diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3545-drm-amd-display-VGA-black-screen-from-s3-when-attach.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3545-drm-amd-display-VGA-black-screen-from-s3-when-attach.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3545-drm-amd-display-VGA-black-screen-from-s3-when-attach.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3545-drm-amd-display-VGA-black-screen-from-s3-when-attach.patch new file mode 100644 index 00000000..df278857 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3545-drm-amd-display-VGA-black-screen-from-s3-when-attach.patch @@ -0,0 +1,34 @@ +From 08763f05ce5716aed0ef0fac3b0715a173594f66 Mon Sep 17 00:00:00 2001 +From: Hersen Wu <hersenxs.wu@amd.com> +Date: Tue, 30 Jan 2018 11:46:16 -0500 +Subject: [PATCH 3545/4131] drm/amd/display: VGA black screen from s3 when + attached to hook + +[Description] For MST, DC already notify MST sink for MST mode, DC stll +check DP SINK DPCD register to see if MST enabled. DP RX firmware may +not handle this properly. + +Signed-off-by: Hersen Wu <hersenxs.wu@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <harry.wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +index 4ee4c03..604fb01 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +@@ -1465,7 +1465,7 @@ void decide_link_settings(struct dc_stream_state *stream, + /* MST doesn't perform link training for now + * TODO: add MST specific link training routine + */ +- if (is_mst_supported(link)) { ++ if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { + *link_setting = link->verified_link_cap; + return; + } +-- +2.7.4 + |