gpu: nvgpu: Report all mapping calls

Add dbg_map debug spew for all mapping calls. This plugs the hole where
kernel mappings were not logged, because the debug log is added only in
ioctl path.

Change-Id: I036bf41f92ba5b612d32805020ca7a16fe54f9f4
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/812288
(cherry picked from commit c37b2892d6d967ad48076b20e5a9ef97dc600b31)
Reviewed-on: http://git-master/r/831333

1 files changed, 14 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
index 7876af63..1bc35597 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
@@ -1198,10 +1198,9 @@ u64 gk20a_locked_gmmu_map(struct vm_gk20a *vm,
         struct device *d = dev_from_vm(vm);
         struct gk20a *g = gk20a_from_vm(vm);
         int ctag_granularity = g->ops.fb.compression_page_size(g);
+        u32 ctag_lines = DIV_ROUND_UP_ULL(size, ctag_granularity);
 
         if (clear_ctags && ctag_offset) {
-                u32 ctag_lines = DIV_ROUND_UP_ULL(size, ctag_granularity);
-
                 /* init/clear the ctag buffer */
                 g->ops.ltc.cbc_ctrl(g, gk20a_cbc_op_clear,
                                 ctag_offset, ctag_offset + ctag_lines - 1);
@@ -1219,6 +1218,19 @@ u64 gk20a_locked_gmmu_map(struct vm_gk20a *vm,
                 allocated = true;
         }
 
+        gk20a_dbg(gpu_dbg_map,
+           "as=%d pgsz=%d "
+           "kind=0x%x flags=0x%x "
+           "ctags=%d start=%d gv=0x%x,%08x -> 0x%x,%08x -> 0x%x,%08x",
+           vm_aspace_id(vm), pgsz_idx,
+           kind_v, flags,
+           ctag_lines, ctag_offset,
+           hi32(map_offset), lo32(map_offset),
+           hi32((u64)sg_dma_address(sgt->sgl)),
+           lo32((u64)sg_dma_address(sgt->sgl)),
+           hi32((u64)sg_phys(sgt->sgl)),
+           lo32((u64)sg_phys(sgt->sgl)));
+
         err = update_gmmu_ptes_locked(vm, pgsz_idx,
                                       sgt,
                                       buffer_offset,