drm/amdgpu: add PASID mapping for GMC v8

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 267ff3d..ce18196 100644 (file)
--- 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_tlb(struct amdgpu_ring *ring,
                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);
 

diff --git a/drivers/gpu/drm/amd/amdgpu/vi.h b/drivers/gpu/drm/amd/amdgpu/vi.h
index 6cc2bee..0429fe3 100644 (file)
--- 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);