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authorChristian König <christian.koenig@amd.com>2018-01-16 20:26:03 +0100
committerAlex Deucher <alexander.deucher@amd.com>2018-02-19 14:18:11 -0500
commit86ea2ff6981cf773ca77df4a4fa8b47ac24446e4 (patch)
treeaea76de979d5507c42c307c70567698ebe974592 /drivers
parent0da63bbb5ba6050fcd1595a59645840cf9fd7a24 (diff)
downloadlinux-86ea2ff6981cf773ca77df4a4fa8b47ac24446e4.tar.bz2
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vi.h2
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 267ff3d4872a..ce1819612d63 100644
--- 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 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);