From 3197a918d5052c71ad854f6b22fdb35bfe7cebe2 Mon Sep 17 00:00:00 2001
From: Richard Zhao <rizhao@nvidia.com>
Date: Thu, 10 Aug 2017 16:34:16 -0700
Subject: gpu: nvgpu: gv11b: add max_subctx_count to g->fifo.t19x

- For better performance. It used to read register every time referencing
  max_subctx_count.
- Avoid reading registers for vgpu.

Jira VFND-3797

Change-Id: Id6e6b15a0d9a035795e8a9a2c6bb63524c5eb544
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1537009
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
---
 drivers/gpu/nvgpu/fifo_t19x.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'drivers/gpu/nvgpu/fifo_t19x.h')

diff --git a/drivers/gpu/nvgpu/fifo_t19x.h b/drivers/gpu/nvgpu/fifo_t19x.h
index 531c6f34..25d5f41d 100644
--- a/drivers/gpu/nvgpu/fifo_t19x.h
+++ b/drivers/gpu/nvgpu/fifo_t19x.h
@@ -16,6 +16,7 @@
 
 struct fifo_t19x {
 	void __iomem *usermode_regs;
+	u32 max_subctx_count;
 };
 
 #endif
-- 
cgit v1.2.2