From: Junwei Zhang <Jerry.Zhang@amd.com>
Date: Wed, 10 Jan 2018 13:45:19 +0800
Subject: drm/amdgpu/gfx9: fix ngg enablement to clear gds reserved memory (v2)
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Git-commit: d33bba4d5d2cc26b2400fb9ec770b9044ab8ed30
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
v2: fix register access
Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Ken Wang <ken.wang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1068,8 +1068,8 @@ static int gfx_v9_0_ngg_init(struct amdg
adev->gfx.ngg.gds_reserve_size = ALIGN(5 * 4, 0x40);
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 = RREG32_SOC15(GC, 0, mmGDS_VMID0_BASE);
+ adev->gfx.ngg.gds_reserve_addr += RREG32_SOC15(GC, 0, mmGDS_VMID0_SIZE);
/* Primitive Buffer */
r = gfx_v9_0_ngg_create_buf(adev, &adev->gfx.ngg.buf[NGG_PRIM],
@@ -1181,13 +1181,14 @@ static int gfx_v9_0_ngg_en(struct amdgpu
amdgpu_ring_write(ring, PACKET3(PACKET3_DMA_DATA, 5));
amdgpu_ring_write(ring, (PACKET3_DMA_DATA_CP_SYNC |
+ PACKET3_DMA_DATA_DST_SEL(1) |
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_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);