Patch "drm/ttm: Print the memory decryption status just once" has been added to the 6.1-stable tree

[gregkh at linuxfoundation.org]

This is a note to let you know that I've just added the patch titled

    drm/ttm: Print the memory decryption status just once

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-ttm-print-the-memory-decryption-status-just-once.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable at vger.kernel.org> know about it.


>From stable+bounces-100114-greg=kroah.com at vger.kernel.org Mon Dec  9 10:50:05 2024
From: Ajay Kaher <ajay.kaher at broadcom.com>
Date: Mon,  9 Dec 2024 09:49:04 +0000
Subject: drm/ttm: Print the memory decryption status just once
To: stable at vger.kernel.org, gregkh at linuxfoundation.org
Cc: zack.rusin at broadcom.com, thomas.hellstrom at linux.intel.com, christian.koenig at amd.com, ray.huang at amd.com, airlied at gmail.com, daniel at ffwll.ch, dri-devel at lists.freedesktop.org, linux-kernel at vger.kernel.org, ajay.kaher at broadcom.com, alexey.makhalov at broadcom.com, vasavi.sirnapalli at broadcom.com, Ye Li <ye.li at broadcom.com>
Message-ID: <20241209094904.2547579-3-ajay.kaher at broadcom.com>

From: Zack Rusin <zack.rusin at broadcom.com>

commit 27906e5d78248b19bcdfdae72049338c828897bb upstream.

Stop printing the TT memory decryption status info each time tt is created
and instead print it just once.

Reduces the spam in the system logs when running guests with SEV enabled.

Signed-off-by: Zack Rusin <zack.rusin at broadcom.com>
Fixes: 71ce046327cf ("drm/ttm: Make sure the mapped tt pages are decrypted when needed")
Reviewed-by: Christian König <christian.koenig at amd.com>
Cc: Thomas Hellström <thomas.hellstrom at linux.intel.com>
Cc: dri-devel at lists.freedesktop.org
Cc: linux-kernel at vger.kernel.org
Cc: <stable at vger.kernel.org> # v5.14+
Link: https://patchwork.freedesktop.org/patch/msgid/20240408155605.1398631-1-zack.rusin@broadcom.com
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Signed-off-by: Ye Li <ye.li at broadcom.com>
Signed-off-by: Ajay Kaher <ajay.kaher at broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
 drivers/gpu/drm/ttm/ttm_tt.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -90,7 +90,7 @@ int ttm_tt_create(struct ttm_buffer_obje
 	 */
 	if (bdev->pool.use_dma_alloc && cc_platform_has(CC_ATTR_GUEST_MEM_ENCRYPT)) {
 		page_flags |= TTM_TT_FLAG_DECRYPTED;
-		drm_info(ddev, "TT memory decryption enabled.");
+		drm_info_once(ddev, "TT memory decryption enabled.");
 	}
 
 	bo->ttm = bdev->funcs->ttm_tt_create(bo, page_flags);


Patches currently in stable-queue which might be from ajay.kaher at broadcom.com are

queue-6.1/drm-ttm-print-the-memory-decryption-status-just-once.patch
queue-6.1/drm-ttm-make-sure-the-mapped-tt-pages-are-decrypted-when-needed.patch
queue-6.1/ptp-add-error-handling-for-adjfine-callback-in-ptp_c.patch