From 4b31b92b143f7d209f3d494c56d4c4673e9fc53d Mon Sep 17 00:00:00 2001
From: Harsh Jain <harsh.jain@amd.com>
Date: Wed, 2 Nov 2022 15:23:08 +0530
Subject: [PATCH] drm/amdgpu: complete gfxoff allow signal during suspend without delay
Git-commit: 4b31b92b143f7d209f3d494c56d4c4673e9fc53d
Patch-mainline: v6.2-rc1
References: git-fixes
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@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 9546adc8a76f..23692e5d4d13 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -583,10 +583,14 @@ void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)
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) {
--
2.35.3