On 01/11/2018 10:50 AM, Chunming Zhou wrote:
Could I how to verify this is valid fix?
For now, check if there is no vm fault or any other side effect when loading amdgpu with ngg=1.
Later development will be implemented with OGL team together. Jerry
Regards, David Zhou On 2018年01月11日 10:30, Junwei Zhang wrote:v2: fix register access Signed-off-by: Junwei Zhang <jerry.zh...@amd.com> --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 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..6db3645 100644 --- 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 amdgpu_device *adev) 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_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(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);
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