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3 Commits

Author SHA1 Message Date
amitabhd
8e20f0d104 host1x_emu: Fix Host1x_EMU devnode permission 
Set R/W permission for group and others.

Bug 5019709

Change-Id: Ia007623c891a10669ba92ab4de1d50a1d4f7ce9f
Signed-off-by: amitabhd <amitabhd@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3271151
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Leslin Varghese <lvarghese@nvidia.com>
Reviewed-by: Raghavendra Vishnu Kumar <rvk@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
 2025-07-24 10:19:12 +00:00
amitabhd
d1d3b883df host1x_emu: Fix NvHost Interface and IOCTL 
1. The nvhost interface like syncpoint offset/aperture were
taking "pdev" of Host1x device, but emulated syncpoint driver
implementd the interface with "pdev" of clinet device. This was
done to align all other interface input parameter.

This patch revert the above alignment of intput parameter change.

2. This patch modify SyncpointWait IOCTL handler to return timestamp
of signal observed by KMD to UMD

Bug 4895937

Change-Id: I61ba02992963ba272e5c2514ffe8c24fff510c3a
Signed-off-by: amitabhd <amitabhd@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3226744
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Santosh BS <santoshb@nvidia.com>
Reviewed-by: Raghavendra Vishnu Kumar <rvk@nvidia.com>
 2025-07-24 10:19:11 +00:00
amitabhd
872cead7b6 host1x: Emulated Syncpoint KMD Driver 
1. Update Host1x-Syncpt
   - add syncpt-list in syncpoint-pool structure.
   - add exported "host1x-syncpt-*" interface and supporting private interface.
2. Update Host1x-NvHost
   - add support for nvhost-syncpt and nvhost-client interface and supporting private interface.
   - falcon and pm interface not supported
3. Update Host1x-Fence
   - add exported "host1x-fence-*" interface and supporting private interface.
4. Add Host1x-Poll
   - Per Pool polling workequeue created
   - add poll supporting private interface.
5. Add new IOCTL

Jira HOSTX-5514

Change-Id: I187fa7ed89a3479e51b79f9d8d438ede75e1a36a
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3136834
Tested-by: Amitabh Dutta <amitabhd@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Amitabh Dutta <amitabhd@nvidia.com>
 2025-07-24 10:18:57 +00:00