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SubjectRe: [Intel-gfx] [PATCH 2/3] drm/i915: hide errors when probing for a reverse display port
On Tue, Jul 28, 2015 at 12:03:28PM -0400, Benjamin Tissoires wrote:
> We check the polarity of the attached dp, so it is normal to fail.
> Do not send errors to the users.

if (probe) DRM_DEBUG else DRM_ERROR is fairly offensive.

It strikes me that you could make each of these functions report the
failure to the caller (have the caller even do so error handling!) and
as part of that have the caller report an error and so demote all of
these to DRM_DEBUG_KMS().

Who knows, actually doing some error handling may make monitor training
more reliable! Or we may even get carried away and report the failure
all the way back to userspace.
-Chris

--
Chris Wilson, Intel Open Source Technology Centre


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