summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu
diff options
context:
space:
mode:
authorChristian König <christian.koenig@amd.com>2018-01-16 20:24:55 +0100
committerAlex Deucher <alexander.deucher@amd.com>2018-02-19 14:18:10 -0500
commit0da63bbb5ba6050fcd1595a59645840cf9fd7a24 (patch)
treee2433dd6c78acbebe8e0e74d8fd042c64b37e866 /drivers/gpu/drm/amd/amdgpu
parent9096d6e51a121c4cd2ea13e7b5087272425cf87a (diff)
drm/amdgpu: add PASID mapping for GMC v7
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/gpu/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/cik.h2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c2
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik.h b/drivers/gpu/drm/amd/amdgpu/cik.h
index 201d8786f9cb..e49c6f15a0a0 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik.h
+++ b/drivers/gpu/drm/amd/amdgpu/cik.h
@@ -24,7 +24,7 @@
#ifndef __CIK_H__
#define __CIK_H__
-#define CIK_FLUSH_GPU_TLB_NUM_WREG 2
+#define CIK_FLUSH_GPU_TLB_NUM_WREG 3
void cik_srbm_select(struct amdgpu_device *adev,
u32 me, u32 pipe, u32 queue, u32 vmid);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index cd2f834282fb..1137f395ed66 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -447,6 +447,8 @@ static uint64_t gmc_v7_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);