Thursday, February 17, 2011

2.6.38-rc5 -- radeon hd 5470

As per phoronix Linux 2.6.38-rc5 Brings Radeon, Intel, EXT4 Fixes

And I finally managed to boot it:
git bisect start '--' 'drivers/gpu/drm/radeon/'
# bad: [e53b2057d8fccc3394cc38463171df948ce43aaa] Merge branch 'master' of git://
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
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.
    MacbookPro issues reported by Justin Mattock

Have to revert `radeon fixes'.

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