From: Thierry Reding <treding@nvidia.com>
Date: Wed, 16 May 2018 15:05:04 +0000 (+0200)
Subject: drm/tegra: Track client version
X-Git-Tag: v4.18-rc1~128^2~3^2~4
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=f3b3cfcc3f09490ffb8e1e997e8a8695a6a55b1b;p=users%2Fjedix%2Flinux-maple.git

drm/tegra: Track client version

Userspace needs to know the version of the interface implemented by a
client so it can create the proper command streams. Allow individual
drivers to store this version along with the client so that it can be
returned to userspace upon opening a channel.

Acked-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index f47a60592334..92d248784396 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -91,6 +91,7 @@ struct tegra_drm_client {
 	struct host1x_client base;
 	struct list_head list;
 
+	unsigned int version;
 	const struct tegra_drm_client_ops *ops;
 };