*flags |= AMD_CG_SUPPORT_SDMA_LS;
}
+static void sdma_v5_2_ring_begin_use(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ /* SDMA 5.2.3 (RMB) FW doesn't seem to properly
+ * disallow GFXOFF in some cases leading to
+ * hangs in SDMA. Disallow GFXOFF while SDMA is active.
+ * We can probably just limit this to 5.2.3,
+ * but it shouldn't hurt for other parts since
+ * this GFXOFF will be disallowed anyway when SDMA is
+ * active, this just makes it explicit.
+ */
+ amdgpu_gfx_off_ctrl(adev, false);
+}
+
+static void sdma_v5_2_ring_end_use(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ /* SDMA 5.2.3 (RMB) FW doesn't seem to properly
+ * disallow GFXOFF in some cases leading to
+ * hangs in SDMA. Allow GFXOFF when SDMA is complete.
+ */
+ amdgpu_gfx_off_ctrl(adev, true);
+}
+
const struct amd_ip_funcs sdma_v5_2_ip_funcs = {
.name = "sdma_v5_2",
.early_init = sdma_v5_2_early_init,
.test_ib = sdma_v5_2_ring_test_ib,
.insert_nop = sdma_v5_2_ring_insert_nop,
.pad_ib = sdma_v5_2_ring_pad_ib,
+ .begin_use = sdma_v5_2_ring_begin_use,
+ .end_use = sdma_v5_2_ring_end_use,
.emit_wreg = sdma_v5_2_ring_emit_wreg,
.emit_reg_wait = sdma_v5_2_ring_emit_reg_wait,
.emit_reg_write_reg_wait = sdma_v5_2_ring_emit_reg_write_reg_wait,