diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0633-drm-amd-dal-change-in-MST-connector-detection.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0633-drm-amd-dal-change-in-MST-connector-detection.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0633-drm-amd-dal-change-in-MST-connector-detection.patch b/common/recipes-kernel/linux/files/0633-drm-amd-dal-change-in-MST-connector-detection.patch new file mode 100644 index 00000000..54872241 --- /dev/null +++ b/common/recipes-kernel/linux/files/0633-drm-amd-dal-change-in-MST-connector-detection.patch @@ -0,0 +1,40 @@ +From 4961892bc6ef5703863922ed00a9901e5df8c862 Mon Sep 17 00:00:00 2001 +From: Mykola Lysenko <Mykola.Lysenko@amd.com> +Date: Thu, 17 Dec 2015 19:32:45 +0800 +Subject: [PATCH 0633/1110] drm/amd/dal: change in MST connector detection + +Only report connector as connected when edid available on +it. This will make sink available on connector in all +cases. + +It also guarantees that we safe if any hotplug notifications +come. + +Signed-off-by: Jordan Lazare <Jordan.Lazare@amd.com> +Acked-by: Jordan Lazare <Jordan.Lazare@amd.com> +--- + drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c +index 4704204..7ef2e60 100644 +--- a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c ++++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c +@@ -79,6 +79,14 @@ dm_dp_mst_detect(struct drm_connector *connector, bool force) + aconnector->edid = NULL; + } + ++ /* ++ * we do not want to make this connector connected until we have edid on ++ * it ++ */ ++ if (status == connector_status_connected && ++ !aconnector->port->cached_edid) ++ status = connector_status_disconnected; ++ + return status; + } + +-- +2.7.4 + |