drm/etnaviv: move gpu_va() to etnaviv mmu

The GPU virtual address for the command buffers differs depending on
the IOMMU version. Move the calculation of the iova into etnaviv
mmu, to enable proper dispatch.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
index e744c6d81a2d..d62125eb30d8 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
@@ -304,6 +304,12 @@ void etnaviv_iommu_restore(struct etnaviv_gpu *gpu)
 		dev_err(gpu->dev, "IOMMUv2 restore not implemented\n");
 }
 
+u32 etnaviv_iommu_get_cmdbuf_va(struct etnaviv_gpu *gpu,
+				struct etnaviv_cmdbuf *buf)
+{
+	return buf->paddr - gpu->memory_base;
+}
+
 size_t etnaviv_iommu_dump_size(struct etnaviv_iommu *iommu)
 {
 	struct etnaviv_iommu_ops *ops;