diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4357-drm-amd-display-Check-dc_sink-every-time-in-MST-hotp.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4357-drm-amd-display-Check-dc_sink-every-time-in-MST-hotp.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4357-drm-amd-display-Check-dc_sink-every-time-in-MST-hotp.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4357-drm-amd-display-Check-dc_sink-every-time-in-MST-hotp.patch new file mode 100644 index 00000000..3254a599 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4357-drm-amd-display-Check-dc_sink-every-time-in-MST-hotp.patch @@ -0,0 +1,44 @@ +From 186a555a1e2bfbd94d24d59ef7b42731d0e7fa70 Mon Sep 17 00:00:00 2001 +From: "Jerry (Fangzhi) Zuo" <Jerry.Zuo@amd.com> +Date: Tue, 17 Apr 2018 14:39:09 -0400 +Subject: [PATCH 4357/5725] drm/amd/display: Check dc_sink every time in MST + hotplug + +Extended fix to: "Don't read EDID in atomic_check" + +Fix issue of missing dc_sink in .mode_valid in hot plug routine. + +Need to check dc_sink everytime in .get_modes hook after checking +edid, since edid is not getting removed in hot unplug but dc_sink +doesn't. + +Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com> +Reviewed-by: Roman Li <Roman.Li@amd.com> +Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> + +Conflicts: + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c + +Change-Id: I8ff7af544334884b5df53dd95ed90c590cf7ceda +--- + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +index 131736e..e3110d6 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +@@ -252,8 +252,8 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector) + if (!aconnector->dc_sink) { + struct dc_sink *dc_sink; + struct dc_sink_init_data init_params = { +- .link = aconnector->dc_link, +- .sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST }; ++ .link = aconnector->dc_link, ++ .sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST }; + dc_sink = dc_link_add_remote_sink( + aconnector->dc_link, + (uint8_t *)aconnector->edid, +-- +2.7.4 + |