patch #19, #20, #21 are Reviewed-by: Chunming Zhou <[email protected]>
On 2018年01月17日 03:40, Christian König wrote:
This way we can see the PASID in VM faults.
Signed-off-by: Christian König <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index f7bcfa53eff0..2efbecf486c5 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -33,6 +33,7 @@
#include "vega10_enum.h"
#include "mmhub/mmhub_1_0_offset.h"
#include "athub/athub_1_0_offset.h"
+#include "oss/osssys_4_0_offset.h"
#include "soc15.h"
#include "soc15_common.h"
@@ -369,10 +370,12 @@ static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct
amdgpu_ring *ring,
unsigned vmid, unsigned pasid,
uint64_t pd_addr)
{
- struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
+ struct amdgpu_device *adev = ring->adev;
+ struct amdgpu_vmhub *hub = &adev->vmhub[ring->funcs->vmhub];
uint32_t req = gmc_v9_0_get_invalidate_req(vmid);
uint64_t flags = AMDGPU_PTE_VALID;
unsigned eng = ring->vm_inv_eng;
+ uint32_t reg;
amdgpu_gmc_get_vm_pde(ring->adev, -1, &pd_addr, &flags);
pd_addr |= flags;
@@ -383,6 +386,13 @@ static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct
amdgpu_ring *ring,
amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + (2 * vmid),
upper_32_bits(pd_addr));
+ if (ring->funcs->vmhub == AMDGPU_GFXHUB)
+ reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid;
+ else
+ reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid;
+
+ amdgpu_ring_emit_wreg(ring, reg, pasid);
+
amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_req + eng, req);
return pd_addr;
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