On Thu, Jun 20, 2019 at 7:22 PM Lyude Paul <[email protected]> wrote: > > I'm not entirely sure why this is, but for some reason: > > 921935dc6404 ("drm/amd/powerplay: enforce display related settings only on > needed") > > Breaks runtime PM resume on the Radeon PRO WX 3100 (Lexa) in one the > pre-production laptops I have. The issue manifests as the following > messages in dmesg: > > [drm] UVD and UVD ENC initialized successfully. > amdgpu 0000:3b:00.0: [drm:amdgpu_ring_test_helper [amdgpu]] *ERROR* ring vce1 > test failed (-110) > [drm:amdgpu_device_ip_resume_phase2 [amdgpu]] *ERROR* resume of IP block > <vce_v3_0> failed -110 > [drm:amdgpu_device_resume [amdgpu]] *ERROR* amdgpu_device_ip_resume failed > (-110). > > And happens after about 6-10 runtime PM suspend/resume cycles (sometimes > sooner, if you're lucky!). Unfortunately I can't seem to pin down > precisely which part in psm_adjust_power_state_dynamic that is causing > the issue, but not skipping the display setting setup seems to fix it. > Hopefully if there is a better fix for this, this patch will spark > discussion around it. > > Fixes: 921935dc6404 ("drm/amd/powerplay: enforce display related settings > only on needed") > Cc: Evan Quan <[email protected]> > Cc: Alex Deucher <[email protected]> > Cc: Huang Rui <[email protected]> > Cc: Rex Zhu <[email protected]> > Cc: Likun Gao <[email protected]> > Cc: <[email protected]> # v5.1+ > Signed-off-by: Lyude Paul <[email protected]>
I've gone ahead and applied this. Thanks, Alex > --- > drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c > b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c > index 6cd6497c6fc2..0e1b2d930816 100644 > --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c > +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c > @@ -325,7 +325,7 @@ int hwmgr_resume(struct pp_hwmgr *hwmgr) > if (ret) > return ret; > > - ret = psm_adjust_power_state_dynamic(hwmgr, true, NULL); > + ret = psm_adjust_power_state_dynamic(hwmgr, false, NULL); > > return ret; > } > -- > 2.21.0 > > _______________________________________________ > amd-gfx mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
