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From cf69f01a88d47c3c48be459c0191d570870c7801 Mon Sep 17 00:00:00 2001
From: Tim Huang <tim.huang@amd.com>
Date: Thu, 27 Jan 2022 10:48:41 +0800
Subject: drm/amd/display: Fix unused variable warning
Git-commit: 7367540b26214ba5f7236e0f212fd60ec6d07c3f
Patch-mainline: v5.18-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

[Why]
It will build failed with unused variable 'dc' with
'-Werror=unused-variable'enabled when CONFIG_DRM_AMD_DC_DCN
is not defined.

Signed-off-by: Tim Huang <tim.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 777627786478..cd29432a5555 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1027,7 +1027,6 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
 	const unsigned char *fw_inst_const, *fw_bss_data;
 	uint32_t i, fw_inst_const_size, fw_bss_data_size;
 	bool has_hw_support;
-	struct dc *dc = adev->dm.dc;
 
 	if (!dmub_srv)
 		/* DMUB isn't supported on the ASIC. */
@@ -1123,7 +1122,7 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
 	case IP_VERSION(3, 1, 3): /* Only for this asic hw internal rev B0 */
 		hw_params.dpia_supported = true;
 #if defined(CONFIG_DRM_AMD_DC_DCN)
-		hw_params.disable_dpia = dc->debug.dpia_debug.bits.disable_dpia;
+		hw_params.disable_dpia = adev->dm.dc->debug.dpia_debug.bits.disable_dpia;
 #endif
 		break;
 	default:
-- 
2.38.1