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-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index 362bf51ab1d2..41bbabd9ad4d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -256,6 +256,7 @@ static int gfx_v9_4_3_ring_test_ring(struct amdgpu_ring *ring)
xcc_offset = SOC15_REG_OFFSET(GC, 0, regSCRATCH_REG0);
scratch_reg0_offset = SOC15_REG_OFFSET(GC, GET_INST(GC, ring->xcc_id), regSCRATCH_REG0);
WREG32(scratch_reg0_offset, 0xCAFEDEAD);
+ tmp = RREG32(scratch_reg0_offset);
r = amdgpu_ring_alloc(ring, 3);
if (r)