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| author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2016-08-10 16:22:10 +0100 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2016-08-11 11:33:10 +0100 |
| commit | c1bb11451ed93aae53efcf461f936a54675dcbea (patch) | |
| tree | de3263fcbacc8069764b266b67e6685653c2ecaf /drivers/gpu/drm/i915/i915_gem_context.c | |
| parent | 17f298cf5458045562157a8bb7a592dbdace3d95 (diff) | |
| download | blackbird-obmc-linux-c1bb11451ed93aae53efcf461f936a54675dcbea.tar.gz blackbird-obmc-linux-c1bb11451ed93aae53efcf461f936a54675dcbea.zip | |
drm/i915: Store number of active engines in device info
Until now code was calling hweight32 to figure out the
number from device_info->ring_mask at runtime. Instead
we can cache it at engine init time and use directly.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Dave Gordon <david.s.gordon@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1470842530-35854-1-git-send-email-tvrtko.ursulin@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_context.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index bb72af5320b0..547caf26a6b9 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -568,7 +568,7 @@ mi_set_context(struct drm_i915_gem_request *req, u32 hw_flags) const int num_rings = /* Use an extended w/a on ivb+ if signalling from other rings */ i915.semaphores ? - hweight32(INTEL_INFO(dev_priv)->ring_mask) - 1 : + INTEL_INFO(dev_priv)->num_rings - 1 : 0; int len, ret; |
