gpu: nvgpu: Enable syncpt reclaim only on gm20b

gm20b has more channels than sync points. We use aggressive reclaim
of sync points to offset that. Disable aggressive reclaim for gk20a
because it is not needed there.

Bug 1583849

Change-Id: I2a74b0504150a54cb8a97016effe20c5d905ac95
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/657095
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c b/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
index dfbc1ae0..9d17aa86 100644
--- a/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
+++ b/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
@@ -584,6 +584,11 @@ struct gk20a_platform gk20a_tegra_platform = {
 
 struct gk20a_platform gm20b_tegra_platform = {
         .has_syncpoints = true,
+        /*
+         * Enable aggressive reclaiming of sync point, becuase we have
+         * fewer sync points than channels
+         */
+        .sync_aggressive_destroy = true,
 
         /* power management configuration */
         .railgate_delay         = 500,