This is a note to let you know that I've just added the patch titled
drm/amdgpu: correct initial cp_hqd_quantum for gfx9
to the 5.10-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-correct-initial-cp_hqd_quantum-for-gfx9.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 9f52c25f59b504a29dda42d83ac1e24d2af535d4 Mon Sep 17 00:00:00 2001
From: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Date: Sun, 26 Sep 2021 22:19:35 +0800
Subject: drm/amdgpu: correct initial cp_hqd_quantum for gfx9
From: Hawking Zhang <Hawking.Zhang@xxxxxxx>
commit 9f52c25f59b504a29dda42d83ac1e24d2af535d4 upstream.
didn't read the value of mmCP_HQD_QUANTUM from correct
register offset
Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Reviewed-by: Le Ma <Le.Ma@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3542,7 +3542,7 @@ static int gfx_v9_0_mqd_init(struct amdg
/* set static priority for a queue/ring */
gfx_v9_0_mqd_set_priority(ring, mqd);
- mqd->cp_hqd_quantum = RREG32(mmCP_HQD_QUANTUM);
+ mqd->cp_hqd_quantum = RREG32_SOC15(GC, 0, mmCP_HQD_QUANTUM);
/* map_queues packet doesn't need activate the queue,
* so only kiq need set this field.
Patches currently in stable-queue which might be from Hawking.Zhang@xxxxxxx are
queue-5.10/drm-amdgpu-correct-initial-cp_hqd_quantum-for-gfx9.patch
