This is a note to let you know that I've just added the patch titled
drm/amdgpu: for S0ix, skip SDMA 5.x+ suspend/resume
to the 6.2-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-amdgpu-for-s0ix-skip-sdma-5.x-suspend-resume.patch
and it can be found in the queue-6.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2a7798ea7390fd78f191c9e9bf68f5581d3b4a02 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Fri, 2 Dec 2022 10:13:40 -0500
Subject: drm/amdgpu: for S0ix, skip SDMA 5.x+ suspend/resume
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 2a7798ea7390fd78f191c9e9bf68f5581d3b4a02 upstream.
SDMA 5.x is part of the GFX block so it's controlled via
GFXOFF. Skip suspend as it should be handled the same
as GFX.
v2: drop SDMA 4.x. That requires special handling.
Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Acked-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: "Limonciello, Mario" <Mario.Limonciello@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3045,6 +3045,12 @@ static int amdgpu_device_ip_suspend_phas
adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_MES))
continue;
+ /* SDMA 5.x+ is part of GFX power domain so it's covered by GFXOFF */
+ if (adev->in_s0ix &&
+ (adev->ip_versions[SDMA0_HWIP][0] >= IP_VERSION(5, 0, 0)) &&
+ (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SDMA))
+ continue;
+
/* XXX handle errors */
r = adev->ip_blocks[i].version->funcs->suspend(adev);
/* XXX handle errors */
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-6.2/drm-amd-display-clear-mst-topology-if-it-fails-to-resume.patch
queue-6.2/drm-amdgpu-for-s0ix-skip-sdma-5.x-suspend-resume.patch
queue-6.2/drm-amdgpu-skip-psp-suspend-for-imu-enabled-asics-mode2-reset.patch
