diff options
| author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2016-05-10 10:57:04 +0100 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2016-05-11 12:27:27 +0100 |
| commit | ae5702d245c2328f1b4afa4ae7d39792a8064d48 (patch) | |
| tree | af256c3c4d8059deb41a50ace3b231d6ec9c37ef /drivers/gpu/drm/i915/intel_uncore.c | |
| parent | dc97997a21fe1708fc93021baa4ba90db7a3b57f (diff) | |
drm/i915: Make IS_GENx macros work on a mask
If instead of numerical comparison me make these test a
bitmask, we enable the compiler to optimize all instances
of IS_GENx || IS_GENy.
v2: Make bit zero of gen mask mean gen 1.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uncore.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uncore.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 0c48af2f1b7e..0b1bd07dd04a 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1391,7 +1391,7 @@ void intel_uncore_fini(struct drm_i915_private *dev_priv) intel_uncore_forcewake_reset(dev_priv, false); } -#define GEN_RANGE(l, h) GENMASK(h, l) +#define GEN_RANGE(l, h) GENMASK((h) - 1, (l) - 1) static const struct register_whitelist { i915_reg_t offset_ldw, offset_udw; @@ -1416,7 +1416,7 @@ int i915_reg_read_ioctl(struct drm_device *dev, for (i = 0; i < ARRAY_SIZE(whitelist); i++, entry++) { if (i915_mmio_reg_offset(entry->offset_ldw) == (reg->offset & -entry->size) && - (1 << INTEL_INFO(dev)->gen & entry->gen_bitmask)) + (INTEL_INFO(dev)->gen_mask & entry->gen_bitmask)) break; } |