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author | Patrik Jakobsson <patrik.r.jakobsson@gmail.com> | 2014-01-04 22:35:20 +0400 |
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committer | Patrik Jakobsson <patrik.r.jakobsson@gmail.com> | 2014-03-17 23:11:48 +0400 |
commit | ac1b01b0baff00a7576fd98401b728c84aae7210 (patch) | |
tree | 408761f5b47d9cc70a401782fc70d4325d1b4e94 /drivers/gpu/drm/gma500/mmu.c | |
parent | 64a4aff283ac838b92a8a73c99c71af2c8bff956 (diff) | |
download | linux-ac1b01b0baff00a7576fd98401b728c84aae7210.tar.xz |
drm/gma500: Give MMU code it's own header file
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/gma500/mmu.c')
-rw-r--r-- | drivers/gpu/drm/gma500/mmu.c | 45 |
1 files changed, 1 insertions, 44 deletions
diff --git a/drivers/gpu/drm/gma500/mmu.c b/drivers/gpu/drm/gma500/mmu.c index 0bfc9f7b343b..3e14a9b35252 100644 --- a/drivers/gpu/drm/gma500/mmu.c +++ b/drivers/gpu/drm/gma500/mmu.c @@ -18,6 +18,7 @@ #include <drm/drmP.h> #include "psb_drv.h" #include "psb_reg.h" +#include "mmu.h" /* * Code for the SGX MMU: @@ -47,50 +48,6 @@ * but on average it should be fast. */ -struct psb_mmu_driver { - /* protects driver- and pd structures. Always take in read mode - * before taking the page table spinlock. - */ - struct rw_semaphore sem; - - /* protects page tables, directory tables and pt tables. - * and pt structures. - */ - spinlock_t lock; - - atomic_t needs_tlbflush; - atomic_t *msvdx_mmu_invaldc; - struct psb_mmu_pd *default_pd; - uint32_t bif_ctrl; - int has_clflush; - int clflush_add; - unsigned long clflush_mask; - - struct drm_device *dev; -}; - -struct psb_mmu_pd; - -struct psb_mmu_pt { - struct psb_mmu_pd *pd; - uint32_t index; - uint32_t count; - struct page *p; - uint32_t *v; -}; - -struct psb_mmu_pd { - struct psb_mmu_driver *driver; - int hw_context; - struct psb_mmu_pt **tables; - struct page *p; - struct page *dummy_pt; - struct page *dummy_page; - uint32_t pd_mask; - uint32_t invalid_pde; - uint32_t invalid_pte; -}; - static inline uint32_t psb_mmu_pt_index(uint32_t offset) { return (offset >> PSB_PTE_SHIFT) & 0x3FF; |