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drm/i915: Wrap DP EDID fetch functions to enable eDP panel power
authorKeith Packard <keithp@keithp.com>
Wed, 28 Sep 2011 23:38:44 +0000 (16:38 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 11 Nov 2011 17:42:23 +0000 (09:42 -0800)
commita5f1e25ba199a7aa851d57e34d914cfdc25692ff
tree8442dbd363700cb7571b7f00f333e2f8cff92680tree | snapshot
parentf12ea4a8ca7009fa2d54794c3fcb8e638453bcffcommit | diff
drm/i915: Wrap DP EDID fetch functions to enable eDP panel power

commit 8c241fef3e6f69f3f675678ae03599ece3f562e2 upstream.

Talking to the eDP DDC channel requires that the panel be powered
up. Wrap both the EDID and modes fetch code with calls to turn the vdd
power on and back off.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/gpu/drm/i915/intel_dp.c diff | blob | history
Linux kernel for KaRo TX COM modules