diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_ring.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_ring.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_ring.c b/drivers/gpu/drm/i915/gt/intel_ring.c index 59da4b7bd262..b74d9205c0f5 100644 --- a/drivers/gpu/drm/i915/gt/intel_ring.c +++ b/drivers/gpu/drm/i915/gt/intel_ring.c @@ -308,30 +308,6 @@ u32 *intel_ring_begin(struct i915_request *rq, unsigned int num_dwords) return cs; } -/* Align the ring tail to a cacheline boundary */ -int intel_ring_cacheline_align(struct i915_request *rq) -{ - int num_dwords; - void *cs; - - num_dwords = (rq->ring->emit & (CACHELINE_BYTES - 1)) / sizeof(u32); - if (num_dwords == 0) - return 0; - - num_dwords = CACHELINE_DWORDS - num_dwords; - GEM_BUG_ON(num_dwords & 1); - - cs = intel_ring_begin(rq, num_dwords); - if (IS_ERR(cs)) - return PTR_ERR(cs); - - memset64(cs, (u64)MI_NOOP << 32 | MI_NOOP, num_dwords / 2); - intel_ring_advance(rq, cs + num_dwords); - - GEM_BUG_ON(rq->ring->emit & (CACHELINE_BYTES - 1)); - return 0; -} - #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) #include "selftest_ring.c" #endif |