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| author | Christian König <christian.koenig@amd.com> | 2018-01-16 20:31:15 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:18:11 -0500 |
| commit | 250b422833321d1d5a6e68ae8699c4e34563de0e (patch) | |
| tree | 7a2f87d1a5202a2adedbfff054b218a3a143812e | |
| parent | 86ea2ff6981cf773ca77df4a4fa8b47ac24446e4 (diff) | |
| download | linux-250b422833321d1d5a6e68ae8699c4e34563de0e.tar.gz linux-250b422833321d1d5a6e68ae8699c4e34563de0e.tar.bz2 linux-250b422833321d1d5a6e68ae8699c4e34563de0e.zip | |
drm/amdgpu: add PASID mapping for GMC v9
This way we can see the PASID in VM faults.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15.h | 2 |
2 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index d280f324a44c..e90eaafabeb1 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -34,6 +34,7 @@ #include "vega10_enum.h" #include "mmhub/mmhub_1_0_offset.h" #include "athub/athub_1_0_offset.h" +#include "oss/osssys_4_0_offset.h" #include "soc15.h" #include "soc15_common.h" @@ -370,10 +371,12 @@ static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, unsigned vmid, unsigned pasid, uint64_t pd_addr) { - struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub]; + struct amdgpu_device *adev = ring->adev; + struct amdgpu_vmhub *hub = &adev->vmhub[ring->funcs->vmhub]; uint32_t req = gmc_v9_0_get_invalidate_req(vmid); uint64_t flags = AMDGPU_PTE_VALID; unsigned eng = ring->vm_inv_eng; + uint32_t reg; amdgpu_gmc_get_vm_pde(ring->adev, -1, &pd_addr, &flags); pd_addr |= flags; @@ -384,6 +387,13 @@ static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + (2 * vmid), upper_32_bits(pd_addr)); + if (ring->funcs->vmhub == AMDGPU_GFXHUB) + reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid; + else + reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid; + + amdgpu_ring_emit_wreg(ring, reg, pasid); + amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_req + eng, req); return pd_addr; diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.h b/drivers/gpu/drm/amd/amdgpu/soc15.h index a6b3b00d55e4..0f63ed674d0b 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.h +++ b/drivers/gpu/drm/amd/amdgpu/soc15.h @@ -27,7 +27,7 @@ #include "nbio_v6_1.h" #include "nbio_v7_0.h" -#define SOC15_FLUSH_GPU_TLB_NUM_WREG 3 +#define SOC15_FLUSH_GPU_TLB_NUM_WREG 4 extern const struct amd_ip_funcs soc15_common_ip_funcs; |