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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4993-drm-amd-powerplay-slow-UCLK-switch-when-multiple-dis.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/4993-drm-amd-powerplay-slow-UCLK-switch-when-multiple-dis.patch33
1 files changed, 33 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4993-drm-amd-powerplay-slow-UCLK-switch-when-multiple-dis.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4993-drm-amd-powerplay-slow-UCLK-switch-when-multiple-dis.patch
new file mode 100644
index 00000000..a6b6155c
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4993-drm-amd-powerplay-slow-UCLK-switch-when-multiple-dis.patch
@@ -0,0 +1,33 @@
+From e5d3dbcfcab546ece75295a90c23e6cd45fd1229 Mon Sep 17 00:00:00 2001
+From: Evan Quan <evan.quan@amd.com>
+Date: Fri, 20 Jul 2018 10:13:19 +0800
+Subject: [PATCH 4993/5725] drm/amd/powerplay: slow UCLK switch when multiple
+ displays not in sync
+
+Slow switch for UCLK when there is multiple displays and they are
+not in sync.
+
+Signed-off-by: Evan Quan <evan.quan@amd.com>
+Reviewed-by: Rex Zhu <rex.zhu@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+index ca4e1d9..1ef9ab4 100644
+--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+@@ -3799,7 +3799,8 @@ static int vega10_notify_smc_display_config_after_ps_adjustment(
+ uint32_t i;
+ struct pp_display_clock_request clock_req;
+
+- if (hwmgr->display_config->num_display > 1)
++ if ((hwmgr->display_config->num_display > 1) &&
++ !hwmgr->display_config->multi_monitor_in_sync)
+ vega10_notify_smc_display_change(hwmgr, false);
+ else
+ vega10_notify_smc_display_change(hwmgr, true);
+--
+2.7.4
+