gpu: nvgpu: gv11b: skip clk gating prog for pre-si

For pre-silicon platforms, clock gating
should be skipped as it is not supported.
Added new flags "can_"x"lcg" to check platform
capability before programming SLCG,BLCG and ELCG.

Bug 200314250

Change-Id: Iec7564b00b988cdd50a02f3130662727839c5047
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1566251
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/gv11b/platform_gv11b_vgpu_tegra.c b/drivers/gpu/nvgpu/vgpu/gv11b/platform_gv11b_vgpu_tegra.c
index 887b654d..396359c3 100644
--- a/drivers/gpu/nvgpu/vgpu/gv11b/platform_gv11b_vgpu_tegra.c
+++ b/drivers/gpu/nvgpu/vgpu/gv11b/platform_gv11b_vgpu_tegra.c
@@ -72,6 +72,9 @@ struct gk20a_platform gv11b_vgpu_tegra_platform = {
         .enable_elcg            = false,
         .enable_elpg            = false,
         .enable_aelpg           = false,
+        .can_slcg               = false,
+        .can_blcg               = false,
+        .can_elcg               = false,
 
         .ch_wdt_timeout_ms = 5000,