[PATCH 06/11] drm/xe: Defer memirq init until needed

Maarten Lankhorst dev at lankhorst.se
Tue Dec 10 08:31:06 UTC 2024


memirqs require allocations into GGTT, which we cannot use until
after display is enabled.

Now that the initialisation of interrupts is postponed, move memirq
init too.

Signed-off-by: Maarten Lankhorst <dev at lankhorst.se>
---
 drivers/gpu/drm/xe/xe_device.c | 4 ----
 drivers/gpu/drm/xe/xe_tile.c   | 7 +++++++
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index c9c0b74c74ddb..4c46809472ae4 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -41,7 +41,6 @@
 #include "xe_hw_engine_group.h"
 #include "xe_hwmon.h"
 #include "xe_irq.h"
-#include "xe_memirq.h"
 #include "xe_mmio.h"
 #include "xe_module.h"
 #include "xe_oa.h"
@@ -675,9 +674,6 @@ int xe_device_probe(struct xe_device *xe)
 		err = xe_ggtt_init_early(tile->mem.ggtt);
 		if (err)
 			return err;
-		err = xe_memirq_init(&tile->memirq);
-		if (err)
-			return err;
 	}
 
 	for_each_gt(gt, xe, id) {
diff --git a/drivers/gpu/drm/xe/xe_tile.c b/drivers/gpu/drm/xe/xe_tile.c
index 2825553b568f7..d07c1fba793ca 100644
--- a/drivers/gpu/drm/xe/xe_tile.c
+++ b/drivers/gpu/drm/xe/xe_tile.c
@@ -10,6 +10,7 @@
 #include "xe_device.h"
 #include "xe_ggtt.h"
 #include "xe_gt.h"
+#include "xe_memirq.h"
 #include "xe_migrate.h"
 #include "xe_pcode.h"
 #include "xe_sa.h"
@@ -179,6 +180,12 @@ int xe_tile_init_noalloc(struct xe_tile *tile)
 
 int xe_tile_init(struct xe_tile *tile)
 {
+	int err;
+
+	err = xe_memirq_init(&tile->memirq);
+	if (err)
+		return err;
+
 	tile->mem.kernel_bb_pool = xe_sa_bo_manager_init(tile, SZ_1M, 16);
 	if (IS_ERR(tile->mem.kernel_bb_pool))
 		return PTR_ERR(tile->mem.kernel_bb_pool);
-- 
2.45.2



More information about the Intel-xe mailing list