From a305e7dc5fa86ff9cf6cd2da30215a92d43c9285 Mon Sep 17 00:00:00 2001
From: "Tianci.Yin" <tianci.yin@amd.com>
Date: Thu, 22 Oct 2020 11:40:26 +0800
Subject: [PATCH] drm/amdgpu: disable DCN and VCN for navi10 blockchain SKU(v3)
Git-commit: a305e7dc5fa86ff9cf6cd2da30215a92d43c9285
Patch-mainline: v5.10-rc2
References: git-fixes

The blockchain SKU has no display and video support, remove them.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/amd/amdgpu/nv.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 1ce741a0c6a7..03462c857498 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -455,6 +455,14 @@ void nv_set_virt_ops(struct amdgpu_device *adev)
 	adev->virt.ops = &xgpu_nv_virt_ops;
 }
 
+static bool nv_is_blockchain_sku(struct pci_dev *pdev)
+{
+	if (pdev->device == 0x731E &&
+	    (pdev->revision == 0xC6 || pdev->revision == 0xC7))
+		return true;
+	return false;
+}
+
 int nv_set_ip_blocks(struct amdgpu_device *adev)
 {
 	int r;
@@ -483,7 +491,8 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
 #if defined(CONFIG_DRM_AMD_DC)
-		else if (amdgpu_device_has_dc_support(adev))
+		else if (amdgpu_device_has_dc_support(adev) &&
+			 !nv_is_blockchain_sku(adev->pdev))
 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
 #endif
 		amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block);
@@ -491,7 +500,8 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT &&
 		    !amdgpu_sriov_vf(adev))
 			amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
-		amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
+		if (!nv_is_blockchain_sku(adev->pdev))
+			amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
 		amdgpu_device_ip_block_add(adev, &jpeg_v2_0_ip_block);
 		if (adev->enable_mes)
 			amdgpu_device_ip_block_add(adev, &mes_v10_1_ip_block);
-- 
2.26.2