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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4355-drm-amd-display-Update-MST-edid-property-every-time.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/4355-drm-amd-display-Update-MST-edid-property-every-time.patch45
1 files changed, 45 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4355-drm-amd-display-Update-MST-edid-property-every-time.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4355-drm-amd-display-Update-MST-edid-property-every-time.patch
new file mode 100644
index 00000000..1ac3e5b8
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4355-drm-amd-display-Update-MST-edid-property-every-time.patch
@@ -0,0 +1,45 @@
+From 737bdcb21b913c95313a0ae5e7fe5e1607d0d548 Mon Sep 17 00:00:00 2001
+From: "Jerry (Fangzhi) Zuo" <Jerry.Zuo@amd.com>
+Date: Tue, 17 Apr 2018 13:49:48 -0400
+Subject: [PATCH 4355/5725] drm/amd/display: Update MST edid property every
+ time
+
+Extended fix to: "Don't read EDID in atomic_check"
+
+Fix display property not observed in GUI display after hot plug.
+
+Call drm_mode_connector_update_edid_property every time in
+.get_modes hook, due to the fact that edid property is getting
+removed from usermode ioctl DRM_IOCTL_MODE_GETCONNECTOR each time
+in hot unplug.
+
+Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@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: Ibc3033985455f1dfff079a7c1cfc2aa14de294f0
+---
+ 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 a9b76fd..131736e 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
+@@ -269,9 +269,9 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector)
+ }
+
+ drm_mode_connector_update_edid_property(
+- &aconnector->base, aconnector->edid);
++ &aconnector->base, aconnector->edid);
+
+- ret = dm_connector_update_modes(connector, aconnector->edid);
++ ret = drm_add_edid_modes(connector, aconnector->edid);
+
+ return ret;
+ }
+--
+2.7.4
+