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drm/nouveau/mxm: pretend to succeed, even if we can't shadow the MXM-SIS

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There's at least one known case where our shadowing code is buggy, and we
fail init.  Until we can be confident we're doing all this correctly, lets
succeed and risk crazy bios tables rather than failing for perfectly valid
configs too.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2012-02-01 15:08:59 +10:00
parent 7df898b1a7
commit ce2e7895fa
1 changed files with 9 additions and 0 deletions
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9
drivers/gpu/drm/nouveau/nouveau_mxm.c
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@ -656,7 +656,16 @@ nouveau_mxm_init(struct drm_device *dev)
if (mxm_shadow(dev, mxm[0])) {
MXM_MSG(dev, "failed to locate valid SIS\n");
#if 0
/* we should, perhaps, fall back to some kind of limited
* mode here if the x86 vbios hasn't already done the
* work for us (so we prevent loading with completely
* whacked vbios tables).
*/
return -EINVAL;
#else
return 0;
#endif
}
MXM_MSG(dev, "MXMS Version %d.%d\n",