gpu: nvgpu: Add nvdec falcon support

 - Added "nvgpu_flacon  nvdec_flcn" member to gk20a
 - Added base address & flacon id of NVDEC falcon
 - Included nvdec falcon to access common falcon code
 - Enabled nvdec falcon support for GP106
 - Disabled nvdec falcon support for iGPU
 - Made call to enable nvdec falcon support if supported

Change-Id: Ia928d082275a720e4e8c6852384e489c8ec444f8
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
(cherry picked from commit 3d80aeff295bad8365af6022555ad151f1a32cf6)
Reviewed-on: https://git-master.nvidia.com/r/1564305
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/falcon/falcon.c b/drivers/gpu/nvgpu/common/falcon/falcon.c
index e0b5554d..99b2c249 100644
--- a/drivers/gpu/nvgpu/common/falcon/falcon.c
+++ b/drivers/gpu/nvgpu/common/falcon/falcon.c
@@ -321,6 +321,10 @@ void nvgpu_flcn_sw_init(struct gk20a *g, u32 flcn_id)
                 flcn = &g->gpccs_flcn;
                 flcn->flcn_id = flcn_id;
                 break;
+        case FALCON_ID_NVDEC:
+                flcn = &g->nvdec_flcn;
+                flcn->flcn_id = flcn_id;
+                break;
         default:
                 nvgpu_err(g, "Invalid/Unsupported falcon ID %x", flcn_id);
                 break;