1 files changed, 32 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2666-drm-amd-display-disable-display-writeback-for-navi14.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2666-drm-amd-display-disable-display-writeback-for-navi14.patch
new file mode 100644
index 00000000..c9682106
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2666-drm-amd-display-disable-display-writeback-for-navi14.patch
@@ -0,0 +1,32 @@
+From 7ef04e99acd06f5d071d760d8d28daa2b3295a19 Mon Sep 17 00:00:00 2001
+From: Xiaojie Yuan <xiaojie.yuan@amd.com>
+Date: Thu, 18 Apr 2019 17:46:17 +0800
+Subject: [PATCH 2666/2940] drm/amd/display: disable display writeback for
+ navi14
+
+not used.
+
+Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
+Acked-by: Alex Deucher <alexander.deucher@amd.com>
+Reviewed-by: Huang Rui <ray.huang@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+index c3911501a2c0..385a36f51f43 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+@@ -700,7 +700,7 @@ static const struct resource_caps res_cap_nv14 = {
+ 		.num_audio = 6,
+ 		.num_stream_encoder = 5,
+ 		.num_pll = 5,
+-		.num_dwb = 1,
++		.num_dwb = 0,
+ 		.num_ddc = 5,
+ };
+ 
+-- 
+2.17.1
+