drm/nouveau/acpi: allow non-optimus setups to load vbios from acpi
There appear to be a crop of new hardware where the vbios is not available from PROM/PRAMIN, but there is a valid _ROM method in ACPI. The data read from PCIROM almost invariably contains invalid instructions (still has the x86 opcodes), which makes this a low-risk way to try to obtain a valid vbios image. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=76475 Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Cc: <stable@vger.kernel.org> # v2.6.35+ Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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@ -389,9 +389,6 @@ bool nouveau_acpi_rom_supported(struct pci_dev *pdev)
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acpi_status status;
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acpi_status status;
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acpi_handle dhandle, rom_handle;
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acpi_handle dhandle, rom_handle;
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if (!nouveau_dsm_priv.dsm_detected && !nouveau_dsm_priv.optimus_detected)
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return false;
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dhandle = ACPI_HANDLE(&pdev->dev);
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dhandle = ACPI_HANDLE(&pdev->dev);
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if (!dhandle)
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if (!dhandle)
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return false;
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return false;
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