On Wed, Oct 09, 2024 at 12:03:21AM +0200, Erhard Furtner wrote: > Greetings! > > On kernel v6.12-rc I get no X and dmesg (via netconsole) shows this at loading radeon drm: > > [...] > [drm] PCIE GART of 512M enabled (table at 0x0000000000040000). > radeon 0000:01:00.0: WB enabled > radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000008000000 > radeon 0000:01:00.0: radeon: MSI limited to 32-bit > [drm] radeon: irq initialized. > [drm] Loading R500 Microcode > [drm] radeon: ring at 0x0000000008001000 > [drm] ring test succeeded in 0 usecs > [drm] ib test succeeded in 0 usecs > stackdepot: allocating hash table of 65536 entries via kvcalloc > acpi device:06: registered as cooling_device2 > [drm] Radeon Display Connectors > [drm] Connector 0: > [drm] VGA-1 > [drm] DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c > [drm] Encoders: > [drm] CRT1: INTERNAL_KLDSCP_DAC1 > [drm] Connector 1: > [drm] LVDS-1 > [drm] DDC: 0x7e60 0x7e60 0x7e64 0x7e64 0x7e68 0x7e68 0x7e6c 0x7e6c > [drm] Encoders: > [drm] LCD1: INTERNAL_LVTM1 > [drm] Connector 2: > [drm] DVI-I-1 > [drm] HPD1 > [drm] DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c > [drm] Encoders: > [drm] DFP1: INTERNAL_KLDSCP_TMDS1 > ------------[ cut here ]------------ > > Bogus possible_clones: [ENCODER:46:TV-46] possible_clones=0x4 (full encoder mask=0x7) <snip> > Bogus possible_clones: [ENCODER:48:TMDS-48] possible_clones=0x1 (full encoder mask=0x7) <snip> Presumably something like this should fix it: diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 0f723292409e..fafed331e0a0 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -43,7 +43,7 @@ static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct drm_encoder *clone_encoder; - uint32_t index_mask = 0; + uint32_t index_mask = drm_encoder_mask(encoder); int count; /* DIG routing gets problematic */ > > > I applied "[PATCH v2] drm/radeon: add late_register for connector" hoping this would help but it didn't make a difference. > > Some details about the Mobility Radeon X1300: > # lspci -s 01:00.0 -v > 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV515/M52 [Mobility Radeon X1300] (prog-if 00 [VGA controller]) > Subsystem: Lenovo Device 2005 > Flags: bus master, fast devsel, latency 0, IRQ 16 > Memory at d8000000 (32-bit, prefetchable) [size=128M] > I/O ports at 2000 [size=256] > Memory at ee100000 (32-bit, non-prefetchable) [size=64K] > Expansion ROM at 000c0000 [virtual] [disabled] [size=128K] > Capabilities: [50] Power Management version 2 > Capabilities: [58] Express Legacy Endpoint, IntMsgNum 0 > Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit+ > Kernel driver in use: radeon > Kernel modules: radeon > > Regards, > Erhard -- Ville Syrjälä Intel