[Intel-gfx] [PATCH] drm/i915: Move a few more utility macros to i915_utils.h
Tvrtko Ursulin
tvrtko.ursulin at linux.intel.com
Thu Jan 5 17:06:28 UTC 2017
On 05/01/2017 16:41, Chris Wilson wrote:
> Now that we have split out a header file for simple macros (that maybe
> we can promote into a core header), move a few macros across from
> i915_drv.h
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> ---
> drivers/gpu/drm/i915/i915_drv.h | 20 --------------------
> drivers/gpu/drm/i915/i915_utils.h | 20 ++++++++++++++++++++
> 2 files changed, 20 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index fb6d93450927..4fb91f5c4cf1 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -4085,24 +4085,4 @@ int remap_io_mapping(struct vm_area_struct *vma,
> unsigned long addr, unsigned long pfn, unsigned long size,
> struct io_mapping *iomap);
>
> -#define ptr_mask_bits(ptr) ({ \
> - unsigned long __v = (unsigned long)(ptr); \
> - (typeof(ptr))(__v & PAGE_MASK); \
> -})
> -
> -#define ptr_unpack_bits(ptr, bits) ({ \
> - unsigned long __v = (unsigned long)(ptr); \
> - (bits) = __v & ~PAGE_MASK; \
> - (typeof(ptr))(__v & PAGE_MASK); \
> -})
> -
> -#define ptr_pack_bits(ptr, bits) \
> - ((typeof(ptr))((unsigned long)(ptr) | (bits)))
> -
> -#define fetch_and_zero(ptr) ({ \
> - typeof(*ptr) __T = *(ptr); \
> - *(ptr) = (typeof(*ptr))0; \
> - __T; \
> -})
> -
> #endif
> diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h
> index 9983ef30bac8..34020873e1f6 100644
> --- a/drivers/gpu/drm/i915/i915_utils.h
> +++ b/drivers/gpu/drm/i915/i915_utils.h
> @@ -41,4 +41,24 @@
> #define overflows_type(x, T) \
> (sizeof(x) > sizeof(T) && (x) >> (sizeof(T) * BITS_PER_BYTE))
>
> +#define ptr_mask_bits(ptr) ({ \
> + unsigned long __v = (unsigned long)(ptr); \
> + (typeof(ptr))(__v & PAGE_MASK); \
> +})
> +
> +#define ptr_unpack_bits(ptr, bits) ({ \
> + unsigned long __v = (unsigned long)(ptr); \
> + (bits) = __v & ~PAGE_MASK; \
> + (typeof(ptr))(__v & PAGE_MASK); \
> +})
> +
> +#define ptr_pack_bits(ptr, bits) \
> + ((typeof(ptr))((unsigned long)(ptr) | (bits)))
> +
> +#define fetch_and_zero(ptr) ({ \
> + typeof(*ptr) __T = *(ptr); \
> + *(ptr) = (typeof(*ptr))0; \
> + __T; \
> +})
> +
> #endif /* !__I915_UTILS_H */
>
You had my r-b for this one as well.
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Regards,
Tvrtko
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