gpu: nvgpu: skip clk gating prog for sim/emu.

For Simualtion/Emulation platforms,clock gating
should be skipped as it is not supported.
Added new flags "can_"X"lcg" to check platform
capability before doing SLCG,BLCG and ELCG.

Bug 200314250

Change-Id: I4124d444a77a4c06df8c1d82c6038bfd457f3db0
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1566049
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/pci.c b/drivers/gpu/nvgpu/common/linux/pci.c
index 1a7d1842..6e3e02e5 100644
--- a/drivers/gpu/nvgpu/common/linux/pci.c
+++ b/drivers/gpu/nvgpu/common/linux/pci.c
@@ -79,6 +79,9 @@ static struct gk20a_platform nvgpu_pci_device[] = {
         .enable_slcg = true,
         .enable_blcg = true,
         .enable_mscg = true,
+        .can_slcg    = true,
+        .can_blcg    = true,
+        .can_elcg    = true,
         .default_pri_timeout = 0x3ff,
 
         .disable_aspm = true,
@@ -112,6 +115,9 @@ static struct gk20a_platform nvgpu_pci_device[] = {
         .enable_slcg = true,
         .enable_blcg = true,
         .enable_mscg = true,
+        .can_slcg    = true,
+        .can_blcg    = true,
+        .can_elcg    = true,
         .default_pri_timeout = 0x3ff,
 
         .disable_aspm = true,
@@ -145,6 +151,9 @@ static struct gk20a_platform nvgpu_pci_device[] = {
         .enable_slcg = true,
         .enable_blcg = true,
         .enable_mscg = true,
+        .can_slcg    = true,
+        .can_blcg    = true,
+        .can_elcg    = true,
         .default_pri_timeout = 0x3ff,
 
         .disable_aspm = true,
@@ -178,6 +187,9 @@ static struct gk20a_platform nvgpu_pci_device[] = {
         .enable_slcg = true,
         .enable_blcg = true,
         .enable_mscg = true,
+        .can_slcg    = true,
+        .can_blcg    = true,
+        .can_elcg    = true,
         .default_pri_timeout = 0x3ff,
 
         .disable_aspm = true,
@@ -211,6 +223,9 @@ static struct gk20a_platform nvgpu_pci_device[] = {
         .enable_slcg = false,
         .enable_blcg = false,
         .enable_mscg = false,
+        .can_slcg    = false,
+        .can_blcg    = false,
+        .can_elcg    = false,
         .default_pri_timeout = 0x3ff,
 
         .disable_aspm = true,
@@ -241,6 +256,9 @@ static struct gk20a_platform nvgpu_pci_device[] = {
         .enable_slcg = false,
         .enable_blcg = false,
         .enable_mscg = false,
+        .can_slcg    = false,
+        .can_blcg    = false,
+        .can_elcg    = false,
         .default_pri_timeout = 0x3ff,
 
         .disable_aspm = true,