1 files changed, 31 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4182-drm-amd-display-correct-dcn21-NUM_VMID-to-16.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4182-drm-amd-display-correct-dcn21-NUM_VMID-to-16.patch
new file mode 100644
index 00000000..d0549b65
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4182-drm-amd-display-correct-dcn21-NUM_VMID-to-16.patch
@@ -0,0 +1,31 @@
+From bc38311a711c0dd65138f1253bec9d8f021dc821 Mon Sep 17 00:00:00 2001
+From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
+Date: Wed, 2 Oct 2019 15:59:23 -0400
+Subject: [PATCH 4182/4736] drm/amd/display: correct dcn21 NUM_VMID to 16
+
+1 vmid limitation only exists for HOSTVM which is a custom
+use case anyway.
+
+Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
+Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
+Reviewed-by: Roman Li <Roman.Li@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c
+index 44f64a8e33f1..aeb5de6f4530 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c
+@@ -52,7 +52,7 @@
+ #ifdef NUM_VMID
+ #undef NUM_VMID
+ #endif
+-#define NUM_VMID 1
++#define NUM_VMID 16
+ 
+ static uint32_t convert_and_clamp(
+ 	uint32_t wm_ns,
+-- 
+2.17.1
+