The code between #if and #endif is only about UMA mode. The CONFIG_GFXUMA should be 1.
We have another mode called side port mode. It is When the CONFIG_GFXUMA is 0. Signed-off-by: Zheng Bao <zheng.bao@amd.com> Acked-by: Myles Watson <mylesgw@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4525 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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@ -418,7 +418,7 @@ void x86_setup_var_mtrrs(unsigned address_bits)
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search_global_resources(
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IORESOURCE_MEM | IORESOURCE_CACHEABLE, IORESOURCE_MEM | IORESOURCE_CACHEABLE,
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set_var_mtrr_resource, &var_state);
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#ifdef CONFIG_GFXUMA
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#if (CONFIG_GFXUMA == 1) /* UMA or SP. */
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// For now we assume the UMA space is at the end of memory
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if (var_state.hole_startk || var_state.hole_sizek) {
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printk_debug("Warning: Can't set up MTRR hole for UMA due to pre-existing MTRR hole.\n");
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