gpu: nvgpu: add placeholder for IPA to PA

Add __nvgpu_sgl_phys function that can be used to implement IPA
to PA translation in a subsequent change.
Adapt existing function prototypes to add pointer to gpu context,
as we will need to check if IPA to PA translation is needed.

JIRA EVLR-2442
Bug 200392719

Change-Id: I5a734c958c8277d1bf673c020dafb31263f142d6
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1673142
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/common/mm/nvgpu_mem.c b/drivers/gpu/nvgpu/common/mm/nvgpu_mem.c
index 2b32d869..4def4938 100644
--- a/drivers/gpu/nvgpu/common/mm/nvgpu_mem.c
+++ b/drivers/gpu/nvgpu/common/mm/nvgpu_mem.c
@@ -81,9 +81,10 @@ struct nvgpu_sgl *nvgpu_sgt_get_next(struct nvgpu_sgt *sgt,
         return sgt->ops->sgl_next(sgl);
 }
 
-u64 nvgpu_sgt_get_phys(struct nvgpu_sgt *sgt, struct nvgpu_sgl *sgl)
+u64 nvgpu_sgt_get_phys(struct gk20a *g, struct nvgpu_sgt *sgt,
+                       struct nvgpu_sgl *sgl)
 {
-        return sgt->ops->sgl_phys(sgl);
+        return sgt->ops->sgl_phys(g, sgl);
 }
 
 u64 nvgpu_sgt_get_dma(struct nvgpu_sgt *sgt, struct nvgpu_sgl *sgl)
@@ -156,7 +157,7 @@ u64 nvgpu_sgt_alignment(struct gk20a *g, struct nvgpu_sgt *sgt)
          * of the SGT.
          */
         nvgpu_sgt_for_each_sgl(sgl, sgt) {
-                chunk_align = 1ULL << __ffs(nvgpu_sgt_get_phys(sgt, sgl) |
+                chunk_align = 1ULL << __ffs(nvgpu_sgt_get_phys(g, sgt, sgl) |
                                             nvgpu_sgt_get_length(sgt, sgl));
 
                 if (align)