diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0982-drm-amd-dal-change-in-MST-connector-detection.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0982-drm-amd-dal-change-in-MST-connector-detection.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0982-drm-amd-dal-change-in-MST-connector-detection.patch b/common/recipes-kernel/linux/files/0982-drm-amd-dal-change-in-MST-connector-detection.patch new file mode 100644 index 00000000..b8b48603 --- /dev/null +++ b/common/recipes-kernel/linux/files/0982-drm-amd-dal-change-in-MST-connector-detection.patch @@ -0,0 +1,41 @@ +From fe10fdc27a61a42a7789d357bd5b831523bb8cd3 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 0982/1050] 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. + +Change-Id: I8fe7579fa3934fe20e2256764b01d8c1245c5b20 +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 3750a0d..4f585c6 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; + } + +-- +1.9.1 + |