On Tue, Jan 27, 2026 at 07:59:34AM -0300, Val Packett wrote: > > On 1/27/26 7:34 AM, Dmitry Baryshkov wrote: > > On Tue, Jan 27, 2026 at 06:43:32AM -0300, Val Packett wrote: > > > this has massively broken things on my x1e device (latitude-7455): > > > [..] > > > Reverted only this commit and it's back to normal, so I'm pretty sure it's > > > this. > > Interesting. Could you please capture the dri-state (only the last part, > > resource mapping) with the external monitor attached and with this > > commit reverted? > > Just reverted: > > crtc[106]: crtc-0 [..] > mode: "2560x1600": 60 280710 2560 2608 2640 2720 1600 1603 1609 1720 > 0x48 0x9 > lm[0]=0 > ctl[0]=0 > dspp[0]=0 > lm[1]=1 > ctl[1]=0 > dspp[1]=1 > crtc[107]: crtc-1 [..] > mode: "3840x2560": 60 631750 3840 3888 3920 4000 2560 2563 2573 2633 > 0x48 0x9 > lm[0]=2 > ctl[0]=1 > lm[1]=3 > ctl[1]=1 > resource mapping: pingpong=106 106 107 107 # # - - # # - - - mixer=106 106 > 107 107 # # - - ctl=106 107 # # # # - - dspp=# # # # - - - - dsc=# # # # - - > - - cdm=# sspp=# # # # - - - - # # # # # # - - cwb=- - - - > > > Also, could you please run another check: > > - revert this commit > > - comment out LM_2, LM_3 in the catalog > > - try the resulting kernel with the external monitor > > Commented out:
Thanks! I assume external monitor is working fine? > > crtc[106]: crtc-0 [..] > mode: "2560x1600": 60 280710 2560 2608 2640 2720 1600 1603 1609 1720 > 0x48 0x9 > lm[0]=0 > ctl[0]=0 > dspp[0]=0 > lm[1]=1 > ctl[1]=0 > dspp[1]=1 > crtc[107]: crtc-1 [..] > mode: "3840x2560": 60 631750 3840 3888 3920 4000 2560 2563 2573 2633 > 0x48 0x9 > lm[0]=4 > ctl[0]=1 > lm[1]=5 > ctl[1]=1 > resource mapping: > pingpong=106 106 # # 107 107 - - # # - - - > mixer=106 106 - - 107 107 - - > ctl=106 107 # # # # - - > dspp=# # # # - - - - > dsc=# # # # - - - - > cdm=# > sspp=# # # # - - - - # # # # # # - - > cwb=- - - - > > Not sure why the dspp= line in resource mapping doesn't show any numbers > when a crtc has dspp[0]= and dspp[1]= o.0 Ah, it might be confusing. The crtc-N blocks shows that LM in theory has DSPP blocks. Resource mapping shows if the DSPP is actually allocated (aka used for the post processing). > > But with LM 4+5, gamma control doesn't affect the external monitor. Yes, that's expected. > > > ~val > -- With best wishes Dmitry
