AuxXxilium/linux_dsm_epyc7002
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2b38705981
linux_dsm_epyc7002/drivers/gpu
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Chris Wilson 2b38705981 drm/i915: Only warn the first time we attempt to mmio whilst suspended 
In all likelihood we will do a few hundred errnoneous register
operations if we do a single invalid register access whilst the device
is suspended. As each instance causes a WARN, this floods the system
logs and can make the system unresponsive.

The warning was first introduced in
commit b2ec142cb0
Author: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date:   Fri Feb 21 13:52:25 2014 -0300

    drm/i915: call assert_device_not_suspended at gen6_force_wake_work

and despite the claims the WARN is still encountered in the wild today.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-12-03 09:29:35 +01:00
..
drm drm/i915: Only warn the first time we attempt to mmio whilst suspended 2014-12-03 09:29:35 +01:00
host1x gpu: host1x: mipi: Set MIPI_CAL_BIAS_PAD_CFG1 register 2014-11-13 16:11:57 +01:00
ipu-v3 IPUv3 fixes for v3.18 2014-10-07 14:31:14 +10:00
vga Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-10-13 16:23:15 +02:00
Makefile