[PATCH 20/21] drm/amdgpu: add PASID mapping for GFX v8

[Christian König]

This way we can see the PASID in VM faults.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 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(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index da02c61dda38..1d0ae23d439f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -622,6 +622,8 @@ 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 6cc2bee4abf7..0429fe332269 100644
--- 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);
-- 
2.14.1