gpu: ngpu: add support for vidmem in page tables

Modify page table updates to take an aperture flag (up until
gk20a_locked_gmmu_map()), don't hard-assume sysmem and propagate it to
hardware.

Jira DNVGPU-76

Change-Id: Ifcb22900c96db993068edd110e09368f72b06f69
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1169307
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/hw_gmmu_gk20a.h b/drivers/gpu/nvgpu/gk20a/hw_gmmu_gk20a.h
index 9b444036..0a21b6ca 100644
--- a/drivers/gpu/nvgpu/gk20a/hw_gmmu_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/hw_gmmu_gk20a.h
@@ -182,6 +182,14 @@ static inline u32 gmmu_pte_address_sys_w(void)
 {
         return 0;
 }
+static inline u32 gmmu_pte_address_vid_f(u32 v)
+{
+        return (v & 0x1ffffff) << 4;
+}
+static inline u32 gmmu_pte_address_vid_w(void)
+{
+        return 0;
+}
 static inline u32 gmmu_pte_vol_w(void)
 {
         return 1;