diff options
Diffstat (limited to 'drivers/gpu/drm/msm')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem_shrinker.c | 27 |
2 files changed, 12 insertions, 23 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index cd06cfd94687..d8bc59c7e261 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -225,16 +225,14 @@ int msm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) } /* We don't use vmf->pgoff since that has the fake offset: */ - pgoff = ((unsigned long)vmf->virtual_address - - vma->vm_start) >> PAGE_SHIFT; + pgoff = (vmf->address - vma->vm_start) >> PAGE_SHIFT; pfn = page_to_pfn(pages[pgoff]); - VERB("Inserting %p pfn %lx, pa %lx", vmf->virtual_address, + VERB("Inserting %p pfn %lx, pa %lx", (void *)vmf->address, pfn, pfn << PAGE_SHIFT); - ret = vm_insert_mixed(vma, (unsigned long)vmf->virtual_address, - __pfn_to_pfn_t(pfn, PFN_DEV)); + ret = vm_insert_mixed(vma, vmf->address, __pfn_to_pfn_t(pfn, PFN_DEV)); out_unlock: mutex_unlock(&dev->struct_mutex); diff --git a/drivers/gpu/drm/msm/msm_gem_shrinker.c b/drivers/gpu/drm/msm/msm_gem_shrinker.c index 192b2d3a79cb..ab1dd020eb04 100644 --- a/drivers/gpu/drm/msm/msm_gem_shrinker.c +++ b/drivers/gpu/drm/msm/msm_gem_shrinker.c @@ -18,33 +18,24 @@ #include "msm_drv.h" #include "msm_gem.h" -static bool mutex_is_locked_by(struct mutex *mutex, struct task_struct *task) +static bool msm_gem_shrinker_lock(struct drm_device *dev, bool *unlock) { - if (!mutex_is_locked(mutex)) + switch (mutex_trylock_recursive(&dev->struct_mutex)) { + case MUTEX_TRYLOCK_FAILED: return false; -#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_MUTEXES) - return mutex->owner == task; -#else - /* Since UP may be pre-empted, we cannot assume that we own the lock */ - return false; -#endif -} + case MUTEX_TRYLOCK_SUCCESS: + *unlock = true; + return true; -static bool msm_gem_shrinker_lock(struct drm_device *dev, bool *unlock) -{ - if (!mutex_trylock(&dev->struct_mutex)) { - if (!mutex_is_locked_by(&dev->struct_mutex, current)) - return false; + case MUTEX_TRYLOCK_RECURSIVE: *unlock = false; - } else { - *unlock = true; + return true; } - return true; + BUG(); } - static unsigned long msm_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc) { |