diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0595-drm-amd-dal-do-not-remove-MST-sinks-in-DC.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0595-drm-amd-dal-do-not-remove-MST-sinks-in-DC.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0595-drm-amd-dal-do-not-remove-MST-sinks-in-DC.patch b/common/recipes-kernel/linux/files/0595-drm-amd-dal-do-not-remove-MST-sinks-in-DC.patch new file mode 100644 index 00000000..db0bf660 --- /dev/null +++ b/common/recipes-kernel/linux/files/0595-drm-amd-dal-do-not-remove-MST-sinks-in-DC.patch @@ -0,0 +1,50 @@ +From d906352dfc34ffcd1459b21b6f1f2de61c5ac85d Mon Sep 17 00:00:00 2001 +From: Mykola Lysenko <Mykola.Lysenko@amd.com> +Date: Wed, 9 Dec 2015 19:57:21 +0800 +Subject: [PATCH 0595/1110] drm/amd/dal: do not remove MST sinks in DC + +They will be removed by appropriate code in DM, as +they were created in DM + +Signed-off-by: Harry Wentland <harry.wentland@amd.com> +Acked-by: Harry Wentland<harry.wentland@amd.com> +--- + drivers/gpu/drm/amd/dal/dc/core/dc_link.c | 18 +++++++++++++++++- + 1 file changed, 17 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/dal/dc/core/dc_link.c b/drivers/gpu/drm/amd/dal/dc/core/dc_link.c +index fe36786..2f2800f 100644 +--- a/drivers/gpu/drm/amd/dal/dc/core/dc_link.c ++++ b/drivers/gpu/drm/amd/dal/dc/core/dc_link.c +@@ -639,11 +639,27 @@ void dc_link_detect(const struct dc_link *dc_link) + switch (link->public.connector_signal) { + case SIGNAL_TYPE_DISPLAY_PORT: + dc_helpers_dp_mst_stop_top_mgr(link->ctx, &link->public); ++ /* ++ * in this case sinks would be removed in outer level ++ */ ++ ++ /* ++ * TODO: this is the only way to understand that link ++ * was in mst mode. Proposal for future to add ++ * additional field to link that will show actual state. ++ * ++ * For the change: for mst we create sink outside, and ++ * should remove them in the same place ++ */ ++ if (link->public.sink_count == 1 && ++ link->public.sink[0]->sink_signal != ++ SIGNAL_TYPE_DISPLAY_PORT_MST) ++ link_disconnect_all_sinks(link); + break; + default: ++ link_disconnect_all_sinks(link); + break; + } +- link_disconnect_all_sinks(link); + } + + LINK_INFO("link=%d, dc_sink_in=%p is now %s\n", +-- +2.7.4 + |