drm/amdgpu: Implement amdgpu SDMA functions for VI

Signed-off-by: Philip Cox <Philip.Cox@amd.com>
Signed-off-by: shaoyun liu <shaoyun.liu@amd.com>
Signed-off-by: Yong Zhao <yong.zhao@amd.com>
Signed-off-by: Jay Cornwall <Jay.Cornwall@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/vid.h b/drivers/gpu/drm/amd/amdgpu/vid.h
index dbf3703..19ddd23 100644
--- a/drivers/gpu/drm/amd/amdgpu/vid.h
+++ b/drivers/gpu/drm/amd/amdgpu/vid.h
@@ -27,6 +27,8 @@
 #define SDMA1_REGISTER_OFFSET                             0x200 /* not a register */
 #define SDMA_MAX_INSTANCE 2
 
+#define KFD_VI_SDMA_QUEUE_OFFSET                      0x80 /* not a register */
+
 /* crtc instance offsets */
 #define CRTC0_REGISTER_OFFSET                 (0x1b9c - 0x1b9c)
 #define CRTC1_REGISTER_OFFSET                 (0x1d9c - 0x1b9c)