[Intel-gfx] [PATCH] drm/i915: export a CPT mode set verification function

Adam Jackson ajax at redhat.com
Mon Oct 17 19:41:04 CEST 2011


On Tue, 2011-10-11 at 10:45 -0700, Jesse Barnes wrote:
> At the point where we check, we can't do much about the failure, but it
> can aid debugging.  Note that the auto-train override bit will be reset
> as part of normal mode setting with this patch if a pipe ever does get
> stuck, but that's consistent with the workaround for CPT provided by the
> hardware team.  This patch helped catch the fact that the pipe wasn't
> running in the !composite sync FDI case on my IVB SDV, so has already
> shown to be useful.

Reviewed-by: Adam Jackson <ajax at redhat.com>

- ajax
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