diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/mmu.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/mmu.c | 43 |
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) || |