drm/amdgpu: move vcn ring test to amdgpu_vcn.c

Hope it will be generic for vcn later

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c

@@ -232,6 +232,42 @@ void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
 	schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
 }
 
+int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+	uint32_t tmp = 0;
+	unsigned i;
+	int r;
+
+	WREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0xCAFEDEAD);
+	r = amdgpu_ring_alloc(ring, 3);
+	if (r) {
+		DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
+			  ring->idx, r);
+		return r;
+	}
+	amdgpu_ring_write(ring,
+		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0));
+	amdgpu_ring_write(ring, 0xDEADBEEF);
+	amdgpu_ring_commit(ring);
+	for (i = 0; i < adev->usec_timeout; i++) {
+		tmp = RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID));
+		if (tmp == 0xDEADBEEF)
+			break;
+		DRM_UDELAY(1);
+	}
+
+	if (i < adev->usec_timeout) {
+		DRM_INFO("ring test on %d succeeded in %d usecs\n",
+			 ring->idx, i);
+	} else {
+		DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
+			  ring->idx, tmp);
+		r = -EINVAL;
+	}
+	return r;
+}
+
 static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
 			       bool direct, struct dma_fence **fence)
 {

drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h

@@ -52,6 +52,8 @@ int amdgpu_vcn_suspend(struct amdgpu_device *adev);
 int amdgpu_vcn_resume(struct amdgpu_device *adev);
 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring);
 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring);
+
+int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring);
 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
 
 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring);

drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c

@@ -538,49 +538,6 @@ static void vcn_v1_0_dec_ring_emit_hdp_invalidate(struct amdgpu_ring *ring)
 	amdgpu_ring_write(ring, 1);
 }
 
-/**
- * vcn_v1_0_dec_ring_test_ring - register write test
- *
- * @ring: amdgpu_ring pointer
- *
- * Test if we can successfully write to the context register
- */
-static int vcn_v1_0_dec_ring_test_ring(struct amdgpu_ring *ring)
-{
-	struct amdgpu_device *adev = ring->adev;
-	uint32_t tmp = 0;
-	unsigned i;
-	int r;
-
-	WREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0xCAFEDEAD);
-	r = amdgpu_ring_alloc(ring, 3);
-	if (r) {
-		DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
-			  ring->idx, r);
-		return r;
-	}
-	amdgpu_ring_write(ring,
-		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0));
-	amdgpu_ring_write(ring, 0xDEADBEEF);
-	amdgpu_ring_commit(ring);
-	for (i = 0; i < adev->usec_timeout; i++) {
-		tmp = RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID));
-		if (tmp == 0xDEADBEEF)
-			break;
-		DRM_UDELAY(1);
-	}
-
-	if (i < adev->usec_timeout) {
-		DRM_INFO("ring test on %d succeeded in %d usecs\n",
-			 ring->idx, i);
-	} else {
-		DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
-			  ring->idx, tmp);
-		r = -EINVAL;
-	}
-	return r;
-}
-
 /**
  * vcn_v1_0_dec_ring_emit_ib - execute indirect buffer
  *
@@ -732,7 +689,7 @@ static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = {
 	.emit_fence = vcn_v1_0_dec_ring_emit_fence,
 	.emit_vm_flush = vcn_v1_0_dec_ring_emit_vm_flush,
 	.emit_hdp_invalidate = vcn_v1_0_dec_ring_emit_hdp_invalidate,
-	.test_ring = vcn_v1_0_dec_ring_test_ring,
+	.test_ring = amdgpu_vcn_dec_ring_test_ring,
 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
 	.insert_nop = amdgpu_ring_insert_nop,
 	.pad_ib = amdgpu_ring_generic_pad_ib,