64-byte cache lines in captured frames (colored horizontal dashes on motion) - please backport "media: staging/ipu7: Synchronize capture buffers at the vb2 boundaries"
LaunchpadBug #2172563 “[IPU7] Stale 64-byte cache lines in captured frame...” : Bugs : linux package : UbuntuOn a Lenovo ThinkPad X9-15 Gen 1 (Intel Core Ultra 7 258V, Lunar Lake, IPU7 8086:645d, Sony IMX471 sensor), the built-in camera works through libcamera, but frames contain short colored horizontal dashes wherever the image changes between frames, for example when moving a hand quickly in front of the camera. A static scene looks clean.
Analysis:
- Most full-length dashes are exactly 32 pixels wid