[PATCH] drm/amdgpu/gfx9: fix ngg enablement to clear gds reserved memory

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Signed-off-by: Junwei Zhang <Jerry.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index ae976e3..5f2ae77 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1069,7 +1069,7 @@ static int gfx_v9_0_ngg_init(struct amdgpu_device *adev)
 	adev->gds.mem.total_size -= adev->gfx.ngg.gds_reserve_size;
 	adev->gds.mem.gfx_partition_size -= adev->gfx.ngg.gds_reserve_size;
 	adev->gfx.ngg.gds_reserve_addr = SOC15_REG_OFFSET(GC, 0, mmGDS_VMID0_BASE);
-	adev->gfx.ngg.gds_reserve_addr += adev->gds.mem.gfx_partition_size;
+	adev->gfx.ngg.gds_reserve_addr += SOC15_REG_OFFSET(GC, 0, mmGDS_VMID0_SIZE);
 
 	/* Primitive Buffer */
 	r = gfx_v9_0_ngg_create_buf(adev, &adev->gfx.ngg.buf[NGG_PRIM],
@@ -1181,13 +1181,15 @@ static int gfx_v9_0_ngg_en(struct amdgpu_device *adev)
 
 	amdgpu_ring_write(ring, PACKET3(PACKET3_DMA_DATA, 5));
 	amdgpu_ring_write(ring, (PACKET3_DMA_DATA_CP_SYNC |
+				PACKET3_DMA_DATA_DST_SEL(0) |
 				PACKET3_DMA_DATA_SRC_SEL(2)));
 	amdgpu_ring_write(ring, 0);
 	amdgpu_ring_write(ring, 0);
 	amdgpu_ring_write(ring, adev->gfx.ngg.gds_reserve_addr);
 	amdgpu_ring_write(ring, 0);
-	amdgpu_ring_write(ring, adev->gfx.ngg.gds_reserve_size);
-
+	amdgpu_ring_write(ring, PACKET3_DMA_DATA_CMD_DAS |
+				PACKET3_DMA_DATA_CMD_RAW_WAIT |
+				adev->gfx.ngg.gds_reserve_size);
 
 	gfx_v9_0_write_data_to_reg(ring, 0, false,
 				   SOC15_REG_OFFSET(GC, 0, mmGDS_VMID0_SIZE), 0);
-- 
1.9.1



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