diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
| commit | e5fd91f1ef340da553f7a79da9540c3db711c937 (patch) | |
| tree | b11842027dc6641da63f4bcc524f8678263304a3 /drivers/gpu/drm/ttm | |
| parent | 2a9b0348e685a63d97486f6749622b61e9e3292f (diff) | |
Linux-libre 4.2-gnu
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 | 22 | ||||
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_tt.c | 2 |
3 files changed, 15 insertions, 12 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 882cccdad..ac6fe40b9 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 01e1d27eb..624d941aa 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c @@ -342,9 +342,12 @@ static struct dma_page *__ttm_dma_alloc_page(struct dma_pool *pool) d_page->vaddr = dma_alloc_coherent(pool->dev, pool->size, &d_page->dma, pool->gfp_flags); - if (d_page->vaddr) - d_page->p = virt_to_page(d_page->vaddr); - else { + if (d_page->vaddr) { + if (is_vmalloc_addr(d_page->vaddr)) + d_page->p = vmalloc_to_page(d_page->vaddr); + else + d_page->p = virt_to_page(d_page->vaddr); + } else { kfree(d_page); d_page = NULL; } @@ -960,14 +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); diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 1179f6bf9..bf080abc8 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -339,7 +339,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage) if (!persistent_swap_storage) { swap_storage = shmem_file_setup("ttm swap", ttm->num_pages << PAGE_SHIFT, - 0, 0); + 0); if (unlikely(IS_ERR(swap_storage))) { pr_err("Failed allocating swap storage\n"); return PTR_ERR(swap_storage); |