Re: [PATCH] drm/i915: Introduce FBC False Color for debug purposes.

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On Fri, Aug 01, 2014 at 02:04:45AM -0700, Rodrigo Vivi wrote:
> With this bit enabled, HW changes the color when compressing frames for
> debug purposes.
> 
> ALthough the simple way to enable a single bit is over intel_reg_write,
> this value is overwriten on next update_fbc so depending on the workload
> it is not possible to set this bit with intel-gpu-tools. So this patch
> introduces a persistent way to enable false color over debugfs.
> 
> v2: Use DEFINE_SIMPLE_ATTRIBUTE as Daniel suggested
> v3: (Ville) only do false color for IVB+ since according to spec bit is
>     MBZ before IVB.
> v4: We don't have FBC on valleyview nor on cherryview (Ben)
> v5: s/!HAS_PCH_SPLIT/!HAS_FBC (Ville)
> 
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Reviewed-by: Ben Widawsky <ben@xxxxxxxxxxxx>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

Queued for -next, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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