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, 8 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/Kconfig b/drivers/gpu/nvgpu/Kconfig
index 315c4683..b863077a 100644
--- a/drivers/gpu/nvgpu/Kconfig
+++ b/drivers/gpu/nvgpu/Kconfig
@@ -12,6 +12,14 @@ config GK20A_DEFAULT_TIMEOUT
         help
           Default timeout for jobs in milliseconds. Set to zero for no timeout.
 
+config GK20A_CDE
+        depends on GK20A
+        bool "Support compression bit switzzling through CDE"
+        default n
+        help
+          Say Y to allow compression bit swizzling
+          using pre-compiled shader.
+
 config GK20A_PMU
         bool "Support GK20A PMU"
         depends on GK20A