From 3197a918d5052c71ad854f6b22fdb35bfe7cebe2 Mon Sep 17 00:00:00 2001 From: Richard Zhao 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 Reviewed-on: https://git-master.nvidia.com/r/1537009 Reviewed-by: svccoveritychecker Reviewed-by: Seshendra Gadagottu GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom --- drivers/gpu/nvgpu/common/linux/ioctl_tsg_t19x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/nvgpu/common/linux') diff --git a/drivers/gpu/nvgpu/common/linux/ioctl_tsg_t19x.c b/drivers/gpu/nvgpu/common/linux/ioctl_tsg_t19x.c index bf6088ab..b0b1f9c4 100644 --- a/drivers/gpu/nvgpu/common/linux/ioctl_tsg_t19x.c +++ b/drivers/gpu/nvgpu/common/linux/ioctl_tsg_t19x.c @@ -44,7 +44,7 @@ static int gv11b_tsg_ioctl_bind_channel_ex(struct gk20a *g, ch = gk20a_get_channel_from_file(arg->channel_fd); if (!ch) return -EINVAL; - if (arg->subcontext_id < gv11b_get_max_subctx_count(g)) + if (arg->subcontext_id < g->fifo.t19x.max_subctx_count) ch->t19x.subctx_id = arg->subcontext_id; else return -EINVAL; -- cgit v1.2.2