4.9-stable patches

added patches:
	drm-edid-add-6-bpc-quirk-for-sdc-panel-in-lenovo-b50-80.patch

diff --git a/queue-4.9/drm-edid-add-6-bpc-quirk-for-sdc-panel-in-lenovo-b50-80.patch b/queue-4.9/drm-edid-add-6-bpc-quirk-for-sdc-panel-in-lenovo-b50-80.patch
new file mode 100644 (file)
index 0000000..cca73be
--- /dev/null
+++ b/queue-4.9/drm-edid-add-6-bpc-quirk-for-sdc-panel-in-lenovo-b50-80.patch
@@ -0,0 +1,37 @@
+From 25da75043f8690fd083878447c91f289dfb63b87 Mon Sep 17 00:00:00 2001
+From: Kai-Heng Feng <kai.heng.feng@canonical.com>
+Date: Thu, 23 Aug 2018 05:53:32 +0000
+Subject: drm/edid: Add 6 bpc quirk for SDC panel in Lenovo B50-80
+
+From: Kai-Heng Feng <kai.heng.feng@canonical.com>
+
+commit 25da75043f8690fd083878447c91f289dfb63b87 upstream.
+
+Another panel that reports "DFP 1.x compliant TMDS" but it supports 6bpc
+instead of 8 bpc.
+
+Apply 6 bpc quirk for the panel to fix it.
+
+BugLink: https://bugs.launchpad.net/bugs/1788308
+Cc: <stable@vger.kernel.org> # v4.8+
+Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
+Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
+Link: https://patchwork.freedesktop.org/patch/msgid/20180823055332.7723-1-kai.heng.feng@canonical.com
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ drivers/gpu/drm/drm_edid.c |    3 +++
+ 1 file changed, 3 insertions(+)
+
+--- a/drivers/gpu/drm/drm_edid.c
++++ b/drivers/gpu/drm/drm_edid.c
+@@ -110,6 +110,9 @@ static const struct edid_quirk {
+       /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
+       { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
+ 
++      /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
++      { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
++
+       /* Belinea 10 15 55 */
+       { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
+       { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },

diff --git a/queue-4.9/series b/queue-4.9/series
index edc5ede4b80d828eb2e7359f90f0db22cb89dd36..64d13d77bac9b661a7b53fcadb3f02f849f8f9d2 100644 (file)
--- a/queue-4.9/series
+++ b/queue-4.9/series
@@ -56,3 +56,4 @@ btrfs-relocation-only-remove-reloc-rb_trees-if-reloc-control-has-been-initialize
 btrfs-don-t-remove-block-group-that-still-has-pinned-down-bytes.patch
 arm64-rockchip-force-config_pm-on-rockchip-systems.patch
 arm-rockchip-force-config_pm-on-rockchip-systems.patch
+drm-edid-add-6-bpc-quirk-for-sdc-panel-in-lenovo-b50-80.patch