From: <bug...@bu...> - 2011-02-17 00:52:35
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https://bugzilla.kernel.org/show_bug.cgi?id=29272 Summary: [BISECTED] Screen becomes corrupted when switching video mode with Radeon KMS Product: Drivers Version: 2.5 Kernel Version: 2.6.38-rc5 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: Video(DRI - non Intel) AssignedTo: dri...@ke... ReportedBy: jlp...@gm... CC: ale...@gm... Regression: Yes After updating the kernel to 2.6.38-rc5 screen gets corrupted when video mode switches for KMS. This is on laptop eMachines E640G with integrated ATI Mobility Radeon HD 5470. It was working just fine with -rc4. I have bisected the commits and this one was pointed out as the culprit: 5b40ddf888398ce4cccbf3b9d0a18d90149ed7ff is the first bad commit commit 5b40ddf888398ce4cccbf3b9d0a18d90149ed7ff Author: Alex Deucher <ale...@gm...> 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 <jus...@gm...> Signed-off-by: Alex Deucher <ale...@gm...> Cc: st...@ke... Signed-off-by: Dave Airlie <ai...@re...> :040000 040000 8736f993b97cc8370fd29048761a1e0da4969306 657bdb221e3f4da6efdfec02f8f348db5a537b29 M drivers -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |