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drm/i915: Remove unused intel_ring_cacheline_align

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The last use of intel_ring_cacheline_align() was removed in 2017 by
commit afa8ce5b30 ("drm/i915: Nuke legacy flip queueing code")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Tvrtko Ursulin <tursulin@igalia.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241227113754.25871-3-tursulin@igalia.com
This commit is contained in:
Dr. David Alan Gilbert 2024-12-27 11:37:54 +00:00 committed by Andi Shyti
parent 64420d2f3e
commit 0a1584ec3d
2 changed files with 0 additions and 25 deletions
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24
drivers/gpu/drm/i915/gt/intel_ring.c
View File

@ -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

1
drivers/gpu/drm/i915/gt/intel_ring.h
View File

@ -16,7 +16,6 @@ struct intel_ring *
intel_engine_create_ring(struct intel_engine_cs *engine, int size);
u32 *intel_ring_begin(struct i915_request *rq, unsigned int num_dwords);
int intel_ring_cacheline_align(struct i915_request *rq);
unsigned int intel_ring_update_space(struct intel_ring *ring);