diff options
| -rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_dev.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_dev.h | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c index d7527e126658..b67030a9f056 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c @@ -8,6 +8,7 @@ #include <linux/of_device.h> #include <linux/of_graph.h> #include <linux/platform_device.h> +#include <linux/dma-mapping.h> #ifdef CONFIG_DEBUG_FS #include <linux/debugfs.h> #include <linux/seq_file.h> @@ -249,6 +250,9 @@ struct komeda_dev *komeda_dev_create(struct device *dev) goto err_cleanup; } + dev->dma_parms = &mdev->dma_parms; + dma_set_max_seg_size(dev, DMA_BIT_MASK(32)); + err = sysfs_create_group(&dev->kobj, &komeda_sysfs_attr_group); if (err) { DRM_ERROR("create sysfs group failed.\n"); diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h b/drivers/gpu/drm/arm/display/komeda/komeda_dev.h index 994c6ea3039b..973fd5e0eb98 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.h @@ -149,6 +149,8 @@ struct komeda_dev { struct device *dev; /** @reg_base: the base address of komeda io space */ u32 __iomem *reg_base; + /** @dma_parms: the dma parameters of komeda */ + struct device_dma_parameters dma_parms; /** @chip: the basic chip information */ struct komeda_chip_info chip; |