Revert "drm/ttm: Add a flag to allow drivers to skip clear-on-free"
Remove TTM_TT_FLAG_CLEARED_ON_FREE now that XE stopped using this
flag.
This reverts commit decbfaf06d
.
Cc: Christian König <christian.koenig@amd.com>
Cc: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240828083635.23601-2-nirmoy.das@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
parent
7546a8201b
commit
789e51597d
@ -222,18 +222,15 @@ static void ttm_pool_unmap(struct ttm_pool *pool, dma_addr_t dma_addr,
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}
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/* Give pages into a specific pool_type */
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static void ttm_pool_type_give(struct ttm_pool_type *pt, struct page *p,
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bool cleared)
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static void ttm_pool_type_give(struct ttm_pool_type *pt, struct page *p)
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{
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unsigned int i, num_pages = 1 << pt->order;
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if (!cleared) {
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for (i = 0; i < num_pages; ++i) {
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if (PageHighMem(p))
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clear_highpage(p + i);
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else
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clear_page(page_address(p + i));
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}
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for (i = 0; i < num_pages; ++i) {
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if (PageHighMem(p))
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clear_highpage(p + i);
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else
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clear_page(page_address(p + i));
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}
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spin_lock(&pt->lock);
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@ -397,7 +394,6 @@ static void ttm_pool_free_range(struct ttm_pool *pool, struct ttm_tt *tt,
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pgoff_t start_page, pgoff_t end_page)
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{
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struct page **pages = &tt->pages[start_page];
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bool cleared = tt->page_flags & TTM_TT_FLAG_CLEARED_ON_FREE;
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unsigned int order;
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pgoff_t i, nr;
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@ -411,7 +407,7 @@ static void ttm_pool_free_range(struct ttm_pool *pool, struct ttm_tt *tt,
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pt = ttm_pool_select_type(pool, caching, order);
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if (pt)
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ttm_pool_type_give(pt, *pages, cleared);
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ttm_pool_type_give(pt, *pages);
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else
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ttm_pool_free_page(pool, caching, order, *pages);
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}
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@ -85,9 +85,6 @@ struct ttm_tt {
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* fault handling abuses the DMA api a bit and dma_map_attrs can't be
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* used to assure pgprot always matches.
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*
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* TTM_TT_FLAG_CLEARED_ON_FREE: Set this if a drm driver handles
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* clearing backing store
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*
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* TTM_TT_FLAG_PRIV_POPULATED: TTM internal only. DO NOT USE. This is
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* set by TTM after ttm_tt_populate() has successfully returned, and is
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* then unset when TTM calls ttm_tt_unpopulate().
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@ -97,9 +94,8 @@ struct ttm_tt {
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#define TTM_TT_FLAG_EXTERNAL BIT(2)
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#define TTM_TT_FLAG_EXTERNAL_MAPPABLE BIT(3)
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#define TTM_TT_FLAG_DECRYPTED BIT(4)
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#define TTM_TT_FLAG_CLEARED_ON_FREE BIT(5)
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#define TTM_TT_FLAG_PRIV_POPULATED BIT(6)
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#define TTM_TT_FLAG_PRIV_POPULATED BIT(5)
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uint32_t page_flags;
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/** @num_pages: Number of pages in the page array. */
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uint32_t num_pages;
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