[PATCH v2 0/3] media: dw100: Dynamic vertex map updates and fixes for PREEMPT_RT

Stefan Klug posted 3 patches 2 weeks, 3 days ago
There is a newer version of this series
drivers/media/platform/nxp/dw100/dw100.c | 75 ++++++++++++++++++++++++--------
1 file changed, 57 insertions(+), 18 deletions(-)
[PATCH v2 0/3] media: dw100: Dynamic vertex map updates and fixes for PREEMPT_RT
Posted by Stefan Klug 2 weeks, 3 days ago
Hi all,

This series contains a few updates to the dw100 dewarper. Patches 1-2
implement V4L2 requests support and dynamic updates of the vertex map.
This enables advanced use cases like interactive pan, zoom and rotate. A
first attempt to implement the dynamic update was posted a while back in
[1] but wasn't merged due to races in the implementation. By switching
to V4L2 requests the implementation is a lot simpler now.

Patch 3 fixes an issue on PREEMPT_RT enabled kernels.

Best regards,
Stefan

[1] https://lore.kernel.org/linux-media/20241022063155.506191-1-umang.jain@ideasonboard.com/

Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
---
Changes in v2:
- Use v4l2_m2m_buf_done_and_job_finish() for correct signal order
- Use dev_warn_once() instead of manual tracking
- Dropped threaded interrupt handler
- Renamed user_map_needs_update to user_map_is_dirty
- Link to v1: https://lore.kernel.org/r/20260105-sklug-v6-16-topic-dw100-v3-1-dev-v1-0-65af34d04fd8@ideasonboard.com

---
Stefan Klug (3):
      media: dw100: Implement V4L2 requests support
      media: dw100: Implement dynamic vertex map update
      media: dw100: Fix kernel oops with PREEMPT_RT enabled

 drivers/media/platform/nxp/dw100/dw100.c | 75 ++++++++++++++++++++++++--------
 1 file changed, 57 insertions(+), 18 deletions(-)
---
base-commit: 9ace4753a5202b02191d54e9fdf7f9e3d02b85eb
change-id: 20260105-sklug-v6-16-topic-dw100-v3-1-dev-b856657db695

Best regards,
-- 
Stefan Klug <stefan.klug@ideasonboard.com>