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-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index f19bab68fd83..4d747ba331db 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -3974,11 +3974,15 @@ static int gfx_v8_0_cp_gfx_start(struct amdgpu_device *adev)
amdgpu_ring_write(ring, 0x3a00161a);
amdgpu_ring_write(ring, 0x0000002e);
break;
- case CHIP_TOPAZ:
case CHIP_CARRIZO:
amdgpu_ring_write(ring, 0x00000002);
amdgpu_ring_write(ring, 0x00000000);
break;
+ case CHIP_TOPAZ:
+ amdgpu_ring_write(ring, adev->gfx.config.num_rbs == 1 ?
+ 0x00000000 : 0x00000002);
+ amdgpu_ring_write(ring, 0x00000000);
+ break;
case CHIP_STONEY:
amdgpu_ring_write(ring, 0x00000000);
amdgpu_ring_write(ring, 0x00000000);