[PATCH] drm/amdgpu: fix scratch register access method in SRIOV

[ZhenGuo Yin]

The scratch register should be accessed through MMIO instead of RLCG
in SRIOV, since it being used in RLCG register access function.

Fixes: 0e1314781b9c("drm/amdgpu: nuke dynamic gfx scratch reg allocation")
---
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index c5f46d264b23..8331e0c5e18e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -3784,7 +3784,7 @@ static int gfx_v10_0_ring_test_ring(struct amdgpu_ring *ring)
 	unsigned i;
 	int r;
 
-	WREG32_SOC15(GC, 0, mmSCRATCH_REG0, 0xCAFEDEAD);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmSCRATCH_REG0), 0xCAFEDEAD);
 	r = amdgpu_ring_alloc(ring, 3);
 	if (r) {
 		DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
@@ -3799,7 +3799,7 @@ static int gfx_v10_0_ring_test_ring(struct amdgpu_ring *ring)
 	amdgpu_ring_commit(ring);
 
 	for (i = 0; i < adev->usec_timeout; i++) {
-		tmp = RREG32_SOC15(GC, 0, mmSCRATCH_REG0);
+		tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmSCRATCH_REG0));
 		if (tmp == 0xDEADBEEF)
 			break;
 		if (amdgpu_emu_mode == 1)
-- 
2.35.1