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authorChris Wilson <[email protected]>2017-09-07 14:44:41 +0100
committerChris Wilson <[email protected]>2017-09-07 17:58:17 +0100
commitd7a133d886b45651e36e7065998b1413d379ac1f (patch)
treea977bfb8df119e372bb0b0a9d8226e28495f9c81 /tools/perf/scripts/python
parentd2d4f39b1e6407323e568c174e17b022b8f98a40 (diff)
drm/i915: Disable mmio debugging during user access
If the user bypasses i915 and accesses mmio directly, that easily confuses our automatic mmio debugging (any error we then detect is likely to be as a result of the user). Since we expect userspace to open debugfs/i915_forcewake_user if i915.ko is loaded and they want mmio access, that makes the opportune time to disable our debugging for duration of the bypass. v2: Move the fiddling of uncore internals to uncore.c References: https://bugs.freedesktop.org/show_bug.cgi?id=102543 Signed-off-by: Chris Wilson <[email protected]> Cc: Mika Kuoppala <[email protected]> Reviewed-by: Mika Kuoppala <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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