Both vmwgxf patches look good to me too.
Reviewed-by: Roland Scheidegger <sroland@xxxxxxxxxx>
Am 06.10.20 um 02:06 schrieb Dave Airlie:
> From: Dave Airlie <airlied@xxxxxxxxxx>
>
> This just copies the fallback to vmwgfx, I'm going to iterate on this
> a bit until it's not the same as the fallback path.
>
> Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
> ---
> drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 19 ++++++++++++++++++-
> 1 file changed, 18 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
> index 2f88d2d79f9a..6e36fc932aeb 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
> @@ -725,6 +725,23 @@ static void vmw_swap_notify(struct ttm_buffer_object *bo)
> (void) ttm_bo_wait(bo, false, false);
> }
>
> +static int vmw_move(struct ttm_buffer_object *bo,
> + bool evict,
> + struct ttm_operation_ctx *ctx,
> + struct ttm_resource *new_mem)
> +{
> + struct ttm_resource_manager *old_man = ttm_manager_type(bo->bdev, bo->mem.mem_type);
> + struct ttm_resource_manager *new_man = ttm_manager_type(bo->bdev, new_mem->mem_type);
> +
> + if (old_man->use_tt && new_man->use_tt) {
> + if (bo->mem.mem_type == TTM_PL_SYSTEM) {
> + ttm_bo_assign_mem(bo, new_mem);
> + return 0;
> + }
> + return ttm_bo_move_ttm(bo, ctx, new_mem);
> + } else
> + return ttm_bo_move_memcpy(bo, ctx, new_mem);
> +}
>
> struct ttm_bo_driver vmw_bo_driver = {
> .ttm_tt_create = &vmw_ttm_tt_create,
> @@ -735,7 +752,7 @@ struct ttm_bo_driver vmw_bo_driver = {
> .ttm_tt_destroy = &vmw_ttm_destroy,
> .eviction_valuable = ttm_bo_eviction_valuable,
> .evict_flags = vmw_evict_flags,
> - .move = NULL,
> + .move = vmw_move,
> .verify_access = vmw_verify_access,
> .move_notify = vmw_move_notify,
> .swap_notify = vmw_swap_notify,
>
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