On (02/17/11 12:04), Alex Deucher wrote: > > Commit 5b40ddf888398ce4cccbf3b9d0a18d90149ed7ff has broken video output on my Radeon HD 5470 -- > > see screenshot attached. > > Should be fixed in this commit: > http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=commitdiff;h=9f4283f49f0a96a64c5a45fe56f0f8c942885eef > Works for me, thanks. Sergey > > > > > > bisect log: > > git bisect start '--' 'drivers/gpu/drm/radeon/' > > # bad: [e53b2057d8fccc3394cc38463171df948ce43aaa] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 > > git bisect bad e53b2057d8fccc3394cc38463171df948ce43aaa > > # good: [87364760de5d631390c478fcbac8db1b926e0adf] drm/radeon/kms: fix s/r issues with bios scratch regs > > git bisect good 87364760de5d631390c478fcbac8db1b926e0adf > > # good: [4eace7fdfa1f8ac2f0a833e12bd07eeb453ec9ef] drm/radeon/kms: 6xx/7xx big endian fixes > > git bisect good 4eace7fdfa1f8ac2f0a833e12bd07eeb453ec9ef > > # good: [501834349e872ed4115eea3beef65ca9eeb5528e] drm/radeon/kms: fix tracking of BLENDCNTL, COLOR_CHANNEL_MASK, and GB_Z on r300 > > git bisect good 501834349e872ed4115eea3beef65ca9eeb5528e > > # good: [c2049b3d29f47ed3750226dc51251a3404c85876] drm/radeon/kms: improve 6xx/7xx CS error output > > git bisect good c2049b3d29f47ed3750226dc51251a3404c85876 > > # good: [265aa6c8d8822c9074a2174e8c9f31a37fa02e50] drm/radeon/kms: fix a few more atombios endian issues > > git bisect good 265aa6c8d8822c9074a2174e8c9f31a37fa02e50 > > # good: [a4b40d5d97f5c9ad0b7f4bf2818291ca184bb433] drm/radeon/kms: add bounds checking to avivo pll algo > > git bisect good a4b40d5d97f5c9ad0b7f4bf2818291ca184bb433 > > # bad: [5b40ddf888398ce4cccbf3b9d0a18d90149ed7ff] drm/radeon/kms: hopefully fix pll issues for real (v3) > > git bisect bad 5b40ddf888398ce4cccbf3b9d0a18d90149ed7ff > > > > > > 5b40ddf888398ce4cccbf3b9d0a18d90149ed7ff is the first bad commit > > commit 5b40ddf888398ce4cccbf3b9d0a18d90149ed7ff > > Author: Alex Deucher <alexdeucher@xxxxxxxxx> > > Date: Mon Feb 14 11:43:11 2011 -0500 > > > > drm/radeon/kms: hopefully fix pll issues for real (v3) > > > > The problematic boards have a recommended reference divider > > to be used when spread spectrum is enabled on the laptop panel. > > Enable the use of the recommended reference divider along with > > the new pll algo. > > > > v2: testing options > > > > v3: When using the fixed reference divider with LVDS, prefer > > min m to max p and use fractional feedback dividers. > > > > Fixes: > > https://bugzilla.kernel.org/show_bug.cgi?id=28852 > > https://bugzilla.kernel.org/show_bug.cgi?id=24462 > > https://bugzilla.kernel.org/show_bug.cgi?id=26552 > > MacbookPro issues reported by Justin Mattock <justinmattock@xxxxxxxxx> > > > > Signed-off-by: Alex Deucher <alexdeucher@xxxxxxxxx> > > Cc: stable@xxxxxxxxxx > > Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx> > > > > :040000 040000 8736f993b97cc8370fd29048761a1e0da4969306 657bdb221e3f4da6efdfec02f8f348db5a537b29 M drivers > > > > > > kernel: [ 2.292708] [drm] Initialized drm 1.1.0 20060810 > > kernel: [ 2.292954] [drm] radeon defaulting to kernel modesetting. > > kernel: [ 2.293028] [drm] radeon kernel modesetting enabled. > > kernel: [ 2.293156] radeon 0000:01:00.0: power state changed by ACPI to D0 > > kernel: [ 2.293238] radeon 0000:01:00.0: power state changed by ACPI to D0 > > kernel: [ 2.293322] radeon 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 > > kernel: [ 2.293404] radeon 0000:01:00.0: setting latency timer to 64 > > kernel: [ 2.296184] [drm] initializing kernel modesetting (CEDAR 0x1002:0x68E0). > > kernel: [ 2.296406] [drm] register mmio base: 0xB4000000 > > kernel: [ 2.296477] [drm] register mmio size: 131072 > > kernel: [ 2.296835] ATOM BIOS: Acer > > kernel: [ 2.297009] radeon 0000:01:00.0: VRAM: 512M 0x0000000000000000 - 0x000000001FFFFFFF (512M used) > > kernel: [ 2.297103] radeon 0000:01:00.0: GTT: 512M 0x0000000020000000 - 0x000000003FFFFFFF > > kernel: [ 2.298370] [drm] Detected VRAM RAM=512M, BAR=256M > > kernel: [ 2.298450] [drm] RAM width 64bits DDR > > kernel: [ 2.298800] [TTM] Zone kernel: Available graphics memory: 1946448 kiB. > > kernel: [ 2.298876] [TTM] Initializing pool allocator. > > kernel: [ 2.299366] [drm] radeon: 512M of VRAM memory ready > > kernel: [ 2.299440] [drm] radeon: 512M of GTT memory ready. > > kernel: [ 2.299581] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). > > kernel: [ 2.299659] [drm] Driver supports precise vblank timestamp query. > > kernel: [ 2.299831] radeon 0000:01:00.0: irq 41 for MSI/MSI-X > > kernel: [ 2.299840] radeon 0000:01:00.0: radeon: using MSI. > > kernel: [ 2.299995] [drm] radeon: irq initialized. > > kernel: [ 2.300066] [drm] GART: num cpu pages 131072, num gpu pages 131072 > > kernel: [ 2.300953] [drm] Loading CEDAR Microcode > > kernel: [ 2.303973] radeon 0000:01:00.0: WB enabled > > kernel: [ 2.320988] [drm] ring test succeeded in 0 usecs > > kernel: [ 2.321411] [drm] radeon: ib pool ready. > > kernel: [ 2.324453] [drm] ib test succeeded in 0 usecs > > kernel: [ 2.327055] [drm] Radeon Display Connectors > > kernel: [ 2.327126] [drm] Connector 0: > > kernel: [ 2.327193] [drm] LVDS > > kernel: [ 2.327259] [drm] DDC: 0x6560 0x6560 0x6564 0x6564 0x6568 0x6568 0x656c 0x656c > > kernel: [ 2.327348] [drm] Encoders: > > kernel: [ 2.327414] [drm] LCD1: INTERNAL_UNIPHY > > kernel: [ 2.327483] [drm] Connector 1: > > kernel: [ 2.327551] [drm] HDMI-A > > kernel: [ 2.327617] [drm] HPD1 > > kernel: [ 2.327683] [drm] DDC: 0x6430 0x6430 0x6434 0x6434 0x6438 0x6438 0x643c 0x643c > > kernel: [ 2.327772] [drm] Encoders: > > kernel: [ 2.327839] [drm] DFP1: INTERNAL_UNIPHY1 > > kernel: [ 2.327909] [drm] Connector 2: > > kernel: [ 2.328004] [drm] VGA > > kernel: [ 2.328071] [drm] DDC: 0x6460 0x6460 0x6464 0x6464 0x6468 0x6468 0x646c 0x646c > > kernel: [ 2.328159] [drm] Encoders: > > kernel: [ 2.328226] [drm] CRT1: INTERNAL_KLDSCP_DAC1 > > kernel: [ 2.334272] [drm] Internal thermal controller with fan control > > kernel: [ 2.334709] [drm] radeon: power management initialized > > kernel: [ 2.734897] [drm] fb mappable at 0xA0141000 > > kernel: [ 2.734968] [drm] vram apper at 0xA0000000 > > kernel: [ 2.735037] [drm] size 4325376 > > kernel: [ 2.735104] [drm] fb depth is 24 > > kernel: [ 2.735170] [drm] pitch is 5632 > > kernel: [ 2.820545] Refined TSC clocksource calibration: 2261.390 MHz. > > kernel: [ 2.820560] Switching to clocksource tsc > > kernel: [ 3.727928] Console: switching to colour frame buffer device 170x48 > > kernel: [ 3.730609] fb0: radeondrmfb frame buffer device > > kernel: [ 3.730611] drm: registered panic notifier > > kernel: [ 3.730684] [drm] Initialized radeon 2.8.0 20080528 for 0000:01:00.0 on minor 0 > > kernel: [ 3.736754] brd: module loaded > > > > > > > > Sergey >
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