diff options
| author |   Ramalingam C <ramalingam.c@intel.com> | 2022-04-05 20:38:34 +0530 |
|---|---|---|
| committer | Ramalingam C <ramalingam.c@intel.com> | 2022-04-14 13:20:08 +0530 |
| commit | 6e6bc8c0a81576839d1dbebbfd0a534949cb0d11 (patch) | |
| tree | 3f6e763735cd38ae82a954a37dff518ddc3fc74f | |
| parent | drm/i915/gt: Use XY_FAST_COLOR_BLT to clear obj on graphics ver 12+ (diff) | |
| download | linux-dev-6e6bc8c0a81576839d1dbebbfd0a534949cb0d11.tar.xz linux-dev-6e6bc8c0a81576839d1dbebbfd0a534949cb0d11.zip | |
drm/i915/gt: Optimize the migration and clear loop
Move the static calculations out of the loops for copy and clear.
v2:
Fix the loss of proper error code on emit_pte
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220405150840.29351-4-ramalingam.c@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_migrate.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c index e81f20266f62..e0f1c727662e 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; @@ -535,8 +536,18 @@ 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)) { + 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); @@ -564,17 +575,6 @@ 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)) { - 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) { @@ -690,6 +690,7 @@ 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); @@ -697,8 +698,11 @@ 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); @@ -726,10 +730,6 @@ 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; |