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    Subject[PATCH 5.15 138/230] drm/amdgpu: bind to any 0x1002 PCI diplay class device
    Date
    From: Alex Deucher <alexander.deucher@amd.com>

    [ Upstream commit eb4fd29afd4aa1c98d882800ceeee7d1f5262803 ]

    Bind to all 0x1002 GPU devices.

    For now we explicitly return -ENODEV for generic bindings.
    Remove this check once IP discovery based checking is in place.

    v2: rebase (Alex)

    Reviewed-by: Christian König <christian.koenig@amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 15 +++++++++++++++
    1 file changed, 15 insertions(+)

    diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
    index f65b4b233ffb..c294081022bd 100644
    --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
    +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
    @@ -1952,6 +1952,16 @@ static const struct pci_device_id pciidlist[] = {
    {0x1002, 0x7424, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BEIGE_GOBY},
    {0x1002, 0x743F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BEIGE_GOBY},

    + { PCI_DEVICE(0x1002, PCI_ANY_ID),
    + .class = PCI_CLASS_DISPLAY_VGA << 8,
    + .class_mask = 0xffffff,
    + .driver_data = 0 },
    +
    + { PCI_DEVICE(0x1002, PCI_ANY_ID),
    + .class = PCI_CLASS_DISPLAY_OTHER << 8,
    + .class_mask = 0xffffff,
    + .driver_data = 0 },
    +
    {0, 0, 0}
    };

    @@ -1999,6 +2009,11 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
    return -ENODEV;
    }

    + if (flags == 0) {
    + DRM_INFO("Unsupported asic. Remove me when IP discovery init is in place.\n");
    + return -ENODEV;
    + }
    +
    if (amdgpu_virtual_display ||
    amdgpu_device_asic_has_dc_support(flags & AMD_ASIC_MASK))
    supports_atomic = true;
    --
    2.35.1


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