From: Dave Airlie <airlied@panoply-rh.(none)>
Date: Wed, 5 Mar 2008 00:37:02 +0000 (+1000)
Subject: Merge remote branch 'origin/master' into modesetting-101
X-Git-Tag: submit/1.0/20121108.012404~642^2~234^2~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=43891ff2d0176f013796b3c2a340b7d379d703ee;p=profile%2Fivi%2Flibdrm.git

Merge remote branch 'origin/master' into modesetting-101

Conflicts:

	linux-core/drm_compat.c
---

43891ff2d0176f013796b3c2a340b7d379d703ee
diff --cc linux-core/drm_compat.c
index e95269e,d4044cb..b7b8e39
--- a/linux-core/drm_compat.c
+++ b/linux-core/drm_compat.c
@@@ -730,52 -730,33 +730,81 @@@ void *idr_replace(struct idr *idp, voi
  EXPORT_SYMBOL(idr_replace);
  #endif
  
 +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
 +static __inline__ unsigned long __round_jiffies(unsigned long j, int cpu)
 +{
 +	int rem;
 +	unsigned long original = j;
 +
 +	j += cpu * 3;
 +
 +	rem = j % HZ;
 +
 +	if (rem < HZ/4) /* round down */
 +		j = j - rem;
 +	else /* round up */
 +		j = j - rem + HZ;
 +
 +	/* now that we have rounded, subtract the extra skew again */
 +	j -= cpu * 3;
 +
 +	if (j <= jiffies) /* rounding ate our timeout entirely; */
 +		return original;
 +	return j;
 +}
 +
 +static __inline__ unsigned long __round_jiffies_relative(unsigned long j, int cpu)
 +{
 +	return  __round_jiffies(j + jiffies, cpu) - jiffies;
 +}
 +
 +unsigned long round_jiffies_relative(unsigned long j)
 +{
 +	return __round_jiffies_relative(j, raw_smp_processor_id());
 +}
 +EXPORT_SYMBOL(round_jiffies_relative);
 +#endif
 +
 +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
 +struct pci_dev * pci_get_bus_and_slot(unsigned int bus, unsigned int devfn)
 +{
 +    struct pci_dev *dev = NULL;
 +
 +    while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
 +        if (pci_domain_nr(dev->bus) == 0 &&
 +           (dev->bus->number == bus && dev->devfn == devfn))
 +            return dev;
 +   }
 +   return NULL;
 +}
 +EXPORT_SYMBOL(pci_get_bus_and_slot);
 +#endif
++
+ #if defined(DRM_KMAP_ATOMIC_PROT_PFN) && defined(CONFIG_HIMEM)
+ #define drm_kmap_get_fixmap_pte(vaddr)					\
+ 	pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), vaddr), (vaddr)), (vaddr))
+ 
+ void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type,
+ 			   pgprot_t protection)
+ {
+ 	enum fixed_addresses idx;
+ 	unsigned long vaddr;
+ 	static pte_t *km_pte;
+ 	static int initialized = 0;
+ 
+ 	if (unlikely(!initialized)) {
+ 		km_pte = drm_kmap_get_fixmap_pte(__fix_to_virt(FIX_KMAP_BEGIN));
+ 		initialized = 1;
+ 	}
+ 
+ 	pagefault_disable();
+ 	idx = type + KM_TYPE_NR*smp_processor_id();
+ 	vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
+ 	set_pte(km_pte-idx, pfn_pte(pfn, protection));
+ 
+ 	return (void*) vaddr;
+ }
+ 
+ EXPORT_SYMBOL(kmap_atomic_prot_pfn);
+ 
 -#endif
 -
+ 
diff --cc linux-core/drm_compat.h
index f5f0601,136a729..86f1159
--- a/linux-core/drm_compat.h
+++ b/linux-core/drm_compat.h
@@@ -332,15 -325,12 +332,20 @@@ void *idr_replace(struct idr *idp, voi
  #endif
  
  #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
 -typedef _Bool                   bool;
 +extern unsigned long round_jiffies_relative(unsigned long j);
 +#endif
 +
 +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
 +extern struct pci_dev * pci_get_bus_and_slot(unsigned int bus, unsigned int devfn);
 +#endif
 +
 +#ifndef PM_EVENT_PRETHAW 
 +#define PM_EVENT_PRETHAW 3
  #endif
  
+ #if (defined(CONFIG_X86) && defined(CONFIG_X86_32) && defined(CONFIG_HIMEM))
+ #define DRM_KMAP_ATOMIC_PROT_PFN
+ extern void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type,
+ 				  pgprot_t protection);
+ #endif
  #endif