drm-lease: Add weston DRM lease integration

Allow option for weston to use a DRM lease instead of the primary DRM
device node when using the DRM backend.

EGL clients will require a wayland EGL driver than can does not
need DRM authentication. e.g. an implementation based on DRM render
nodes.

Bug-AGL: SPEC-3730

Change-Id: I12f6d5b5df62a90702431010ab685e3b0654912b
Signed-off-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>

1 files changed, 11 insertions, 2 deletions

diff --git a/meta-agl-drm-lease/README.md b/meta-agl-drm-lease/README.md
index e397e6a3..2c5ba05d 100644
--- a/meta-agl-drm-lease/README.md
+++ b/meta-agl-drm-lease/README.md
@@ -14,9 +14,10 @@ Enable the  `agl-drm-lease` AGL feature when setting up your build environment
 with aglsetup.sh.
 
 This will add the `drm-lease-manager` package to the image, and will add DRM
-lease support to some packages.
+lease support to the following packages:
+ * weston
+ * kmscube
 
-Currently, only the `kmscube` sample application has support for DRM lease.  
 `kmscube` is not included in the image by default. To add the package to the
 image, add the following to your local.conf
 
@@ -37,6 +38,14 @@ This will create 1 lease for each output connection on the platform.
 The name of each lease will be in the form of `card0-<output name>`
 (eg. `card0-LVDS-1` or `card0-HDMI-A-1`)
 
+## Running weston
+
+weston can be started on any available DRM lease by running with the
+`--drm-lease=<lease name>` option. Eg:
+```
+  # weston --drm-lease=card0-HDMI-A-1
+```
+
 ## Running kmscube sample
 
 With the `drm-lease-manager` running `kmscube` can display on any available