drm/amdgpu: enable all 8 sdma instances for Arcturus silicon

The more 6 sdma instances work fine now with DF fix in vbios:
  * mmDF_PIE_AON_MiscClientsEnable(0x1c728)=0x3fe(DF_ALL_INSTANCE)
       [9:4]MmhubsEnable=3f (change from 0)

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 8d33cb7..921a6dd 100644 (file)
--- 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 = 2;
+               adev->sdma.num_instances = 8;
        else
                adev->sdma.num_instances = 2;