From: Jack Xiao <Jack.Xiao@amd.com>
Date: Fri, 20 Mar 2020 06:11:04 +0000 (+0800)
Subject: drm/amdgpu/gmc10: skip emitting pasid mapping packet
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=564434020a19810f57708feaacd07ad34ae7a8e3;p=linux.git

drm/amdgpu/gmc10: skip emitting pasid mapping packet

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

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 487c33937a876..9b4a035a5bf1e 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