gpu: nvgpu: Use sysmem aperture for SoC memory

In Tegra GPU, SoC memory has to be accessed as vidmem. In discrete GPU, it
has to be accessed as sysmem.

Change-Id: I4efe71b54a9a32f0bf1f02ec4016ed74405a14c5
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1120468

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/fifo_gm20b.c b/drivers/gpu/nvgpu/gm20b/fifo_gm20b.c
index 188d1781..8586262f 100644
--- a/drivers/gpu/nvgpu/gm20b/fifo_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/fifo_gm20b.c
@@ -34,7 +34,9 @@ static void channel_gm20b_bind(struct channel_gk20a *c)
 
         gk20a_writel(g, ccsr_channel_inst_r(c->hw_chid),
                 ccsr_channel_inst_ptr_f(inst_ptr) |
-                ccsr_channel_inst_target_vid_mem_f() |
+                (g->mm.vidmem_is_vidmem ?
+                 ccsr_channel_inst_target_sys_mem_ncoh_f() :
+                 ccsr_channel_inst_target_vid_mem_f()) |
                 ccsr_channel_inst_bind_true_f());
 
         gk20a_writel(g, ccsr_channel_r(c->hw_chid),