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[Bug 797491] [NEW] overo lcd43 touchscreen does not work


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confirmed on two kernels:
  linaro 2.6.38 shipped in the 11.05 release 
  current 2.6.38 tip: 5983da7 Merge branch 'beagle-fixes' of git://kernel.ubuntu.com/rsalveti/linux-li

There are two DRM issues:

1) A device like Overo's lcd43 display (Samsung LTE430WQ-F0C panel) does
not support EDID probing via i2c. The DRM related code tried to account
for this but did so incorrectly.

2) The drm_mode_vrefresh function in drivers/gpu/drm/drm_modes.c is
returning a value of 59 rather than 60 which causes the code to think
the one supported more for this panel is incorrectly configured.

** Affects: linaro-landing-team-ti
     Importance: Undecided
         Status: New

** Affects: linux-linaro-omap (Ubuntu)
     Importance: Undecided
         Status: Confirmed

** Tags: patch
overo lcd43 touchscreen does not work
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