Commit d98914eb authored by Thierry Reding's avatar Thierry Reding
Browse files

gpu: host1x: Do not limit DMA segment size 



host1x nor any its clients have any limitations on the DMA segment size,
so don't pretend that they do.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 004e822a

drivers/gpu/host1x/bus.c

+1 −1
Original line number Diff line number Diff line
@@ -445,7 +445,7 @@ static int host1x_device_add(struct host1x *host1x, 
	of_dma_configure(&device->dev, host1x->dev->of_node, true);



	device->dev.dma_parms = &device->dma_parms;

	dma_set_max_seg_size(&device->dev, SZ_4M);

	dma_set_max_seg_size(&device->dev, UINT_MAX);



	err = host1x_device_parse_dt(device, driver);

	if (err < 0) {

drivers/gpu/host1x/dev.c

+3 −0
Original line number Diff line number Diff line
@@ -237,6 +237,9 @@ static int host1x_probe(struct platform_device *pdev) 
			return PTR_ERR(host->hv_regs);

	}



	host->dev->dma_parms = &host->dma_parms;

	dma_set_max_seg_size(host->dev, UINT_MAX);



	dma_set_mask_and_coherent(host->dev, host->info->dma_mask);



	if (host->info->init) {

drivers/gpu/host1x/dev.h

+2 −0
Original line number Diff line number Diff line
@@ -140,6 +140,8 @@ struct host1x { 
	struct list_head devices;



	struct list_head list;



	struct device_dma_parameters dma_parms;

};



void host1x_hypervisor_writel(struct host1x *host1x, u32 r, u32 v);