From: Ramalingam C <ramalingam.c@intel.com>
To: intel-gfx <intel-gfx@lists.freedesktop.org>,
dri-devel <dri-devel@lists.freedesktop.org>
Subject: [PATCH v9 3/9] drm/i915/gt: Optimize the migration and clear loop
Date: Tue, 5 Apr 2022 20:38:34 +0530 [thread overview]
Message-ID: <20220405150840.29351-4-ramalingam.c@intel.com> (raw)
In-Reply-To: <20220405150840.29351-1-ramalingam.c@intel.com>
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> (v1)
---
drivers/gpu/drm/i915/gt/intel_migrate.c | 34 ++++++++++++-------------
1 file 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;
--
2.20.1
next prev parent reply other threads:[~2022-04-05 15:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-05 15:08 [PATCH v9 0/9] drm/i915/ttm: Evict and restore of compressed object Ramalingam C
2022-04-05 15:08 ` [PATCH v9 1/9] drm/i915/gt: use engine instance directly for offset Ramalingam C
2022-04-05 15:08 ` [PATCH v9 2/9] drm/i915/gt: Use XY_FAST_COLOR_BLT to clear obj on graphics ver 12+ Ramalingam C
2022-04-05 15:08 ` Ramalingam C [this message]
2022-04-05 15:08 ` [PATCH v9 4/9] drm/i915/gt: Pass the -EINVAL when emit_pte doesn't update any PTE Ramalingam C
2022-04-08 9:02 ` [Intel-gfx] " Thomas Hellström (Intel)
2022-04-05 15:08 ` [PATCH v9 5/9] drm/i915/gt: Clear compress metadata for Flat-ccs objects Ramalingam C
2022-04-05 15:08 ` [PATCH v9 6/9] drm/i915/selftest_migrate: Consider the possible roundup of size Ramalingam C
2022-04-05 15:08 ` [PATCH v9 7/9] drm/i915/selftest_migrate: Check CCS meta data clear Ramalingam C
2022-04-05 15:08 ` [PATCH v9 8/9] drm/i915/gem: Add extra pages in ttm_tt for ccs data Ramalingam C
2022-04-05 15:08 ` [PATCH v9 9/9] drm/i915/migrate: Evict and restore the flatccs capable lmem obj Ramalingam C
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