[Intel-gfx] [PATCH v4 1/2] drm/i915: Track minimum acceptable cdclk instead of "minimum dotclock"

[Ville Syrjälä]

On Wed, Aug 30, 2017 at 09:57:03PM +0300, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Make the min_pixclk thing less confusing by changing it to track
> the minimum acceptable cdclk frequency instead. This means moving
> the application of the guardbands to a slightly higher level from
> the low level platform specific calc_cdclk() functions.
> 
> The immediate benefit is elimination of the confusing 2x factors
> on GLK/CNL+ in the audio workarounds (which stems from the fact
> that the pipes produce two pixels per clock).
> 
> v2: Keep cdclk higher on CNL to workaround missing DDI clock voltage handling
> v3: Squash with the CNL cdclk limits patch (DK)
> v4: s/intel_min_cdclk/intel_pixel_rate_to_cdclk/ (DK)
> 
> Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

I didn't get any objections from the CNL camp, so I went ahead and
pushed the series. Thanks for the reviews.

-- 
Ville Syrjälä
Intel OTC