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authorBryan Freed <bfreed@chromium.org>2010-10-14 09:14:51 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2010-10-19 09:17:24 +0100
commit6d139a87b747aaebc969ac5f4eb8db766fcd9cbd (patch)
tree62e4a8aa1b01f0b3ba6e11b989be4d64c0057fae /include/drm
parente60a0b107b3df072e23cb6d68510aa2615b059ce (diff)
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drm/i915: Initialize panel timing registers if VBIOS did not
The time between start of the pixel clock and backlight enable is a basic panel timing constraint. If the Panel Power On/Off registers are found to be 0, assume we are booting without VBIOS initialization and set these registers to something reasonable. Change-Id: Ibed6cc10d46bf52fd92e0beb25ae3525b5eef99d Signed-off-by: Bryan Freed <bfreed@chromium.org> [ickle: rearranged into a separate function to distinguish its role from simply parsing the VBIOS tables.] Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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