Allocates VRAM in display GPU in case of prime. Then the dma_buf is imported
into prime GPU.
v2: add comments to make code more readable (Pierre-Eric)
removed if check limiting p2p only for matching driver name
v3: keep old path for non mesa driver (Michel Dänzer)
v4: destroy linear_buffer_display_gpu after import (Michel Dänzer)
fall back if linear_buffer_display_gpu alloc fail (Michel Dänzer)
Signed-off-by: Yogesh Mohanmarimuthu <yogesh.mohanmarimuthu@amd.com>
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10595>