linux-kernel - [PATCH 10/26] habanalabs: update DRAM props according to preboot data

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu,  8 Dec 2022 17:13:34 +0200
From:   Oded Gabbay <ogabbay@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     Ohad Sharabi <osharabi@...ana.ai>
Subject: [PATCH 10/26] habanalabs: update DRAM props according to preboot data

From: Ohad Sharabi <osharabi@...ana.ai>

If the f/w reports the binning masks at the preboot stage, the driver
must align its DRAM properties according to the new information.

Signed-off-by: Ohad Sharabi <osharabi@...ana.ai>
Reviewed-by: Oded Gabbay <ogabbay@...nel.org>
Signed-off-by: Oded Gabbay <ogabbay@...nel.org>
---
 drivers/misc/habanalabs/common/firmware_if.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c
index 4f364c3085fe..046866c673e2 100644
--- a/drivers/misc/habanalabs/common/firmware_if.c
+++ b/drivers/misc/habanalabs/common/firmware_if.c
@@ -2582,6 +2582,10 @@ static int hl_fw_dynamic_init_cpu(struct hl_device *hdev,
 			hdev->decoder_binning = le32_to_cpu(binning_info->dec_mask);
 			hdev->rotator_binning = le32_to_cpu(binning_info->rot_mask);
 
+			rc = hdev->asic_funcs->set_dram_properties(hdev);
+			if (rc)
+				goto out;
+
 			dev_dbg(hdev->dev,
 				"Read binning masks: tpc: 0x%llx, dram: 0x%llx, edma: 0x%x, dec: 0x%x, rot:0x%x\n",
 				hdev->tpc_binning, hdev->dram_binning, hdev->edma_binning,
-- 
2.25.1