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drm/amdgpu: complete gfxoff allow signal during suspend without delay 

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>
This commit is contained in:
Harsh Jain 2022-11-02 15:23:08 +05:30 committed by Alex Deucher
parent 3b8164f808
commit 4b31b92b14
1 changed files with 7 additions and 3 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
View File

@ -583,10 +583,14 @@ void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)
if (adev->gfx.gfx_off_req_count == 0 && if (adev->gfx.gfx_off_req_count == 0 &&
!adev->gfx.gfx_off_state) { !adev->gfx.gfx_off_state) {
/* If going to s2idle, no need to wait */ /* If going to s2idle, no need to wait */
if (adev->in_s0ix) if (adev->in_s0ix) {
delay = GFX_OFF_NO_DELAY; if (!amdgpu_dpm_set_powergating_by_smu(adev,
schedule_delayed_work(&adev->gfx.gfx_off_delay_work, AMD_IP_BLOCK_TYPE_GFX, true))
adev->gfx.gfx_off_state = true;
} else {
schedule_delayed_work(&adev->gfx.gfx_off_delay_work,
delay); delay);
}
} }
} else { } else {
if (adev->gfx.gfx_off_req_count == 0) { if (adev->gfx.gfx_off_req_count == 0) {