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3 Commits
Author SHA1 Message Date
Bin Du ec4bec227b media: platform: amd: isp4 debug fs logging and more descriptive errors 
Add debug fs for isp4 driver and add more detailed descriptive error info
to some of the log message

Co-developed-by: Sultan Alsawaf <sultan@kerneltoast.com>
Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com>
Co-developed-by: Svetoslav Stoilov <Svetoslav.Stoilov@amd.com>
Signed-off-by: Svetoslav Stoilov <Svetoslav.Stoilov@amd.com>
Signed-off-by: Bin Du <Bin.Du@amd.com>
Reviewed-by: Sultan Alsawaf <sultan@kerneltoast.com>
Tested-by: Alexey Zagorodnikov <xglooom@gmail.com>
Tested-by: Kate Hsuan <hpa@redhat.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
 2026-05-06 13:48:09 +03:00
Bin Du 2ccf48af22 media: platform: amd: isp4 video node and buffers handling added 
Isp video implements v4l2 video interface and supports NV12 and YUYV. It
manages buffers, pipeline power and state. Cherry-picked Sultan's DMA
buffer related fix from branch v6.16-drm-tip-isp4-for-amd on
https://github.com/kerneltoast/kernel_x86_laptop.git

Co-developed-by: Sultan Alsawaf <sultan@kerneltoast.com>
Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com>
Co-developed-by: Svetoslav Stoilov <Svetoslav.Stoilov@amd.com>
Signed-off-by: Svetoslav Stoilov <Svetoslav.Stoilov@amd.com>
Signed-off-by: Bin Du <Bin.Du@amd.com>
Reviewed-by: Sultan Alsawaf <sultan@kerneltoast.com>
Tested-by: Alexey Zagorodnikov <xglooom@gmail.com>
Tested-by: Kate Hsuan <hpa@redhat.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
 2026-05-06 13:48:09 +03:00
Bin Du 4e5e7a7ddb media: platform: amd: isp4 subdev and firmware loading handling added 
Isp4 sub-device is implementing v4l2 sub-device interface. It has one
capture video node, and supports only preview stream. It manages firmware
states, stream configuration. Add interrupt handling and notification for
isp firmware to isp-subdevice.

Co-developed-by: Sultan Alsawaf <sultan@kerneltoast.com>
Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com>
Co-developed-by: Svetoslav Stoilov <Svetoslav.Stoilov@amd.com>
Signed-off-by: Svetoslav Stoilov <Svetoslav.Stoilov@amd.com>
Signed-off-by: Bin Du <Bin.Du@amd.com>
Reviewed-by: Sultan Alsawaf <sultan@kerneltoast.com>
Tested-by: Alexey Zagorodnikov <xglooom@gmail.com>
Tested-by: Kate Hsuan <hpa@redhat.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
 2026-05-06 13:48:09 +03:00