gpu: nvgpu: vgpu: add vgpu private data and helper functions

Move vgpu private data to a dedicated structure and allocate it
at probe time. Also add virt_handle helper function which is used
everywhere.

JIRA VFND-2103

Change-Id: I125911420be72ca9be948125d8357fa85d1d3afd
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1185206
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/dbg_vgpu.c b/drivers/gpu/nvgpu/vgpu/dbg_vgpu.c
index 4e4379f7..c312c419 100644
--- a/drivers/gpu/nvgpu/vgpu/dbg_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/dbg_vgpu.c
@@ -27,7 +27,6 @@ static int vgpu_exec_regops(struct dbg_session_gk20a *dbg_s,
                       u64 num_ops)
 {
         struct channel_gk20a *ch;
-        struct gk20a_platform *platform = gk20a_get_platform(dbg_s->g->dev);
         struct tegra_vgpu_cmd_msg msg;
         struct tegra_vgpu_reg_ops_params *p = &msg.params.reg_ops;
         void *oob;
@@ -54,7 +53,7 @@ static int vgpu_exec_regops(struct dbg_session_gk20a *dbg_s,
         memcpy(oob, ops, ops_size);
 
         msg.cmd = TEGRA_VGPU_CMD_REG_OPS;
-        msg.handle = platform->virt_handle;
+        msg.handle = vgpu_get_handle(dbg_s->g);
         ch = nvgpu_dbg_gpu_get_session_channel(dbg_s);
         p->handle = ch ? ch->virt_ctx : 0;
         p->num_ops = num_ops;
@@ -71,7 +70,6 @@ fail:
 
 static int vgpu_dbg_set_powergate(struct dbg_session_gk20a *dbg_s, __u32 mode)
 {
-        struct gk20a_platform *platform = gk20a_get_platform(dbg_s->g->dev);
         struct tegra_vgpu_cmd_msg msg;
         struct tegra_vgpu_set_powergate_params *p = &msg.params.set_powergate;
         int err = 0;
@@ -95,7 +93,7 @@ static int vgpu_dbg_set_powergate(struct dbg_session_gk20a *dbg_s, __u32 mode)
         }
 
         msg.cmd = TEGRA_VGPU_CMD_SET_POWERGATE;
-        msg.handle = platform->virt_handle;
+        msg.handle = vgpu_get_handle(dbg_s->g);
         p->mode = mode;
         err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
         err = err ? err : msg.ret;