Signed-off-by: Anand Balagopalakrishnan <[email protected]> --- ...v-seat-restrict-udev-enumeration-to-card0.patch | 36 ++++++++++++++++++++ .../recipes-graphics/wayland/weston_1.9.0.bb | 1 + 2 files changed, 37 insertions(+) create mode 100644 meta-arago-extras/recipes-graphics/wayland/weston/0001-udev-seat-restrict-udev-enumeration-to-card0.patch
diff --git a/meta-arago-extras/recipes-graphics/wayland/weston/0001-udev-seat-restrict-udev-enumeration-to-card0.patch b/meta-arago-extras/recipes-graphics/wayland/weston/0001-udev-seat-restrict-udev-enumeration-to-card0.patch new file mode 100644 index 0000000..9503428 --- /dev/null +++ b/meta-arago-extras/recipes-graphics/wayland/weston/0001-udev-seat-restrict-udev-enumeration-to-card0.patch @@ -0,0 +1,36 @@ +From e8e7a9f7dfa164a75fdbdca87622a2e13334478a Mon Sep 17 00:00:00 2001 +From: Anand Balagopalakrishnan <[email protected]> +Date: Sat, 23 Jan 2016 22:48:07 +0530 +Subject: [PATCH 1/1] udev-seat: restrict udev enumeration to card0 + +In case of separate GPU and Display devices as found in embedded systems, we +could have modeset node and render node controlled by different drivers. +There is a distinct possibility that udev enumeration returns the DRM device +corresponding to render node as the primary DRM device. + +Obviously, modeset operations cannot be done on the GPU DRM device. + +Restrict the udev enumeration to card0 and ensure that DRM device corresponding +to display is returned as the primary DRM device. + +Signed-off-by: Anand Balagopalakrishnan <[email protected]> +--- + src/compositor-drm.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/compositor-drm.c b/src/compositor-drm.c +index 6777bf8..59c2cc5 100644 +--- a/src/compositor-drm.c ++++ b/src/compositor-drm.c +@@ -2827,7 +2827,7 @@ find_primary_gpu(struct drm_backend *b, const char *seat) + + e = udev_enumerate_new(b->udev); + udev_enumerate_add_match_subsystem(e, "drm"); +- udev_enumerate_add_match_sysname(e, "card[0-9]*"); ++ udev_enumerate_add_match_sysname(e, "card0"); + + udev_enumerate_scan_devices(e); + drm_device = NULL; +-- +1.7.9.5 + diff --git a/meta-arago-extras/recipes-graphics/wayland/weston_1.9.0.bb b/meta-arago-extras/recipes-graphics/wayland/weston_1.9.0.bb index 439b279..a444590 100644 --- a/meta-arago-extras/recipes-graphics/wayland/weston_1.9.0.bb +++ b/meta-arago-extras/recipes-graphics/wayland/weston_1.9.0.bb @@ -13,6 +13,7 @@ SRC_URI = "http://wayland.freedesktop.org/releases/${BPN}-${PV}.tar.xz \ file://0001-make-error-portable.patch \ file://libsystemd.patch \ file://explicit-enable-disable-systemd.patch \ + file://0001-udev-seat-restrict-udev-enumeration-to-card0.patch \ " SRC_URI[md5sum] = "66bbba12f546570b4d97f676bc79a28e" SRC_URI[sha256sum] = "9c1b03f3184fa0b0dfdf67e215048085156e1a2ca344af6613fed36794ac48cf" -- 1.7.9.5 _______________________________________________ meta-arago mailing list [email protected] http://arago-project.org/cgi-bin/mailman/listinfo/meta-arago
