On Die, 2012-06-19 at 14:50 +0800, Huacai Chen wrote: > 1, Use 32-bit DMA as a workaround (Loongson has a hardware bug that it > doesn't support DMA address above 4GB). > 2, Read vga bios offered by system firmware. > 3, Handle io prot correctly for MIPS. > 4, Don't use swiotlb on Loongson machines (when use swiotlb, GPU reset > occurs at resume from suspend). Sounds like this should be split up into smaller patches. > diff --git a/include/drm/drm_sarea.h b/include/drm/drm_sarea.h > index ee5389d..1d1a858 100644 > --- a/include/drm/drm_sarea.h > +++ b/include/drm/drm_sarea.h > @@ -37,6 +37,8 @@ > /* SAREA area needs to be at least a page */ > #if defined(__alpha__) > #define SAREA_MAX 0x2000U > +#elif defined(__mips__) > +#define SAREA_MAX 0x4000U > #elif defined(__ia64__) > #define SAREA_MAX 0x10000U /* 64kB */ > #else Also, this change doesn't seem to be accounted for in the commit log. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Debian, X and DRI developer
