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From d52cbb52f27d046aaef4c35cd52d0c95544ecb97 Mon Sep 17 00:00:00 2001
From: Le Ma <le.ma@amd.com>
Date: Sun, 30 Jun 2019 11:35:32 +0800
Subject: [PATCH 2978/4256] drm/amdgpu: limit sdma instances to 2 for Arcturus
in BU phase
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>
---
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 48d4597ef9f6..9c7a3eb9a9a0 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -1601,7 +1601,7 @@ 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;
--
2.17.1
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