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path: root/drivers/gpu/drm/i915/i915_irq.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index d6010135e404..dd49046bccd1 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -888,20 +888,20 @@ i915_error_object_create(struct drm_i915_private *dev_priv,
struct drm_i915_gem_object *src)
{
struct drm_i915_error_object *dst;
- int page, page_count;
+ int i, count;
u32 reloc_offset;
if (src == NULL || src->pages == NULL)
return NULL;
- page_count = src->base.size / PAGE_SIZE;
+ count = src->base.size / PAGE_SIZE;
- dst = kmalloc(sizeof(*dst) + page_count * sizeof(u32 *), GFP_ATOMIC);
+ dst = kmalloc(sizeof(*dst) + count * sizeof(u32 *), GFP_ATOMIC);
if (dst == NULL)
return NULL;
reloc_offset = src->gtt_offset;
- for (page = 0; page < page_count; page++) {
+ for (i = 0; i < count; i++) {
unsigned long flags;
void *d;
@@ -924,30 +924,33 @@ i915_error_object_create(struct drm_i915_private *dev_priv,
memcpy_fromio(d, s, PAGE_SIZE);
io_mapping_unmap_atomic(s);
} else {
+ struct page *page;
void *s;
- drm_clflush_pages(&src->pages[page], 1);
+ page = i915_gem_object_get_page(src, i);
+
+ drm_clflush_pages(&page, 1);
- s = kmap_atomic(src->pages[page]);
+ s = kmap_atomic(page);
memcpy(d, s, PAGE_SIZE);
kunmap_atomic(s);
- drm_clflush_pages(&src->pages[page], 1);
+ drm_clflush_pages(&page, 1);
}
local_irq_restore(flags);
- dst->pages[page] = d;
+ dst->pages[i] = d;
reloc_offset += PAGE_SIZE;
}
- dst->page_count = page_count;
+ dst->page_count = count;
dst->gtt_offset = src->gtt_offset;
return dst;
unwind:
- while (page--)
- kfree(dst->pages[page]);
+ while (i--)
+ kfree(dst->pages[i]);
kfree(dst);
return NULL;
}