From fc1e272e8d21ebe5c992db534b855c604b060cdb Mon Sep 17 00:00:00 2001
From: Le Ma <le.ma@amd.com>
Date: Sun, 30 Jun 2019 11:35:32 +0800
Subject: drm/amdgpu: limit sdma instances to 2 for Arcturus in BU phase
Git-commit: fc1e272e8d21ebe5c992db534b855c604b060cdb
Patch-mainline: v5.4-rc1
References: bsc#1152489

Another 6 sdma instances do not work at present. Disable them to unblock KFD
for silicon bringup as a workaround

Signed-off-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 921a6dd9cbae..8d33cb730b63 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -1602,7 +1602,7 @@ static int sdma_v4_0_early_init(void *handle)
 	if (adev->asic_type == CHIP_RAVEN)
 		adev->sdma.num_instances = 1;
 	else if (adev->asic_type == CHIP_ARCTURUS)
-		adev->sdma.num_instances = 8;
+		adev->sdma.num_instances = 2;
 	else
 		adev->sdma.num_instances = 2;
 
-- 
2.28.0