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drm/i915: Convert to BITS_PER_TYPE

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In commit 9144d75e22 ("include/linux/bitops.h: introduce BITS_PER_TYPE"),
we made BITS_PER_TYPE available to all and now we can use the macro to
replace some open-coded computation of sizeof(T) * BITS_PER_BYTE.

Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180926104707.17410-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2018-09-26 11:47:07 +01:00
parent 2863b00941
commit 74f6e18391
7 changed files with 8 additions and 9 deletions
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2
drivers/gpu/drm/i915/i915_gem.c
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@@ -5959,7 +5959,7 @@ void i915_gem_track_fb(struct drm_i915_gem_object *old,
* the bits.
*/
BUILD_BUG_ON(INTEL_FRONTBUFFER_BITS_PER_PIPE * I915_MAX_PIPES >
sizeof(atomic_t) * BITS_PER_BYTE);
BITS_PER_TYPE(atomic_t));
if (old) {
WARN_ON(!(atomic_read(&old->frontbuffer_bits) & frontbuffer_bits));