linux-kernel - [PATCH 4.19 61/95] drm/amd/display: Pass PCI deviceid into DC

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Date:   Mon,  4 Oct 2021 14:52:31 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Zhan Liu <Zhan.Liu@....com>,
        Anson Jacob <Anson.Jacob@....com>,
        Charlene Liu <Charlene.Liu@....com>,
        Daniel Wheeler <daniel.wheeler@....com>,
        Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 4.19 61/95] drm/amd/display: Pass PCI deviceid into DC

From: Charlene Liu <Charlene.Liu@....com>

commit d942856865c733ff60450de9691af796ad71d7bc upstream.

[why]
pci deviceid not passed to dal dc, without proper break,
dcn2.x falls into dcn3.x code path

[how]
pass in pci deviceid, and break once dal_version initialized.

Reviewed-by: Zhan Liu <Zhan.Liu@....com>
Acked-by: Anson Jacob <Anson.Jacob@....com>
Signed-off-by: Charlene Liu <Charlene.Liu@....com>
Tested-by: Daniel Wheeler <daniel.wheeler@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Cc: stable@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -412,6 +412,7 @@ static int amdgpu_dm_init(struct amdgpu_
 
 	init_data.asic_id.pci_revision_id = adev->rev_id;
 	init_data.asic_id.hw_internal_rev = adev->external_rev_id;
+	init_data.asic_id.chip_id = adev->pdev->device;
 
 	init_data.asic_id.vram_width = adev->gmc.vram_width;
 	/* TODO: initialize init_data.asic_id.vram_type here!!!! */