gpu: nvgpu: 3d.emc bandwidth ratio policy

Modify the 3d.emc policy to use a formula based on bandwidth and
utilization instead of the current sku-dependent policy.

Bug 1364894

Change-Id: Id97f765a48f0aa9f5ebeb0c82bccb22db474a1ae
Signed-off-by: Samuel Russell <samuelr@nvidia.com>
Reviewed-on: http://git-master/r/453586
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 77300203..730ef43e 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -297,6 +297,8 @@ struct gk20a {
         bool forced_reset;
         bool allow_all;
 
+        u32 emc3d_ratio;
+
 #ifdef CONFIG_DEBUG_FS
         spinlock_t debugfs_lock;
         struct dentry *debugfs_ltc_enabled;