On Tue, Jun 18, 2019 at 11:46 AM Pintu Agarwal <pintu.ping@xxxxxxxxx> wrote: > Thank you so much for your reply. > Yes, I already checked the latest mainline kernel changes until 5.2-**. > I see that there are many cleanup related changes, but still I see > that suspend/resume functions are missing in dw_hdmi-imx driver. Please see this recently submitted patch: https://lore.kernel.org/patchwork/patch/1084057/ > So, I am trying to implement myself. > Also, I see that suspend/resume is missing even in : > drivers/gpu/drm/imx/ipuv3-crtc.c > I am trying this also (not sure if we need this as well). > > Can you point out some specific patches which can be helpful ? > > Currently, what I observed is that hdmi bind() functions are not getting called. > Not sure who is responsible for triggering this bind function. > Or, irq remains disabled after resume, and we need to enable it back > again (but how ?) > Or, we may need to enable vblank events and thus irqs can be enabled. > > So, I am exploring many possibilities. > If you have any suggestions please let me know. The suggestion I have is to try to use latest mainline kernel. If you see any issues with it, please report. The combination you mentioned in a prior thread (kernel 3.10 + backported drm patches 4.9) is not really something the community can help you. _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
