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drm/i915: Swap magics and use SZ_1M
author
Chris Wilson
<chris@chris-wilson.co.uk>
Tue, 5 Jun 2018 13:57:46 +0000
(14:57 +0100)
committer
Chris Wilson
<chris@chris-wilson.co.uk>
Tue, 5 Jun 2018 15:16:41 +0000
(16:16 +0100)
Since the kernel provides SZ_1M, use it in preference of 1 << 20.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link:
https://patchwork.freedesktop.org/patch/msgid/20180605135746.8020-1-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/i915_gem.c
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diff --git
a/drivers/gpu/drm/i915/i915_gem.c
b/drivers/gpu/drm/i915/i915_gem.c
index c41997595183685fed958c989d090d94587d9e8d..23374f3dd79d386e40efe21dd7ba70f5026ecdad 100644
(file)
--- a/
drivers/gpu/drm/i915/i915_gem.c
+++ b/
drivers/gpu/drm/i915/i915_gem.c
@@
-1999,7
+1999,7
@@
compute_partial_view(struct drm_i915_gem_object *obj,
*/
int i915_gem_fault(struct vm_fault *vmf)
{
-#define MIN_CHUNK_PAGES (
(1 << 20) >> PAGE_SHIFT) /* 1 MiB */
+#define MIN_CHUNK_PAGES (
SZ_1M >> PAGE_SHIFT)
struct vm_area_struct *area = vmf->vma;
struct drm_i915_gem_object *obj = to_intel_bo(area->vm_private_data);
struct drm_device *dev = obj->base.dev;