sdm660: adsprpc: Map uncached buffers as non-coherent



Map un-cached buffers as non io-coherent to avoid snooping overhead.

Change-Id: Iddbde76d6d8a13cd48c737f1046a53a2bc1ef2a5
Acked-by: Viswanatham Paduchuri <vpaduchu@qti.qualcomm.com>
Signed-off-by: Tharun Kumar Merugu <mtharu@codeaurora.org>

parent c1a24720

drivers/char/adsprpc.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -670,7 +670,8 @@ static int fastrpc_mmap_create(struct fastrpc_file *fl, int fd, unsigned attr,
		init_dma_attrs(&attrs);
		dma_set_attr(DMA_ATTR_EXEC_MAPPING, &attrs);

		if (map->attr & FASTRPC_ATTR_NON_COHERENT)
		if ((map->attr & FASTRPC_ATTR_NON_COHERENT) \|\|
		(sess->smmu.coherent && map->uncached))
		dma_set_attr(DMA_ATTR_FORCE_NON_COHERENT,
		&attrs);
		else if (map->attr & FASTRPC_ATTR_COHERENT)