From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Tue, 16 Jan 2018 20:26:03 +0100 Subject: drm/amdgpu: add PASID mapping for GMC v8 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Git-commit: 86ea2ff6981cf773ca77df4a4fa8b47ac24446e4 Patch-mainline: v4.17-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 This way we can see the PASID in VM faults. Signed-off-by: Christian König Reviewed-by: Chunming Zhou Signed-off-by: Alex Deucher Acked-by: Petr Tesarik --- drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 2 ++ drivers/gpu/drm/amd/amdgpu/vi.h | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -623,6 +623,8 @@ static uint64_t gmc_v8_0_emit_flush_gpu_ reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8; amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12); + amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid); + /* bits 0-15 are the VM contexts0-15 */ amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid); --- a/drivers/gpu/drm/amd/amdgpu/vi.h +++ b/drivers/gpu/drm/amd/amdgpu/vi.h @@ -24,7 +24,7 @@ #ifndef __VI_H__ #define __VI_H__ -#define VI_FLUSH_GPU_TLB_NUM_WREG 2 +#define VI_FLUSH_GPU_TLB_NUM_WREG 3 void vi_srbm_select(struct amdgpu_device *adev, u32 me, u32 pipe, u32 queue, u32 vmid);