drm/tegra: uapi: Fix wrong mapping end address in case of disabled IOMMU

All jobs are failing on Tegra20 because it doesn't use IOMMU and mapping
function uses size of mapping that is zero instead of BO size, fix it.

Fixes: d7c591bc1a3f ("drm/tegra: Implement new UAPI")
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/drivers/gpu/drm/tegra/uapi.c b/drivers/gpu/drm/tegra/uapi.c
index dc16a24f4dbe2df287fc296d5381686b0dc41f14..690a339c52ec6efebd6cbd5f5eff9529e26d5c10 100644 (file)
--- a/drivers/gpu/drm/tegra/uapi.c
+++ b/drivers/gpu/drm/tegra/uapi.c
@@ -222,7 +222,7 @@ int tegra_drm_ioctl_channel_map(struct drm_device *drm, void *data, struct drm_f
                mapping->iova = sg_dma_address(mapping->sgt->sgl);
        }
 
-       mapping->iova_end = mapping->iova + host1x_to_tegra_bo(mapping->bo)->size;
+       mapping->iova_end = mapping->iova + host1x_to_tegra_bo(mapping->bo)->gem.size;
 
        err = xa_alloc(&context->mappings, &args->mapping, mapping, XA_LIMIT(1, U32_MAX),
                       GFP_KERNEL);