Commit f3a965c2 authored by Oded Gabbay's avatar Oded Gabbay
Browse files

habanalabs: don't init vm module if no MMU 



In case we are running without MMU enabled (debug mode), no need to
initialize the VM module in the driver.

Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent 8f503146

drivers/misc/habanalabs/common/memory.c

+14 −19
Original line number Diff line number Diff line
@@ -1685,27 +1685,19 @@ int hl_vm_ctx_init(struct hl_ctx *ctx) 
	 *   In case of DRAM mapping, the returned address is the physical

	 *   address of the memory related to the given handle.

	 */

	if (ctx->hdev->mmu_enable) {

	if (!ctx->hdev->mmu_enable)

		return 0;



	dram_range_start = prop->dmmu.start_addr;

	dram_range_end = prop->dmmu.end_addr;

	host_range_start = prop->pmmu.start_addr;

	host_range_end = prop->pmmu.end_addr;

	host_huge_range_start = prop->pmmu_huge.start_addr;

	host_huge_range_end = prop->pmmu_huge.end_addr;

	} else {

		dram_range_start = prop->dram_user_base_address;

		dram_range_end = prop->dram_end_address;

		host_range_start = prop->dram_user_base_address;

		host_range_end = prop->dram_end_address;

		host_huge_range_start = prop->dram_user_base_address;

		host_huge_range_end = prop->dram_end_address;

	}



	return vm_ctx_init_with_ranges(ctx, host_range_start, host_range_end,

					host_huge_range_start,

					host_huge_range_end,

					dram_range_start,

					dram_range_end);

				host_huge_range_start, host_huge_range_end,

				dram_range_start, dram_range_end);

}



/*
@@ -1737,6 +1729,9 @@ void hl_vm_ctx_fini(struct hl_ctx *ctx) 
	struct hlist_node *tmp_node;

	int i;



	if (!ctx->hdev->mmu_enable)

		return;



	hl_debugfs_remove_ctx_mem_hash(hdev, ctx);



	/*