diff options
Diffstat (limited to 'drivers/gpu/drm/ttm')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_util.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_page_alloc_dma.c | 13 |
2 files changed, 8 insertions, 8 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 882cccdad272..ac6fe40b99f7 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -490,7 +490,8 @@ pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp) else if (boot_cpu_data.x86 > 3) tmp = pgprot_noncached(tmp); #endif -#if defined(__ia64__) || defined(__arm__) || defined(__powerpc__) +#if defined(__ia64__) || defined(__arm__) || defined(__aarch64__) || \ + defined(__powerpc__) if (caching_flags & TTM_PL_FLAG_WC) tmp = pgprot_writecombine(tmp); else diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c index 3077f1554099..624d941aaad1 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c @@ -963,14 +963,13 @@ void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev) } else { pool->npages_free += count; list_splice(&ttm_dma->pages_list, &pool->free_list); - npages = count; - if (pool->npages_free > _manager->options.max_size) { + /* + * Wait to have at at least NUM_PAGES_TO_ALLOC number of pages + * to free in order to minimize calls to set_memory_wb(). + */ + if (pool->npages_free >= (_manager->options.max_size + + NUM_PAGES_TO_ALLOC)) npages = pool->npages_free - _manager->options.max_size; - /* free at least NUM_PAGES_TO_ALLOC number of pages - * to reduce calls to set_memory_wb */ - if (npages < NUM_PAGES_TO_ALLOC) - npages = NUM_PAGES_TO_ALLOC; - } } spin_unlock_irqrestore(&pool->lock, irq_flags); |
