diff --git a/drivers/gpu/nvgpu/os/linux/vgpu/ga10b/platform_ga10b_vgpu_tegra.c b/drivers/gpu/nvgpu/os/linux/vgpu/ga10b/platform_ga10b_vgpu_tegra.c
index a84aee4db..9477a24eb 100644
--- a/drivers/gpu/nvgpu/os/linux/vgpu/ga10b/platform_ga10b_vgpu_tegra.c
+++ b/drivers/gpu/nvgpu/os/linux/vgpu/ga10b/platform_ga10b_vgpu_tegra.c
@@ -33,6 +33,9 @@ struct gk20a_platform ga10b_vgpu_tegra_platform = {
 	.has_syncpoints = true,
 #endif
 
+	/* ptimer src frequency in hz*/
+	.ptimer_src_freq = 31250000,
+
 	/* power management configuration */
 	.can_railgate_init      = false,
 	.can_elpg_init          = false,