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@xxxxxxx> 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. -- _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel