[Intel-gfx] [PATCH 3/7] drm/i915: use the memcpy_from_wc call from the drm
Balasubramani Vivekanandan
balasubramani.vivekanandan at intel.com
Tue Feb 22 14:52:02 UTC 2022
memcpy_from_wc functions in i915_memcpy.c will be removed and replaced
by the implementation in drm_cache.c.
Updated to use the functions provided by drm_cache.c.
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan at intel.com>
---
drivers/gpu/drm/i915/gem/i915_gem_object.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 2d593d573ef1..49ff8e3e71d9 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -449,16 +449,16 @@ static void
i915_gem_object_read_from_page_iomap(struct drm_i915_gem_object *obj, u64 offset, void *dst, int size)
{
void __iomem *src_map;
- void __iomem *src_ptr;
+ struct iosys_map src_ptr;
+
dma_addr_t dma = i915_gem_object_get_dma_address(obj, offset >> PAGE_SHIFT);
src_map = io_mapping_map_wc(&obj->mm.region->iomap,
dma - obj->mm.region->region.start,
PAGE_SIZE);
- src_ptr = src_map + offset_in_page(offset);
- if (!i915_memcpy_from_wc(dst, (void __force *)src_ptr, size))
- memcpy_fromio(dst, src_ptr, size);
+ iosys_map_set_vaddr_iomem(&src_ptr, (src_map + offset_in_page(offset)));
+ drm_memcpy_from_wc_vaddr(dst, &src_ptr, size);
io_mapping_unmap(src_map);
}
--
2.25.1
More information about the Intel-gfx
mailing list