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From: Matthew Auld <matthew.auld@intel.com>
To: intel-xe@lists.freedesktop.org
Cc: "Matthew Brost" <matthew.brost@intel.com>,
	"Satyanarayana K V P" <satyanarayana.k.v.p@intel.com>,
	"Thomas Hellström" <thomas.hellstrom@linux.intel.com>,
	"Rodrigo Vivi" <rodrigo.vivi@intel.com>
Subject: [PATCH v3 3/8] drm/xe: Add XE_BO_FLAG_PINNED_NORESTORE
Date: Fri,  7 Mar 2025 18:29:00 +0000	[thread overview]
Message-ID: <20250307182856.304850-13-matthew.auld@intel.com> (raw)
In-Reply-To: <20250307182856.304850-10-matthew.auld@intel.com>

From: Matthew Brost <matthew.brost@intel.com>

Not all BOs need to be restored on resume / d3cold exit, add
XE_BO_FLAG_PINNED_NO_RESTORE which skips restoring of BOs rather just
allocates VRAM for the BO. This should slightly speedup resume / d3cold
exit flows.

Marking GuC ADS, GuC CT, GuC log, GuC PC, and SA as NORESTORE.

v2:
 - s/WONTNEED/NORESTORE (Vivi)
 - Rebase on newly added g2g and backup object flow

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
 drivers/gpu/drm/xe/xe_bo.c      | 6 +++++-
 drivers/gpu/drm/xe/xe_bo.h      | 9 +++++----
 drivers/gpu/drm/xe/xe_guc.c     | 3 ++-
 drivers/gpu/drm/xe/xe_guc_ads.c | 3 ++-
 drivers/gpu/drm/xe/xe_guc_ct.c  | 3 ++-
 drivers/gpu/drm/xe/xe_guc_log.c | 3 ++-
 drivers/gpu/drm/xe/xe_guc_pc.c  | 3 ++-
 drivers/gpu/drm/xe/xe_sa.c      | 3 ++-
 8 files changed, 22 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index 7fe70f28f7fa..f22b02700778 100644
--- a/drivers/gpu/drm/xe/xe_bo.c
+++ b/drivers/gpu/drm/xe/xe_bo.c
@@ -1092,6 +1092,9 @@ int xe_bo_evict_pinned(struct xe_bo *bo)
 	if (!xe_bo_is_vram(bo))
 		goto out_unlock_bo;
 
+	if (bo->flags & XE_BO_FLAG_PINNED_NORESTORE)
+		goto out_unlock_bo;
+
 	backup = xe_bo_create_locked(xe, NULL, NULL, bo->size, ttm_bo_type_kernel,
 				     XE_BO_FLAG_SYSTEM | XE_BO_FLAG_NEEDS_CPU_ACCESS |
 				     XE_BO_FLAG_PINNED);
@@ -2080,7 +2083,8 @@ int xe_managed_bo_reinit_in_vram(struct xe_device *xe, struct xe_tile *tile, str
 	struct xe_bo *bo;
 	u32 dst_flags = XE_BO_FLAG_VRAM_IF_DGFX(tile) | XE_BO_FLAG_GGTT;
 
-	dst_flags |= (*src)->flags & XE_BO_FLAG_GGTT_INVALIDATE;
+	dst_flags |= (*src)->flags & (XE_BO_FLAG_GGTT_INVALIDATE |
+				      XE_BO_FLAG_PINNED_NORESTORE);
 
 	xe_assert(xe, IS_DGFX(xe));
 	xe_assert(xe, !(*src)->vmap.is_iomem);
diff --git a/drivers/gpu/drm/xe/xe_bo.h b/drivers/gpu/drm/xe/xe_bo.h
index bec33eb3fa95..3937111c2adb 100644
--- a/drivers/gpu/drm/xe/xe_bo.h
+++ b/drivers/gpu/drm/xe/xe_bo.h
@@ -39,10 +39,11 @@
 #define XE_BO_FLAG_NEEDS_64K		BIT(15)
 #define XE_BO_FLAG_NEEDS_2M		BIT(16)
 #define XE_BO_FLAG_GGTT_INVALIDATE	BIT(17)
-#define XE_BO_FLAG_GGTT0                BIT(18)
-#define XE_BO_FLAG_GGTT1                BIT(19)
-#define XE_BO_FLAG_GGTT2                BIT(20)
-#define XE_BO_FLAG_GGTT3                BIT(21)
+#define XE_BO_FLAG_PINNED_NORESTORE	BIT(18)
+#define XE_BO_FLAG_GGTT0                BIT(19)
+#define XE_BO_FLAG_GGTT1                BIT(20)
+#define XE_BO_FLAG_GGTT2                BIT(21)
+#define XE_BO_FLAG_GGTT3                BIT(22)
 #define XE_BO_FLAG_GGTT_ALL             (XE_BO_FLAG_GGTT0 | \
 					 XE_BO_FLAG_GGTT1 | \
 					 XE_BO_FLAG_GGTT2 | \
diff --git a/drivers/gpu/drm/xe/xe_guc.c b/drivers/gpu/drm/xe/xe_guc.c
index bc1ff0a4e1e7..1bb2f08d6140 100644
--- a/drivers/gpu/drm/xe/xe_guc.c
+++ b/drivers/gpu/drm/xe/xe_guc.c
@@ -483,7 +483,8 @@ static int guc_g2g_alloc(struct xe_guc *guc)
 					  XE_BO_FLAG_VRAM_IF_DGFX(tile) |
 					  XE_BO_FLAG_GGTT |
 					  XE_BO_FLAG_GGTT_ALL |
-					  XE_BO_FLAG_GGTT_INVALIDATE);
+					  XE_BO_FLAG_GGTT_INVALIDATE |
+					  XE_BO_FLAG_PINNED_NORESTORE);
 	if (IS_ERR(bo))
 		return PTR_ERR(bo);
 
diff --git a/drivers/gpu/drm/xe/xe_guc_ads.c b/drivers/gpu/drm/xe/xe_guc_ads.c
index e7c9e095a19f..6d08871ac5ea 100644
--- a/drivers/gpu/drm/xe/xe_guc_ads.c
+++ b/drivers/gpu/drm/xe/xe_guc_ads.c
@@ -414,7 +414,8 @@ int xe_guc_ads_init(struct xe_guc_ads *ads)
 	bo = xe_managed_bo_create_pin_map(xe, tile, guc_ads_size(ads) + MAX_GOLDEN_LRC_SIZE,
 					  XE_BO_FLAG_SYSTEM |
 					  XE_BO_FLAG_GGTT |
-					  XE_BO_FLAG_GGTT_INVALIDATE);
+					  XE_BO_FLAG_GGTT_INVALIDATE |
+					  XE_BO_FLAG_PINNED_NORESTORE);
 	if (IS_ERR(bo))
 		return PTR_ERR(bo);
 
diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c
index 72ad576fc18e..56b2c82a57d5 100644
--- a/drivers/gpu/drm/xe/xe_guc_ct.c
+++ b/drivers/gpu/drm/xe/xe_guc_ct.c
@@ -238,7 +238,8 @@ int xe_guc_ct_init(struct xe_guc_ct *ct)
 	bo = xe_managed_bo_create_pin_map(xe, tile, guc_ct_size(),
 					  XE_BO_FLAG_SYSTEM |
 					  XE_BO_FLAG_GGTT |
-					  XE_BO_FLAG_GGTT_INVALIDATE);
+					  XE_BO_FLAG_GGTT_INVALIDATE |
+					  XE_BO_FLAG_PINNED_NORESTORE);
 	if (IS_ERR(bo))
 		return PTR_ERR(bo);
 
diff --git a/drivers/gpu/drm/xe/xe_guc_log.c b/drivers/gpu/drm/xe/xe_guc_log.c
index 80514a446ba2..38039c411387 100644
--- a/drivers/gpu/drm/xe/xe_guc_log.c
+++ b/drivers/gpu/drm/xe/xe_guc_log.c
@@ -260,7 +260,8 @@ int xe_guc_log_init(struct xe_guc_log *log)
 	bo = xe_managed_bo_create_pin_map(xe, tile, guc_log_size(),
 					  XE_BO_FLAG_SYSTEM |
 					  XE_BO_FLAG_GGTT |
-					  XE_BO_FLAG_GGTT_INVALIDATE);
+					  XE_BO_FLAG_GGTT_INVALIDATE |
+					  XE_BO_FLAG_PINNED_NORESTORE);
 	if (IS_ERR(bo))
 		return PTR_ERR(bo);
 
diff --git a/drivers/gpu/drm/xe/xe_guc_pc.c b/drivers/gpu/drm/xe/xe_guc_pc.c
index 25040efa043f..ed491894438b 100644
--- a/drivers/gpu/drm/xe/xe_guc_pc.c
+++ b/drivers/gpu/drm/xe/xe_guc_pc.c
@@ -1142,7 +1142,8 @@ int xe_guc_pc_init(struct xe_guc_pc *pc)
 	bo = xe_managed_bo_create_pin_map(xe, tile, size,
 					  XE_BO_FLAG_VRAM_IF_DGFX(tile) |
 					  XE_BO_FLAG_GGTT |
-					  XE_BO_FLAG_GGTT_INVALIDATE);
+					  XE_BO_FLAG_GGTT_INVALIDATE |
+					  XE_BO_FLAG_PINNED_NORESTORE);
 	if (IS_ERR(bo))
 		return PTR_ERR(bo);
 
diff --git a/drivers/gpu/drm/xe/xe_sa.c b/drivers/gpu/drm/xe/xe_sa.c
index f8fe61e25518..1d43e183ca21 100644
--- a/drivers/gpu/drm/xe/xe_sa.c
+++ b/drivers/gpu/drm/xe/xe_sa.c
@@ -60,7 +60,8 @@ struct xe_sa_manager *__xe_sa_bo_manager_init(struct xe_tile *tile, u32 size, u3
 	bo = xe_managed_bo_create_pin_map(xe, tile, size,
 					  XE_BO_FLAG_VRAM_IF_DGFX(tile) |
 					  XE_BO_FLAG_GGTT |
-					  XE_BO_FLAG_GGTT_INVALIDATE);
+					  XE_BO_FLAG_GGTT_INVALIDATE |
+					  XE_BO_FLAG_PINNED_NORESTORE);
 	if (IS_ERR(bo)) {
 		drm_err(&xe->drm, "Failed to prepare %uKiB BO for SA manager (%pe)\n",
 			size / SZ_1K, bo);
-- 
2.48.1


  parent reply	other threads:[~2025-03-07 18:29 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-07 18:28 [PATCH v3 0/8] Improve SRIOV VRAM provisioning Matthew Auld
2025-03-07 18:28 ` [PATCH v3 1/8] drm/xe: use backup object for pinned save/restore Matthew Auld
2025-03-07 18:28 ` [PATCH v3 2/8] drm/xe: split pinned save/restore into phases Matthew Auld
2025-03-07 18:29 ` Matthew Auld [this message]
2025-03-07 18:29 ` [PATCH v3 4/8] drm/xe/migrate: ignore CCS for kernel objects Matthew Auld
2025-03-26  6:09   ` K V P, Satyanarayana
2025-03-07 18:29 ` [PATCH v3 5/8] drm/xe: add XE_BO_FLAG_PINNED_LATE_RESTORE Matthew Auld
2025-03-26  6:15   ` K V P, Satyanarayana
2025-03-26  9:03     ` Matthew Auld
2025-03-07 18:29 ` [PATCH v3 6/8] drm/xe: unconditionally apply PINNED for pin_map() Matthew Auld
2025-03-07 18:29 ` [PATCH v3 7/8] drm/xe: allow non-contig VRAM kernel BO Matthew Auld
2025-03-07 18:29 ` [PATCH v3 8/8] drm/xe/sriov: support non-contig VRAM provisioning Matthew Auld
2025-03-07 20:51 ` ✓ CI.Patch_applied: success for Improve SRIOV VRAM provisioning (rev2) Patchwork
2025-03-07 20:52 ` ✓ CI.checkpatch: " Patchwork
2025-03-07 20:53 ` ✓ CI.KUnit: " Patchwork
2025-03-07 21:10 ` ✓ CI.Build: " Patchwork
2025-03-07 21:13 ` ✓ CI.Hooks: " Patchwork
2025-03-07 21:14 ` ✓ CI.checksparse: " Patchwork
2025-03-07 21:44 ` ✗ Xe.CI.BAT: failure " Patchwork
2025-03-09  1:59 ` ✗ Xe.CI.Full: " Patchwork

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