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drm/i915: Redefine ptr_pack_bits() and friends

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Rebrand the current (pointer | bits) pack/unpack utility macros as
explicit bit twiddling for PAGE_SIZE so that we can use the more
flexible underlying macros for different bits.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170517121007.27224-4-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2017-05-17 13:09:59 +01:00
parent 991bfc64db
commit 0ce8178808
3 changed files with 17 additions and 10 deletions
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2
drivers/gpu/drm/i915/i915_cmd_parser.c
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@@ -1284,7 +1284,7 @@ int intel_engine_cmd_parser(struct intel_engine_cs *engine,
if (*cmd == MI_BATCH_BUFFER_END) {
if (needs_clflush_after) {
void *ptr = ptr_mask_bits(shadow_batch_obj->mm.mapping);
void *ptr = page_mask_bits(shadow_batch_obj->mm.mapping);
drm_clflush_virt_range(ptr,
(void *)(cmd + 1) - ptr);
}