[PATCH 15/73] drm/amdgpu/gmc10: skip emitting pasid mapping packet

[Alex Deucher]

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

For MES FW manages IH_VMID_x_LUT updating, skip emitting pasid
mapping packet.

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/gmc_v10_0.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 487c33937a87..9b4a035a5bf1 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -517,6 +517,10 @@ static void gmc_v10_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid
 	struct amdgpu_device *adev = ring->adev;
 	uint32_t reg;
 
+	/* MES fw manages IH_VMID_x_LUT updating */
+	if (ring->is_mes_queue)
+		return;
+
 	if (ring->funcs->vmhub == AMDGPU_GFXHUB_0)
 		reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid;
 	else
-- 
2.35.1