gpu: nvgpu: CDE support

This patch adds support for executing a precompiled GPU program to
allow exporting GPU buffers to other graphics units that have color
decompression engine (CDE) support.

Bug 1409151

Change-Id: Id0c930923f2449b85a6555de71d7ec93eed238ae
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/360418
Reviewed-by: Lauri Peltonen <lpeltonen@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index fa6e0cce..2975798f 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -976,6 +976,7 @@ static int gk20a_pm_finalize_poweron(struct device *dev)
                 goto done;
         }
 
+
         gk20a_channel_resume(g);
         set_user_nice(current, nice_value);
 
@@ -983,6 +984,8 @@ static int gk20a_pm_finalize_poweron(struct device *dev)
 
         trace_gk20a_finalize_poweron_done(dev_name(dev));
 
+        if (IS_ENABLED(CONFIG_GK20A_CDE))
+                gk20a_init_cde_support(g);
 done:
         return err;
 }