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* [PATCH V2] accel/amdxdna: Add support for AIE2 revision 9
@ 2026-09-29 18:14 Lizhi Hou
  2026-09-29 18:24 ` Mario Limonciello
  0 siblings, 1 reply; 3+ messages in thread
From: Lizhi Hou @ 2026-09-29 18:14 UTC (permalink / raw)
  To: ogabbay, quic_jhugo, dri-devel, mario.limonciello,
	karol.wachowski, max.zhen
  Cc: Lizhi Hou, linux-kernel, sonal.santan

aie2_get_dev_revision() fails to recognize AIE2 revision 9 hardware.
Add AIE2_DEV_REVISION_GRGH to the list of supported AIE2 revisions.

Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
---
V2:
  Fix sashiko comment: add the revision string.

 drivers/accel/amdxdna/aie2_msg_priv.h | 1 +
 drivers/accel/amdxdna/npu4_regs.c     | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/accel/amdxdna/aie2_msg_priv.h b/drivers/accel/amdxdna/aie2_msg_priv.h
index fd65a4236d49..8ed2b5701dcc 100644
--- a/drivers/accel/amdxdna/aie2_msg_priv.h
+++ b/drivers/accel/amdxdna/aie2_msg_priv.h
@@ -530,6 +530,7 @@ enum aie2_dev_revision {
 	AIE2_DEV_REVISION_GPT1,
 	AIE2_DEV_REVISION_GPT2,
 	AIE2_DEV_REVISION_GPT3,
+	AIE2_DEV_REVISION_GRGH,
 	AIE2_DEV_REVISION_UNKN,
 };
 
diff --git a/drivers/accel/amdxdna/npu4_regs.c b/drivers/accel/amdxdna/npu4_regs.c
index 15a161384625..c9648c8032ec 100644
--- a/drivers/accel/amdxdna/npu4_regs.c
+++ b/drivers/accel/amdxdna/npu4_regs.c
@@ -153,6 +153,7 @@ const struct amdxdna_rev_vbnv npu4_rev_vbnv_tbl[] = {
 	{ AIE2_DEV_REVISION_GPT1, "NPU Gorgon Point 1" },
 	{ AIE2_DEV_REVISION_GPT2, "NPU Gorgon Point 2" },
 	{ AIE2_DEV_REVISION_GPT3, "NPU Gorgon Point 3" },
+	{ AIE2_DEV_REVISION_GRGH, "NPU Gorgon Halo" },
 	{ 0 }
 };
 
-- 
2.34.1


^ permalink raw reply	[flat|nested] 3+ messages in thread

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2026-09-29 18:14 [PATCH V2] accel/amdxdna: Add support for AIE2 revision 9 Lizhi Hou
2026-09-29 18:24 ` Mario Limonciello
2026-09-29 18:41   ` Lizhi Hou

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