diff options
| author |   Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2017-06-19 11:59:17 +0100 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2017-06-20 12:42:13 +0100 |
| commit | c58949f4185020d6d447698818fc7614adec69cf (patch) | |
| tree | 9873aa991e99fc84d64c12de230a0b595408dd71 /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | drm/i915: Simplify intel_engines_init (diff) | |
| download | linux-dev-c58949f4185020d6d447698818fc7614adec69cf.tar.xz linux-dev-c58949f4185020d6d447698818fc7614adec69cf.zip | |
drm/i915: Do not re-calculate num_rings locally
Since bb8f0f5abdd7 ("drm/i915: Split intel_engine allocation
and initialisation") intel_info->num_rings is set early in the
load sequence and so available to be used direclty in the 2nd
load phase.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170616130339.23015-1-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 | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index acd1da9b62a3..5224b7abb8a3 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -2140,7 +2140,7 @@ static void intel_ring_default_vfuncs(struct drm_i915_private *dev_priv, engine->emit_breadcrumb = gen6_sema_emit_breadcrumb; - num_rings = hweight32(INTEL_INFO(dev_priv)->ring_mask) - 1; + num_rings = INTEL_INFO(dev_priv)->num_rings - 1; if (INTEL_GEN(dev_priv) >= 8) { engine->emit_breadcrumb_sz += num_rings * 6; } else { @@ -2184,8 +2184,7 @@ int intel_init_render_ring_buffer(struct intel_engine_cs *engine) engine->semaphore.signal = gen8_rcs_signal; - num_rings = - hweight32(INTEL_INFO(dev_priv)->ring_mask) - 1; + num_rings = INTEL_INFO(dev_priv)->num_rings - 1; engine->emit_breadcrumb_sz += num_rings * 8; } } else if (INTEL_GEN(dev_priv) >= 6) { |