gpu: nvgpu: Unify querying stream id

Stream ID for gp10b is retrieved directly from DT headers in common
code. Introduce instead a variable to store the stream ID and move the
query to platform_gp10b_tegra.c.

JIRA NVGPU-4

Change-Id: I123024e13e470283bb691883f8f963eb72c997d8
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1648013
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/driver_common.c b/drivers/gpu/nvgpu/common/linux/driver_common.c
index f2373e00..b90574e0 100644
--- a/drivers/gpu/nvgpu/common/linux/driver_common.c
+++ b/drivers/gpu/nvgpu/common/linux/driver_common.c
@@ -170,6 +170,13 @@ static void nvgpu_init_vbios_vars(struct gk20a *g)
         g->vbios_min_version = platform->vbios_min_version;
 }
 
+static void  nvgpu_init_ltc_vars(struct gk20a *g)
+{
+        struct gk20a_platform *platform = dev_get_drvdata(dev_from_gk20a(g));
+
+        g->ltc_streamid = platform->ltc_streamid;
+}
+
 static void nvgpu_init_mm_vars(struct gk20a *g)
 {
         struct gk20a_platform *platform = dev_get_drvdata(dev_from_gk20a(g));
@@ -202,6 +209,7 @@ int nvgpu_probe(struct gk20a *g,
         nvgpu_init_timeslice(g);
         nvgpu_init_pm_vars(g);
         nvgpu_init_vbios_vars(g);
+        nvgpu_init_ltc_vars(g);
 
         /* Initialize the platform interface. */
         err = platform->probe(dev);