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| author | Ilia Mirkin <imirkin@alum.mit.edu> | 2014-03-26 19:37:21 -0400 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-05-02 16:24:52 +1000 |
| commit | a3d0b1218d351c6e6f3cea36abe22236a08cb246 (patch) | |
| tree | a430656643c44a3cf65be966d4625e2f41fdea24 /drivers/gpu/drm/nouveau/nouveau_acpi.c | |
| parent | 40189b0c6551359a9268c8d6f730914b28623817 (diff) | |
| download | linux-a3d0b1218d351c6e6f3cea36abe22236a08cb246.tar.gz linux-a3d0b1218d351c6e6f3cea36abe22236a08cb246.tar.bz2 linux-a3d0b1218d351c6e6f3cea36abe22236a08cb246.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_acpi.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_acpi.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 83face3f608f..279206997e5c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -389,9 +389,6 @@ bool nouveau_acpi_rom_supported(struct pci_dev *pdev) acpi_status status; acpi_handle dhandle, rom_handle; - if (!nouveau_dsm_priv.dsm_detected && !nouveau_dsm_priv.optimus_detected) - return false; - dhandle = ACPI_HANDLE(&pdev->dev); if (!dhandle) return false; |