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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 17:35:19 +0000 (09:35 -0800)
commitb620fec43eeeadb25d96e537fc06dddf59ebfd78
tree10a15ba1968f603333c040ec0fb96ef90e518612tree | snapshot
parent5c7a6982e976b381595c9d4ee8e8c94564a40aeccommit | 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