This is a note to let you know that I've just added the patch titled drm/amd/display: Pass PCI deviceid into DC to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amd-display-pass-pci-deviceid-into-dc.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From d942856865c733ff60450de9691af796ad71d7bc Mon Sep 17 00:00:00 2001 From: Charlene Liu <Charlene.Liu@xxxxxxx> Date: Mon, 20 Sep 2021 14:30:02 -0400 Subject: drm/amd/display: Pass PCI deviceid into DC From: Charlene Liu <Charlene.Liu@xxxxxxx> 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@xxxxxxx> Acked-by: Anson Jacob <Anson.Jacob@xxxxxxx> Signed-off-by: Charlene Liu <Charlene.Liu@xxxxxxx> Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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!!!! */ Patches currently in stable-queue which might be from Charlene.Liu@xxxxxxx are queue-4.19/drm-amd-display-pass-pci-deviceid-into-dc.patch