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gpu: host1x: Do not limit DMA segment size

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

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2019-09-09 14:28:46 +02:00
parent 004e822a6f
commit d98914ebc2
3 changed files with 6 additions and 1 deletions
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2
drivers/gpu/host1x/bus.c
View File

@ -445,7 +445,7 @@ static int host1x_device_add(struct host1x *host1x,
of_dma_configure(&device->dev, host1x->dev->of_node, true); of_dma_configure(&device->dev, host1x->dev->of_node, true);
device->dev.dma_parms = &device->dma_parms; 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); err = host1x_device_parse_dt(device, driver);
if (err < 0) { if (err < 0) {

3
drivers/gpu/host1x/dev.c
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@ -237,6 +237,9 @@ static int host1x_probe(struct platform_device *pdev)
return PTR_ERR(host->hv_regs); 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); dma_set_mask_and_coherent(host->dev, host->info->dma_mask);
if (host->info->init) { if (host->info->init) {

2
drivers/gpu/host1x/dev.h
View File

@ -140,6 +140,8 @@ struct host1x {
struct list_head devices; struct list_head devices;
struct list_head list; struct list_head list;
struct device_dma_parameters dma_parms;
}; };
void host1x_hypervisor_writel(struct host1x *host1x, u32 r, u32 v); void host1x_hypervisor_writel(struct host1x *host1x, u32 r, u32 v);