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path: root/drivers/gpu/drm/gma500/mmu.c
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Diffstat (limited to 'drivers/gpu/drm/gma500/mmu.c')
-rw-r--r--drivers/gpu/drm/gma500/mmu.c43
1 files changed, 17 insertions, 26 deletions
diff --git a/drivers/gpu/drm/gma500/mmu.c b/drivers/gpu/drm/gma500/mmu.c
index c904d73b1de3..49bac41beefb 100644
--- a/drivers/gpu/drm/gma500/mmu.c
+++ b/drivers/gpu/drm/gma500/mmu.c
@@ -125,14 +125,14 @@ static void psb_page_clflush(struct psb_mmu_driver *driver, struct page* page)
int i;
uint8_t *clf;
- clf = kmap_atomic(page, KM_USER0);
+ clf = kmap_atomic(page);
mb();
for (i = 0; i < clflush_count; ++i) {
psb_clflush(clf);
clf += clflush_add;
}
mb();
- kunmap_atomic(clf, KM_USER0);
+ kunmap_atomic(clf);
}
static void psb_pages_clflush(struct psb_mmu_driver *driver,
@@ -270,7 +270,7 @@ out_err1:
return NULL;
}
-void psb_mmu_free_pt(struct psb_mmu_pt *pt)
+static void psb_mmu_free_pt(struct psb_mmu_pt *pt)
{
__free_page(pt->p);
kfree(pt);
@@ -325,7 +325,7 @@ static struct psb_mmu_pt *psb_mmu_alloc_pt(struct psb_mmu_pd *pd)
spin_lock(lock);
- v = kmap_atomic(pt->p, KM_USER0);
+ v = kmap_atomic(pt->p);
clf = (uint8_t *) v;
ptes = (uint32_t *) v;
for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
@@ -341,7 +341,7 @@ static struct psb_mmu_pt *psb_mmu_alloc_pt(struct psb_mmu_pd *pd)
mb();
}
- kunmap_atomic(v, KM_USER0);
+ kunmap_atomic(v);
spin_unlock(lock);
pt->count = 0;
@@ -351,7 +351,7 @@ static struct psb_mmu_pt *psb_mmu_alloc_pt(struct psb_mmu_pd *pd)
return pt;
}
-struct psb_mmu_pt *psb_mmu_pt_alloc_map_lock(struct psb_mmu_pd *pd,
+static struct psb_mmu_pt *psb_mmu_pt_alloc_map_lock(struct psb_mmu_pd *pd,
unsigned long addr)
{
uint32_t index = psb_mmu_pd_index(addr);
@@ -376,18 +376,18 @@ struct psb_mmu_pt *psb_mmu_pt_alloc_map_lock(struct psb_mmu_pd *pd,
continue;
}
- v = kmap_atomic(pd->p, KM_USER0);
+ v = kmap_atomic(pd->p);
pd->tables[index] = pt;
v[index] = (page_to_pfn(pt->p) << 12) | pd->pd_mask;
pt->index = index;
- kunmap_atomic((void *) v, KM_USER0);
+ kunmap_atomic((void *) v);
if (pd->hw_context != -1) {
psb_mmu_clflush(pd->driver, (void *) &v[index]);
atomic_set(&pd->driver->needs_tlbflush, 1);
}
}
- pt->v = kmap_atomic(pt->p, KM_USER0);
+ pt->v = kmap_atomic(pt->p);
return pt;
}
@@ -404,7 +404,7 @@ static struct psb_mmu_pt *psb_mmu_pt_map_lock(struct psb_mmu_pd *pd,
spin_unlock(lock);
return NULL;
}
- pt->v = kmap_atomic(pt->p, KM_USER0);
+ pt->v = kmap_atomic(pt->p);
return pt;
}
@@ -413,9 +413,9 @@ static void psb_mmu_pt_unmap_unlock(struct psb_mmu_pt *pt)
struct psb_mmu_pd *pd = pt->pd;
uint32_t *v;
- kunmap_atomic(pt->v, KM_USER0);
+ kunmap_atomic(pt->v);
if (pt->count == 0) {
- v = kmap_atomic(pd->p, KM_USER0);
+ v = kmap_atomic(pd->p);
v[pt->index] = pd->invalid_pde;
pd->tables[pt->index] = NULL;
@@ -424,7 +424,7 @@ static void psb_mmu_pt_unmap_unlock(struct psb_mmu_pt *pt)
(void *) &v[pt->index]);
atomic_set(&pd->driver->needs_tlbflush, 1);
}
- kunmap_atomic(pt->v, KM_USER0);
+ kunmap_atomic(pt->v);
spin_unlock(&pd->driver->lock);
psb_mmu_free_pt(pt);
return;
@@ -457,7 +457,7 @@ void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd,
down_read(&driver->sem);
spin_lock(&driver->lock);
- v = kmap_atomic(pd->p, KM_USER0);
+ v = kmap_atomic(pd->p);
v += start;
while (gtt_pages--) {
@@ -467,7 +467,7 @@ void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd,
/*ttm_tt_cache_flush(&pd->p, num_pages);*/
psb_pages_clflush(pd->driver, &pd->p, num_pages);
- kunmap_atomic(v, KM_USER0);
+ kunmap_atomic(v);
spin_unlock(&driver->lock);
if (pd->hw_context != -1)
@@ -488,15 +488,6 @@ struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver *driver)
return pd;
}
-/* Returns the physical address of the PD shared by sgx/msvdx */
-uint32_t psb_get_default_pd_addr(struct psb_mmu_driver *driver)
-{
- struct psb_mmu_pd *pd;
-
- pd = psb_mmu_get_default_pd(driver);
- return page_to_pfn(pd->p) << PAGE_SHIFT;
-}
-
void psb_mmu_driver_takedown(struct psb_mmu_driver *driver)
{
psb_mmu_free_pagedir(driver->default_pd);
@@ -830,9 +821,9 @@ int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual,
uint32_t *v;
spin_lock(lock);
- v = kmap_atomic(pd->p, KM_USER0);
+ v = kmap_atomic(pd->p);
tmp = v[psb_mmu_pd_index(virtual)];
- kunmap_atomic(v, KM_USER0);
+ kunmap_atomic(v);
spin_unlock(lock);
if (tmp != pd->invalid_pde || !(tmp & PSB_PTE_VALID) ||