Laurent Pinchart a5241289c4 drm: adv7511: Fix nested sleep when reading EDID ... The EDID read code waits for the read completion interrupt to occur using wait_event_interruptible(). The condition passed to the macro reads I2C registers. This results in sleeping with the task state set to TASK_INTERRUPTIBLE, triggering a WARN_ON() introduced in commit 8eb23b9f35 ("sched: Debug nested sleeps"). Fix this by reworking the EDID read code. Instead of checking whether the read is complete through I2C reads, handle the interrupt registers in the interrupt handler and update a new edid_read flag accordingly. As a side effect both the IRQ and polling code paths now process the interrupt sources through the same code path, simplifying the code. Cc: stable@vger.kernel.org Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>		2015-03-19 12:28:55 +02:00
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adv7511.c	drm: adv7511: Fix nested sleep when reading EDID	2015-03-19 12:28:55 +02:00
adv7511.h	drm: Add adv7511 encoder driver	2014-11-26 20:09:40 +02:00
ch7006_drv.c	drm: encapsulate crtc->set_config calls	2013-01-20 15:57:58 +01:00
ch7006_mode.c	drm: Make the .mode_fixup() operations mode argument a const pointer	2012-07-19 21:52:38 -04:00
ch7006_priv.h	UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/	2012-10-02 18:01:07 +01:00
Kconfig	drm: Add adv7511 encoder driver	2014-11-26 20:09:40 +02:00
Makefile	drm: Add adv7511 encoder driver	2014-11-26 20:09:40 +02:00
sil164_drv.c	UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/	2012-10-02 18:01:07 +01:00
tda998x_drv.c	Merge branch 'drm-tda998x-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next	2015-03-05 09:37:19 +10:00