diff options
| 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/intel_ringbuffer.c | |
| parent | 17f298cf5458045562157a8bb7a592dbdace3d95 (diff) | |
| download | op-kernel-dev-c1bb11451ed93aae53efcf461f936a54675dcbea.zip op-kernel-dev-c1bb11451ed93aae53efcf461f936a54675dcbea.tar.gz | |
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/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 09f01c6..ed19868 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1317,7 +1317,7 @@ static int gen8_rcs_signal(struct drm_i915_gem_request *req) enum intel_engine_id id; int ret, num_rings; - num_rings = hweight32(INTEL_INFO(dev_priv)->ring_mask); + num_rings = INTEL_INFO(dev_priv)->num_rings; ret = intel_ring_begin(req, (num_rings-1) * 8); if (ret) return ret; @@ -1354,7 +1354,7 @@ static int gen8_xcs_signal(struct drm_i915_gem_request *req) enum intel_engine_id id; int ret, num_rings; - num_rings = hweight32(INTEL_INFO(dev_priv)->ring_mask); + num_rings = INTEL_INFO(dev_priv)->num_rings; ret = intel_ring_begin(req, (num_rings-1) * 6); if (ret) return ret; @@ -1389,7 +1389,7 @@ static int gen6_signal(struct drm_i915_gem_request *req) enum intel_engine_id id; int ret, num_rings; - num_rings = hweight32(INTEL_INFO(dev_priv)->ring_mask); + num_rings = INTEL_INFO(dev_priv)->num_rings; ret = intel_ring_begin(req, round_up((num_rings-1) * 3, 2)); if (ret) return ret; |
