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drm/amdgpu: limit sdma instances to 2 for Arcturus in BU phase

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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>
This commit is contained in:
Le Ma 2019-06-30 11:35:32 +08:00 • committed by Alex Deucher
commit fc1e272e8d
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
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@ -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;