drm/radeon/kms: Add initial support for async DMA on SI

Pretty much the same as cayman.  Some changes to the copy
packets.

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

1 files changed, 22 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 8cf8ae86973..d455bcb655c 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1731,6 +1731,26 @@ static struct radeon_asic si_asic = {
                         .ib_test = &r600_ib_test,
                         .is_lockup = &si_gpu_is_lockup,
                         .vm_flush = &si_vm_flush,
+                },
+                [R600_RING_TYPE_DMA_INDEX] = {
+                        .ib_execute = &cayman_dma_ring_ib_execute,
+                        .emit_fence = &evergreen_dma_fence_ring_emit,
+                        .emit_semaphore = &r600_dma_semaphore_ring_emit,
+                        .cs_parse = NULL,
+                        .ring_test = &r600_dma_ring_test,
+                        .ib_test = &r600_dma_ib_test,
+                        .is_lockup = &cayman_dma_is_lockup,
+                        .vm_flush = &si_dma_vm_flush,
+                },
+                [CAYMAN_RING_TYPE_DMA1_INDEX] = {
+                        .ib_execute = &cayman_dma_ring_ib_execute,
+                        .emit_fence = &evergreen_dma_fence_ring_emit,
+                        .emit_semaphore = &r600_dma_semaphore_ring_emit,
+                        .cs_parse = NULL,
+                        .ring_test = &r600_dma_ring_test,
+                        .ib_test = &r600_dma_ib_test,
+                        .is_lockup = &cayman_dma_is_lockup,
+                        .vm_flush = &si_dma_vm_flush,
                 }
         },
         .irq = {
@@ -1747,8 +1767,8 @@ static struct radeon_asic si_asic = {
         .copy = {
                 .blit = NULL,
                 .blit_ring_index = RADEON_RING_TYPE_GFX_INDEX,
-                .dma = NULL,
-                .dma_ring_index = RADEON_RING_TYPE_GFX_INDEX,
+                .dma = &si_copy_dma,
+                .dma_ring_index = R600_RING_TYPE_DMA_INDEX,
                 .copy = NULL,
                 .copy_ring_index = RADEON_RING_TYPE_GFX_INDEX,
         },