1 files changed, 43 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4844-drm-amd-display-Notify-powerplay-the-display-control.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4844-drm-amd-display-Notify-powerplay-the-display-control.patch
new file mode 100644
index 00000000..5911ae91
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4844-drm-amd-display-Notify-powerplay-the-display-control.patch
@@ -0,0 +1,43 @@
+From 578a424a263911f422a4b089dfc61e1f9681f40f Mon Sep 17 00:00:00 2001
+From: rex zhu <rex.zhu@amd.com>
+Date: Mon, 2 Jul 2018 16:20:56 +0800
+Subject: [PATCH 4844/5725] drm/amd/display: Notify powerplay the display
+ controller id
+
+powerplay can recalculate the number of active display
+
+Acked-by: Alex Deucher <alexander.deucher@amd.com>
+Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
+index 2e801ba..8184511 100644
+--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
+@@ -41,6 +41,7 @@ bool dm_pp_apply_display_requirements(
+ 		const struct dm_pp_display_configuration *pp_display_cfg)
+ {
+ 	struct amdgpu_device *adev = ctx->driver_context;
++	int i;
+ 
+ 	if (adev->pm.dpm_enabled) {
+ 
+@@ -95,6 +96,12 @@ bool dm_pp_apply_display_requirements(
+ 		adev->pm.pm_display_cfg.crossfire_display_index = -1;
+ 		adev->pm.pm_display_cfg.min_bus_bandwidth = 0;
+ 
++		for (i = 0; i < pp_display_cfg->display_count; i++) {
++			const struct dm_pp_single_disp_config *dc_cfg =
++						&pp_display_cfg->disp_configs[i];
++			adev->pm.pm_display_cfg.displays[i].controller_id = dc_cfg->pipe_idx + 1;
++		}
++
+ 		/* TODO: complete implementation of
+ 		 * pp_display_configuration_change().
+ 		 * Follow example of:
+-- 
+2.7.4
+