[PATCH 13/21] drm/amdgpu: add PASID mapping for GFX v8
Christian König
ckoenig.leichtzumerken at gmail.com
Wed Jan 10 12:54:16 UTC 2018
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/gfx_v8_0.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 4d1f9404d17e..70c517b5d012 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -6347,6 +6347,14 @@ static void gfx_v8_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, pd_addr >> 12);
+ amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
+ amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) |
+ WRITE_DATA_DST_SEL(0)) |
+ WR_CONFIRM);
+ amdgpu_ring_write(ring, mmIH_VMID_0_LUT + vmid);
+ amdgpu_ring_write(ring, 0);
+ amdgpu_ring_write(ring, pasid);
+
/* bits 0-15 are the VM contexts0-15 */
/* invalidate the cache */
amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
@@ -6872,7 +6880,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_gfx = {
.emit_frame_size = /* maximum 215dw if count 16 IBs in */
5 + /* COND_EXEC */
7 + /* PIPELINE_SYNC */
- 19 + /* VM_FLUSH */
+ 24 + /* VM_FLUSH */
8 + /* FENCE for VM_FLUSH */
20 + /* GDS switch */
4 + /* double SWITCH_BUFFER,
@@ -6918,7 +6926,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = {
7 + /* gfx_v8_0_ring_emit_hdp_flush */
5 + /* gfx_v8_0_ring_emit_hdp_invalidate */
7 + /* gfx_v8_0_ring_emit_pipeline_sync */
- 17 + /* gfx_v8_0_ring_emit_vm_flush */
+ 22 + /* gfx_v8_0_ring_emit_vm_flush */
7 + 7 + 7, /* gfx_v8_0_ring_emit_fence_compute x3 for user fence, vm fence */
.emit_ib_size = 4, /* gfx_v8_0_ring_emit_ib_compute */
.emit_ib = gfx_v8_0_ring_emit_ib_compute,
@@ -6948,7 +6956,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_kiq = {
7 + /* gfx_v8_0_ring_emit_hdp_flush */
5 + /* gfx_v8_0_ring_emit_hdp_invalidate */
7 + /* gfx_v8_0_ring_emit_pipeline_sync */
- 17 + /* gfx_v8_0_ring_emit_vm_flush */
+ 22 + /* gfx_v8_0_ring_emit_vm_flush */
7 + 7 + 7, /* gfx_v8_0_ring_emit_fence_kiq x3 for user fence, vm fence */
.emit_ib_size = 4, /* gfx_v8_0_ring_emit_ib_compute */
.emit_ib = gfx_v8_0_ring_emit_ib_compute,
--
2.14.1
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