This is a note to let you know that I've just added the patch titled
drm/amdgpu: complete gfxoff allow signal during suspend without delay
to the 5.15-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-complete-gfxoff-allow-signal-during-suspend-without-delay.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 4b31b92b143f7d209f3d494c56d4c4673e9fc53d Mon Sep 17 00:00:00 2001
From: Harsh Jain <harsh.jain@xxxxxxx>
Date: Wed, 2 Nov 2022 15:23:08 +0530
Subject: drm/amdgpu: complete gfxoff allow signal during suspend without delay
From: Harsh Jain <harsh.jain@xxxxxxx>
commit 4b31b92b143f7d209f3d494c56d4c4673e9fc53d upstream.
change guarantees that gfxoff is allowed before moving further in
s2idle sequence to add more reliablity about gfxoff in amdgpu IP's
suspend flow
Signed-off-by: Harsh Jain <harsh.jain@xxxxxxx>
Reviewed-by: Evan Quan <evan.quan@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_gfx.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -580,10 +580,14 @@ void amdgpu_gfx_off_ctrl(struct amdgpu_d
if (adev->gfx.gfx_off_req_count == 0 &&
!adev->gfx.gfx_off_state) {
/* If going to s2idle, no need to wait */
- if (adev->in_s0ix)
- delay = GFX_OFF_NO_DELAY;
- schedule_delayed_work(&adev->gfx.gfx_off_delay_work,
+ if (adev->in_s0ix) {
+ if (!amdgpu_dpm_set_powergating_by_smu(adev,
+ AMD_IP_BLOCK_TYPE_GFX, true))
+ adev->gfx.gfx_off_state = true;
+ } else {
+ schedule_delayed_work(&adev->gfx.gfx_off_delay_work,
delay);
+ }
}
} else {
if (adev->gfx.gfx_off_req_count == 0) {
Patches currently in stable-queue which might be from harsh.jain@xxxxxxx are
queue-5.15/drm-amdgpu-complete-gfxoff-allow-signal-during-suspend-without-delay.patch
