diff options
author | ToshikazuOhiwa <toshikazu_ohiwa@mail.toyota.co.jp> | 2020-03-30 09:24:26 +0900 |
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committer | ToshikazuOhiwa <toshikazu_ohiwa@mail.toyota.co.jp> | 2020-03-30 09:24:26 +0900 |
commit | 5b80bfd7bffd4c20d80b7c70a7130529e9a755dd (patch) | |
tree | b4bb18dcd1487dbf1ea8127e5671b7bb2eded033 /meta-agl/meta-agl-bsp/meta-ti/recipes-arago/weston/weston/0001-udev-seat-restrict-udev-enumeration-to-card0.patch | |
parent | 706ad73eb02caf8532deaf5d38995bd258725cb8 (diff) |
agl-basesystem
Diffstat (limited to 'meta-agl/meta-agl-bsp/meta-ti/recipes-arago/weston/weston/0001-udev-seat-restrict-udev-enumeration-to-card0.patch')
-rw-r--r-- | meta-agl/meta-agl-bsp/meta-ti/recipes-arago/weston/weston/0001-udev-seat-restrict-udev-enumeration-to-card0.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/meta-agl/meta-agl-bsp/meta-ti/recipes-arago/weston/weston/0001-udev-seat-restrict-udev-enumeration-to-card0.patch b/meta-agl/meta-agl-bsp/meta-ti/recipes-arago/weston/weston/0001-udev-seat-restrict-udev-enumeration-to-card0.patch new file mode 100644 index 00000000..45d4ec7d --- /dev/null +++ b/meta-agl/meta-agl-bsp/meta-ti/recipes-arago/weston/weston/0001-udev-seat-restrict-udev-enumeration-to-card0.patch @@ -0,0 +1,37 @@ +From e8e7a9f7dfa164a75fdbdca87622a2e13334478a Mon Sep 17 00:00:00 2001 +From: Anand Balagopalakrishnan <anandb@ti.com> +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. + +Upstream-Status: Pending + +Signed-off-by: Anand Balagopalakrishnan <anandb@ti.com> +--- + libweston/compositor-drm.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/libweston/compositor-drm.c b/libweston/compositor-drm.c +index 6777bf8..59c2cc5 100644 +--- a/libweston/compositor-drm.c ++++ b/libweston/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 |