gpu: nvgpu: Add device_info_data support

Added device_info_data parsing
support for pascal GPU series.
This is required
to identify the (Logical CE)
NV_PTOP_DEVICE_INFO_TYPE_ENUM_LCE
instance id.
(example - CE0, CE1, CE2, CE3, ...)

JIRA DNVGPU-26

Change-Id: I35c42cb1d544729e4099db1528c690dd2be025f4
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1151605
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Ken Adams <kadams@nvidia.com>

1 files changed, 25 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/fifo_gp10b.c b/drivers/gpu/nvgpu/gp10b/fifo_gp10b.c
index 45de221e..89b5527d 100644
--- a/drivers/gpu/nvgpu/gp10b/fifo_gp10b.c
+++ b/drivers/gpu/nvgpu/gp10b/fifo_gp10b.c
@@ -182,7 +182,8 @@ static int gp10b_fifo_resetup_ramfc(struct channel_gk20a *c)
         return 0;
 }
 
-static int gp10b_fifo_engine_enum_from_type(struct gk20a *g, u32 engine_type)
+static int gp10b_fifo_engine_enum_from_type(struct gk20a *g, u32 engine_type,
+                                        u32 *inst_id)
 {
         int ret = ENGINE_INVAL_GK20A;
 
@@ -197,6 +198,28 @@ static int gp10b_fifo_engine_enum_from_type(struct gk20a *g, u32 engine_type)
         return ret;
 }
 
+void gp10b_device_info_data_parse(struct gk20a *g, u32 table_entry,
+                                u32 *inst_id, u32 *pri_base, u32 *fault_id)
+{
+        if (top_device_info_data_type_v(table_entry) ==
+            top_device_info_data_type_enum2_v()) {
+                if (inst_id)
+                        *inst_id = top_device_info_data_inst_id_v(table_entry);
+                if (pri_base) {
+                        *pri_base =
+                            (top_device_info_data_pri_base_v(table_entry)
+                            << top_device_info_data_pri_base_align_v());
+                }
+                if (fault_id && (top_device_info_data_fault_id_v(table_entry) ==
+                    top_device_info_data_fault_id_valid_v())) {
+                        *fault_id =
+                             top_device_info_data_fault_id_enum_v(table_entry);
+                }
+        } else
+                gk20a_err(g->dev, "unknown device_info_data %d",
+                        top_device_info_data_type_v(table_entry));
+}
+
 void gp10b_init_fifo(struct gpu_ops *gops)
 {
         gm20b_init_fifo(gops);
@@ -204,4 +227,5 @@ void gp10b_init_fifo(struct gpu_ops *gops)
         gops->fifo.get_pbdma_signature = gp10b_fifo_get_pbdma_signature;
         gops->fifo.resetup_ramfc = gp10b_fifo_resetup_ramfc;
         gops->fifo.engine_enum_from_type = gp10b_fifo_engine_enum_from_type;
+        gops->fifo.device_info_data_parse = gp10b_device_info_data_parse;
 }