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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0733-drm-amd-display-fix-eDP-power-down-sequence.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/0733-drm-amd-display-fix-eDP-power-down-sequence.patch51
1 files changed, 51 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0733-drm-amd-display-fix-eDP-power-down-sequence.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0733-drm-amd-display-fix-eDP-power-down-sequence.patch
new file mode 100644
index 00000000..6dbbff7a
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0733-drm-amd-display-fix-eDP-power-down-sequence.patch
@@ -0,0 +1,51 @@
+From 4554a97db5ddf1d01abe5827991fb847b55463ff Mon Sep 17 00:00:00 2001
+From: Charlene Liu <charlene.liu@amd.com>
+Date: Thu, 3 Aug 2017 13:04:44 -0400
+Subject: [PATCH 0733/4131] drm/amd/display: fix eDP power down sequence
+
+Signed-off-by: Charlene Liu <charlene.liu@amd.com>
+Reviewed-by: Anthony Koo <Anthony.Koo@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_hwss.c | 15 +++++++++------
+ 1 file changed, 9 insertions(+), 6 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
+index 8225687..d19c663 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
+@@ -90,10 +90,13 @@ void dp_enable_link_phy(
+ if (dc_is_dp_sst_signal(signal)) {
+ if (signal == SIGNAL_TYPE_EDP) {
+ link_enc->funcs->power_control(link_enc, true);
++ link_enc->funcs->enable_dp_output(
++ link_enc,
++ link_settings,
++ clock_source);
+ link_enc->funcs->backlight_control(link_enc, true);
+- }
+-
+- link_enc->funcs->enable_dp_output(
++ } else
++ link_enc->funcs->enable_dp_output(
+ link_enc,
+ link_settings,
+ clock_source);
+@@ -114,10 +117,10 @@ void dp_disable_link_phy(struct dc_link *link, enum signal_type signal)
+
+ if (signal == SIGNAL_TYPE_EDP) {
+ link->link_enc->funcs->backlight_control(link->link_enc, false);
++ link->link_enc->funcs->disable_output(link->link_enc, signal);
+ link->link_enc->funcs->power_control(link->link_enc, false);
+- }
+-
+- link->link_enc->funcs->disable_output(link->link_enc, signal);
++ } else
++ link->link_enc->funcs->disable_output(link->link_enc, signal);
+
+ /* Clear current link setting.*/
+ memset(&link->cur_link_settings, 0,
+--
+2.7.4
+