On Thu, Aug 29, 2019 at 9:11 AM Jean Delvare <jdelvare@xxxxxxx> wrote: > > Hi all, > > Since I connected my Dell display on my Radeon R5 240 (Oland) card over > DisplayPort instead of VGA, I get the following error messages logged at every boot: > > [drm:dce_v6_0_encoder_mode_set [amdgpu]] *ERROR* Couldn't read Speaker Allocation Data Block: -2 > [drm:dce_v6_0_encoder_mode_set [amdgpu]] *ERROR* Couldn't read SADs: -2 > > I also see them each time the display wakes up and also on VT change. > This is with kernel 5.2.9. > > This was also reported as bug #107825 by Paul Menzel: > https://bugs.freedesktop.org/show_bug.cgi?id=107825 > > Error -2 is ENOENT (No such file or directory). The driver queries the > display for audio-related information, while my display does not have > speakers nor headset connector. > > I suspect that the "error" is pretty much expected in this case and the > driver is being too verbose about it. Either the calling code should > consider -ENOENT as a non-error (11 calling sites to fix), or the > helper functions should simply return 0 when no audio-related data is > available from the display (2 functions to fix, calling sites may have > to be inspected too as some treat 0 as an error too, which seems > incorrect to me). > > Option 1 seems cleaner to me, but I don't know if there could be > legitimate reasons to distinguish between no audio information block > from display and empty audio information from display in the future. > > What do you think? Feel free to remove the message or make it debug only. Thanks! Alex > > Thanks, > -- > Jean Delvare > SUSE L3 Support > _______________________________________________ > amd-gfx mailing list > amd-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
