[Intel-gfx] [PATCH i-g-t 1/5] lib/intel_bufops: Introduce buffer operations

2020-01-17 Thread Chris Wilson
From: Zbigniew Kempczyński Different GENs supports different tile surfaces. Older GENs have HW fences to allow X / Y surface tiling / detiling. Newer GENs have to tile / detile such surface in software. To make test developer life easier this code adds buffer operations (short buf_ops) to use ap

[Intel-gfx] [PATCH i-g-t 1/5] lib/intel_bufops: Introduce buffer operations

2020-01-17 Thread Chris Wilson
From: Zbigniew Kempczyński Different GENs supports different tile surfaces. Older GENs have HW fences to allow X / Y surface tiling / detiling. Newer GENs have to tile / detile such surface in software. To make test developer life easier this code adds buffer operations (short buf_ops) to use ap