Re: [PATCH] drm/xe/lnl: Offload system clear page activity to GPU

2024-06-21 Thread Nirmoy Das
On 6/21/2024 2:08 PM, Ghimiray, Himal Prasad wrote: On 20-06-2024 19:16, Nirmoy Das wrote: On LNL because flat CCS, driver will create a migrate job to clear CCS meta data. Extend that to also clear pages using GPU with new ttm pool flag which allows offloading page clear activity to GP Thi

Re: [PATCH] drm/xe/lnl: Offload system clear page activity to GPU

2024-06-21 Thread Ghimiray, Himal Prasad
On 20-06-2024 19:16, Nirmoy Das wrote: On LNL because flat CCS, driver will create a migrate job to clear CCS meta data. Extend that to also clear pages using GPU with new ttm pool flag which allows offloading page clear activity to GP This gives very nice improvement for large buffer: Withou

[PATCH] drm/xe/lnl: Offload system clear page activity to GPU

2024-06-21 Thread Nirmoy Das
On LNL because of flat CCS, driver will create a migrate job to clear CCS meta data. Extend that to also clear pages using GPU with new ttm pool flag which allows offloading page clear activity to GPU. Cc: Matthew Auld Cc: Michal Mrozek Cc: "Thomas Hellström" Signed-off-by: Nirmoy Das --- dri

[PATCH] drm/xe/lnl: Offload system clear page activity to GPU

2024-06-20 Thread Nirmoy Das
On LNL because flat CCS, driver will create a migrate job to clear CCS meta data. Extend that to also clear pages using GPU with new ttm pool flag which allows offloading page clear activity to GPU. This gives very nice improvement for large buffer: Without the patch: ~/igt-gpu-tools/build/tests/