[Intel-gfx] [PATCH 01/12] drm/i915: enable dip before writing data on gen4

[Eugeni Dodonov]

On Wed, May 2, 2012 at 10:55 PM, Paulo Zanoni <przanoni at gmail.com> wrote:

> From: Paulo Zanoni <paulo.r.zanoni at intel.com>
>
> While testing with the intel_infoframes tool on gen4, I see that when
> video DIP is disabled, what we write to the DATA memory is not exactly
> what we read back later. This should fix some problems that can be
> bisected to "drm/i915: fix ILK+ infoframe support". That commit was
> setting VIDEO_DIP_CTL to 0 when initializing, which caused the problem.
> Fixes fd.o bug 43947.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=43947
> Cc: stable at kernel.org
>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
>

Reviewed-by: Eugeni Dodonov <eugeni.dodonov at intel.com>

-- 
Eugeni Dodonov
<http://eugeni.dodonov.net/>
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