On 3/21/22 23:44, Ramalingam C wrote:
Move the static calculations out of the loops for copy and clear.
Signed-off-by: Ramalingam C ramalingam.c@intel.com
Reviewed-by: Thomas Hellström thomas.hellstrom@linux.intel.com
drivers/gpu/drm/i915/gt/intel_migrate.c | 44 ++++++++++++------------- 1 file changed, 21 insertions(+), 23 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c index 73199ebf0671..b656685a486d 100644 --- a/drivers/gpu/drm/i915/gt/intel_migrate.c +++ b/drivers/gpu/drm/i915/gt/intel_migrate.c @@ -526,6 +526,7 @@ intel_context_migrate_copy(struct intel_context *ce, struct i915_request **out) { struct sgt_dma it_src = sg_sgt(src), it_dst = sg_sgt(dst);
- u32 src_offset, dst_offset; struct i915_request *rq; int err;
@@ -534,8 +535,20 @@ intel_context_migrate_copy(struct intel_context *ce,
GEM_BUG_ON(ce->ring->size < SZ_64K);
- src_offset = 0;
- dst_offset = CHUNK_SZ;
- if (HAS_64K_PAGES(ce->engine->i915)) {
GEM_BUG_ON(!src_is_lmem && !dst_is_lmem);src_offset = 0;dst_offset = 0;if (src_is_lmem)src_offset = CHUNK_SZ;if (dst_is_lmem)dst_offset = 2 * CHUNK_SZ;- }
- do {
u32 src_offset, dst_offset;int len;
rq = i915_request_create(ce);
@@ -563,19 +576,6 @@ intel_context_migrate_copy(struct intel_context *ce, if (err) goto out_rq;
src_offset = 0;dst_offset = CHUNK_SZ;if (HAS_64K_PAGES(ce->engine->i915)) {GEM_BUG_ON(!src_is_lmem && !dst_is_lmem);src_offset = 0;dst_offset = 0;if (src_is_lmem)src_offset = CHUNK_SZ;if (dst_is_lmem)dst_offset = 2 * CHUNK_SZ;}- len = emit_pte(rq, &it_src, src_cache_level, src_is_lmem, src_offset, CHUNK_SZ); if (len <= 0) {
@@ -585,12 +585,10 @@ intel_context_migrate_copy(struct intel_context *ce,
err = emit_pte(rq, &it_dst, dst_cache_level, dst_is_lmem, dst_offset, len);
if (err < 0)goto out_rq;if (err < len) {
if (err < len) err = -EINVAL;if (err < 0) goto out_rq;
}err = rq->engine->emit_flush(rq, EMIT_INVALIDATE); if (err)
@@ -694,6 +692,7 @@ intel_context_migrate_clear(struct intel_context *ce, { struct sgt_dma it = sg_sgt(sg); struct i915_request *rq;
u32 offset; int err;
GEM_BUG_ON(ce->vm != ce->engine->gt->migrate.context->vm);
@@ -701,8 +700,11 @@ intel_context_migrate_clear(struct intel_context *ce,
GEM_BUG_ON(ce->ring->size < SZ_64K);
- offset = 0;
- if (HAS_64K_PAGES(ce->engine->i915) && is_lmem)
offset = CHUNK_SZ;- do {
u32 offset;int len;
rq = i915_request_create(ce);
@@ -730,10 +732,6 @@ intel_context_migrate_clear(struct intel_context *ce, if (err) goto out_rq;
offset = 0;if (HAS_64K_PAGES(ce->engine->i915) && is_lmem)offset = CHUNK_SZ;- len = emit_pte(rq, &it, cache_level, is_lmem, offset, CHUNK_SZ); if (len <= 0) { err = len;