15-rc1: radeon modesetting fails

[Borislav Petkov]

On Wed, Apr 16, 2014 at 12:07:20PM +0200, Christian König wrote:
> Hi Borislav,
> 
> thanks for the logs, those were indeed quite helpful.
> 
> Attached are two patches, the first one tries to solve the problem by
> increasing the accuracy of the parameters if we don't match exactly and the
> second improves the logging of the calculation process by dumping a bunch of
> intermediate values used.
> 
> Please apply both on top of my drm-fixes-3.15-wip branch you are already
> using, if the first one doesn't solve the problem then please provide new
> dmesg logs with drm.debug=0xE.

Yes, it works fine!

Tested-by: Borislav Petkov <bp at suse.de>

Thanks for fixing it.

[    3.634510] [drm] Initialized drm 1.1.0 20060810
[    6.146795] [drm] radeon kernel modesetting enabled.
[    6.157513] [drm] initializing kernel modesetting (RV635 0x1002:0x9598 0x1043:0x01DA).
[    6.165881] [drm] register mmio base: 0xFEA20000
[    6.170632] [drm] register mmio size: 65536
[    6.195783] [drm] Detected VRAM RAM=512M, BAR=256M
[    6.200632] [drm] RAM width 128bits DDR
[    6.245839] [drm] radeon: 512M of VRAM memory ready
[    6.250935] [drm] radeon: 512M of GTT memory ready.
[    6.255995] [drm] Loading RV635 Microcode
[    6.285403] [drm] Internal thermal controller without fan control
[    7.256600] [drm] radeon: power management initialized
[    7.261872] [drm] GART: num cpu pages 131072, num gpu pages 131072
[    7.268795] [drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0
[    7.312314] [drm] PCIE GART of 512M enabled (table at 0x0000000000040000).
[    7.334860] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    7.341562] [drm] Driver supports precise vblank timestamp query.
[    7.358166] [drm] radeon: irq initialized.
[    7.394139] [drm] ring test on 0 succeeded in 0 usecs
[    7.400078] [drm] ib test on ring 0 succeeded in 0 usecs
[    7.406302] [drm] Radeon Display Connectors
[    7.410553] [drm] Connector 0:
[    7.413654] [drm]   DVI-I-1
[    7.416528] [drm]   HPD1
[    7.419120] [drm]   DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c
[    7.426580] [drm]   Encoders:
[    7.429621] [drm]     DFP1: INTERNAL_UNIPHY
[    7.433862] [drm]     CRT2: INTERNAL_KLDSCP_DAC2
[    7.438526] [drm] Connector 1:
[    7.441622] [drm]   DIN-1
[    7.444333] [drm]   Encoders:
[    7.447346] [drm]     TV1: INTERNAL_KLDSCP_DAC2
[    7.451919] [drm] Connector 2:
[    7.455031] [drm]   DVI-I-2
[    7.457890] [drm]   HPD2
[    7.460469] [drm]   DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
[    7.467926] [drm]   Encoders:
[    7.470940] [drm]     CRT1: INTERNAL_KLDSCP_DAC1
[    7.475602] [drm]     DFP2: INTERNAL_KLDSCP_LVTMA
[    7.557323] [drm] fb mappable at 0xC0141000
[    7.561555] [drm] vram apper at 0xC0000000
[    7.565716] [drm] size 9216000
[    7.568825] [drm] fb depth is 24
[    7.572103] [drm]    pitch is 7680
[    7.576458] fbcon: radeondrmfb (fb0) is primary device
[    7.842341] radeon 0000:01:00.0: fb0: radeondrmfb frame buffer device
[    7.854344] [drm] Initialized radeon 2.38.0 20080528 for 0000:01:00.0 on minor 0

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--