On Thu, Aug 17, 2023 at 12:24:45PM +0200, Karol Herbst wrote: > simply throw a > > printk(KERN_WARNING "nvkm_uconn_uevent %u\n", outp->info.location); > > inside drivers/gpu/drm/nouveau/nvkm/engine/disp/uconn.c:104 after that > mentioned comment. diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uconn.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uconn.c index 46b057fe1412..661fd0cf3b3b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uconn.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uconn.c @@ -101,6 +101,7 @@ nvkm_uconn_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_ if (args->v0.types & NVIF_CONN_EVENT_V0_UNPLUG) bits |= NVKM_GPIO_LO; if (args->v0.types & NVIF_CONN_EVENT_V0_IRQ) { /* TODO: support DP IRQ on ANX9805 and remove this hack. */ + printk(KERN_WARNING "nvkm_uconn_uevent %u\n", outp->info.location); if (!outp->info.location) return -EINVAL; } result: [ 10.566759] ACPI: bus type drm_connector registered [ 10.591171] Console: switching to colour dummy device 80x25 [ 10.598472] nouveau 0000:03:00.0: vgaarb: deactivate vga console [ 10.607121] nouveau 0000:03:00.0: NVIDIA GT218 (0a8c00b1) [ 10.728361] nouveau 0000:03:00.0: bios: version 70.18.83.00.08 [ 10.742137] nouveau 0000:03:00.0: fb: 512 MiB DDR3 [ 11.059848] nouveau 0000:03:00.0: DRM: VRAM: 512 MiB [ 11.064911] nouveau 0000:03:00.0: DRM: GART: 1048576 MiB [ 11.070302] nouveau 0000:03:00.0: DRM: TMDS table version 2.0 [ 11.076126] nouveau 0000:03:00.0: DRM: DCB version 4.0 [ 11.081335] nouveau 0000:03:00.0: DRM: DCB outp 00: 02000360 00000000 [ 11.087865] nouveau 0000:03:00.0: DRM: DCB outp 01: 02000362 00020010 [ 11.094395] nouveau 0000:03:00.0: DRM: DCB outp 02: 028003a6 0f220010 [ 11.100912] nouveau 0000:03:00.0: DRM: DCB outp 03: 01011380 00000000 [ 11.107422] nouveau 0000:03:00.0: DRM: DCB outp 04: 08011382 00020010 [ 11.113940] nouveau 0000:03:00.0: DRM: DCB outp 05: 088113c6 0f220010 [ 11.120457] nouveau 0000:03:00.0: DRM: DCB conn 00: 00101064 [ 11.126182] nouveau 0000:03:00.0: DRM: DCB conn 01: 00202165 [ 11.138865] nouveau 0000:03:00.0: DRM: MM: using COPY for buffer copies [ 11.151291] nvkm_uconn_uevent 0 [ 11.154643] nvkm_uconn_uevent 0 [ 11.157975] nvkm_uconn_uevent 0 [ 11.161298] nvkm_uconn_uevent 0 [ 11.164616] nvkm_uconn_uevent 0 [ 11.167943] nvkm_uconn_uevent 0 [ 11.176010] [drm] Initialized nouveau 1.3.1 20120801 for 0000:03:00.0 on minor 0 [ 11.184186] nouveau 0000:03:00.0: [drm] Cannot find any crtc or sizes [ 11.260527] megasas: 07.725.01.00-rc1 [ 11.264555] st: Version 20160209, fixed bufsize 32768, s/g segs 256 -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette