gpu: nvgpu: add syncpoint read map

For sync-point read map:
 1. Added nvgpu_mem memory allocator in gk20a struct and
    allocated memory for this in gk20a_finalize_poweron()
    and freed this memory in gk20a_remove().
 2. Added "u64 syncpt_ro_map_gpu_va" in vm_gk20a struct
    for read map in vm.

Added nvgpu_quiesce() in nvgpu_remove() before freeing
syncpoint read map to ensure that nvgpu is idle.

JIRA GPUT19X-2

Change-Id: I7cbfec57f0992682dd833a1b0d92d694bcaf1eb3
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1514338
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c
index 380ea048..d83684e4 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c
@@ -76,9 +76,9 @@ static int gk20a_channel_syncpt_wait_syncpt(struct gk20a_channel_sync *s,
         }
 
         nvgpu_log(c->g, gpu_dbg_info, "sp->id %d gpu va %llx",
-                                        id, sp->syncpt_buf.gpu_va);
+                                        id, sp->c->vm->syncpt_ro_map_gpu_va);
         c->g->ops.fifo.add_syncpt_wait_cmd(c->g, wait_cmd, 0, id,
-                                                thresh, sp->syncpt_buf.gpu_va);
+                                        thresh, c->vm->syncpt_ro_map_gpu_va);
 
         return 0;
 }
@@ -147,7 +147,7 @@ static int gk20a_channel_syncpt_wait_fd(struct gk20a_channel_sync *s, int fd,
                                         wait_id, sp->syncpt_buf.gpu_va);
                         c->g->ops.fifo.add_syncpt_wait_cmd(c->g, wait_cmd,
                                 i * wait_cmd_size, wait_id, wait_value,
-                                sp->syncpt_buf.gpu_va);
+                                c->vm->syncpt_ro_map_gpu_va);
                 }
         }