[PATCH 13/73] drm/amdgpu/gfx10: inherit vmid from mqd

Alex Deucher alexander.deucher at amd.com
Fri Apr 29 17:45:24 UTC 2022


From: Jack Xiao <Jack.Xiao at amd.com>

For MES manages vmid assignment, let vmid inherit from mqd instead of
ib packet setting.

Signed-off-by: Jack Xiao <Jack.Xiao at amd.com>
Acked-by: Christian König <christian.koenig at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index e6e601296097..0d91632f563d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -8602,6 +8602,10 @@ static void gfx_v10_0_ring_emit_ib_gfx(struct amdgpu_ring *ring,
 				    (!amdgpu_sriov_vf(ring->adev) && flags & AMDGPU_IB_PREEMPTED) ? true : false);
 	}
 
+	if (ring->is_mes_queue)
+		/* inherit vmid from mqd */
+		control |= 0x400000;
+
 	amdgpu_ring_write(ring, header);
 	BUG_ON(ib->gpu_addr & 0x3); /* Dword align */
 	amdgpu_ring_write(ring,
@@ -8621,6 +8625,10 @@ static void gfx_v10_0_ring_emit_ib_compute(struct amdgpu_ring *ring,
 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 	u32 control = INDIRECT_BUFFER_VALID | ib->length_dw | (vmid << 24);
 
+	if (ring->is_mes_queue)
+		/* inherit vmid from mqd */
+		control |= 0x40000000;
+
 	/* Currently, there is a high possibility to get wave ID mismatch
 	 * between ME and GDS, leading to a hw deadlock, because ME generates
 	 * different wave IDs than the GDS expects. This situation happens
-- 
2.35.1



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