Changes in isp4.c

ec4bec227b9d3796cb78af0d3d9bcdd26f0769c5 - media: platform: amd: isp4 debug fs logging and more descriptive errors

Wed, 06 May 2026 11:32:48 +0200

media: platform: amd: isp4 debug fs logging and more descriptive errorsAdd debug fs for isp4 driver and add more detailed descriptive error infoto some of the log messageCo-developed-by: Sultan Alsawaf Signed-off-by: Sultan Alsawaf Co-developed-by: Svetoslav Stoilov Signed-off-by: Svetoslav Stoilov Signed-off-by: Bin Du Reviewed-by: Sultan Alsawaf Tested-by: Alexey Zagorodnikov Tested-by: Kate Hsuan Signed-off-by: Sakari Ailus List of files: /linux/drivers/media/platform/amd/isp4/isp4.c

2ccf48af22709b90ea9419cd828c92652d7709ac - media: platform: amd: isp4 video node and buffers handling added

Wed, 06 May 2026 11:32:47 +0200

media: platform: amd: isp4 video node and buffers handling addedIsp video implements v4l2 video interface and supports NV12 and YUYV. Itmanages buffers, pipeline power and state. Cherry-picked Sultan's DMAbuffer related fix from branch v6.16-drm-tip-isp4-for-amd onhttps://github.com/kerneltoast/kernel_x86_laptop.gitCo-developed-by: Sultan Alsawaf Signed-off-by: Sultan Alsawaf Co-developed-by: Svetoslav Stoilov Signed-off-by: Svetoslav Stoilov Signed-off-by: Bin Du Reviewed-by: Sultan Alsawaf Tested-by: Alexey Zagorodnikov Tested-by: Kate Hsuan Signed-off-by: Sakari Ailus List of files: /linux/drivers/media/platform/amd/isp4/isp4.c

4e5e7a7ddb4ab9ac35928d7dc72efc8797639dc3 - media: platform: amd: isp4 subdev and firmware loading handling added

Wed, 06 May 2026 11:32:46 +0200

media: platform: amd: isp4 subdev and firmware loading handling addedIsp4 sub-device is implementing v4l2 sub-device interface. It has onecapture video node, and supports only preview stream. It manages firmwarestates, stream configuration. Add interrupt handling and notification forisp firmware to isp-subdevice.Co-developed-by: Sultan Alsawaf Signed-off-by: Sultan Alsawaf Co-developed-by: Svetoslav Stoilov Signed-off-by: Svetoslav Stoilov Signed-off-by: Bin Du Reviewed-by: Sultan Alsawaf Tested-by: Alexey Zagorodnikov Tested-by: Kate Hsuan Signed-off-by: Sakari Ailus List of files: /linux/drivers/media/platform/amd/isp4/isp4.c

9a54c285630c0072daef5d526c3f0b697e901065 - media: platform: amd: Introduce amd isp4 capture driver

Wed, 06 May 2026 11:32:43 +0200

media: platform: amd: Introduce amd isp4 capture driverAMD isp4 capture is a v4l2 media device which implements media controllerinterface. It has one sub-device (AMD ISP4 sub-device) endpoint which canbe connected to a remote CSI2 TX endpoint. It supports only one physicalinterface for now. Also add ISP4 driver related entry info into theMAINTAINERS fileCo-developed-by: Sultan Alsawaf Signed-off-by: Sultan Alsawaf Co-developed-by: Svetoslav Stoilov Signed-off-by: Svetoslav Stoilov Signed-off-by: Bin Du Reviewed-by: Mario Limonciello (AMD) Reviewed-by: Sultan Alsawaf Tested-by: Alexey Zagorodnikov Tested-by: Kate Hsuan Signed-off-by: Sakari Ailus List of files: /linux/drivers/media/platform/amd/isp4/isp4.c