gpu: nvgpu: gv11b: sysmem userd support

For gv11b, userd is allocated from sysmem.
Updated gp_get and gp_put functions to read or
write from sysmem instead of bar1 memory.

In gv11b, after updating gp_put, it is required
to notify pending work to host through channel
doorbell.

JIRA GV11B-1

Change-Id: Iebc52e6ccfc8b9ca0c57b227190e0ce1161076f1
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/1226613
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/mm_gv11b.c b/drivers/gpu/nvgpu/gv11b/mm_gv11b.c
index 0ac18a91..54df6745 100644
--- a/drivers/gpu/nvgpu/gv11b/mm_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/mm_gv11b.c
@@ -18,8 +18,16 @@
 #include "gk20a/gk20a.h"
 #include "gp10b/mm_gp10b.h"
 #include "mm_gv11b.h"
+#include "hw_fb_gv11b.h"
+
+bool gv11b_mm_is_bar1_supported(struct gk20a *g)
+{
+        return false;
+}
 
 void gv11b_init_mm(struct gpu_ops *gops)
 {
         gp10b_init_mm(gops);
+        gops->mm.bar1_bind = NULL;
+        gops->mm.is_bar1_supported = gv11b_mm_is_bar1_supported;
 }