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nouveau: don't touch PMC_BOOT_1 on x86, it seems to be undefined on some early cards.

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This commit is contained in:
Stephane Marchesin 2007-10-28 01:59:11 +02:00
parent 1e2a2babab
commit cc745fcc3a
1 changed files with 4 additions and 0 deletions
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4
shared-core/nouveau_state.c
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@ -283,11 +283,13 @@ nouveau_card_init(struct drm_device *dev)
ret = nouveau_init_card_mappings(dev);
if (ret) return ret;
#if defined(__powerpc__)
/* Put the card in BE mode if it's not */
if (NV_READ(NV03_PMC_BOOT_1))
NV_WRITE(NV03_PMC_BOOT_1,0x00000001);
DRM_MEMORYBARRIER();
#endif
/* Determine exact chipset we're running on */
if (dev_priv->card_type < NV_10)
@ -431,8 +433,10 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
reg0 = readl(regs+NV03_PMC_BOOT_0);
reg1 = readl(regs+NV03_PMC_BOOT_1);
#if defined(__powerpc__)
if (reg1)
reg0=___swab32(reg0);
#endif
/* We're dealing with >=NV10 */
if ((reg0 & 0x0f000000) > 0 ) {