On Thu, Jan 07, 2021 at 09:01:40AM +0200, Jani Nikula wrote:
> On Wed, 09 Dec 2020, Imre Deak <[email protected]> wrote:
> > For an enabled DSC during HW readout the corresponding power reference
> > is taken along the CRTC power domain references in
> > get_crtc_power_domains(). Remove the incorrect get ref from the DSI
> > encoder hook.
>
> Does this fix [1] which is v5.11-rc2 on TGL DSI?
Yes, looks like it:
<4> [199.269612] i915 0000:00:02.0: i915 raw-wakerefs=1 wakelocks=1 on cleanup
...
<7> [199.277233] i915 Wakeref x1 taken at:
intel_display_power_get+0x1f/0x60 [i915]
intel_modeset_setup_hw_state+0xbcf/0x19b0 [i915]
> Should we pick this up for fixes?
Yes.
Thanks,
Imre
> BR,
> Jani.
>
>
> [1]
> https://intel-gfx-ci.01.org/tree/drm-intel-fixes/CI_DIF_538/fi-tgl-dsi/igt@[email protected]
>
>
>
> >
> > Cc: Vandita Kulkarni <[email protected]>
> > Cc: Jani Nikula <[email protected]>
> > Signed-off-by: Imre Deak <[email protected]>
> > ---
> > drivers/gpu/drm/i915/display/icl_dsi.c | 4 ----
> > 1 file changed, 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c
> > b/drivers/gpu/drm/i915/display/icl_dsi.c
> > index a9439b415603..b3533a32f8ba 100644
> > --- a/drivers/gpu/drm/i915/display/icl_dsi.c
> > +++ b/drivers/gpu/drm/i915/display/icl_dsi.c
> > @@ -1616,10 +1616,6 @@ static void gen11_dsi_get_power_domains(struct
> > intel_encoder *encoder,
> >
> > get_dsi_io_power_domains(i915,
> > enc_to_intel_dsi(encoder));
> > -
> > - if (crtc_state->dsc.compression_enable)
> > - intel_display_power_get(i915,
> > - intel_dsc_power_domain(crtc_state));
> > }
> >
> > static bool gen11_dsi_get_hw_state(struct intel_encoder *encoder,
>
> --
> Jani Nikula, Intel Open Source Graphics Center
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