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authorKeith Packard <keithp@keithp.com>2012-02-08 13:53:38 -0800
committerKeith Packard <keithp@keithp.com>2012-02-08 13:54:18 -0800
commit617cf884810b44384fe8e9431e9babeb80a2ff37 (patch)
tree53efc5b8d73dc556cb027304f596313c06d30749 /drivers/acpi/acpica
parente57b6886f555ab57f40a01713304e2053efe51ec (diff)
drm/i915: fixup interlaced bits clearing in PIPECONF on PCH_SPLIT (v2)
An identical patch has been merged for i9xx_crtc_mode_set: Commit 59df7b1771c150163e522f33c638096ab0efbf42 Author: Christian Schmidt <schmidt@digadd.de> Date: Mon Dec 19 20:03:33 2011 +0100 drm/intel: Fix initialization if startup happens in interlaced mode [v2] But that one neglected to fix up the ironlake+ path. This should fix the issue reported by Alfonso Fiore where booting with only a HDMI cable connected to his TV failed to display anything. The issue is that the bios set up things for 1080i and used the pannel fitter to scale up the lower progressive resolutions. We failed to clear the interlace bit in the PIPEACONF register, resulting in havoc. v2: Be more paranoid and just unconditionally clear the field before setting new values. Cc: Peter Ross <pross@xvid.org> Cc: Alfonso Fiore <alfonso.fiore@gmail.com> Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'drivers/acpi/acpica')
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