[Nouveau] [Bug 14393] Card detected as NV20 (endian issue?) With nv driver run first, fifo lockup on nv11ppc machine

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Sep 23 04:56:42 PDT 2009


http://bugs.freedesktop.org/show_bug.cgi?id=14393





--- Comment #7 from Pekka Paalanen <pq at iki.fi>  2009-09-23 04:56:41 PST ---
The code in current DRM still is:

#ifdef __BIG_ENDIAN
        /* Put the card in BE mode if it's not */
        if (nv_rd32(dev, NV03_PMC_BOOT_1))
                nv_wr32(dev, NV03_PMC_BOOT_1, 0x00000001);

        DRM_MEMORYBARRIER();
#endif

Does the patch change anything?
How does Nouveau currently work with and without the patch?

The patch may not apply as is, but you can easily do the equivalent change by
hand in drivers/gpu/drm/nouveau/nouveau_state.c in the nouveau/linux-2.6 kernel
tree, near line 540.


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