On Mon, 17 Nov 2025 at 13:25, Konrad Dybcio <[email protected]> wrote: > > On 11/15/25 4:08 AM, Dmitry Baryshkov wrote: > > IGT reported test failures with Gamma correction block on SC7180. > > Disable GC subblock on SC7180 until we trage the issue. > > > > Cc: Federico Amedeo Izzo <[email protected]> > > Signed-off-by: Dmitry Baryshkov <[email protected]> > > --- > > Most likely I will squash this into the GC patch > > --- > > Peeking at downstream, 7180 and 845 should have the exact same GC > (v1.8).. it seems like there's an attempt to program it through > REGDMA instead of regular reg access. Not sure if it's actually > necessary or just an optimization
I think it's mostly an optimization. > What tests are exactly failing? I couldn't track it down on FDO GL See [1] and other failed SC7180 jobs from the same pipeline. I haven't triaged it yet, but I assume this might be related to platform resources (it has only 2 LM blocks and only 1 DSPP). Another possibility is that maybe we need higher CFG bus bandwidth when writing LUT registers. [1] https://gitlab.freedesktop.org/drm/msm/-/jobs/87878393 -- With best wishes Dmitry
