diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index acd1da9b62a3..cdf084ef5aae 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1712,6 +1712,9 @@ u32 *intel_ring_begin(struct drm_i915_gem_request *req, unsigned int total_bytes; u32 *cs; + /* Packets must be qword aligned. */ + GEM_BUG_ON(num_dwords & 1); + total_bytes = bytes + req->reserved_space; GEM_BUG_ON(total_bytes > ring->effective_size); @@ -2140,7 +2143,7 @@ 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 +2187,7 @@ 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) { |