Quoting Michal Wajdeczko (2017-12-22 12:25:54)
> Zero and One are additional commonly used values that
> can have its own definitions.
>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/fixed16_16.h | 15 ++++++++++++---
> drivers/gpu/drm/i915/intel_pm.c | 22 +++++++++++-----------
> 2 files changed, 23 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/fixed16_16.h b/drivers/gpu/drm/i915/fixed16_16.h
> index ec859c0..af23997 100644
> --- a/drivers/gpu/drm/i915/fixed16_16.h
> +++ b/drivers/gpu/drm/i915/fixed16_16.h
> @@ -31,9 +31,18 @@
> u32 val;
> } fixed16_16_t;
>
> -#define FP_16_16_MAX ({ \
> - fixed16_16_t fp; \
> - fp.val = UINT_MAX; \
> +#define FIXED16_16_ZERO ({ \
> + fixed16_16_t fp = { .val = 0 }; \
> + fp; \
> +})
#define TO_FIXED16_16(x) (fixed16_16_t){ .val = (x) }
#define FIXED16_16_ZERO TO_FIXED16_16(0)
#define FIXED16_16_ONE TO_FIXED16_16(1)
#define FIXED16_16_MAX TO_FIXED16_16(U32_MAX)
?
-Chris
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