Re: [Intel-gfx] [PATCH v5 8/9] drm/i915/gem: Add extra pages in ttm_tt for ccs data

2022-03-28 Thread Ramalingam C
On 2022-03-24 at 17:28:08 +0100, Thomas Hellström wrote: > > On 3/21/22 23:44, Ramalingam C wrote: > > On Xe-HP and later devices, dedicated compression control state (CCS) > > stored in local memory is used for each surface, to support the > > 3D and media compression formats. > > > > The memory

Re: [Intel-gfx] [PATCH v5 8/9] drm/i915/gem: Add extra pages in ttm_tt for ccs data

2022-03-24 Thread Thomas Hellström
On 3/21/22 23:44, Ramalingam C wrote: On Xe-HP and later devices, dedicated compression control state (CCS) stored in local memory is used for each surface, to support the 3D and media compression formats. The memory required for the CCS of the entire local memory is 1/256 of the local memory

[Intel-gfx] [PATCH v5 8/9] drm/i915/gem: Add extra pages in ttm_tt for ccs data

2022-03-21 Thread Ramalingam C
On Xe-HP and later devices, dedicated compression control state (CCS) stored in local memory is used for each surface, to support the 3D and media compression formats. The memory required for the CCS of the entire local memory is 1/256 of the local memory size. So before the kernel boot, the requi