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drm/rockchip: logo: no need IOMMU_WRITE for logo

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Change-Id: Id047a37db7ffa865403b99429e8cdbd37a588e59
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
This commit is contained in:
Mark Yao
2017-01-18 12:58:31 +08:00
committed by Huang, Tao
parent 112d2aa334
commit c68388c460
1 changed files with 1 additions and 3 deletions
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4
drivers/gpu/drm/rockchip/rockchip_drm_drv.c
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@@ -149,8 +149,6 @@ static int init_loader_memory(struct drm_device *drm_dev)
}
if (private->domain) {
int prot = IOMMU_READ | IOMMU_WRITE;
memset(&logo->mm, 0, sizeof(logo->mm));
ret = drm_mm_insert_node_generic(&private->mm, &logo->mm,
size, PAGE_SIZE,
@@ -164,7 +162,7 @@ static int init_loader_memory(struct drm_device *drm_dev)
logo->iommu_map_size = iommu_map_sg(private->domain,
logo->dma_addr, sgt->sgl,
sgt->nents, prot);
sgt->nents, IOMMU_READ);
if (logo->iommu_map_size < size) {
DRM_ERROR("failed to map buffer");
ret = -ENOMEM;