drm/amdgpu: add DMA implementation for si v8

v4: rebase fixes
v5: use the generic nop fill
v6: rebase fixes
v7: rebase fixes
    copy count fixes from Jonathan
    general cleanup
    add fill buffer implementation
v8: adapt write_pte and copy_pte to latest changes

Signed-off-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index e31ffe819ec7..1d29e128157a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1706,6 +1706,10 @@ struct amdgpu_sdma_instance {
 
 struct amdgpu_sdma {
         struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES];
+#ifdef CONFIG_DRM_AMDGPU_SI
+        //SI DMA has a difference trap irq number for the second engine
+        struct amdgpu_irq_src   trap_irq_1;
+#endif
         struct amdgpu_irq_src   trap_irq;
         struct amdgpu_irq_src   illegal_inst_irq;
         int                     num_instances;