Messages in this thread | | | From | Doug Anderson <> | Date | Mon, 7 Nov 2022 09:00:18 -0800 | Subject | Re: [PATCH] clk: qcom: Update the force mem core bit for GPU clocks |
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Hi,
On Sun, Nov 6, 2022 at 9:38 PM Satya Priya Kakitapalli (Temp) <quic_c_skakit@quicinc.com> wrote: > > > On 10/28/2022 5:54 AM, Stephen Boyd wrote: > > Quoting Satya Priya (2022-10-18 23:05:35) > >> From: Taniya Das <quic_tdas@quicinc.com> > >> > >> There are few GPU clocks which are powering up the memories > >> and thus enable the FORCE_MEM_PERIPH always for these clocks > >> to force the periph_on signal to remain active during halt > >> state of the clock. > > I take it that missing this causes GPU to lose state when it suspends > > and that confuses the driver? > > > It is more related to GPU SMMU states and the stability issues that are > encountered.
I see a very similar code sequence for sc7180. Is any similar fix needed for sc7180, or is this something unique for sc7280?
-Doug
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