drm/i915: Plumb drm_device through page tables operations
authorMichel Thierry <michel.thierry@intel.com>
Tue, 24 Feb 2015 16:22:37 +0000 (16:22 +0000)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 25 Feb 2015 15:56:57 +0000 (16:56 +0100)
The next patch in the series will require it for alloc_pt_single.

v2: Rebased after s/page_tables/page_table/.

Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_gem_gtt.c

index 81c1dba37cb1bdd8e2804111800ebf52ff8708fd..e05488ea2aa3ca5b9003b12f3fe11c520592725a 100644 (file)
@@ -142,7 +142,6 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt)
                return has_aliasing_ppgtt ? 1 : 0;
 }
 
-
 static void ppgtt_bind_vma(struct i915_vma *vma,
                           enum i915_cache_level cache_level,
                           u32 flags);
@@ -279,7 +278,7 @@ static gen6_gtt_pte_t iris_pte_encode(dma_addr_t addr,
        return pte;
 }
 
-static void unmap_and_free_pt(struct i915_page_table_entry *pt)
+static void unmap_and_free_pt(struct i915_page_table_entry *pt, struct drm_device *dev)
 {
        if (WARN_ON(!pt->page))
                return;
@@ -287,7 +286,7 @@ static void unmap_and_free_pt(struct i915_page_table_entry *pt)
        kfree(pt);
 }
 
-static struct i915_page_table_entry *alloc_pt_single(void)
+static struct i915_page_table_entry *alloc_pt_single(struct drm_device *dev)
 {
        struct i915_page_table_entry *pt;
 
@@ -317,7 +316,9 @@ static struct i915_page_table_entry *alloc_pt_single(void)
  *
  * Return: 0 if allocation succeeded.
  */
-static int alloc_pt_range(struct i915_page_directory_entry *pd, uint16_t pde, size_t count)
+static int alloc_pt_range(struct i915_page_directory_entry *pd, uint16_t pde, size_t count,
+                 struct drm_device *dev)
+
 {
        int i, ret;
 
@@ -326,7 +327,7 @@ static int alloc_pt_range(struct i915_page_directory_entry *pd, uint16_t pde, si
                return -EINVAL;
 
        for (i = pde; i < pde + count; i++) {
-               struct i915_page_table_entry *pt = alloc_pt_single();
+               struct i915_page_table_entry *pt = alloc_pt_single(dev);
 
                if (IS_ERR(pt)) {
                        ret = PTR_ERR(pt);
@@ -342,7 +343,7 @@ static int alloc_pt_range(struct i915_page_directory_entry *pd, uint16_t pde, si
 
 err_out:
        while (i-- > pde)
-               unmap_and_free_pt(pd->page_table[i]);
+               unmap_and_free_pt(pd->page_table[i], dev);
        return ret;
 }
 
@@ -521,7 +522,7 @@ static void gen8_ppgtt_insert_entries(struct i915_address_space *vm,
        }
 }
 
-static void gen8_free_page_tables(struct i915_page_directory_entry *pd)
+static void gen8_free_page_tables(struct i915_page_directory_entry *pd, struct drm_device *dev)
 {
        int i;
 
@@ -532,7 +533,7 @@ static void gen8_free_page_tables(struct i915_page_directory_entry *pd)
                if (WARN_ON(!pd->page_table[i]))
                        continue;
 
-               unmap_and_free_pt(pd->page_table[i]);
+               unmap_and_free_pt(pd->page_table[i], dev);
                pd->page_table[i] = NULL;
        }
 }
@@ -545,7 +546,7 @@ static void gen8_ppgtt_free(struct i915_hw_ppgtt *ppgtt)
                if (WARN_ON(!ppgtt->pdp.page_directory[i]))
                        continue;
 
-               gen8_free_page_tables(ppgtt->pdp.page_directory[i]);
+               gen8_free_page_tables(ppgtt->pdp.page_directory[i], ppgtt->base.dev);
                unmap_and_free_pd(ppgtt->pdp.page_directory[i]);
        }
 }
@@ -597,7 +598,7 @@ static int gen8_ppgtt_allocate_page_tables(struct i915_hw_ppgtt *ppgtt)
 
        for (i = 0; i < ppgtt->num_pd_pages; i++) {
                ret = alloc_pt_range(ppgtt->pdp.page_directory[i],
-                                    0, GEN8_PDES_PER_PAGE);
+                                    0, GEN8_PDES_PER_PAGE, ppgtt->base.dev);
                if (ret)
                        goto unwind_out;
        }
@@ -606,7 +607,7 @@ static int gen8_ppgtt_allocate_page_tables(struct i915_hw_ppgtt *ppgtt)
 
 unwind_out:
        while (i--)
-               gen8_free_page_tables(ppgtt->pdp.page_directory[i]);
+               gen8_free_page_tables(ppgtt->pdp.page_directory[i], ppgtt->base.dev);
 
        return -ENOMEM;
 }
@@ -1087,7 +1088,7 @@ static void gen6_ppgtt_free(struct i915_hw_ppgtt *ppgtt)
        int i;
 
        for (i = 0; i < ppgtt->num_pd_entries; i++)
-               unmap_and_free_pt(ppgtt->pd.page_table[i]);
+               unmap_and_free_pt(ppgtt->pd.page_table[i], ppgtt->base.dev);
 
        unmap_and_free_pd(&ppgtt->pd);
 }
@@ -1152,7 +1153,9 @@ static int gen6_ppgtt_alloc(struct i915_hw_ppgtt *ppgtt)
        if (ret)
                return ret;
 
-       ret = alloc_pt_range(&ppgtt->pd, 0, ppgtt->num_pd_entries);
+       ret = alloc_pt_range(&ppgtt->pd, 0, ppgtt->num_pd_entries,
+                       ppgtt->base.dev);
+
        if (ret) {
                drm_mm_remove_node(&ppgtt->node);
                return ret;